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authorkpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b>2006-08-21 02:11:39 +0000
committerkpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b>2006-08-21 02:11:39 +0000
commit8b0c007ad990aa27d9868da49215fd1076ac77cc (patch)
tree270b9c46c1e644483d6d2a35b509f43218ba3252 /srv.c
parenta42edc84034f91932a3e12d503e07f76a6eb498a (diff)
merge new_loader_completion branch, including (at least):
- restructured build tree and makefiles to eliminate recursion problems - support for embedded modules - support for static builds - simpler cross-compilation support - simpler module/loader interface (no exported symbols) git-svn-id: http://svn.digium.com/svn/asterisk/trunk@40722 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'srv.c')
-rw-r--r--srv.c140
1 files changed, 0 insertions, 140 deletions
diff --git a/srv.c b/srv.c
deleted file mode 100644
index 8b7e76bfc..000000000
--- a/srv.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2005, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * Funding provided by nic.at
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief DNS SRV Record Lookup Support for Asterisk
- *
- * \author Mark Spencer <markster@digium.com>
- *
- * \arg See also \ref AstENUM
- *
- * \note Funding provided by nic.at
- */
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <sys/types.h>
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#if __APPLE_CC__ >= 1495
-#include <arpa/nameser_compat.h>
-#endif
-#include <resolv.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "asterisk/channel.h"
-#include "asterisk/logger.h"
-#include "asterisk/srv.h"
-#include "asterisk/dns.h"
-#include "asterisk/options.h"
-#include "asterisk/utils.h"
-
-#ifdef __APPLE__
-#undef T_SRV
-#define T_SRV 33
-#endif
-
-struct srv {
- unsigned short priority;
- unsigned short weight;
- unsigned short portnum;
-} __attribute__ ((__packed__));
-
-static int parse_srv(char *host, int hostlen, int *portno, unsigned char *answer, int len, unsigned char *msg)
-{
- int res = 0;
- struct srv *srv = (struct srv *)answer;
- char repl[256] = "";
-
- if (len < sizeof(struct srv)) {
- printf("Length too short\n");
- return -1;
- }
- answer += sizeof(struct srv);
- len -= sizeof(struct srv);
-
- if ((res = dn_expand(msg, answer + len, answer, repl, sizeof(repl) - 1)) < 0) {
- ast_log(LOG_WARNING, "Failed to expand hostname\n");
- return -1;
- }
- if (res && strcmp(repl, ".")) {
- if (option_verbose > 3)
- ast_verbose( VERBOSE_PREFIX_3 "parse_srv: SRV mapped to host %s, port %d\n", repl, ntohs(srv->portnum));
- if (host) {
- ast_copy_string(host, repl, hostlen);
- host[hostlen-1] = '\0';
- }
- if (portno)
- *portno = ntohs(srv->portnum);
- return 0;
- }
- return -1;
-}
-
-struct srv_context {
- char *host;
- int hostlen;
- int *port;
-};
-
-static int srv_callback(void *context, unsigned char *answer, int len, unsigned char *fullanswer)
-{
- struct srv_context *c = (struct srv_context *)context;
-
- if (parse_srv(c->host, c->hostlen, c->port, answer, len, fullanswer)) {
- ast_log(LOG_WARNING, "Failed to parse srv\n");
- return -1;
- }
-
- if (!ast_strlen_zero(c->host))
- return 1;
-
- return 0;
-}
-
-int ast_get_srv(struct ast_channel *chan, char *host, int hostlen, int *port, const char *service)
-{
- struct srv_context context;
- int ret;
-
- context.host = host;
- context.hostlen = hostlen;
- context.port = port;
-
- if (chan && ast_autoservice_start(chan) < 0)
- return -1;
-
- ret = ast_search_dns(&context, service, C_IN, T_SRV, srv_callback);
-
- if (chan)
- ret |= ast_autoservice_stop(chan);
-
- if (ret <= 0) {
- host[0] = '\0';
- *port = -1;
- return ret;
- }
- return ret;
-}