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Handle DNS failures on startup more gracefully (bug #3086)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4989 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2005-02-09 03:22:42 +00:00
parent aeaa181d74
commit 97f589e6af
3 changed files with 33 additions and 19 deletions
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29
acl.c
View File

@@ -384,3 +384,32 @@ struct ast_netsock *ast_netsock_bind(struct ast_netsock_list *list, struct io_co
ast_log(LOG_WARNING, "Out of memory!\n");
return NULL;
}
int ast_find_ourip(struct in_addr *ourip, struct sockaddr_in bindaddr)
{
char ourhost[256];
struct ast_hostent ahp;
struct hostent *hp;
struct in_addr saddr;
/* just use the bind address if it is nonzero */
if (ntohl(bindaddr.sin_addr.s_addr)) {
memcpy(ourip, &bindaddr.sin_addr, sizeof(*ourip));
return 0;
}
/* try to use our hostname */
if (gethostname(ourhost, sizeof(ourhost))) {
ast_log(LOG_WARNING, "Unable to get hostname\n");
} else {
hp = ast_gethostbyname(ourhost, &ahp);
if (hp) {
memcpy(ourip, hp->h_addr, sizeof(*ourip));
return 0;
}
}
/* A.ROOT-SERVERS.NET. */
if (inet_aton("198.41.0.4", &saddr) && !ast_ouraddrfor(&saddr, ourip))
return 0;
return -1;
}

22
channels/chan_sip.c
View File

@@ -191,7 +191,6 @@ static int restart_monitor(void);
static int global_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H263;
static int noncodeccapability = AST_RTP_DTMF;
static char ourhost[256];
static struct in_addr __ourip;
static struct sockaddr_in outboundproxyip;
static int ourport;
@@ -9059,10 +9058,6 @@ static int reload_config(void)
char iabuf[INET_ADDRSTRLEN];
struct ast_flags dummy;
if (gethostname(ourhost, sizeof(ourhost))) {
ast_log(LOG_WARNING, "Unable to get hostname, SIP disabled\n");
return 0;
}
cfg = ast_config_load(config);
/* We *must* have a config file otherwise stop immediately */
@@ -9297,20 +9292,9 @@ static int reload_config(void)
}
cat = ast_category_browse(cfg, cat);
}
/* Find our IP address */
if (ntohl(bindaddr.sin_addr.s_addr)) {
memcpy(&__ourip, &bindaddr.sin_addr, sizeof(__ourip));
} else {
hp = ast_gethostbyname(ourhost, &ahp);
if (!hp) {
ast_log(LOG_WARNING, "Unable to get IP address for %s, SIP disabled\n", ourhost);
if (!__ourip.s_addr) {
ast_config_destroy(cfg);
return 0;
}
} else
memcpy(&__ourip, hp->h_addr, sizeof(__ourip));
if (ast_find_ourip(&__ourip, bindaddr)) {
ast_log(LOG_WARNING, "Unable to get own IP address, SIP disabled\n");
return 0;
}
if (!ntohs(bindaddr.sin_port))
bindaddr.sin_port = ntohs(DEFAULT_SIP_PORT);

1
include/asterisk/acl.h
View File

@@ -50,6 +50,7 @@ extern struct ast_netsock *ast_netsock_bindaddr(struct ast_netsock_list *list, s
extern int ast_netsock_free(struct ast_netsock_list *list, struct ast_netsock *netsock);
extern int ast_netsock_release(struct ast_netsock_list *list);
extern int ast_netsock_sockfd(struct ast_netsock *ns);
extern int ast_find_ourip(struct in_addr *ourip, struct sockaddr_in bindaddr);
/*! Compares the source address and port of two sockaddr_in */
static inline int inaddrcmp(struct sockaddr_in *sin1, struct sockaddr_in *sin2)