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authorChris Hiszpanski <chris@liburtc.org>2021-04-23 11:17:03 -0400
committerChris Hiszpanski <chris@liburtc.org>2021-04-23 11:17:03 -0400
commit79f4f70de1a6014d53b245b8069c833ce943f943 (patch)
treeeb998bbcb5348ff61428b8e9f00ce55c33419fd6
parentbf35c493b425886f12e3daf530239b5e6b1bca7d (diff)
Update inline license blocks and expand tabs
-rw-r--r--examples/callee.c62
-rw-r--r--examples/demo.html15
-rw-r--r--examples/sandbox.c33
-rw-r--r--include/config.h34
-rw-r--r--include/ice.h34
-rw-r--r--include/peerconn.h34
-rw-r--r--include/runloop.h34
-rw-r--r--include/str.h34
-rw-r--r--include/stun.h134
-rw-r--r--include/urtc.h34
-rw-r--r--src/err.h88
-rw-r--r--src/g711.c58
-rw-r--r--src/g711.h36
-rw-r--r--src/g711_tables.c1470
-rw-r--r--src/log.h99
-rw-r--r--src/mdns.c949
-rw-r--r--src/mdns.h45
-rw-r--r--src/prng.c53
-rw-r--r--src/prng.h45
-rw-r--r--src/sdp.c1013
-rw-r--r--src/sdp.h177
-rw-r--r--src/urtc.c530
-rw-r--r--src/urtc.h48
-rw-r--r--src/uuid.c87
-rw-r--r--src/uuid.h57
25 files changed, 2629 insertions, 2574 deletions
diff --git a/examples/callee.c b/examples/callee.c
new file mode 100644
index 0000000..4fb7ddf
--- /dev/null
+++ b/examples/callee.c
@@ -0,0 +1,62 @@
+/**
+ * Simple callee example (web browser is caller). Sends video to caller upon
+ * incoming calls.
+ *
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ */
+
+#include <signal.h>
+#include <unistd.h>
+
+#include "urtc.h"
+
+
+int main() {
+ sigset_t ss;
+ int signal;
+
+ const char *stun[] = {
+ "stun.liburtc.org",
+ NULL
+ };
+
+ sigemptyset(&ss);
+ sigaddset(&ss, SIGINT);
+ sigaddset(&ss, SIGTERM);
+ sigaddset(&ss, SIGQUIT);
+
+ // create a new peer connection (no actual network communication yet)
+ urtc_peerconn_t *pc = urtc_peerconn_create(NULL);
+
+ // connect to signaling service
+
+ sigwait(&ss, &signal);
+
+ urtc_peerconn_destroy(pc);
+
+ return 0;
+}
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/examples/demo.html b/examples/demo.html
new file mode 100644
index 0000000..03e07b9
--- /dev/null
+++ b/examples/demo.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>liburtc demo</title>
+ <script src="//webrtchacks.github.io/adapter/adapter-latest.js"></script>
+ <script>
+ // call liburtc peer
+ </script>
+ </head>
+ <body>
+ <h1>liburtc demo</h1>
+
+ <video autoplay controls muted playsinline id="remoteVideo"></video>
+ </body>
+</html>
diff --git a/examples/sandbox.c b/examples/sandbox.c
deleted file mode 100644
index 2f3728d..0000000
--- a/examples/sandbox.c
+++ /dev/null
@@ -1,33 +0,0 @@
-#include <signal.h>
-#include <unistd.h>
-
-#include "mdns.h"
-#include "urtc.h"
-
-
-int main() {
- sigset_t ss;
- int signal;
-
- const char *stun[] = {
- "stun.l.google.com:19302",
- "stun2.l.google.com:19302",
- NULL
- };
-
- sigemptyset(&ss);
- sigaddset(&ss, SIGINT);
- sigaddset(&ss, SIGTERM);
- sigaddset(&ss, SIGQUIT);
-
- urtc_peerconn_t *pc = urtc_peerconn_create(stun);
-
- // query for raspberry.local
- mdns_query("raspberry");
-
- sigwait(&ss, &signal);
-
- urtc_peerconn_destroy(pc);
-
- return 0;
-}
diff --git a/include/config.h b/include/config.h
index a003218..ef59ab1 100644
--- a/include/config.h
+++ b/include/config.h
@@ -1,19 +1,27 @@
-/*
- * liburtc
- * Copyright (C) 2019 Chris Hiszpanski
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef URTC_CONFIG_H
diff --git a/include/ice.h b/include/ice.h
index 8b7251f..0f929f7 100644
--- a/include/ice.h
+++ b/include/ice.h
@@ -1,19 +1,27 @@
-/*
- * liburtc
- * Copyright (C) 2019 Chris Hiszpanski
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef URTC_ICE_H
diff --git a/include/peerconn.h b/include/peerconn.h
index feecc0e..63e83ce 100644
--- a/include/peerconn.h
+++ b/include/peerconn.h
@@ -1,19 +1,27 @@
-/*
- * liburtc
- * Copyright (C) 2019 Chris Hiszpanski
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef URTC_PEERCONN_H
diff --git a/include/runloop.h b/include/runloop.h
index ea840e7..8162016 100644
--- a/include/runloop.h
+++ b/include/runloop.h
@@ -1,19 +1,27 @@
-/*
- * liburtc
- * Copyright (C) 2019 Chris Hiszpanski
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
/**
diff --git a/include/str.h b/include/str.h
index f0164d3..d8dc6fb 100644
--- a/include/str.h
+++ b/include/str.h
@@ -1,19 +1,27 @@
-/*
- * liburtc
- * Copyright (C) 2019 Chris Hiszpanski
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef URTC_STR_H
diff --git a/include/stun.h b/include/stun.h
deleted file mode 100644
index 126e7f5..0000000
--- a/include/stun.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * liburtc
- * Copyright (C) 2019 Chris Hiszpanski
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#ifndef URTC_STUN_H
-#define URTC_STUN_H
-
-#include <stdint.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define SIZEOF_STUN_HDR 20
-
-// STUN Classes
-#define STUN_CLASS_REQUEST 0
-#define STUN_CLASS_INDICTATION 1
-#define STUN_CLASS_SUCCESS 2
-#define STUN_CLASS_ERROR 3
-
-// STUN Methods
-#define STUN_METHOD_RESERVED 0
-#define STUN_METHOD_BINDING 1
-
-
-///////////////////////////// TYPE DEFINITIONS /////////////////////////////
-
-typedef struct {
- int rc; // Retransmission count
- int rto; // Retransmission timeout (in ms)
- int sockfd; // Socket file descriptor
-} stun_client_t;
-
-typedef struct {
- char *server;
-} stun_client_config_t;
-
-// STUN Message Header
-typedef struct __attribute__((__packed__)) {
- uint16_t reserved:2; // Upper two bits are 0
- uint16_t type:14; // 14-bit type
- uint16_t msglen; // Message length
- uint32_t cookie; // Magic cookie
- uint8_t txid[12]; // Transaction ID
-} stun_msg_hdr_t;
-
-// STUN Attribute
-typedef struct {
- uint16_t type; // Attribute type
- uint16_t len; // Value length, prior to padding
- uint8_t *val; // Pointer to attribute value
-} stun_attr_t;
-
-// STUN Attribute: MAPPED-ADDRESS
-typedef struct __attribute__((__packed__)) {
- uint8_t reserved;
- uint8_t family;
- uint16_t port;
- union {
- uint8_t ipv4[4]; // IPv4 address is 32-bits
- uint8_t ipv6[16]; // IPv6 address is 128-bits
- };
-} stun_attr_mapped_address_t;
-
-// STUN Attribute: XOR-MAPPED-ADDRESS
-typedef stun_attr_mapped_address_t stun_attr_xor_mapped_address_t;
-
-// STUN Attribute: USERNAME
-
-
-////////////////////////////////// MACROS //////////////////////////////////
-
-// Get class from message header type
-#define CLASS(typ) (((typ >> 7) & 0x2) | ((typ >> 4) & 0x1))
-
-// Get method from message header type
-#define METHOD(typ) (((typ >> 2) & 0xF80) | ((typ >> 1) & 0x70) | (typ & 0xF))
-
-#define TYPE(cls, mthd) ( \
- ((mthd & 0xF80) << 2) | \
- ((cls & 0x2) << 7) | \
- ((mthd & 0x70) << 1) | \
- ((cls & 0x1) << 4) | \
- (mthd & 0xF) \
-)
-
-
-/////////////////////////// FORWARD DECLARATIONS ///////////////////////////
-
-/**
- * (callback) Binding request response handler
- *
- * @param[in] name
- * @param[in] arg User argument
- */
-typedef void (*stun_client_binding_response_callback)(
- const char *name,
- void *arg
-);
-
-/**
- * Sends a STUN binding request to the specified server
- *
- * @param[in] srv Server (hostname or IP address)
- * @param[in] cb Handler to call when a response is received
- * @param[in] arg Optional user argument to pass to callback
- */
-err_t stun_client_binding_request(
- runloop_t *rl,
- const char *srv,
- stun_client_binding_response_callback cb,
- void *arg
-);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* URTC_STUN_H */
diff --git a/include/urtc.h b/include/urtc.h
index 3eabba0..abf2939 100644
--- a/include/urtc.h
+++ b/include/urtc.h
@@ -1,19 +1,27 @@
-/*
- * liburtc
- * Copyright (C) 2019 Chris Hiszpanski
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef URTC_H
diff --git a/src/err.h b/src/err.h
index cd7fd19..5f604fd 100644
--- a/src/err.h
+++ b/src/err.h
@@ -1,26 +1,30 @@
-/*
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
+
#ifndef _URTC_ERR_H
#define _URTC_ERR_H
@@ -29,26 +33,26 @@ extern "C" {
#endif
typedef enum err {
- URTC_SUCCESS = 0,
-
- URTC_ERR,
-
- URTC_ERR_BAD_ARGUMENT,
- URTC_ERR_INSUFFICIENT_MEMORY,
- URTC_ERR_MALFORMED,
- URTC_ERR_NOT_IMPLEMENTED,
-
- URTC_ERR_PEERCONN_MISSING_REMOTE_DESC,
-
- URTC_ERR_SDP_MALFORMED,
- URTC_ERR_SDP_MALFORMED_VERSION,
- URTC_ERR_SDP_MALFORMED_ORIGIN,
- URTC_ERR_SDP_MALFORMED_TIMING,
- URTC_ERR_SDP_MALFORMED_MEDIA,
- URTC_ERR_SDP_MALFORMED_ATTRIBUTE,
- URTC_ERR_SDP_UNSUPPORTED_FINGERPRINT_ALGO,
- URTC_ERR_SDP_UNSUPPORTED_MEDIA_PROTOCOL,
- URTC_ERR_SDP_UNSUPPORTED_MEDIA_TYPE
+ URTC_SUCCESS = 0,
+
+ URTC_ERR,
+
+ URTC_ERR_BAD_ARGUMENT,
+ URTC_ERR_INSUFFICIENT_MEMORY,
+ URTC_ERR_MALFORMED,
+ URTC_ERR_NOT_IMPLEMENTED,
+
+ URTC_ERR_PEERCONN_MISSING_REMOTE_DESC,
+
+ URTC_ERR_SDP_MALFORMED,
+ URTC_ERR_SDP_MALFORMED_VERSION,
+ URTC_ERR_SDP_MALFORMED_ORIGIN,
+ URTC_ERR_SDP_MALFORMED_TIMING,
+ URTC_ERR_SDP_MALFORMED_MEDIA,
+ URTC_ERR_SDP_MALFORMED_ATTRIBUTE,
+ URTC_ERR_SDP_UNSUPPORTED_FINGERPRINT_ALGO,
+ URTC_ERR_SDP_UNSUPPORTED_MEDIA_PROTOCOL,
+ URTC_ERR_SDP_UNSUPPORTED_MEDIA_TYPE
} err_t;
#ifdef __cplusplus
@@ -56,3 +60,5 @@ typedef enum err {
#endif
#endif /* _URTC_ERR_H */
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/g711.c b/src/g711.c
index 47114d6..43f5af5 100644
--- a/src/g711.c
+++ b/src/g711.c
@@ -1,19 +1,27 @@
-/*
- * liburtc
- * Copyright (C) 2019 Chris Hiszpanski
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#include <stdio.h>
@@ -21,20 +29,22 @@
#include "g711.h"
void g711_encode(uint8_t *dst, const int16_t *src, size_t n) {
- int i;
+ int i;
- for (i = 0; i < n; i++) {
- dst[i] = pcm2ulaw[0x1FFF & (src[i] >> 3)];
- }
+ for (i = 0; i < n; i++) {
+ dst[i] = pcm2ulaw[0x1FFF & (src[i] >> 3)];
+ }
}
void g711_decode(int16_t *dst, const uint8_t *src, size_t n) {
- int i;
+ int i;
- for (i = 0; i < n; i++) {
- fprintf(stderr, "i = %i, src[i] = %i\n", i, src[i]);
- fprintf(stderr, "ulaw2pcm[i] = %i\n", ulaw2pcm[0]);
-// dst[i] = ulaw2pcm[src[i]] << 3;
- dst[i] = 0;
- }
+ for (i = 0; i < n; i++) {
+ fprintf(stderr, "i = %i, src[i] = %i\n", i, src[i]);
+ fprintf(stderr, "ulaw2pcm[i] = %i\n", ulaw2pcm[0]);
+// dst[i] = ulaw2pcm[src[i]] << 3;
+ dst[i] = 0;
+ }
}
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/g711.h b/src/g711.h
index b607734..0cf722c 100644
--- a/src/g711.h
+++ b/src/g711.h
@@ -1,19 +1,27 @@
-/*
- * liburtc
- * Copyright (C) 2019 Chris Hiszpanski
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef URTC_G711_H
@@ -66,3 +74,5 @@ void g711_decode(int16_t *dst, const uint8_t *src, size_t n);
#endif
#endif /* URTC_G711_H */
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/g711_tables.c b/src/g711_tables.c
index 0690d1a..f306a3d 100644
--- a/src/g711_tables.c
+++ b/src/g711_tables.c
@@ -1,19 +1,27 @@
-/*
- * liburtc
- * Copyright 2019 Chris Hiszpanski
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
+/**
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#include <stdint.h>
@@ -22,724 +30,724 @@
/* Table for ITU-T G.711 mu-law companding from 16-bit signed PCM */
const uint8_t pcm2ulaw[] = {
- 0xff, 0xfe, 0xfe, 0xfd, 0xfd, 0xfc, 0xfc, 0xfb, 0xfb, 0xfa, 0xfa, 0xf9,
- 0xf9, 0xf8, 0xf8, 0xf7, 0xf7, 0xf6, 0xf6, 0xf5, 0xf5, 0xf4, 0xf4, 0xf3,
- 0xf3, 0xf2, 0xf2, 0xf1, 0xf1, 0xf0, 0xf0, 0xef, 0xef, 0xef, 0xef, 0xee,
- 0xee, 0xee, 0xee, 0xed, 0xed, 0xed, 0xed, 0xec, 0xec, 0xec, 0xec, 0xeb,
- 0xeb, 0xeb, 0xeb, 0xea, 0xea, 0xea, 0xea, 0xe9, 0xe9, 0xe9, 0xe9, 0xe8,
- 0xe8, 0xe8, 0xe8, 0xe7, 0xe7, 0xe7, 0xe7, 0xe6, 0xe6, 0xe6, 0xe6, 0xe5,
- 0xe5, 0xe5, 0xe5, 0xe4, 0xe4, 0xe4, 0xe4, 0xe3, 0xe3, 0xe3, 0xe3, 0xe2,
- 0xe2, 0xe2, 0xe2, 0xe1, 0xe1, 0xe1, 0xe1, 0xe0, 0xe0, 0xe0, 0xe0, 0xdf,
- 0xdf, 0xdf, 0xdf, 0xdf, 0xdf, 0xdf, 0xdf, 0xde, 0xde, 0xde, 0xde, 0xde,
- 0xde, 0xde, 0xde, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdc,
- 0xdc, 0xdc, 0xdc, 0xdc, 0xdc, 0xdc, 0xdc, 0xdb, 0xdb, 0xdb, 0xdb, 0xdb,
- 0xdb, 0xdb, 0xdb, 0xda, 0xda, 0xda, 0xda, 0xda, 0xda, 0xda, 0xda, 0xd9,
- 0xd9, 0xd9, 0xd9, 0xd9, 0xd9, 0xd9, 0xd9, 0xd8, 0xd8, 0xd8, 0xd8, 0xd8,
- 0xd8, 0xd8, 0xd8, 0xd7, 0xd7, 0xd7, 0xd7, 0xd7, 0xd7, 0xd7, 0xd7, 0xd6,
- 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd5, 0xd5, 0xd5, 0xd5, 0xd5,
- 0xd5, 0xd5, 0xd5, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd3,
- 0xd3, 0xd3, 0xd3, 0xd3, 0xd3, 0xd3, 0xd3, 0xd2, 0xd2, 0xd2, 0xd2, 0xd2,
- 0xd2, 0xd2, 0xd2, 0xd1, 0xd1, 0xd1, 0xd1, 0xd1, 0xd1, 0xd1, 0xd1, 0xd0,
- 0xd0, 0xd0, 0xd0, 0xd0, 0xd0, 0xd0, 0xd0, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf,
- 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xce,
- 0xce, 0xce, 0xce, 0xce, 0xce, 0xce, 0xce, 0xce, 0xce, 0xce, 0xce, 0xce,
- 0xce, 0xce, 0xce, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
- 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
- 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcb,
- 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb,
- 0xcb, 0xcb, 0xcb, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca,
- 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9,
- 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc8,
- 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8,
- 0xc8, 0xc8, 0xc8, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7,
- 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
- 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc5,
- 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5,
- 0xc5, 0xc5, 0xc5, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4,
- 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3,
- 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc2,
- 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2,
- 0xc2, 0xc2, 0xc2, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1,
- 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
- 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xbf,
- 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
- 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
- 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
- 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
- 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
- 0xbe, 0xbe, 0xbe, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd,
- 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd,
- 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbc,
- 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc,
- 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc,
- 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
- 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
- 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
- 0xbb, 0xbb, 0xbb, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba,
- 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba,
- 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xb9,
- 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
- 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
- 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
- 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
- 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
- 0xb8, 0xb8, 0xb8, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7,
- 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7,
- 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb6,
- 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
- 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
- 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
- 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
- 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
- 0xb5, 0xb5, 0xb5, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
- 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
- 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb3,
- 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
- 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
- 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
- 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
- 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
- 0xb2, 0xb2, 0xb2, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
- 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
- 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb0,
- 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
- 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
- 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xac, 0xac, 0xac, 0xac, 0xac,
- 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
- 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
- 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
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+ 0xe5, 0xe5, 0xe5, 0xe4, 0xe4, 0xe4, 0xe4, 0xe3, 0xe3, 0xe3, 0xe3, 0xe2,
+ 0xe2, 0xe2, 0xe2, 0xe1, 0xe1, 0xe1, 0xe1, 0xe0, 0xe0, 0xe0, 0xe0, 0xdf,
+ 0xdf, 0xdf, 0xdf, 0xdf, 0xdf, 0xdf, 0xdf, 0xde, 0xde, 0xde, 0xde, 0xde,
+ 0xde, 0xde, 0xde, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdc,
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+ 0xdb, 0xdb, 0xdb, 0xda, 0xda, 0xda, 0xda, 0xda, 0xda, 0xda, 0xda, 0xd9,
+ 0xd9, 0xd9, 0xd9, 0xd9, 0xd9, 0xd9, 0xd9, 0xd8, 0xd8, 0xd8, 0xd8, 0xd8,
+ 0xd8, 0xd8, 0xd8, 0xd7, 0xd7, 0xd7, 0xd7, 0xd7, 0xd7, 0xd7, 0xd7, 0xd6,
+ 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd5, 0xd5, 0xd5, 0xd5, 0xd5,
+ 0xd5, 0xd5, 0xd5, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd3,
+ 0xd3, 0xd3, 0xd3, 0xd3, 0xd3, 0xd3, 0xd3, 0xd2, 0xd2, 0xd2, 0xd2, 0xd2,
+ 0xd2, 0xd2, 0xd2, 0xd1, 0xd1, 0xd1, 0xd1, 0xd1, 0xd1, 0xd1, 0xd1, 0xd0,
+ 0xd0, 0xd0, 0xd0, 0xd0, 0xd0, 0xd0, 0xd0, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf,
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+ 0xce, 0xce, 0xce, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+ 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
+ 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcb,
+ 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb,
+ 0xcb, 0xcb, 0xcb, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca,
+ 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9,
+ 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc9, 0xc8,
+ 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8, 0xc8,
+ 0xc8, 0xc8, 0xc8, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7,
+ 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc7, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
+ 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc5,
+ 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5,
+ 0xc5, 0xc5, 0xc5, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4,
+ 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc4, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3,
+ 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc2,
+ 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2,
+ 0xc2, 0xc2, 0xc2, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1,
+ 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc1, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
+ 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xbf,
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+ 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
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+ 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb6,
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+ 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
+ 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
+ 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
+ 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
+ 0xb5, 0xb5, 0xb5, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
+ 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
+ 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb3,
+ 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
+ 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
+ 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
+ 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
+ 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
+ 0xb2, 0xb2, 0xb2, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
+ 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
+ 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb0,
+ 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
+ 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
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+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
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+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
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+ 0xa5, 0xa5, 0xa5, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
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+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80
};
/* Table for ITU-T G.711 mu-law decompanding to 16-bit signed PCM */
const int16_t ulaw2pcm[] = {
- -32124, -31100, -30076, -29052, -28028, -27004, -25980, -24956,
- -23932, -22908, -21884, -20860, -19836, -18812, -17788, -16764,
- -15996, -15484, -14972, -14460, -13948, -13436, -12924, -12412,
- -11900, -11388, -10876, -10364, -9852, -9340, -8828, -8316,
- -7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
- -5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
- -3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
- -2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
- -1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
- -1372, -1308, -1244, -1180, -1116, -1052, -988, -924,
- -876, -844, -812, -780, -748, -716, -684, -652,
- -620, -588, -556, -524, -492, -460, -428, -396,
- -372, -356, -340, -324, -308, -292, -276, -260,
- -244, -228, -212, -196, -180, -164, -148, -132,
- -120, -112, -104, -96, -88, -80, -72, -64,
- -56, -48, -40, -32, -24, -16, -8, 0,
+ -32124, -31100, -30076, -29052, -28028, -27004, -25980, -24956,
+ -23932, -22908, -21884, -20860, -19836, -18812, -17788, -16764,
+ -15996, -15484, -14972, -14460, -13948, -13436, -12924, -12412,
+ -11900, -11388, -10876, -10364, -9852, -9340, -8828, -8316,
+ -7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
+ -5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
+ -3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
+ -2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
+ -1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
+ -1372, -1308, -1244, -1180, -1116, -1052, -988, -924,
+ -876, -844, -812, -780, -748, -716, -684, -652,
+ -620, -588, -556, -524, -492, -460, -428, -396,
+ -372, -356, -340, -324, -308, -292, -276, -260,
+ -244, -228, -212, -196, -180, -164, -148, -132,
+ -120, -112, -104, -96, -88, -80, -72, -64,
+ -56, -48, -40, -32, -24, -16, -8, 0,
- 32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
- 23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
- 15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
- 11900, 11388, 10876, 10364, 9852, 9340, 8828, 8316,
- 7932, 7676, 7420, 7164, 6908, 6652, 6396, 6140,
- 5884, 5628, 5372, 5116, 4860, 4604, 4348, 4092,
- 3900, 3772, 3644, 3516, 3388, 3260, 3132, 3004,
- 2876, 2748, 2620, 2492, 2364, 2236, 2108, 1980,
- 1884, 1820, 1756, 1692, 1628, 1564, 1500, 1436,
- 1372, 1308, 1244, 1180, 1116, 1052, 988, 924,
- 876, 844, 812, 780, 748, 716, 684, 652,
- 620, 588, 556, 524, 492, 460, 428, 396,
- 372, 356, 340, 324, 308, 292, 276, 260,
- 244, 228, 212, 196, 180, 164, 148, 132,
- 120, 112, 104, 96, 88, 80, 72, 64,
- 56, 48, 40, 32, 24, 16, 8, 0
+ 32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
+ 23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
+ 15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
+ 11900, 11388, 10876, 10364, 9852, 9340, 8828, 8316,
+ 7932, 7676, 7420, 7164, 6908, 6652, 6396, 6140,
+ 5884, 5628, 5372, 5116, 4860, 4604, 4348, 4092,
+ 3900, 3772, 3644, 3516, 3388, 3260, 3132, 3004,
+ 2876, 2748, 2620, 2492, 2364, 2236, 2108, 1980,
+ 1884, 1820, 1756, 1692, 1628, 1564, 1500, 1436,
+ 1372, 1308, 1244, 1180, 1116, 1052, 988, 924,
+ 876, 844, 812, 780, 748, 716, 684, 652,
+ 620, 588, 556, 524, 492, 460, 428, 396,
+ 372, 356, 340, 324, 308, 292, 276, 260,
+ 244, 228, 212, 196, 180, 164, 148, 132,
+ 120, 112, 104, 96, 88, 80, 72, 64,
+ 56, 48, 40, 32, 24, 16, 8, 0
};
diff --git a/src/log.h b/src/log.h
index 0798200..928e066 100644
--- a/src/log.h
+++ b/src/log.h
@@ -1,24 +1,27 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef _URTC_LOG_H
@@ -31,40 +34,40 @@ extern "C" {
#endif
enum level {
- TRACE = 0,
- DEBUG,
- INFO,
- WARN,
- ERROR,
- FATAL,
- NUM_LEVELS // must be last
+ TRACE = 0,
+ DEBUG,
+ INFO,
+ WARN,
+ ERROR,
+ FATAL,
+ NUM_LEVELS // must be last
};
static const char *logl[NUM_LEVELS] = {
- "\033[0;37m", // trace (gray)
- "\033[0;32m", // debug (green)
- "", // info (white)
- "\033[0;33m", // warn (yellow)
- "\033[0;35m", // error (magenta)
- "\033[0;31m" // fatal (red)
+ "\033[0;37m", // trace (gray)
+ "\033[0;32m", // debug (green)
+ "", // info (white)
+ "\033[0;33m", // warn (yellow)
+ "\033[0;35m", // error (magenta)
+ "\033[0;31m" // fatal (red)
};
static const char *logn[NUM_LEVELS] = {
- "[trace] ", // trace (gray)
- "[debug] ", // debug (green)
- "[info] ", // info (white)
- "[warn] ", // warn (yellow)
- "[error] ", // error (magenta)
- "[fatal] " // fatal (red)
+ "[trace] ", // trace (gray)
+ "[debug] ", // debug (green)
+ "[info] ", // info (white)
+ "[warn] ", // warn (yellow)
+ "[error] ", // error (magenta)
+ "[fatal] " // fatal (red)
};
static const char *logr[NUM_LEVELS] = {
- "\033[0m\n", // trace
- "\033[0m\n", // debug
- "\n", // info
- "\033[0m\n", // warn
- "\033[0m\n", // error
- "\033[0m\n" // fatal
+ "\033[0m\n", // trace
+ "\033[0m\n", // debug
+ "\n", // info
+ "\033[0m\n", // warn
+ "\033[0m\n", // error
+ "\033[0m\n" // fatal
};
#define STRINGIFY(x) #x
@@ -72,9 +75,9 @@ static const char *logr[NUM_LEVELS] = {
#define AT __FILE__ ":" TOSTRING(__LINE__)
#define log(lvl, format, ...) \
- do { \
- fprintf(stderr, "%s" AT " %s" format "%s", logl[lvl], logn[lvl], ##__VA_ARGS__, logr[lvl]); \
- } while (0);
+ do { \
+ fprintf(stderr, "%s" AT " %s" format "%s", logl[lvl], logn[lvl], ##__VA_ARGS__, logr[lvl]); \
+ } while (0);
#ifdef _cplusplus
}
diff --git a/src/mdns.c b/src/mdns.c
index fa782e4..8d19b7c 100644
--- a/src/mdns.c
+++ b/src/mdns.c
@@ -1,40 +1,43 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#include <errno.h>
-#include <net/if.h> // IFF_LOOPBACK (include pre ifaddrs.h)
-#include <ifaddrs.h> // getifaddrs
-#include <limits.h> // HOST_NAME_MAX
+#include <net/if.h> // IFF_LOOPBACK (include pre ifaddrs.h)
+#include <ifaddrs.h> // getifaddrs
+#include <limits.h> // HOST_NAME_MAX
#include <stdbool.h>
-#include <string.h> // memcpy
-#include <unistd.h> // sleep
+#include <string.h> // memcpy
+#include <unistd.h> // sleep
#include <arpa/inet.h>
#include <netinet/in.h>
#ifdef WITH_IPV6
#include <netinet6/in6.h>
#endif
-#include <sys/socket.h> // sendto, setsocketopt, socket
+#include <sys/socket.h> // sendto, setsocketopt, socket
#include "err.h"
#include "log.h"
@@ -46,7 +49,7 @@
#define DEFAULT_TTL 120 // time-to-live recommended by RFC 6762
-#define CLASS_INTERNET 1
+#define CLASS_INTERNET 1
#define CACHE_FLUSH (1 << 15)
#define FLAG_RESPONSE (1 << 15)
@@ -57,26 +60,26 @@
#endif
struct __attribute__((__packed__)) header {
- uint16_t id;
- uint16_t flags;
- uint16_t n_question; // number of question records
- uint16_t n_answer; // number of answer records
- uint16_t n_authority; // number of authority records
- uint16_t n_additional; // number of additional records
+ uint16_t id;
+ uint16_t flags;
+ uint16_t n_question; // number of question records
+ uint16_t n_answer; // number of answer records
+ uint16_t n_authority; // number of authority records
+ uint16_t n_additional; // number of additional records
};
struct __attribute__((__packed__)) qname {
- uint8_t size;
- uint8_t name[];
+ uint8_t size;
+ uint8_t name[];
};
struct __attribute__((__packed__)) answer {
- // variable length name precedes answer
- uint16_t type;
- uint16_t class;
- uint32_t ttl;
- uint16_t size;
- uint8_t data[];
+ // variable length name precedes answer
+ uint16_t type;
+ uint16_t class;
+ uint32_t ttl;
+ uint16_t size;
+ uint8_t data[];
};
/**
@@ -88,88 +91,88 @@ struct __attribute__((__packed__)) answer {
* \return Socket file descriptor on success, negative on error.
*/
int mdns_subscribe() {
- // create socket
- int sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (-1 == sockfd) {
- log(ERROR, "%s", strerror(errno));
- goto _fail_create_socket;
- }
-
- // enable address/port reuse
- {
- const unsigned int opt = 1;
- if (-1 == setsockopt(
- sockfd,
- SOL_SOCKET,
+ // create socket
+ int sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if (-1 == sockfd) {
+ log(ERROR, "%s", strerror(errno));
+ goto _fail_create_socket;
+ }
+
+ // enable address/port reuse
+ {
+ const unsigned int opt = 1;
+ if (-1 == setsockopt(
+ sockfd,
+ SOL_SOCKET,
#if defined(__APPLE__) || defined(__FreeBSD__)
- SO_REUSEPORT,
+ SO_REUSEPORT,
#else
- SO_REUSEADDR,
+ SO_REUSEADDR,
#endif
- &opt,
- sizeof(opt)
- )) {
- log(ERROR, "%s", strerror(errno));
- goto _fail_enable_addr_reuse;
- }
- }
-
- // bind socket to mDNS query port
- {
- const struct sockaddr_in mgroup = {
- .sin_family = AF_INET,
- .sin_addr.s_addr = htonl(INADDR_ANY),
- .sin_port = htons(MDNS_PORT)
- };
- if (-1 == bind(sockfd, (struct sockaddr *)(&mgroup), sizeof(mgroup))) {
- log(ERROR, "%s", strerror(errno));
- goto _fail_bind;
- }
- }
-
- // disable loopback
- {
- const int opt = 0;
- if (-1 == setsockopt(
- sockfd,
- IPPROTO_IP,
- IP_MULTICAST_LOOP,
- &opt,
- sizeof(opt)
- )) {
- log(ERROR, "setsockopt: %s", strerror(errno));
- goto _fail_disable_loopback;
- }
- }
-
- // join multicast group
- {
- const struct ip_mreqn imr = {
- .imr_multiaddr.s_addr = inet_addr(MDNS_ADDR),
- .imr_address.s_addr = htonl(INADDR_ANY)
- };
- if (-1 == setsockopt(
- sockfd,
- IPPROTO_IP,
- IP_ADD_MEMBERSHIP,
- &imr,
- sizeof(imr)
- )) {
- log(ERROR, "setsockopt: %s", strerror(errno));
- goto _fail_join_multicast_group;
- }
- }
-
- return sockfd;
+ &opt,
+ sizeof(opt)
+ )) {
+ log(ERROR, "%s", strerror(errno));
+ goto _fail_enable_addr_reuse;
+ }
+ }
+
+ // bind socket to mDNS query port
+ {
+ const struct sockaddr_in mgroup = {
+ .sin_family = AF_INET,
+ .sin_addr.s_addr = htonl(INADDR_ANY),
+ .sin_port = htons(MDNS_PORT)
+ };
+ if (-1 == bind(sockfd, (struct sockaddr *)(&mgroup), sizeof(mgroup))) {
+ log(ERROR, "%s", strerror(errno));
+ goto _fail_bind;
+ }
+ }
+
+ // disable loopback
+ {
+ const int opt = 0;
+ if (-1 == setsockopt(
+ sockfd,
+ IPPROTO_IP,
+ IP_MULTICAST_LOOP,
+ &opt,
+ sizeof(opt)
+ )) {
+ log(ERROR, "setsockopt: %s", strerror(errno));
+ goto _fail_disable_loopback;
+ }
+ }
+
+ // join multicast group
+ {
+ const struct ip_mreqn imr = {
+ .imr_multiaddr.s_addr = inet_addr(MDNS_ADDR),
+ .imr_address.s_addr = htonl(INADDR_ANY)
+ };
+ if (-1 == setsockopt(
+ sockfd,
+ IPPROTO_IP,
+ IP_ADD_MEMBERSHIP,
+ &imr,
+ sizeof(imr)
+ )) {
+ log(ERROR, "setsockopt: %s", strerror(errno));
+ goto _fail_join_multicast_group;
+ }
+ }
+
+ return sockfd;
_fail_join_multicast_group:
_fail_disable_loopback:
_fail_bind:
_fail_enable_addr_reuse:
- close(sockfd);
+ close(sockfd);
_fail_create_socket:
- return -URTC_ERR;
+ return -URTC_ERR;
}
/**
@@ -182,12 +185,12 @@ _fail_create_socket:
* \return 0 on success, negative on error.
*/
int mdns_unsubscribe(int sockfd) {
- if (-1 == close(sockfd)) {
- log(ERROR, "close: %s", strerror(errno));
- return -URTC_ERR;
- }
+ if (-1 == close(sockfd)) {
+ log(ERROR, "close: %s", strerror(errno));
+ return -URTC_ERR;
+ }
- return 0;
+ return 0;
}
/**
@@ -198,52 +201,52 @@ int mdns_unsubscribe(int sockfd) {
* \return 0 on success, negative on error.
*/
int mdns_query(const char *name) {
- // create socket
- int msockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (-1 == msockfd) {
- log(FATAL, "socket: %s", strerror(errno));
- }
-
- uint8_t q[512];
- size_t qlen = 0;
-
- // header
- struct header hdr = {
- .n_question = htons(1)
- };
- memcpy(&q[qlen], &hdr, sizeof(hdr));
- qlen += sizeof(hdr);
-
- // qname
- q[qlen] = strlen(name);
- memcpy(&q[1 + qlen], name, strlen(name));
- qlen += 1 + q[qlen];
-
- q[qlen] = strlen("local");
- memcpy(&q[1 + qlen], "local", strlen("local"));
- qlen += 1 + q[qlen];
-
- q[qlen++] = 0; // root record
-
- // qtype: 255 = any
- q[qlen++] = 0;
- q[qlen++] = 255;
-
- // qclass: 1 = ipv4
- q[qlen++] = 0x80; // unicast response please
- q[qlen++] = 1;
-
- // send query
- struct sockaddr_in mgroup = {
- .sin_family = AF_INET,
- .sin_addr.s_addr = inet_addr(MDNS_ADDR),
- .sin_port = htons(MDNS_PORT)
- };
- if (-1 == sendto(msockfd, q, qlen, 0, (struct sockaddr *)(&mgroup), sizeof(mgroup))) {
- log(FATAL, "sendto: %s", strerror(errno));
- }
-
- return 0;
+ // create socket
+ int msockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if (-1 == msockfd) {
+ log(FATAL, "socket: %s", strerror(errno));
+ }
+
+ uint8_t q[512];
+ size_t qlen = 0;
+
+ // header
+ struct header hdr = {
+ .n_question = htons(1)
+ };
+ memcpy(&q[qlen], &hdr, sizeof(hdr));
+ qlen += sizeof(hdr);
+
+ // qname
+ q[qlen] = strlen(name);
+ memcpy(&q[1 + qlen], name, strlen(name));
+ qlen += 1 + q[qlen];
+
+ q[qlen] = strlen("local");
+ memcpy(&q[1 + qlen], "local", strlen("local"));
+ qlen += 1 + q[qlen];
+
+ q[qlen++] = 0; // root record
+
+ // qtype: 255 = any
+ q[qlen++] = 0;
+ q[qlen++] = 255;
+
+ // qclass: 1 = ipv4
+ q[qlen++] = 0x80; // unicast response please
+ q[qlen++] = 1;
+
+ // send query
+ struct sockaddr_in mgroup = {
+ .sin_family = AF_INET,
+ .sin_addr.s_addr = inet_addr(MDNS_ADDR),
+ .sin_port = htons(MDNS_PORT)
+ };
+ if (-1 == sendto(msockfd, q, qlen, 0, (struct sockaddr *)(&mgroup), sizeof(mgroup))) {
+ log(FATAL, "sendto: %s", strerror(errno));
+ }
+
+ return 0;
}
/**
@@ -256,76 +259,76 @@ int mdns_query(const char *name) {
*/
int mdns_parse_response(const void *response, size_t len)
{
- // sanity checks
- if (!response) return -URTC_ERR_BAD_ARGUMENT;
- if (len < sizeof(struct header)) return -URTC_ERR_MALFORMED;
-
- struct header *hdr = (struct header *)(response);
- response += sizeof(struct header);
- len -= sizeof(struct header);
-
- // transaction id must be zero
- if (0 != hdr->id) return -URTC_ERR_MALFORMED;
-
- // flags must indicate a response
- if (!(ntohs(hdr->flags) & FLAG_RESPONSE)) return -URTC_ERR_MALFORMED;
-
- // sent single question, expecting reponse for single question
- if (1 != ntohs(hdr->n_question)) return -URTC_ERR_MALFORMED;
-
- // parse query names
- struct qname *qname;
- do {
- if (len < 1) return -URTC_ERR_MALFORMED;
- qname = (struct qname *)(response);
- if (len < 1 + qname->size) return -URTC_ERR_MALFORMED;
- response += 1 + qname->size;
- len -= 1 + qname->size;
- } while (qname->size);
-
- // parse query type (ignore)
- if (len < sizeof(uint16_t)) return -URTC_ERR_MALFORMED;
- response += sizeof(uint16_t);
- len -= sizeof(uint16_t);
-
- // parse query class (ignore)
- if (len < sizeof(uint16_t)) return -URTC_ERR_MALFORMED;
- response += sizeof(uint16_t);
- len -= sizeof(uint16_t);
-
- // answers
- for (int i = 0; i < ntohs(hdr->n_answer); i++) {
- uint16_t size;
- uint8_t namelen;
-
- // parse name (assume matches)
- if (len < 2) return -URTC_ERR_MALFORMED;
- namelen = *(uint8_t *)response;
- switch (namelen) {
- // name compression
- case 0xc0:
- response += 2;
- len -= 2;
- break;
- // no name compression
- default:
- response += 1 + namelen;
- len -= 1 + namelen;
- break;
- }
-
- if (len < sizeof(struct answer)) return -URTC_ERR_MALFORMED;
- struct answer *answer = (struct answer *)response;
- response += sizeof(struct answer);
- len -= sizeof(struct answer);
-
- size = ntohs(answer->size);
- if (len < size) return -URTC_ERR_MALFORMED;
- response += size;
- len -= size;
- }
-
- return 0;
+ // sanity checks
+ if (!response) return -URTC_ERR_BAD_ARGUMENT;
+ if (len < sizeof(struct header)) return -URTC_ERR_MALFORMED;
+
+ struct header *hdr = (struct header *)(response);
+ response += sizeof(struct header);
+ len -= sizeof(struct header);
+
+ // transaction id must be zero
+ if (0 != hdr->id) return -URTC_ERR_MALFORMED;
+
+ // flags must indicate a response
+ if (!(ntohs(hdr->flags) & FLAG_RESPONSE)) return -URTC_ERR_MALFORMED;
+
+ // sent single question, expecting reponse for single question
+ if (1 != ntohs(hdr->n_question)) return -URTC_ERR_MALFORMED;
+
+ // parse query names
+ struct qname *qname;
+ do {
+ if (len < 1) return -URTC_ERR_MALFORMED;
+ qname = (struct qname *)(response);
+ if (len < 1 + qname->size) return -URTC_ERR_MALFORMED;
+ response += 1 + qname->size;
+ len -= 1 + qname->size;
+ } while (qname->size);
+
+ // parse query type (ignore)
+ if (len < sizeof(uint16_t)) return -URTC_ERR_MALFORMED;
+ response += sizeof(uint16_t);
+ len -= sizeof(uint16_t);
+
+ // parse query class (ignore)
+ if (len < sizeof(uint16_t)) return -URTC_ERR_MALFORMED;
+ response += sizeof(uint16_t);
+ len -= sizeof(uint16_t);
+
+ // answers
+ for (int i = 0; i < ntohs(hdr->n_answer); i++) {
+ uint16_t size;
+ uint8_t namelen;
+
+ // parse name (assume matches)
+ if (len < 2) return -URTC_ERR_MALFORMED;
+ namelen = *(uint8_t *)response;
+ switch (namelen) {
+ // name compression
+ case 0xc0:
+ response += 2;
+ len -= 2;
+ break;
+ // no name compression
+ default:
+ response += 1 + namelen;
+ len -= 1 + namelen;
+ break;
+ }
+
+ if (len < sizeof(struct answer)) return -URTC_ERR_MALFORMED;
+ struct answer *answer = (struct answer *)response;
+ response += sizeof(struct answer);
+ len -= sizeof(struct answer);
+
+ size = ntohs(answer->size);
+ if (len < size) return -URTC_ERR_MALFORMED;
+ response += size;
+ len -= size;
+ }
+
+ return 0;
}
/**
@@ -338,69 +341,69 @@ int mdns_parse_response(const void *response, size_t len)
* \return Positive on match, 0 on no match, negative on malformed query.
*/
static int match(const char *expected, const uint8_t *q, int *len) {
- struct qname *qname;
- bool matches;
- int n_records;
- int n;
-
- if (!q) return -URTC_ERR_BAD_ARGUMENT;
- if (!expected) return -URTC_ERR_BAD_ARGUMENT;
- if (!len) return -URTC_ERR_BAD_ARGUMENT;
-
- n = *len;
- matches = true;
-
- n_records = 0;
- do {
- // minimum size check: a single root record (1 byte)
- if (n < 1) return -URTC_ERR_MALFORMED;
- qname = (struct qname *)(q);
-
- // minimum size check: length byte plus stated length
- if (n < 1 + qname->size) return -URTC_ERR_MALFORMED;
-
- // match records
- switch (n_records) {
- // match hostname record
- case 0:
- if (qname->size == strlen(expected)) {
- if (0 == memcmp(qname->name, expected, qname->size)) {
- break; // matched
- }
- }
- matches = false;
- break;
- // match "local" record
- case 1:
- if (qname->size == sizeof("local")-1) {
- if (0 == memcmp(qname->name, "local", sizeof("local")-1)) {
- break; //matched
- }
- }
- matches = false;
- break;
- // match root record
- case 2:
- if (qname->size == 0) {
- break;
- }
- matches = false;
- break;
- // match ancillary records
- default:
- matches = false;
- break;
- }
-
- q += 1 + qname->size;
- n -= 1 + qname->size;
- n_records++;
- } while(qname->size);
-
- // update with actual length of run-length encoding
- *len -= n;
-
- return matches;
+ struct qname *qname;
+ bool matches;
+ int n_records;
+ int n;
+
+ if (!q) return -URTC_ERR_BAD_ARGUMENT;
+ if (!expected) return -URTC_ERR_BAD_ARGUMENT;
+ if (!len) return -URTC_ERR_BAD_ARGUMENT;
+
+ n = *len;
+ matches = true;
+
+ n_records = 0;
+ do {
+ // minimum size check: a single root record (1 byte)
+ if (n < 1) return -URTC_ERR_MALFORMED;
+ qname = (struct qname *)(q);
+
+ // minimum size check: length byte plus stated length
+ if (n < 1 + qname->size) return -URTC_ERR_MALFORMED;
+
+ // match records
+ switch (n_records) {
+ // match hostname record
+ case 0:
+ if (qname->size == strlen(expected)) {
+ if (0 == memcmp(qname->name, expected, qname->size)) {
+ break; // matched
+ }
+ }
+ matches = false;
+ break;
+ // match "local" record
+ case 1:
+ if (qname->size == sizeof("local")-1) {
+ if (0 == memcmp(qname->name, "local", sizeof("local")-1)) {
+ break; //matched
+ }
+ }
+ matches = false;
+ break;
+ // match root record
+ case 2:
+ if (qname->size == 0) {
+ break;
+ }
+ matches = false;
+ break;
+ // match ancillary records
+ default:
+ matches = false;
+ break;
+ }
+
+ q += 1 + qname->size;
+ n -= 1 + qname->size;
+ n_records++;
+ } while(qname->size);
+
+ // update with actual length of run-length encoding
+ *len -= n;
+
+ return matches;
}
/**
@@ -417,72 +420,72 @@ static int match(const char *expected, const uint8_t *q, int *len) {
*/
int mdns_validate_query(const uint8_t *q, size_t n, const char *hostname)
{
- const struct header *hdr = (struct header *)q;
- const uint8_t *qi = q;
- const size_t ni = n;
- int found;
-
- found = 0;
-
- // sanity checks
- if (!q) return -URTC_ERR_BAD_ARGUMENT;
- if (n < sizeof(struct header)) return -URTC_ERR_MALFORMED;
-
- q += sizeof(struct header);
- n -= sizeof(struct header);
-
- // transaction id must be zero
- // note: hdr in host byte order (0 is byte order agnostic)
- if (0 != hdr->id) return -URTC_ERR_MALFORMED;
-
- // only support standard, non-truncated, non-recursive queries
- // note: hdr in host byte order (non-0 is byte order agnostic)
- if (hdr->flags) return -URTC_ERR_NOT_IMPLEMENTED;
-
- // parse questions
- for (int j = 0; j < ntohs(hdr->n_question); j++) {
- bool matched;
- int ret;
- int len;
-
- // upper two bits set? "compressed" records
- matched = false;
- if (n > 2 && q[0] >> 6 == 3) {
- // compressed (i.e. offset to previous record)
- const uint16_t offset = ((q[0] & 0x3F) << 8) | q[1];
- if (offset > ni) return -URTC_ERR_MALFORMED;
- len = ni - offset;
- ret = match(hostname, qi + offset, &len);
- q += 2;
- n -= 2;
- } else {
- // uncompressed
- len = n;
- ret = match(hostname, q, &len);
- q += len;
- n -= len;
- }
- if (ret < 0) return ret;
- if (ret > 0) matched = true;
-
- // parse query type for A and AAAA records
- if (n < sizeof(uint16_t)) return -URTC_ERR_MALFORMED;
- if (matched) {
- uint16_t type = ntohs(*(uint16_t *)(q));
- if (TYPE_A == type || TYPE_AAAA == type) {
- found |= type;
- }
- }
- q += sizeof(uint16_t);
- n -= sizeof(uint16_t);
-
- // parse query class (ignore)
- if (n < sizeof(uint16_t)) return -URTC_ERR_MALFORMED;
- q += sizeof(uint16_t);
- n -= sizeof(uint16_t);
- }
-
- return found;
+ const struct header *hdr = (struct header *)q;
+ const uint8_t *qi = q;
+ const size_t ni = n;
+ int found;
+
+ found = 0;
+
+ // sanity checks
+ if (!q) return -URTC_ERR_BAD_ARGUMENT;
+ if (n < sizeof(struct header)) return -URTC_ERR_MALFORMED;
+
+ q += sizeof(struct header);
+ n -= sizeof(struct header);
+
+ // transaction id must be zero
+ // note: hdr in host byte order (0 is byte order agnostic)
+ if (0 != hdr->id) return -URTC_ERR_MALFORMED;
+
+ // only support standard, non-truncated, non-recursive queries
+ // note: hdr in host byte order (non-0 is byte order agnostic)
+ if (hdr->flags) return -URTC_ERR_NOT_IMPLEMENTED;
+
+ // parse questions
+ for (int j = 0; j < ntohs(hdr->n_question); j++) {
+ bool matched;
+ int ret;
+ int len;
+
+ // upper two bits set? "compressed" records
+ matched = false;
+ if (n > 2 && q[0] >> 6 == 3) {
+ // compressed (i.e. offset to previous record)
+ const uint16_t offset = ((q[0] & 0x3F) << 8) | q[1];
+ if (offset > ni) return -URTC_ERR_MALFORMED;
+ len = ni - offset;
+ ret = match(hostname, qi + offset, &len);
+ q += 2;
+ n -= 2;
+ } else {
+ // uncompressed
+ len = n;
+ ret = match(hostname, q, &len);
+ q += len;
+ n -= len;
+ }
+ if (ret < 0) return ret;
+ if (ret > 0) matched = true;
+
+ // parse query type for A and AAAA records
+ if (n < sizeof(uint16_t)) return -URTC_ERR_MALFORMED;
+ if (matched) {
+ uint16_t type = ntohs(*(uint16_t *)(q));
+ if (TYPE_A == type || TYPE_AAAA == type) {
+ found |= type;
+ }
+ }
+ q += sizeof(uint16_t);
+ n -= sizeof(uint16_t);
+
+ // parse query class (ignore)
+ if (n < sizeof(uint16_t)) return -URTC_ERR_MALFORMED;
+ q += sizeof(uint16_t);
+ n -= sizeof(uint16_t);
+ }
+
+ return found;
}
/**
@@ -493,115 +496,117 @@ int mdns_validate_query(const uint8_t *q, size_t n, const char *hostname)
* \return 0 on success, negative on error
*/
int mdns_send_response(int sockfd, const char *hostname) {
- struct ifaddrs *ifaddrs;
- struct header *hdr;
- uint8_t *wr; // writer (convenience pointer)
- uint8_t response[
- sizeof(struct header) +
- 1 + HOST_NAME_MAX + 1 + // max size of length and host record
- 1 + sizeof(".local") + // size of length and local record
- 1 + // size of root record
- sizeof(struct answer) +
- 16 // size of AAAA record (largest record)
- ];
- hdr = (struct header *)(response);
- wr = response;
-
- // write header
- *hdr = (struct header){
- .id = 0,
- .flags = htons(FLAG_RESPONSE),
- .n_question = 0,
- .n_answer = 0,
- .n_authority = 0,
- .n_additional = 0
- };
- wr += sizeof(struct header);
-
- // get linked list of network interfaces
- if (-1 == getifaddrs(&ifaddrs)) {
- log(ERROR, "%s", strerror(errno));
- goto _fail_getifaddrs;
- }
-
- // for each network interface...
- for (struct ifaddrs *ifaddr = ifaddrs; ifaddr; ifaddr = ifaddr->ifa_next) {
- // skip loopback interfaces
- if (ifaddr->ifa_flags & IFF_LOOPBACK) continue;
-
- // for an AF_INET* interface address, display the address
- if (ifaddr->ifa_addr && ifaddr->ifa_addr->sa_family == AF_INET) {
-
- // write host record
- {
- strncpy((char *)(wr + 1), hostname, HOST_NAME_MAX);
- wr[1 + HOST_NAME_MAX - 1] = '\0';
- *wr = strlen((char *)(wr + 1));
- wr += 1 + strlen((char *)(wr + 1));
- }
-
- // write local record
- {
- const char local[] = "local";
- *wr++ = sizeof(local) - 1;
- memcpy(wr, local, sizeof(local) - 1);
- wr += sizeof(local) - 1;
- }
-
- // write root record
- *wr++ = 0;
-
- // write answer
- {
- struct answer ans = {
- .type = htons(TYPE_A),
- .class = htons(CACHE_FLUSH | CLASS_INTERNET),
- .ttl = htonl(DEFAULT_TTL),
- .size = htons(sizeof(struct in_addr)),
- };
- memcpy(wr, &ans, sizeof(ans));
- wr += sizeof(ans);
-
- memcpy(wr,
- &(((struct sockaddr_in *)(ifaddr->ifa_addr))->sin_addr),
- sizeof(struct in_addr));
- wr += sizeof(struct in_addr);
- }
-
- // increment number of answers
- hdr->n_answer++;
-
- if (hdr->n_answer == 1) {
- break;
- }
- }
- }
-
- // free linked list of network interfaces
- freeifaddrs(ifaddrs);
-
- // convert to network byte order
- hdr->n_answer = htons(hdr->n_answer);
-
- // send response
- struct sockaddr_in mgroup = {
- .sin_family = AF_INET,
- .sin_addr.s_addr = inet_addr(MDNS_ADDR),
- .sin_port = htons(MDNS_PORT)
- };
- if (-1 == sendto(
- sockfd,
- response,
- wr - response,
- 0,
- (struct sockaddr *)(&mgroup),
- sizeof(mgroup)
- )) {
- log(FATAL, "sendto: %s", strerror(errno));
- }
-
- return 0;
+ struct ifaddrs *ifaddrs;
+ struct header *hdr;
+ uint8_t *wr; // writer (convenience pointer)
+ uint8_t response[
+ sizeof(struct header) +
+ 1 + HOST_NAME_MAX + 1 + // max size of length and host record
+ 1 + sizeof(".local") + // size of length and local record
+ 1 + // size of root record
+ sizeof(struct answer) +
+ 16 // size of AAAA record (largest record)
+ ];
+ hdr = (struct header *)(response);
+ wr = response;
+
+ // write header
+ *hdr = (struct header){
+ .id = 0,
+ .flags = htons(FLAG_RESPONSE),
+ .n_question = 0,
+ .n_answer = 0,
+ .n_authority = 0,
+ .n_additional = 0
+ };
+ wr += sizeof(struct header);
+
+ // get linked list of network interfaces
+ if (-1 == getifaddrs(&ifaddrs)) {
+ log(ERROR, "%s", strerror(errno));
+ goto _fail_getifaddrs;
+ }
+
+ // for each network interface...
+ for (struct ifaddrs *ifaddr = ifaddrs; ifaddr; ifaddr = ifaddr->ifa_next) {
+ // skip loopback interfaces
+ if (ifaddr->ifa_flags & IFF_LOOPBACK) continue;
+
+ // for an AF_INET* interface address, display the address
+ if (ifaddr->ifa_addr && ifaddr->ifa_addr->sa_family == AF_INET) {
+
+ // write host record
+ {
+ strncpy((char *)(wr + 1), hostname, HOST_NAME_MAX);
+ wr[1 + HOST_NAME_MAX - 1] = '\0';
+ *wr = strlen((char *)(wr + 1));
+ wr += 1 + strlen((char *)(wr + 1));
+ }
+
+ // write local record
+ {
+ const char local[] = "local";
+ *wr++ = sizeof(local) - 1;
+ memcpy(wr, local, sizeof(local) - 1);
+ wr += sizeof(local) - 1;
+ }
+
+ // write root record
+ *wr++ = 0;
+
+ // write answer
+ {
+ struct answer ans = {
+ .type = htons(TYPE_A),
+ .class = htons(CACHE_FLUSH | CLASS_INTERNET),
+ .ttl = htonl(DEFAULT_TTL),
+ .size = htons(sizeof(struct in_addr)),
+ };
+ memcpy(wr, &ans, sizeof(ans));
+ wr += sizeof(ans);
+
+ memcpy(wr,
+ &(((struct sockaddr_in *)(ifaddr->ifa_addr))->sin_addr),
+ sizeof(struct in_addr));
+ wr += sizeof(struct in_addr);
+ }
+
+ // increment number of answers
+ hdr->n_answer++;
+
+ if (hdr->n_answer == 1) {
+ break;
+ }
+ }
+ }
+
+ // free linked list of network interfaces
+ freeifaddrs(ifaddrs);
+
+ // convert to network byte order
+ hdr->n_answer = htons(hdr->n_answer);
+
+ // send response
+ struct sockaddr_in mgroup = {
+ .sin_family = AF_INET,
+ .sin_addr.s_addr = inet_addr(MDNS_ADDR),
+ .sin_port = htons(MDNS_PORT)
+ };
+ if (-1 == sendto(
+ sockfd,
+ response,
+ wr - response,
+ 0,
+ (struct sockaddr *)(&mgroup),
+ sizeof(mgroup)
+ )) {
+ log(FATAL, "sendto: %s", strerror(errno));
+ }
+
+ return 0;
_fail_getifaddrs:
- return -URTC_ERR;
+ return -URTC_ERR;
}
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/mdns.h b/src/mdns.h
index 7e73ba6..2ea1339 100644
--- a/src/mdns.h
+++ b/src/mdns.h
@@ -1,24 +1,27 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef _URTC_MDNS_H
@@ -41,3 +44,5 @@ int mdns_parse_response(const void *response, size_t len);
int mdns_query(const char *name);
#endif // _URTC_MDNS_H
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/prng.c b/src/prng.c
index 147304b..7e5e4e6 100644
--- a/src/prng.c
+++ b/src/prng.c
@@ -1,24 +1,27 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#include <stdint.h>
@@ -31,7 +34,7 @@
* Initialize pseudo-random number generator
*/
void prng_init() {
- srand(time(NULL));
+ srand(time(NULL));
}
/**
@@ -41,7 +44,9 @@ void prng_init() {
* \param sz Size (in bytes) of destination memory
*/
void prng(void *dst, size_t sz) {
- for (; sz; sz--) {
- *(uint8_t *)dst++ = rand() & 0xFF;
- }
+ for (; sz; sz--) {
+ *(uint8_t *)dst++ = rand() & 0xFF;
+ }
}
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/prng.h b/src/prng.h
index b1ad9b4..6844915 100644
--- a/src/prng.h
+++ b/src/prng.h
@@ -1,24 +1,27 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef _URTC_PRNG_H
@@ -29,3 +32,5 @@ void prng_init();
void prng(void *dst, size_t sz);
#endif // _URTC_PRNG_H
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/sdp.c b/src/sdp.c
index baa1ece..154088c 100644
--- a/src/sdp.c
+++ b/src/sdp.c
@@ -1,24 +1,27 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#include <inttypes.h>
@@ -48,47 +51,47 @@
* \return 0 on success. Negative on error.
*/
static int sdp_parse_attr_group(struct sdp *sdp, char *val) {
- char *id = val;
+ char *id = val;
- val = strsep(&id, " ");
+ val = strsep(&id, " ");
- if (0 == strcmp("BUNDLE", val)) {
- for (int i = 0; id && i < SDP_MAX_BUNDLE_IDS; i++) {
- strncpy(sdp->mid[i], strsep(&id, " "), SDP_MAX_BUNDLE_ID_SIZE);
- }
- }
- return 0;
+ if (0 == strcmp("BUNDLE", val)) {
+ for (int i = 0; id && i < SDP_MAX_BUNDLE_IDS; i++) {
+ strncpy(sdp->mid[i], strsep(&id, " "), SDP_MAX_BUNDLE_ID_SIZE);
+ }
+ }
+ return 0;
}
static int sdp_parse_attr_msid_semantic(struct sdp *sdp, const char *val) {
- /* not implemented */
- return 0;
+ /* not implemented */
+ return 0;
}
static int sdp_parse_attr_rtcp(struct sdp *sdp, const char *val) {
- /* not implemented */
- return 0;
+ /* not implemented */
+ return 0;
}
static int sdp_parse_attr_ice_ufrag(struct sdp *sdp, const char *val) {
- if (sdp->ufrag != strncpy(sdp->ufrag, val, sizeof(sdp->ufrag))) {
- return -1;
- }
- return 0;
+ if (sdp->ufrag != strncpy(sdp->ufrag, val, sizeof(sdp->ufrag))) {
+ return -1;
+ }
+ return 0;
}
static int sdp_parse_attr_ice_password(struct sdp *sdp, const char *val) {
- if (sdp->pwd != strncpy(sdp->pwd, val, sizeof(sdp->pwd))) {
- return -1;
- }
- return 0;
+ if (sdp->pwd != strncpy(sdp->pwd, val, sizeof(sdp->pwd))) {
+ return -1;
+ }
+ return 0;
}
static int sdp_parse_attr_ice_options(struct sdp *sdp, const char *val) {
- if (0 == strcmp("trickle", val)) {
- sdp->ice_options.trickle = true;
- }
- return 0;
+ if (0 == strcmp("trickle", val)) {
+ sdp->ice_options.trickle = true;
+ }
+ return 0;
}
/**
@@ -102,59 +105,59 @@ static int sdp_parse_attr_ice_options(struct sdp *sdp, const char *val) {
* \return 0 on success. Negative on error.
*/
static int sdp_parse_attr_fingerprint(struct sdp *sdp, char *val) {
- char *fingerprint = val;
-
- val = strsep(&fingerprint, " ");
-
- if (fingerprint) {
- if (0 == strcmp("sha-256", val)) {
- if (32 != sscanf(fingerprint,
- "%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:"
- "%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:"
- "%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:"
- "%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX",
- &sdp->fingerprint.sha256[0], &sdp->fingerprint.sha256[1],
- &sdp->fingerprint.sha256[2], &sdp->fingerprint.sha256[3],
- &sdp->fingerprint.sha256[4], &sdp->fingerprint.sha256[5],
- &sdp->fingerprint.sha256[6], &sdp->fingerprint.sha256[7],
- &sdp->fingerprint.sha256[8], &sdp->fingerprint.sha256[9],
- &sdp->fingerprint.sha256[10], &sdp->fingerprint.sha256[11],
- &sdp->fingerprint.sha256[12], &sdp->fingerprint.sha256[13],
- &sdp->fingerprint.sha256[14], &sdp->fingerprint.sha256[15],
- &sdp->fingerprint.sha256[16], &sdp->fingerprint.sha256[17],
- &sdp->fingerprint.sha256[18], &sdp->fingerprint.sha256[19],
- &sdp->fingerprint.sha256[20], &sdp->fingerprint.sha256[21],
- &sdp->fingerprint.sha256[22], &sdp->fingerprint.sha256[23],
- &sdp->fingerprint.sha256[24], &sdp->fingerprint.sha256[25],
- &sdp->fingerprint.sha256[26], &sdp->fingerprint.sha256[27],
- &sdp->fingerprint.sha256[28], &sdp->fingerprint.sha256[29],
- &sdp->fingerprint.sha256[30], &sdp->fingerprint.sha256[31]
- )) {
- return -URTC_ERR_SDP_MALFORMED;
- }
- } else {
- return -URTC_ERR_SDP_UNSUPPORTED_FINGERPRINT_ALGO;
- }
- } else {
- return -URTC_ERR_SDP_MALFORMED;
- }
-
- return 0;
+ char *fingerprint = val;
+
+ val = strsep(&fingerprint, " ");
+
+ if (fingerprint) {
+ if (0 == strcmp("sha-256", val)) {
+ if (32 != sscanf(fingerprint,
+ "%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:"
+ "%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:"
+ "%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:"
+ "%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX:%2hhX",
+ &sdp->fingerprint.sha256[0], &sdp->fingerprint.sha256[1],
+ &sdp->fingerprint.sha256[2], &sdp->fingerprint.sha256[3],
+ &sdp->fingerprint.sha256[4], &sdp->fingerprint.sha256[5],
+ &sdp->fingerprint.sha256[6], &sdp->fingerprint.sha256[7],
+ &sdp->fingerprint.sha256[8], &sdp->fingerprint.sha256[9],
+ &sdp->fingerprint.sha256[10], &sdp->fingerprint.sha256[11],
+ &sdp->fingerprint.sha256[12], &sdp->fingerprint.sha256[13],
+ &sdp->fingerprint.sha256[14], &sdp->fingerprint.sha256[15],
+ &sdp->fingerprint.sha256[16], &sdp->fingerprint.sha256[17],
+ &sdp->fingerprint.sha256[18], &sdp->fingerprint.sha256[19],
+ &sdp->fingerprint.sha256[20], &sdp->fingerprint.sha256[21],
+ &sdp->fingerprint.sha256[22], &sdp->fingerprint.sha256[23],
+ &sdp->fingerprint.sha256[24], &sdp->fingerprint.sha256[25],
+ &sdp->fingerprint.sha256[26], &sdp->fingerprint.sha256[27],
+ &sdp->fingerprint.sha256[28], &sdp->fingerprint.sha256[29],
+ &sdp->fingerprint.sha256[30], &sdp->fingerprint.sha256[31]
+ )) {
+ return -URTC_ERR_SDP_MALFORMED;
+ }
+ } else {
+ return -URTC_ERR_SDP_UNSUPPORTED_FINGERPRINT_ALGO;
+ }
+ } else {
+ return -URTC_ERR_SDP_MALFORMED;
+ }
+
+ return 0;
}
static int sdp_parse_attr_setup(struct sdp *sdp, const char *val) {
- /* not implemented */
- return 0;
+ /* not implemented */
+ return 0;
}
static int sdp_parse_attr_mid(struct sdp *sdp, const char *val) {
- /* not implemented */
- return 0;
+ /* not implemented */
+ return 0;
}
static int sdp_parse_attr_extmap(struct sdp *sdp, const char *val) {
- /* not implemented */
- return 0;
+ /* not implemented */
+ return 0;
}
/**
@@ -170,36 +173,36 @@ static int sdp_parse_attr_extmap(struct sdp *sdp, const char *val) {
* \return 0 on success. Negative on error.
*/
static int sdp_parse_attr_rtpmap(struct sdp *sdp, char *val) {
- if (!val) return -URTC_ERR_SDP_MALFORMED;
-
- unsigned int pt; // payload type
- char en[7]; // encoding name
- unsigned int cr; // clock rate
-
- if (3 != sscanf(val, "%3d %6[a-zA-Z0-9]%*c%5d", &pt, en, &cr)) {
- return -URTC_ERR_SDP_MALFORMED_ATTRIBUTE;
- }
-
- if (0 == strcmp("H264", en)) {
- for (int i = 0; i < sdp->video.count; i++) {
- if (sdp->video.params[i].type == pt) {
- sdp->video.params[i].clock = cr;
- sdp->video.params[i].codec = SDP_CODEC_H264;
- }
- }
- }
-
- return 0;
+ if (!val) return -URTC_ERR_SDP_MALFORMED;
+
+ unsigned int pt; // payload type
+ char en[7]; // encoding name
+ unsigned int cr; // clock rate
+
+ if (3 != sscanf(val, "%3d %6[a-zA-Z0-9]%*c%5d", &pt, en, &cr)) {
+ return -URTC_ERR_SDP_MALFORMED_ATTRIBUTE;
+ }
+
+ if (0 == strcmp("H264", en)) {
+ for (int i = 0; i < sdp->video.count; i++) {
+ if (sdp->video.params[i].type == pt) {
+ sdp->video.params[i].clock = cr;
+ sdp->video.params[i].codec = SDP_CODEC_H264;
+ }
+ }
+ }
+
+ return 0;
}
static int sdp_parse_attr_rtcp_feedback(struct sdp *sdp, const char *val) {
- /* not implemented */
- return 0;
+ /* not implemented */
+ return 0;
}
static int sdp_parse_attr_fmtp(struct sdp *sdp, const char *val) {
- /* not implemented */
- return 0;
+ /* not implemented */
+ return 0;
}
/**
@@ -211,54 +214,54 @@ static int sdp_parse_attr_fmtp(struct sdp *sdp, const char *val) {
* \return 0 on success. Negative on error.
*/
static int sdp_parse_attribute(struct sdp *sdp, char *attr) {
- char *value = attr;
-
- // Find colon separating attribute from value
- attr = strsep(&value, ":");
-
- if (value) {
- if (0 == strcmp("group", attr)) {
- return sdp_parse_attr_group(sdp, value);
- } else if (0 == strcmp("msid-semantic", attr)) {
- return sdp_parse_attr_msid_semantic(sdp, value);
- } else if (0 == strcmp("rtcp", attr)) {
- return sdp_parse_attr_rtcp(sdp, value);
- } else if (0 == strcmp("ice-ufrag", attr)) {
- return sdp_parse_attr_ice_ufrag(sdp, value);
- } else if (0 == strcmp("ice-pwd", attr)) {
- return sdp_parse_attr_ice_password(sdp, value);
- } else if (0 == strcmp("ice-options", attr)) {
- return sdp_parse_attr_ice_options(sdp, value);
- } else if (0 == strcmp("fingerprint", attr)) {
- return sdp_parse_attr_fingerprint(sdp, value);
- } else if (0 == strcmp("setup", attr)) {
- return sdp_parse_attr_setup(sdp, value);
- } else if (0 == strcmp("mid", attr)) {
- return sdp_parse_attr_mid(sdp, value);
- } else if (0 == strcmp("extmap", attr)) {
- return sdp_parse_attr_extmap(sdp, value);
- } else if (0 == strcmp("rtpmap", attr)) {
- return sdp_parse_attr_rtpmap(sdp, value);
- } else if (0 == strcmp("rtcp-fb", attr)) {
- return sdp_parse_attr_rtcp_feedback(sdp, value);
- } else if (0 == strcmp("fmtp", attr)) {
- return sdp_parse_attr_fmtp(sdp, value);
- }
- } else /* flag */ {
- if (0 == strcmp("recvonly", attr)) {
- sdp->mode = SDP_MODE_RECEIVE_ONLY;
- } else if (0 == strcmp("sendonly", attr)) {
- sdp->mode = SDP_MODE_SEND_ONLY;
- } else if (0 == strcmp("sendrecv", attr)) {
- sdp->mode = SDP_MODE_SEND_AND_RECEIVE;
- } else if (0 == strcmp("rtcp-mux", attr)) {
- sdp->rtcp_mux = true;
- } else if (0 == strcmp("rtcp-rsize", attr)) {
- sdp->rtcp_rsize = true;
- }
- }
-
- return 0;
+ char *value = attr;
+
+ // Find colon separating attribute from value
+ attr = strsep(&value, ":");
+
+ if (value) {
+ if (0 == strcmp("group", attr)) {
+ return sdp_parse_attr_group(sdp, value);
+ } else if (0 == strcmp("msid-semantic", attr)) {
+ return sdp_parse_attr_msid_semantic(sdp, value);
+ } else if (0 == strcmp("rtcp", attr)) {
+ return sdp_parse_attr_rtcp(sdp, value);
+ } else if (0 == strcmp("ice-ufrag", attr)) {
+ return sdp_parse_attr_ice_ufrag(sdp, value);
+ } else if (0 == strcmp("ice-pwd", attr)) {
+ return sdp_parse_attr_ice_password(sdp, value);
+ } else if (0 == strcmp("ice-options", attr)) {
+ return sdp_parse_attr_ice_options(sdp, value);
+ } else if (0 == strcmp("fingerprint", attr)) {
+ return sdp_parse_attr_fingerprint(sdp, value);
+ } else if (0 == strcmp("setup", attr)) {
+ return sdp_parse_attr_setup(sdp, value);
+ } else if (0 == strcmp("mid", attr)) {
+ return sdp_parse_attr_mid(sdp, value);
+ } else if (0 == strcmp("extmap", attr)) {
+ return sdp_parse_attr_extmap(sdp, value);
+ } else if (0 == strcmp("rtpmap", attr)) {
+ return sdp_parse_attr_rtpmap(sdp, value);
+ } else if (0 == strcmp("rtcp-fb", attr)) {
+ return sdp_parse_attr_rtcp_feedback(sdp, value);
+ } else if (0 == strcmp("fmtp", attr)) {
+ return sdp_parse_attr_fmtp(sdp, value);
+ }
+ } else /* flag */ {
+ if (0 == strcmp("recvonly", attr)) {
+ sdp->mode = SDP_MODE_RECEIVE_ONLY;
+ } else if (0 == strcmp("sendonly", attr)) {
+ sdp->mode = SDP_MODE_SEND_ONLY;
+ } else if (0 == strcmp("sendrecv", attr)) {
+ sdp->mode = SDP_MODE_SEND_AND_RECEIVE;
+ } else if (0 == strcmp("rtcp-mux", attr)) {
+ sdp->rtcp_mux = true;
+ } else if (0 == strcmp("rtcp-rsize", attr)) {
+ sdp->rtcp_rsize = true;
+ }
+ }
+
+ return 0;
}
/**
@@ -277,58 +280,58 @@ static int sdp_parse_attribute(struct sdp *sdp, char *attr) {
* \return 0 on success. Negative on error.
*/
static int sdp_parse_media_description(struct sdp *sdp, char *value) {
- char *next = value;
-
- value = strsep(&next, " ");
-
- if (0 == strcmp("audio", value)) {
- /* not implemented */
- } else if (0 == strcmp("video", value)) {
- if (!next) return -URTC_ERR_SDP_MALFORMED_MEDIA;
-
- /* get port */
- value = strsep(&next, " ");
- if (1 != sscanf(value, "%5hd", &sdp->video.port)) {
- return -URTC_ERR_SDP_MALFORMED_MEDIA;
- }
- if (!next) return -URTC_ERR_SDP_MALFORMED_MEDIA;
-
- /* get protocol: only "UDP/TLS/RTP/SAVPF" supported */
- value = strsep(&next, " ");
- if (0 != strcmp("UDP/TLS/RTP/SAVPF", value)) {
- return -URTC_ERR_SDP_UNSUPPORTED_MEDIA_PROTOCOL;
- }
- if (!next) return -URTC_ERR_SDP_MALFORMED_MEDIA;
-
- /* get RTP payload types */
- sdp->video.count = 0;
- for (
- value = strsep(&next, " ");
- value && sdp->video.count < SDP_MAX_RTP_PAYLOAD_TYPES;
- value = strsep(&next, " ")
- ) {
- unsigned int *v = &sdp->video.params[sdp->video.count].type;
- if (1 != sscanf(value, "%3d", v)) {
- return -URTC_ERR_SDP_MALFORMED_MEDIA;
- }
- sdp->video.count++;
- }
-
- } else if (0 == strcmp("text", value)) {
- /* ignore */
- } else if (0 == strcmp("message", value)) {
- /* ignore */
- } else if (0 == strcmp("application", value)) {
- /* ignore */
- } else {
- return -URTC_ERR_SDP_UNSUPPORTED_MEDIA_TYPE;
- }
-
- return 0;
+ char *next = value;
+
+ value = strsep(&next, " ");
+
+ if (0 == strcmp("audio", value)) {
+ /* not implemented */
+ } else if (0 == strcmp("video", value)) {
+ if (!next) return -URTC_ERR_SDP_MALFORMED_MEDIA;
+
+ /* get port */
+ value = strsep(&next, " ");
+ if (1 != sscanf(value, "%5hd", &sdp->video.port)) {
+ return -URTC_ERR_SDP_MALFORMED_MEDIA;
+ }
+ if (!next) return -URTC_ERR_SDP_MALFORMED_MEDIA;
+
+ /* get protocol: only "UDP/TLS/RTP/SAVPF" supported */
+ value = strsep(&next, " ");
+ if (0 != strcmp("UDP/TLS/RTP/SAVPF", value)) {
+ return -URTC_ERR_SDP_UNSUPPORTED_MEDIA_PROTOCOL;
+ }
+ if (!next) return -URTC_ERR_SDP_MALFORMED_MEDIA;
+
+ /* get RTP payload types */
+ sdp->video.count = 0;
+ for (
+ value = strsep(&next, " ");
+ value && sdp->video.count < SDP_MAX_RTP_PAYLOAD_TYPES;
+ value = strsep(&next, " ")
+ ) {
+ unsigned int *v = &sdp->video.params[sdp->video.count].type;
+ if (1 != sscanf(value, "%3d", v)) {
+ return -URTC_ERR_SDP_MALFORMED_MEDIA;
+ }
+ sdp->video.count++;
+ }
+
+ } else if (0 == strcmp("text", value)) {
+ /* ignore */
+ } else if (0 == strcmp("message", value)) {
+ /* ignore */
+ } else if (0 == strcmp("application", value)) {
+ /* ignore */
+ } else {
+ return -URTC_ERR_SDP_UNSUPPORTED_MEDIA_TYPE;
+ }
+
+ return 0;
}
static int sdp_parse_connection_data(struct sdp *sdp, const char *value) {
- return 0;
+ return 0;
}
/**
@@ -345,12 +348,12 @@ static int sdp_parse_connection_data(struct sdp *sdp, const char *value) {
* \return 0 on success. Negative on error.
*/
static int sdp_parse_version(struct sdp *sdp, const char *value) {
- if (0 != strcmp("0", value)) {
- return -URTC_ERR_SDP_MALFORMED_VERSION;
- }
- sdp->version = 0;
+ if (0 != strcmp("0", value)) {
+ return -URTC_ERR_SDP_MALFORMED_VERSION;
+ }
+ sdp->version = 0;
- return 0;
+ return 0;
}
/**
@@ -370,23 +373,23 @@ static int sdp_parse_version(struct sdp *sdp, const char *value) {
* \return 0 on success. Negative on error.
*/
static int sdp_parse_origin(struct sdp *sdp, const char *value) {
- if (3 != sscanf(value,
- "%" TOSTRING(SDP_MAX_USERNAME_SIZE) "s "
- "%" TOSTRING(SDP_MAX_SESSION_ID_SIZE) "[0-9] "
- "%" TOSTRING(SDP_MAX_SESSION_VERSION_SIZE) "[0-9] "
- "IN IP4 127.0.0.1",
- sdp->username,
- sdp->session_id,
- sdp->session_version
- )) {
- return -URTC_ERR_SDP_MALFORMED_ORIGIN;
- }
-
- return 0;
+ if (3 != sscanf(value,
+ "%" TOSTRING(SDP_MAX_USERNAME_SIZE) "s "
+ "%" TOSTRING(SDP_MAX_SESSION_ID_SIZE) "[0-9] "
+ "%" TOSTRING(SDP_MAX_SESSION_VERSION_SIZE) "[0-9] "
+ "IN IP4 127.0.0.1",
+ sdp->username,
+ sdp->session_id,
+ sdp->session_version
+ )) {
+ return -URTC_ERR_SDP_MALFORMED_ORIGIN;
+ }
+
+ return 0;
}
static int sdp_parse_session_name(struct sdp *sdp, const char *value) {
- return 0;
+ return 0;
}
/**
@@ -402,14 +405,14 @@ static int sdp_parse_session_name(struct sdp *sdp, const char *value) {
* \return 0 on success. Negative on error.
*/
static int sdp_parse_timing(struct sdp *sdp, const char *value) {
- if (2 != sscanf(value, "%10lli %10lli",
- (unsigned long long *)&sdp->start_time,
- (unsigned long long *)&sdp->stop_time
- )) {
- return -URTC_ERR_SDP_MALFORMED_TIMING;
- }
-
- return 0;
+ if (2 != sscanf(value, "%10lli %10lli",
+ (unsigned long long *)&sdp->start_time,
+ (unsigned long long *)&sdp->stop_time
+ )) {
+ return -URTC_ERR_SDP_MALFORMED_TIMING;
+ }
+
+ return 0;
}
/**
@@ -421,279 +424,281 @@ static int sdp_parse_timing(struct sdp *sdp, const char *value) {
* \return 0 on success, negative on error.
*/
static int sdp_parse_line(struct sdp *sdp, char *line) {
- if (!line) return -URTC_ERR_BAD_ARGUMENT;
- if (0 == strlen(line)) return 0;
- if (strlen(line) < 3) return -URTC_ERR_SDP_MALFORMED;
- if ('=' != line[1]) return -URTC_ERR_SDP_MALFORMED;
-
- char type = line[0];
- char *value = line + 2;
-
- switch (type) {
- case 'a':
- return sdp_parse_attribute(sdp, value);
- case 'c':
- return sdp_parse_connection_data(sdp, value);
- case 'o':
- return sdp_parse_origin(sdp, value);
- case 'm':
- return sdp_parse_media_description(sdp, value);
- case 's':
- return sdp_parse_session_name(sdp, value);
- case 't':
- return sdp_parse_timing(sdp, value);
- case 'v':
- return sdp_parse_version(sdp, value);
- default:
- /* ignore unsupported types */
- return 0;
- }
+ if (!line) return -URTC_ERR_BAD_ARGUMENT;
+ if (0 == strlen(line)) return 0;
+ if (strlen(line) < 3) return -URTC_ERR_SDP_MALFORMED;
+ if ('=' != line[1]) return -URTC_ERR_SDP_MALFORMED;
+
+ char type = line[0];
+ char *value = line + 2;
+
+ switch (type) {
+ case 'a':
+ return sdp_parse_attribute(sdp, value);
+ case 'c':
+ return sdp_parse_connection_data(sdp, value);
+ case 'o':
+ return sdp_parse_origin(sdp, value);
+ case 'm':
+ return sdp_parse_media_description(sdp, value);
+ case 's':
+ return sdp_parse_session_name(sdp, value);
+ case 't':
+ return sdp_parse_timing(sdp, value);
+ case 'v':
+ return sdp_parse_version(sdp, value);
+ default:
+ /* ignore unsupported types */
+ return 0;
+ }
}
int sdp_parse(struct sdp *dst, const char *str) {
- if (!str) return -URTC_ERR_BAD_ARGUMENT;
- if (!dst) return -URTC_ERR_BAD_ARGUMENT;
-
- err_t retval = 0;
-
- /* make a malleable copy of string for parser */
- char *copy = malloc(strlen(str));
- if (copy) {
- strcpy(copy, str);
-
- for (char *in = copy, *line = strsep(&in, "\r\n"); in; line = strsep(&in, "\r\n")) {
- retval = sdp_parse_line(dst, line);
- if (retval != 0) {
- log(ERROR, "sdp_parse_line returned %i for %s", retval, line);
- break;
- }
- }
-
- free(copy);
- } else {
- return -URTC_ERR_INSUFFICIENT_MEMORY;
- }
-
- return retval;
+ if (!str) return -URTC_ERR_BAD_ARGUMENT;
+ if (!dst) return -URTC_ERR_BAD_ARGUMENT;
+
+ err_t retval = 0;
+
+ /* make a malleable copy of string for parser */
+ char *copy = malloc(strlen(str));
+ if (copy) {
+ strcpy(copy, str);
+
+ for (char *in = copy, *line = strsep(&in, "\r\n"); in; line = strsep(&in, "\r\n")) {
+ retval = sdp_parse_line(dst, line);
+ if (retval != 0) {
+ log(ERROR, "sdp_parse_line returned %i for %s", retval, line);
+ break;
+ }
+ }
+
+ free(copy);
+ } else {
+ return -URTC_ERR_INSUFFICIENT_MEMORY;
+ }
+
+ return retval;
}
int sdp_serialize(char *dst, size_t len, const struct sdp *src) {
- int n;
-
- // sanity check
- if (!dst) return -URTC_ERR_BAD_ARGUMENT;
- if (!src) return -URTC_ERR_BAD_ARGUMENT;
-
- // write version
- n = snprintf(dst, len, "v=%u\n", src->version);
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write originator and session identifier
- n = snprintf(dst, len,
- "o=liburtc/0.0.0 %s %s IN IP4 127.0.0.1\n",
- src->session_id,
- src->session_version
- );
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write session name
- n = snprintf(dst, len, "s=%s\n",
- 0 == strlen(src->session_name) ? " " : src->session_name);
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write uri
- n = snprintf(dst, len, "u=http://www.liburtc.org\n");
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write time descriptor
- n = snprintf(dst, len, "t=%" PRIu64 " %" PRIu64 "\n",
- src->start_time, src->stop_time);
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write session attribute
- n = snprintf(dst, len, "a=group:BUNDLE");
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
- for (int i = 0; i < SDP_MAX_BUNDLE_IDS; i++) {
- if (strlen(src->mid[i]) > 0) {
- n = snprintf(dst, len, " %s", src->mid[i]);
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
- }
- }
- n = snprintf(dst, len, "\n");
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write video media description
- if (src->video.count > 0) {
- n = snprintf(
- dst, len, "m=video %hd UDP/TLS/RTP/SAVPF", src->video.port
- );
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
- for (int i = 0; i < src->video.count; i++) {
- if (src->video.params[i].codec == SDP_CODEC_H264) {
- n = snprintf(dst, len, " %d", src->video.params[i].type);
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n > len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
- }
- }
- n = snprintf(dst, len, "\n");
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
- }
-
- // TODO write rtcp attribute
-
- // write connection information (TODO IPv6)
- n = snprintf(dst, len, "c=IN IP4 0.0.0.0\n");
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write media attribute: ice ufrag
- n = snprintf(dst, len, "a=ice-ufrag:%s\n", src->ufrag);
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write media attribute: ice pwd
- n = snprintf(dst, len, "a=ice-pwd:%s\n", src->pwd);
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write media attribute: trickle ICE
- if (src->ice_options.trickle) {
- n = snprintf(dst, len, "a=ice-options:trickle\n");
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
- }
-
- // write media attribute: fingerprint
- n = snprintf(dst, len,
- "a=fingerprint:sha-256 "
- "%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:"
- "%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:"
- "%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:"
- "%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX\n",
- src->fingerprint.sha256[0], src->fingerprint.sha256[1],
- src->fingerprint.sha256[2], src->fingerprint.sha256[3],
- src->fingerprint.sha256[4], src->fingerprint.sha256[5],
- src->fingerprint.sha256[6], src->fingerprint.sha256[7],
- src->fingerprint.sha256[8], src->fingerprint.sha256[9],
- src->fingerprint.sha256[10], src->fingerprint.sha256[11],
- src->fingerprint.sha256[12], src->fingerprint.sha256[13],
- src->fingerprint.sha256[14], src->fingerprint.sha256[15],
- src->fingerprint.sha256[16], src->fingerprint.sha256[17],
- src->fingerprint.sha256[18], src->fingerprint.sha256[19],
- src->fingerprint.sha256[20], src->fingerprint.sha256[21],
- src->fingerprint.sha256[22], src->fingerprint.sha256[23],
- src->fingerprint.sha256[24], src->fingerprint.sha256[25],
- src->fingerprint.sha256[26], src->fingerprint.sha256[27],
- src->fingerprint.sha256[28], src->fingerprint.sha256[29],
- src->fingerprint.sha256[30], src->fingerprint.sha256[31]
- );
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // TODO write setup, mid
-
- // write media attribute: mode
- switch (src->mode) {
- case SDP_MODE_RECEIVE_ONLY:
- n = snprintf(dst, len, "a=recvonly\n");
- break;
- case SDP_MODE_SEND_ONLY:
- n = snprintf(dst, len, "a=sendonly\n");
- break;
- case SDP_MODE_SEND_AND_RECEIVE:
- n = snprintf(dst, len, "a=sendrecv\n");
- break;
- default:
- return -URTC_ERR_SDP_MALFORMED;
- break;
- }
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- // write media attribute: rtcp mux
- if (src->rtcp_mux) {
- n = snprintf(dst, len, "a=rtcp-mux\n");
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
- }
-
- // write media attribute: rtcp rsize
- if (src->rtcp_rsize) {
- n = snprintf(dst, len, "a=rtcp-rsize\n");
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- n -= n;
- }
-
- // write dynamic profiles
- for (int i = 0; i < src->video.count; i++) {
- if (src->video.params[i].codec == SDP_CODEC_H264) {
- n = snprintf(dst, len, "a=rtpmap:%d H264/%d\n",
- src->video.params[i].type,
- src->video.params[i].clock
- );
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
- }
- }
-
- // write media attribute: media id
- // TODO fix hardcoded media id
- n = snprintf(dst, len, "a=mid:0\n");
- if (n < 0) return -URTC_ERR_SDP_MALFORMED;
- if (n >= len) return -URTC_ERR_SDP_MALFORMED;
- dst += n;
- len -= n;
-
- return 0;
+ int n;
+
+ // sanity check
+ if (!dst) return -URTC_ERR_BAD_ARGUMENT;
+ if (!src) return -URTC_ERR_BAD_ARGUMENT;
+
+ // write version
+ n = snprintf(dst, len, "v=%u\n", src->version);
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write originator and session identifier
+ n = snprintf(dst, len,
+ "o=liburtc/0.0.0 %s %s IN IP4 127.0.0.1\n",
+ src->session_id,
+ src->session_version
+ );
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write session name
+ n = snprintf(dst, len, "s=%s\n",
+ 0 == strlen(src->session_name) ? " " : src->session_name);
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write uri
+ n = snprintf(dst, len, "u=http://www.liburtc.org\n");
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write time descriptor
+ n = snprintf(dst, len, "t=%" PRIu64 " %" PRIu64 "\n",
+ src->start_time, src->stop_time);
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write session attribute
+ n = snprintf(dst, len, "a=group:BUNDLE");
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+ for (int i = 0; i < SDP_MAX_BUNDLE_IDS; i++) {
+ if (strlen(src->mid[i]) > 0) {
+ n = snprintf(dst, len, " %s", src->mid[i]);
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+ }
+ }
+ n = snprintf(dst, len, "\n");
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write video media description
+ if (src->video.count > 0) {
+ n = snprintf(
+ dst, len, "m=video %hd UDP/TLS/RTP/SAVPF", src->video.port
+ );
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+ for (int i = 0; i < src->video.count; i++) {
+ if (src->video.params[i].codec == SDP_CODEC_H264) {
+ n = snprintf(dst, len, " %d", src->video.params[i].type);
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n > len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+ }
+ }
+ n = snprintf(dst, len, "\n");
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+ }
+
+ // TODO write rtcp attribute
+
+ // write connection information (TODO IPv6)
+ n = snprintf(dst, len, "c=IN IP4 0.0.0.0\n");
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write media attribute: ice ufrag
+ n = snprintf(dst, len, "a=ice-ufrag:%s\n", src->ufrag);
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write media attribute: ice pwd
+ n = snprintf(dst, len, "a=ice-pwd:%s\n", src->pwd);
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write media attribute: trickle ICE
+ if (src->ice_options.trickle) {
+ n = snprintf(dst, len, "a=ice-options:trickle\n");
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+ }
+
+ // write media attribute: fingerprint
+ n = snprintf(dst, len,
+ "a=fingerprint:sha-256 "
+ "%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:"
+ "%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:"
+ "%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:"
+ "%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX\n",
+ src->fingerprint.sha256[0], src->fingerprint.sha256[1],
+ src->fingerprint.sha256[2], src->fingerprint.sha256[3],
+ src->fingerprint.sha256[4], src->fingerprint.sha256[5],
+ src->fingerprint.sha256[6], src->fingerprint.sha256[7],
+ src->fingerprint.sha256[8], src->fingerprint.sha256[9],
+ src->fingerprint.sha256[10], src->fingerprint.sha256[11],
+ src->fingerprint.sha256[12], src->fingerprint.sha256[13],
+ src->fingerprint.sha256[14], src->fingerprint.sha256[15],
+ src->fingerprint.sha256[16], src->fingerprint.sha256[17],
+ src->fingerprint.sha256[18], src->fingerprint.sha256[19],
+ src->fingerprint.sha256[20], src->fingerprint.sha256[21],
+ src->fingerprint.sha256[22], src->fingerprint.sha256[23],
+ src->fingerprint.sha256[24], src->fingerprint.sha256[25],
+ src->fingerprint.sha256[26], src->fingerprint.sha256[27],
+ src->fingerprint.sha256[28], src->fingerprint.sha256[29],
+ src->fingerprint.sha256[30], src->fingerprint.sha256[31]
+ );
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // TODO write setup, mid
+
+ // write media attribute: mode
+ switch (src->mode) {
+ case SDP_MODE_RECEIVE_ONLY:
+ n = snprintf(dst, len, "a=recvonly\n");
+ break;
+ case SDP_MODE_SEND_ONLY:
+ n = snprintf(dst, len, "a=sendonly\n");
+ break;
+ case SDP_MODE_SEND_AND_RECEIVE:
+ n = snprintf(dst, len, "a=sendrecv\n");
+ break;
+ default:
+ return -URTC_ERR_SDP_MALFORMED;
+ break;
+ }
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ // write media attribute: rtcp mux
+ if (src->rtcp_mux) {
+ n = snprintf(dst, len, "a=rtcp-mux\n");
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+ }
+
+ // write media attribute: rtcp rsize
+ if (src->rtcp_rsize) {
+ n = snprintf(dst, len, "a=rtcp-rsize\n");
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ n -= n;
+ }
+
+ // write dynamic profiles
+ for (int i = 0; i < src->video.count; i++) {
+ if (src->video.params[i].codec == SDP_CODEC_H264) {
+ n = snprintf(dst, len, "a=rtpmap:%d H264/%d\n",
+ src->video.params[i].type,
+ src->video.params[i].clock
+ );
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+ }
+ }
+
+ // write media attribute: media id
+ // TODO fix hardcoded media id
+ n = snprintf(dst, len, "a=mid:0\n");
+ if (n < 0) return -URTC_ERR_SDP_MALFORMED;
+ if (n >= len) return -URTC_ERR_SDP_MALFORMED;
+ dst += n;
+ len -= n;
+
+ return 0;
}
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/sdp.h b/src/sdp.h
index b65b5e5..53bc722 100644
--- a/src/sdp.h
+++ b/src/sdp.h
@@ -1,24 +1,27 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef _URTC_SDP_H
@@ -33,91 +36,91 @@ extern "C" {
// Maximum size of SDP string (in bytes)
-#define SDP_MAX_SIZE 2048
+#define SDP_MAX_SIZE 2048
-#define SDP_MAX_USERNAME_SIZE 32
-#define SDP_MAX_SESSION_ID_SIZE 32
-#define SDP_MAX_SESSION_VERSION_SIZE 32
-#define SDP_MAX_SESSION_NAME_SIZE 32
+#define SDP_MAX_USERNAME_SIZE 32
+#define SDP_MAX_SESSION_ID_SIZE 32
+#define SDP_MAX_SESSION_VERSION_SIZE 32
+#define SDP_MAX_SESSION_NAME_SIZE 32
-#define SDP_MAX_BUNDLE_IDS 5
-#define SDP_MAX_BUNDLE_ID_SIZE 32
-#define SDP_MAX_RTP_PAYLOAD_TYPES 32
+#define SDP_MAX_BUNDLE_IDS 5
+#define SDP_MAX_BUNDLE_ID_SIZE 32
+#define SDP_MAX_RTP_PAYLOAD_TYPES 32
typedef enum sdp_mode {
- SDP_MODE_SEND_AND_RECEIVE = 0,
- SDP_MODE_RECEIVE_ONLY,
- SDP_MODE_SEND_ONLY
+ SDP_MODE_SEND_AND_RECEIVE = 0,
+ SDP_MODE_RECEIVE_ONLY,
+ SDP_MODE_SEND_ONLY
} sdp_mode_t;
typedef enum sdp_media {
- SDP_MEDIA_TYPE_NULL = 0,
- SDP_MEDIA_TYPE_AUDIO,
- SDP_MEDIA_TYPE_VIDEO,
- SDP_MEDIA_TYPE_TEXT,
- SDP_MEDIA_TYPE_APPLICATION,
- SDP_MEDIA_TYPE_MESSAGE
+ SDP_MEDIA_TYPE_NULL = 0,
+ SDP_MEDIA_TYPE_AUDIO,
+ SDP_MEDIA_TYPE_VIDEO,
+ SDP_MEDIA_TYPE_TEXT,
+ SDP_MEDIA_TYPE_APPLICATION,
+ SDP_MEDIA_TYPE_MESSAGE
} sdp_media_type_t;
// Codecs recognized by SDP parser
typedef enum sdp_codec {
- SDP_CODEC_NULL = 0,
- SDP_CODEC_H264,
- SDP_CODEC_VP9
+ SDP_CODEC_NULL = 0,
+ SDP_CODEC_H264,
+ SDP_CODEC_VP9
} sdp_codec_t;
// Dynamic payload type
typedef struct sdp_rtpmap {
- unsigned int type; // Dynamic RTP payload type (e.g. 96)
- enum sdp_codec codec; // H264, VP9, etc.
- unsigned int clock; // Typically 90kHz for video
- unsigned int flags;
+ unsigned int type; // Dynamic RTP payload type (e.g. 96)
+ enum sdp_codec codec; // H264, VP9, etc.
+ unsigned int clock; // Typically 90kHz for video
+ unsigned int flags;
} sdp_rtpmap_t;
typedef struct sdp {
- // protocol version
- uint8_t version;
-
- // originator and session identifier
- char username[SDP_MAX_USERNAME_SIZE+1];
- char session_id[SDP_MAX_SESSION_ID_SIZE+1];
- char session_version[SDP_MAX_SESSION_VERSION_SIZE+1];
-
- // session name
- char session_name[SDP_MAX_SESSION_NAME_SIZE+1];
-
- // time description (mandatory)
- uint64_t start_time;
- uint64_t stop_time;
-
- // session attributes
-
- // bundle media identification tags
- char mid[SDP_MAX_BUNDLE_IDS][SDP_MAX_BUNDLE_ID_SIZE+1];
-
- // ice
- char ufrag[4*256]; // ice-ufrag (256 unicode chars max.)
- char pwd[4*256]; // ice-pwd (256 unicode chars max.)
- struct {
- bool trickle;
- } ice_options;
-
- // video media
- struct {
- uint16_t port;
- struct sdp_rtpmap params[SDP_MAX_RTP_PAYLOAD_TYPES];
- int count;
- } video;
-
- sdp_mode_t mode; // send, receive, and send-and-receive
-
- bool rtcp_mux; // is rtcp multiplexed on same socket
- bool rtcp_rsize;
-
- union {
- uint8_t sha256[32]; // certificate fingerprint
- } fingerprint;
+ // protocol version
+ uint8_t version;
+
+ // originator and session identifier
+ char username[SDP_MAX_USERNAME_SIZE+1];
+ char session_id[SDP_MAX_SESSION_ID_SIZE+1];
+ char session_version[SDP_MAX_SESSION_VERSION_SIZE+1];
+
+ // session name
+ char session_name[SDP_MAX_SESSION_NAME_SIZE+1];
+
+ // time description (mandatory)
+ uint64_t start_time;
+ uint64_t stop_time;
+
+ // session attributes
+
+ // bundle media identification tags
+ char mid[SDP_MAX_BUNDLE_IDS][SDP_MAX_BUNDLE_ID_SIZE+1];
+
+ // ice
+ char ufrag[4*256]; // ice-ufrag (256 unicode chars max.)
+ char pwd[4*256]; // ice-pwd (256 unicode chars max.)
+ struct {
+ bool trickle;
+ } ice_options;
+
+ // video media
+ struct {
+ uint16_t port;
+ struct sdp_rtpmap params[SDP_MAX_RTP_PAYLOAD_TYPES];
+ int count;
+ } video;
+
+ sdp_mode_t mode; // send, receive, and send-and-receive
+
+ bool rtcp_mux; // is rtcp multiplexed on same socket
+ bool rtcp_rsize;
+
+ union {
+ uint8_t sha256[32]; // certificate fingerprint
+ } fingerprint;
} sdp_t;
@@ -148,3 +151,5 @@ int sdp_serialize(char *dst, size_t len, const struct sdp *src);
#endif
#endif /* _URTC_SDP_H */
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/urtc.c b/src/urtc.c
index 892b632..8cc6ff5 100644
--- a/src/urtc.c
+++ b/src/urtc.c
@@ -1,131 +1,139 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
-#include <assert.h> // assert
-#include <errno.h> // errno
-#include <poll.h> // poll
-#include <pthread.h> // pthread_create
-#include <stdbool.h> // true
-#include <stdio.h> // fprintf
-#include <stdlib.h> // calloc, free
-#include <string.h> // strerror
-#include <unistd.h> // close
-
-#include <arpa/inet.h> // inet_ntoa
-#include <netinet/in.h> // IPPROTO_UDP
-#include <sys/socket.h> // socket
+#include <assert.h> // assert
+#include <errno.h> // errno
+#include <poll.h> // poll
+#include <pthread.h> // pthread_create
+#include <stdbool.h> // true
+#include <stdio.h> // fprintf
+#include <stdlib.h> // calloc, free
+#include <string.h> // strerror
+#include <unistd.h> // close
+
+#include <arpa/inet.h> // inet_ntoa
+#include <netinet/in.h> // IPPROTO_UDP
+#include <sys/socket.h> // socket
#include <sys/types.h>
#include "err.h"
#include "log.h"
-#include "mdns.h" // mdns_subscribe, mdns_unsubscribe
-#include "prng.h" // prng_init
+#include "mdns.h" // mdns_subscribe, mdns_unsubscribe
+#include "prng.h" // prng_init
#include "sdp.h"
#include "urtc.h"
-#include "uuid.h" // uuid_create_str
+#include "uuid.h" // uuid_create_str
-#define RX_BUF_CAP 2048 // receive buffer capacity
+#define RX_BUF_CAP 2048 // receive buffer capacity
-#define POLL_TIMEOUT_MS 50 // poll() timeout (in milliseconds)
+#define POLL_TIMEOUT_MS 50 // poll() timeout (in milliseconds)
+
+const static char *default_stun_servers[] = {
+ "stun.liburtc.org",
+ NULL
+};
enum signaling_state {
- SIGNALING_STATE_STABLE = 0,
- SIGNALING_STATE_HAVE_LOCAL_OFFER,
- SIGNALING_STATE_HAVE_REMOTE_OFFER,
- SIGNALING_STATE_HAVE_LOCAL_PRANSWER,
- SIGNALING_STATE_HAVE_REMOTE_PRANSWER,
+ SIGNALING_STATE_STABLE = 0,
+ SIGNALING_STATE_HAVE_LOCAL_OFFER,
+ SIGNALING_STATE_HAVE_REMOTE_OFFER,
+ SIGNALING_STATE_HAVE_LOCAL_PRANSWER,
+ SIGNALING_STATE_HAVE_REMOTE_PRANSWER,
};
enum rtc_state {
- STATE_NEW = 0,
+ STATE_NEW = 0,
- STATE_ICE_NEW,
- STATE_ICE_GATHERING,
- STATE_ICE_COMPLETE,
+ STATE_ICE_NEW,
+ STATE_ICE_GATHERING,
+ STATE_ICE_COMPLETE,
- STATE_CONNECTING,
+ STATE_CONNECTING,
- STATE_CONNECTED,
+ STATE_CONNECTED,
- STATE_DISCONNECTED,
+ STATE_DISCONNECTED,
- STATE_FAILED,
+ STATE_FAILED,
- STATE_CLOSED,
+ STATE_CLOSED,
- NUM_STATES // must be last
+ NUM_STATES // must be last
};
enum rtc_event {
- EVENT_SOCKET = 0,
- EVENT_TIMER,
- EVENT_MDNS,
- NUM_EVENTS, // must be last
+ EVENT_SOCKET = 0,
+ EVENT_TIMER,
+ EVENT_MDNS,
+ NUM_EVENTS, // must be last
};
struct peerconn {
- // socket file descriptor
- int sockfd;
+ // socket file descriptor
+ int sockfd;
- // execution thread
- pthread_t thread;
+ // execution thread
+ pthread_t thread;
- // poll file descriptors
- struct pollfd fds[NUM_EVENTS];
+ // poll file descriptors
+ struct pollfd fds[NUM_EVENTS];
- // callbacks
- urtc_on_ice_candidate *on_ice_candidate;
- urtc_force_idr *force_idr;
+ // callbacks
+ urtc_on_ice_candidate *on_ice_candidate;
+ urtc_force_idr *force_idr;
- // stun servers
- const char **stun;
+ // stun servers
+ const char **stun;
- // state machine
- enum signaling_state ss;
+ // state machine
+ enum signaling_state ss;
- // local and remote descriptions
- struct sdp ldesc, rdesc;
+ // local and remote descriptions
+ struct sdp ldesc, rdesc;
- // mDNS related state
- struct {
- char hostname[UUID_STR_LEN]; // .local hostname
- int sockfd; // port 5353 listener
- } mdns;
+ // mDNS related state
+ struct {
+ char hostname[UUID_STR_LEN]; // .local hostname
+ int sockfd; // port 5353 listener
+ } mdns;
};
typedef int (*event_handler)(struct peerconn *pc);
const enum rtc_state state_table[NUM_STATES][NUM_EVENTS] = {
- { STATE_NEW, STATE_NEW },
- { STATE_NEW, STATE_NEW },
- { STATE_NEW, STATE_NEW },
- { STATE_NEW, STATE_NEW },
- { STATE_NEW, STATE_NEW },
- { STATE_NEW, STATE_NEW },
- { STATE_NEW, STATE_NEW },
- { STATE_NEW, STATE_NEW },
- { STATE_NEW, STATE_NEW }
+ { STATE_NEW, STATE_NEW },
+ { STATE_NEW, STATE_NEW },
+ { STATE_NEW, STATE_NEW },
+ { STATE_NEW, STATE_NEW },
+ { STATE_NEW, STATE_NEW },
+ { STATE_NEW, STATE_NEW },
+ { STATE_NEW, STATE_NEW },
+ { STATE_NEW, STATE_NEW },
+ { STATE_NEW, STATE_NEW }
};
/**
@@ -136,11 +144,11 @@ const enum rtc_state state_table[NUM_STATES][NUM_EVENTS] = {
* \return 0 on success, negative on error.
*/
static int stun_handler(
- struct peerconn *pc,
- const uint8_t *pkt,
- size_t n
+ struct peerconn *pc,
+ const uint8_t *pkt,
+ size_t n
) {
- return 0;
+ return 0;
}
/**
@@ -151,11 +159,11 @@ static int stun_handler(
* \return 0 on success, negative on error.
*/
static int dtls_handler(
- struct peerconn *pc,
- const uint8_t *pkt,
- size_t n
+ struct peerconn *pc,
+ const uint8_t *pkt,
+ size_t n
) {
- return 0;
+ return 0;
}
/**
@@ -166,11 +174,11 @@ static int dtls_handler(
* \return 0 on success, negative on error.
*/
static int rtp_handler(
- struct peerconn *pc,
- const uint8_t *pkt,
- size_t n
+ struct peerconn *pc,
+ const uint8_t *pkt,
+ size_t n
) {
- return 0;
+ return 0;
}
/**
@@ -184,39 +192,39 @@ static int rtp_handler(
* \return 0 on success, negative on error.
*/
static int socket_event_handler(struct peerconn *pc) {
- uint8_t buffer[RX_BUF_CAP];
- struct sockaddr_in ra;
- socklen_t ralen;
- ssize_t n;
-
- // read packet
- ralen = sizeof(ra);
- n = recvfrom(
- pc->sockfd,
- buffer,
- sizeof(buffer),
- 0,
- (struct sockaddr *)(&ra),
- &ralen
- );
-
- // rtp
- if ((127 < buffer[0]) && (buffer[0] < 192)) {
- log(INFO, "[rtp] %s", inet_ntoa(ra.sin_addr));
- rtp_handler(pc, buffer, n);
- } else
- // dtls
- if ((19 < buffer[0]) && (buffer[0] < 64)) {
- log(INFO, "[dtls] %s", inet_ntoa(ra.sin_addr));
- dtls_handler(pc, buffer, n);
- } else
- // stun
- if (buffer[0] < 2) {
- log(INFO, "[stun] %s", inet_ntoa(ra.sin_addr));
- stun_handler(pc, buffer, n);
- }
-
- return 0;
+ uint8_t buffer[RX_BUF_CAP];
+ struct sockaddr_in ra;
+ socklen_t ralen;
+ ssize_t n;
+
+ // read packet
+ ralen = sizeof(ra);
+ n = recvfrom(
+ pc->sockfd,
+ buffer,
+ sizeof(buffer),
+ 0,
+ (struct sockaddr *)(&ra),
+ &ralen
+ );
+
+ // rtp
+ if ((127 < buffer[0]) && (buffer[0] < 192)) {
+ log(INFO, "[rtp] %s", inet_ntoa(ra.sin_addr));
+ rtp_handler(pc, buffer, n);
+ } else
+ // dtls
+ if ((19 < buffer[0]) && (buffer[0] < 64)) {
+ log(INFO, "[dtls] %s", inet_ntoa(ra.sin_addr));
+ dtls_handler(pc, buffer, n);
+ } else
+ // stun
+ if (buffer[0] < 2) {
+ log(INFO, "[stun] %s", inet_ntoa(ra.sin_addr));
+ stun_handler(pc, buffer, n);
+ }
+
+ return 0;
}
/**
@@ -232,7 +240,7 @@ static int socket_event_handler(struct peerconn *pc) {
* \return 0 on success, negative on error.
*/
static int timer_event_handler(struct peerconn *pc) {
- return 0;
+ return 0;
}
/**
@@ -243,51 +251,51 @@ static int timer_event_handler(struct peerconn *pc) {
* \return 0 on success, negative on error.
*/
static int mdns_handler(struct peerconn *pc) {
- uint8_t buffer[RX_BUF_CAP];
- ssize_t n;
-
- // read packet
- if (n = recvfrom(
- pc->mdns.sockfd,
- buffer,
- sizeof(buffer),
- 0,
- NULL,
- NULL
- ), -1 == n) {
- log(ERROR, "%s", strerror(errno));
- goto _fail_recvfrom;
- }
-
- // if valid query for peer connection's ephemeral hostname...
- int type = mdns_validate_query(buffer, n, pc->mdns.hostname);
- if (type > 0) {
- if (type | TYPE_A) {
- log(DEBUG, "[mdns] received A query");
- // ...respond to query with interface addresses
- mdns_send_response(pc->mdns.sockfd, pc->mdns.hostname);
- }
- if (type | TYPE_AAAA) {
- log(DEBUG, "[mdns] received AAAA query");
- }
- }
-
- return 0;
+ uint8_t buffer[RX_BUF_CAP];
+ ssize_t n;
+
+ // read packet
+ if (n = recvfrom(
+ pc->mdns.sockfd,
+ buffer,
+ sizeof(buffer),
+ 0,
+ NULL,
+ NULL
+ ), -1 == n) {
+ log(ERROR, "%s", strerror(errno));
+ goto _fail_recvfrom;
+ }
+
+ // if valid query for peer connection's ephemeral hostname...
+ int type = mdns_validate_query(buffer, n, pc->mdns.hostname);
+ if (type > 0) {
+ if (type | TYPE_A) {
+ log(DEBUG, "[mdns] received A query");
+ // ...respond to query with interface addresses
+ mdns_send_response(pc->mdns.sockfd, pc->mdns.hostname);
+ }
+ if (type | TYPE_AAAA) {
+ log(DEBUG, "[mdns] received AAAA query");
+ }
+ }
+
+ return 0;
_fail_recvfrom:
- return -URTC_ERR;
+ return -URTC_ERR;
}
const event_handler action_table[NUM_STATES][NUM_EVENTS] = {
- { NULL, NULL, NULL },
- { NULL, NULL, NULL },
- { NULL, NULL, NULL },
- { NULL, NULL, NULL },
- { NULL, NULL, NULL },
- { NULL, NULL, NULL },
- { NULL, NULL, NULL },
- { NULL, NULL, NULL },
- { NULL, NULL, NULL }
+ { NULL, NULL, NULL },
+ { NULL, NULL, NULL },
+ { NULL, NULL, NULL },
+ { NULL, NULL, NULL },
+ { NULL, NULL, NULL },
+ { NULL, NULL, NULL },
+ { NULL, NULL, NULL },
+ { NULL, NULL, NULL },
+ { NULL, NULL, NULL }
};
/**
@@ -296,18 +304,18 @@ const event_handler action_table[NUM_STATES][NUM_EVENTS] = {
// send stun request
// wait for stun reply
-// timeout -> resend request
+// timeout -> resend request
-// called dir caller
-// ------ --- ------
-// setRemoteDescription(offer) <-- offer = createOffer()
-// setLocalDescription(offer)
-// answer = createAnswer() --> setRemoteDescription(answer)
+// called dir caller
+// ------ --- ------
+// setRemoteDescription(offer) <-- offer = createOffer()
+// setLocalDescription(offer)
+// answer = createAnswer() --> setRemoteDescription(answer)
// setLocalDescription(answer)
//
-// cand = onIceCandidate --> addIceCandidate(cand)
-// addIceCandidate(cand) <-- cand = onIceCandidate
-// ...
+// cand = onIceCandidate --> addIceCandidate(cand)
+// addIceCandidate(cand) <-- cand = onIceCandidate
+// ...
//
// (connection established)
//
@@ -324,118 +332,124 @@ const event_handler action_table[NUM_STATES][NUM_EVENTS] = {
* \return Unused.
*/
static void * runloop(void *arg) {
- struct peerconn *pc;
- enum rtc_event event;
- int n;
+ struct peerconn *pc;
+ enum rtc_event event;
+ int n;
- pc = (struct peerconn *)arg;
- assert(pc);
+ pc = (struct peerconn *)arg;
+ assert(pc);
_loop:
- // block indefinitely (-1 timeout) until i/o event
- n = poll(pc->fds, NUM_EVENTS, -1);
- assert(n > 0);
+ // block indefinitely (-1 timeout) until i/o event
+ n = poll(pc->fds, NUM_EVENTS, -1);
+ assert(n > 0);
- // which event(s) occurred?
- if (pc->fds[EVENT_SOCKET].revents & POLLIN) {
- event = EVENT_SOCKET;
- } else
- if (pc->fds[EVENT_MDNS].revents & POLLIN) {
- mdns_handler(pc);
- } else
- if (pc->fds[EVENT_TIMER].revents & POLLIN) {
- event = EVENT_TIMER;
- }
+ // which event(s) occurred?
+ if (pc->fds[EVENT_SOCKET].revents & POLLIN) {
+ event = EVENT_SOCKET;
+ } else
+ if (pc->fds[EVENT_MDNS].revents & POLLIN) {
+ mdns_handler(pc);
+ } else
+ if (pc->fds[EVENT_TIMER].revents & POLLIN) {
+ event = EVENT_TIMER;
+ }
- goto _loop;
+ goto _loop;
- return NULL;
+ return NULL;
};
urtc_peerconn_t * urtc_peerconn_create(const char *stun[]) {
- // seend pseudorandom number generator
- prng_init();
-
- // allocate peer connection
- struct peerconn *pc = (struct peerconn *)calloc(1, sizeof(struct peerconn));
- if (!pc) return pc;
-
- // copy pointer to stun servers
- pc->stun = stun;
-
- // open udp socket (for all dtls/srtp/srtcp/stun/turn communication)
- pc->sockfd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (-1 == pc->sockfd) goto _fail_socket;
- pc->fds[EVENT_SOCKET] = (struct pollfd){ pc->sockfd, POLLIN };
-
- // generate a unique local mDNS hostname
- uuid_create_str(pc->mdns.hostname);
- log(INFO, "mDNS hostname is %s.local", pc->mdns.hostname);
-
- // open multicast udp socket for replying to mDNS queries
- pc->mdns.sockfd = mdns_subscribe();
- if (-1 == pc->mdns.sockfd) goto _fail_mdns_subscribe;
- pc->fds[EVENT_MDNS] = (struct pollfd){
- pc->mdns.sockfd,
- POLLIN
- };
-
- // start new thread per peer connection
- if (0 != pthread_create(
- &(pc->thread),
- NULL,
- runloop,
- pc
- )) goto _fail_pthread_create;
-
- return pc;
+ // seed pseudorandom number generator
+ prng_init();
+
+ // allocate peer connection
+ struct peerconn *pc = (struct peerconn *)calloc(1, sizeof(struct peerconn));
+ if (!pc) return pc;
+
+ // copy pointer to stun servers
+ if (!stun) {
+ pc->stun = default_stun_servers;
+ } else {
+ pc->stun = stun;
+ }
+
+ // open udp socket (for all dtls/srtp/srtcp/stun/turn communication)
+ pc->sockfd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if (-1 == pc->sockfd) goto _fail_socket;
+ pc->fds[EVENT_SOCKET] = (struct pollfd){ pc->sockfd, POLLIN };
+
+ // generate a unique local mDNS hostname
+ uuid_create_str(pc->mdns.hostname);
+ log(INFO, "mDNS hostname is %s.local", pc->mdns.hostname);
+
+ // open multicast udp socket for replying to mDNS queries
+ pc->mdns.sockfd = mdns_subscribe();
+ if (-1 == pc->mdns.sockfd) goto _fail_mdns_subscribe;
+ pc->fds[EVENT_MDNS] = (struct pollfd){
+ pc->mdns.sockfd,
+ POLLIN
+ };
+
+ // start new thread per peer connection
+ if (0 != pthread_create(
+ &(pc->thread),
+ NULL,
+ runloop,
+ pc
+ )) goto _fail_pthread_create;
+
+ return pc;
_fail_pthread_create:
- mdns_unsubscribe(pc->mdns.sockfd);
+ mdns_unsubscribe(pc->mdns.sockfd);
_fail_mdns_subscribe:
- close(pc->sockfd);
+ close(pc->sockfd);
_fail_socket:
- free(pc);
+ free(pc);
- return NULL;
+ return NULL;
}
int urtc_set_on_ice_candidate(struct peerconn *pc, urtc_on_ice_candidate *cb) {
- if (!pc) return -1;
- if (!cb) return -1;
- pc->on_ice_candidate = cb;
+ if (!pc) return -1;
+ if (!cb) return -1;
+ pc->on_ice_candidate = cb;
- return -URTC_ERR_NOT_IMPLEMENTED;
+ return -URTC_ERR_NOT_IMPLEMENTED;
}
int urtc_add_ice_candidate(struct peerconn *pc, const char *cand) {
- return -URTC_ERR_NOT_IMPLEMENTED;
+ return -URTC_ERR_NOT_IMPLEMENTED;
}
int urtc_create_answer(struct peerconn *pc, char **answer) {
- return -URTC_ERR_NOT_IMPLEMENTED;
+ return -URTC_ERR_NOT_IMPLEMENTED;
}
int urtc_create_offer(struct peerconn *pc, char **offer) {
- return -URTC_ERR_NOT_IMPLEMENTED;
+ return -URTC_ERR_NOT_IMPLEMENTED;
}
int urtc_set_remote_description(struct peerconn *pc, const char *desc) {
- return -URTC_ERR_NOT_IMPLEMENTED;
+ return -URTC_ERR_NOT_IMPLEMENTED;
}
int urtc_set_local_description(struct peerconn *pc, const char *desc) {
- return -URTC_ERR_NOT_IMPLEMENTED;
+ return -URTC_ERR_NOT_IMPLEMENTED;
}
void urtc_peerconn_destroy(struct peerconn *pc) {
- if (pc) {
- pthread_cancel(pc->thread);
- pthread_join(pc->thread, NULL);
- mdns_unsubscribe(pc->mdns.sockfd);
- shutdown(pc->sockfd, SHUT_RDWR);
- close(pc->sockfd);
- free(pc);
- }
+ if (pc) {
+ pthread_cancel(pc->thread);
+ pthread_join(pc->thread, NULL);
+ mdns_unsubscribe(pc->mdns.sockfd);
+ shutdown(pc->sockfd, SHUT_RDWR);
+ close(pc->sockfd);
+ free(pc);
+ }
}
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/urtc.h b/src/urtc.h
index 3da0947..7760ca8 100644
--- a/src/urtc.h
+++ b/src/urtc.h
@@ -3,25 +3,29 @@
*
* \brief liburtc header file.
*
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
/**
@@ -105,8 +109,8 @@ typedef void (urtc_force_idr)();
* local area network peers will be discoverable.
*
* \return On success, a pointer to new peer connection object is returned.
- * The peer connection must be destroyed with urtc_peerconn_destroy()
- * when no longer needed. On error, NULL is returned.
+ * The peer connection must be destroyed with urtc_peerconn_destroy()
+ * when no longer needed. On error, NULL is returned.
*/
urtc_peerconn_t * urtc_peerconn_create(const char *stun[]);
@@ -221,3 +225,5 @@ void urtc_peerconn_destroy(urtc_peerconn_t *pc);
#endif
#endif /* _URTC_H */
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/uuid.c b/src/uuid.c
index 6dfa4c1..7345a78 100644
--- a/src/uuid.c
+++ b/src/uuid.c
@@ -1,24 +1,27 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
/**
@@ -39,16 +42,16 @@
* \return Populated UUID.
*/
struct uuid uuid_create() {
- struct uuid u;
+ struct uuid u;
- // fill with randomness
- prng(&u, sizeof(u));
+ // fill with randomness
+ prng(&u, sizeof(u));
- // set reserved and version bits
- u.clk_seq_hi_and_reserved = (u.clk_seq_hi_and_reserved & 0x3F) | 0x80;
- u.time_hi_and_version = (u.time_hi_and_version & 0x0FFF) | 0x4000;
+ // set reserved and version bits
+ u.clk_seq_hi_and_reserved = (u.clk_seq_hi_and_reserved & 0x3F) | 0x80;
+ u.time_hi_and_version = (u.time_hi_and_version & 0x0FFF) | 0x4000;
- return u;
+ return u;
}
/**
@@ -58,19 +61,21 @@ struct uuid uuid_create() {
*
*/
void uuid_create_str(char s[UUID_STR_LEN]) {
- struct uuid u = uuid_create();
+ struct uuid u = uuid_create();
- sprintf(s, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
- u.time_low,
- u.time_mid,
- u.time_hi_and_version,
- u.clk_seq_hi_and_reserved,
- u.clk_seq_low,
- u.node[0],
- u.node[1],
- u.node[2],
- u.node[3],
- u.node[4],
- u.node[5]
- );
+ sprintf(s, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ u.time_low,
+ u.time_mid,
+ u.time_hi_and_version,
+ u.clk_seq_hi_and_reserved,
+ u.clk_seq_low,
+ u.node[0],
+ u.node[1],
+ u.node[2],
+ u.node[3],
+ u.node[4],
+ u.node[5]
+ );
}
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */
diff --git a/src/uuid.h b/src/uuid.h
index 464f33e..5b74eac 100644
--- a/src/uuid.h
+++ b/src/uuid.h
@@ -1,24 +1,27 @@
/**
- * liburtc
- * Copyright 2020 Chris Hiszpanski
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * Copyright (c) 2019-2021 Chris Hiszpanski. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
*/
#ifndef _URTC_UUID_H
@@ -35,12 +38,12 @@ extern "C" {
#define UUID_STR_LEN (32 + 4 + 1) // 16 hex octets, 4 dashes, 1 null terminator
struct __attribute__((__packed__)) uuid {
- uint32_t time_low;
- uint16_t time_mid;
- uint16_t time_hi_and_version;
- uint8_t clk_seq_hi_and_reserved;
- uint8_t clk_seq_low;
- uint8_t node[6];
+ uint32_t time_low;
+ uint16_t time_mid;
+ uint16_t time_hi_and_version;
+ uint8_t clk_seq_hi_and_reserved;
+ uint8_t clk_seq_low;
+ uint8_t node[6];
};
struct uuid uuid_create();
@@ -52,3 +55,5 @@ void uuid_create_str(char uuid[UUID_STR_LEN]);
#endif
#endif // _URTC_UUID_H
+
+/* vim: set expandtab ts=8 sw=4 tw=0 : */