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Merged revisions 114890 via svnmerge from

Browse Source 
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r114890 | oej | 2008-04-30 18:23:17 +0200 (Ons, 30 Apr 2008) | 7 lines

Don't crash on bad SIP replys.
Fix created in Huntsville together with Mark M (putnopvut)

(closes issue #12363)
Reported by: jvandal
Tested by: putnopvut, oej

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@114899 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Olle Johansson
2008-04-30 16:55:49 +00:00
parent 59f170973e
commit 4c3aecfc55
1 changed files with 8 additions and 4 deletions
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channels/chan_sip.c
+8 -4
View File
@@ -2065,7 +2065,7 @@ static const struct cfsubscription_types *find_subscription_type(enum subscripti
static const char *gettag(const struct sip_request *req, const char *header, char *tagbuf, int tagbufsize);
static int find_sip_method(const char *msg);
static unsigned int parse_sip_options(struct sip_pvt *pvt, const char *supported);
static void parse_request(struct sip_request *req);
static int parse_request(struct sip_request *req);
static const char *get_header(const struct sip_request *req, const char *name);
static const char *referstatus2str(enum referstatus rstatus) attribute_pure;
static int method_match(enum sipmethod id, const char *name);
@@ -6440,7 +6440,7 @@ static int lws2sws(char *msgbuf, int len)
/*! \brief Parse a SIP message
\note this function is used both on incoming and outgoing packets
*/
static void parse_request(struct sip_request *req)
static int parse_request(struct sip_request *req)
{
char *c = req->data->str, **dst = req->header;
int i = 0, lim = SIP_MAX_HEADERS - 1;
@@ -6490,7 +6490,7 @@ static void parse_request(struct sip_request *req)
if (*c)
ast_log(LOG_WARNING, "Too many lines, skipping <%s>\n", c);
/* Split up the first line parts */
determine_firstline_parts(req);
return determine_firstline_parts(req);
}
/*!
@@ -19159,7 +19159,11 @@ static int handle_request_do(struct sip_request *req, struct sockaddr_in *sin)
ntohs(sin->sin_port), req->data->str);
}
parse_request(req);
if(parse_request(req) == -1) { /* Bad packet, can't parse */
ast_str_reset(req->data); /* nulling this out is NOT a good idea here. */
return 1;
}
req->method = find_sip_method(req->rlPart1);
if (req->debug)