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Fix SIP registration (I hope)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@801 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2003-04-09 21:13:11 +00:00
parent 9d5e3ee8b9
commit 14009dbfa1
1 changed files with 59 additions and 27 deletions
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86
channels/chan_sip.c
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@@ -310,6 +310,7 @@ struct sip_registry {
pthread_mutex_t lock; /* Channel private lock */
struct sockaddr_in addr; /* Who we connect to for registration purposes */
char username[80];
char hostname[80];
char secret[80]; /* Password or key name in []'s */
char contact[80]; /* Contact extension */
char random[80];
@@ -1433,6 +1434,7 @@ static int sip_register(char *value, int lineno)
memset(reg, 0, sizeof(struct sip_registry));
strncpy(reg->contact, contact, sizeof(reg->contact) - 1);
strncpy(reg->username, username, sizeof(reg->username)-1);
strncpy(reg->hostname, hostname, sizeof(reg->hostname)-1);
if (secret)
strncpy(reg->secret, secret, sizeof(reg->secret)-1);
reg->expire = -1;
@@ -2489,28 +2491,33 @@ static int transmit_register(struct sip_registry *r, char *cmd, char *auth)
char addr[80];
struct sip_pvt *p;
/* exit if we are already in process with this registrar ?*/
if ( r == NULL || (auth==NULL && r->regstate==REG_STATE_REGSENT) || r->regstate==REG_STATE_AUTHSENT) {
if ( r == NULL || ((auth==NULL) && (r->regstate==REG_STATE_REGSENT || r->regstate==REG_STATE_AUTHSENT))) {
ast_log(LOG_NOTICE, "Strange, trying to register when registration already pending\n");
return 0;
}
if (r->call) {
ast_log(LOG_WARNING, "Already have a call??\n");
if (!auth) {
ast_log(LOG_WARNING, "Already have a call??\n");
return 0;
} else
p = r->call;
} else {
build_callid(r->callid, sizeof(r->callid), __ourip);
p=sip_alloc( r->callid, &r->addr, 0);
if (!p) {
ast_log(LOG_WARNING, "Unable to allocate registration call\n");
return 0;
}
p->outgoing = 1;
r->call=p;
p->registry=r;
strncpy(p->peersecret, r->secret, sizeof(p->peersecret)-1);
strncpy(p->peername, r->username, sizeof(p->peername)-1);
strncpy(p->username, r->username, sizeof(p->username)-1);
strncpy(p->exten, r->contact, sizeof(p->exten) - 1);
build_contact(p);
}
build_callid(r->callid, sizeof(r->callid), __ourip);
p=sip_alloc( r->callid, &r->addr, 0);
if (!p) {
ast_log(LOG_WARNING, "Unable to allocate registration call\n");
return 0;
}
p->outgoing = 1;
r->call=p;
p->registry=r;
strncpy(p->peersecret, r->secret, sizeof(p->peersecret)-1);
strncpy(p->peername, r->username, sizeof(p->peername)-1);
strncpy(p->username, r->username, sizeof(p->username)-1);
strncpy(p->exten, r->contact, sizeof(p->exten) - 1);
build_contact(p);
/* set up a timeout */
if (auth==NULL) {
@@ -2522,8 +2529,8 @@ static int transmit_register(struct sip_registry *r, char *cmd, char *auth)
ast_log(LOG_DEBUG, "Scheduled a timeout # %d\n", r->timeout);
}
snprintf(from, sizeof(from), "<sip:%s@%s>;tag=as%08x", r->username, inet_ntoa(r->addr.sin_addr), p->tag);
snprintf(to, sizeof(to), "<sip:%s@%s>;tag=as%08x", r->username, inet_ntoa(r->addr.sin_addr), p->tag);
snprintf(from, sizeof(from), "<sip:%s@%s>;tag=as%08x", r->username, inet_ntoa(r->addr.sin_addr) /* r->hostname */, p->tag);
snprintf(to, sizeof(to), "<sip:%s@%s>;tag=as%08x", r->username, inet_ntoa(r->addr.sin_addr) /* r->hostname */, p->tag);
snprintf(addr, sizeof(addr), "sip:%s", inet_ntoa(r->addr.sin_addr));
@@ -2616,9 +2623,13 @@ static int parse_contact(struct sip_pvt *pvt, struct sip_peer *p, struct sip_req
struct sockaddr_in oldsin;
if (!strlen(expires)) {
expires = strstr(get_header(req, "Contact"), "expires=");
if (expires)
if (expires) {
if (sscanf(expires + 8, "%d;", &expiry) != 1)
expiry = 0;
expiry = default_expiry;
} else {
/* Nothing has been specified */
expiry = default_expiry;
}
}
/* Look for brackets */
strncpy(contact, get_header(req, "Contact"), sizeof(contact) - 1);
@@ -3540,14 +3551,20 @@ static int reply_digest(struct sip_pvt *p, struct sip_request *req, char *header
static int do_register_auth(struct sip_pvt *p, struct sip_request *req) {
char digest[256];
memset(digest,0,sizeof(digest));
reply_digest(p,req, "WWW-Authenticate", "REGISTER", digest, sizeof(digest) );
if (reply_digest(p,req, "WWW-Authenticate", "REGISTER", digest, sizeof(digest))) {
/* There's nothing to use for authentication */
return -1;
}
return transmit_register(p->registry,"REGISTER",digest);
}
static int do_proxy_auth(struct sip_pvt *p, struct sip_request *req) {
char digest[256];
memset(digest,0,sizeof(digest));
reply_digest(p,req, "Proxy-Authenticate", "INVITE", digest, sizeof(digest) );
if (reply_digest(p,req, "Proxy-Authenticate", "INVITE", digest, sizeof(digest) )) {
/* No way to authenticate */
return -1;
}
return transmit_invite(p,"INVITE",1,digest, NULL);
}
@@ -3560,6 +3577,8 @@ static int reply_digest(struct sip_pvt *p, struct sip_request *req, char *header
strncpy(tmp, get_header(req, header),sizeof(tmp) - 1);
if (!strlen(tmp))
return -1;
c = tmp;
c+=strlen("Digest ");
while (c) {
@@ -3840,6 +3859,7 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
}
r->timeout=-1;
r->call = NULL;
p->registry = NULL;
p->needdestroy = 1;
/* set us up for re-registering */
/* figure out how long we got registered for */
@@ -3854,13 +3874,25 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
}
break;
case 401: /* Not authorized on REGISTER */
do_register_auth(p, req);
if (p->registry && !strcasecmp(msg, "REGISTER")) {
if (do_register_auth(p, req)) {
ast_log(LOG_NOTICE, "Failed to authenticate on REGISTER to '%s'\n", get_header(&p->initreq, "From"));
p->needdestroy = 1;
}
} else
p->needdestroy = 1;
break;
case 407:
/* First we ACK */
transmit_request(p, "ACK", seqno, 0);
/* Then we AUTH */
do_proxy_auth(p, req);
if (!strcasecmp(msg, "INVITE")) {
/* First we ACK */
transmit_request(p, "ACK", seqno, 0);
/* Then we AUTH */
if (do_proxy_auth(p, req)) {
ast_log(LOG_NOTICE, "Failed to authenticate on INVITE to '%s'\n", get_header(&p->initreq, "From"));
p->needdestroy = 1;
}
} else
p->needdestroy = 1;
break;
default:
if ((resp >= 300) && (resp < 700)) {