From e48cecc84871f0c17c02739f4db8af338a2a1d5d Mon Sep 17 00:00:00 2001 From: Richard Mudgett Date: Fri, 11 Nov 2011 18:37:32 +0000 Subject: [PATCH] Check sip.conf maxforwards parameter for range 1 <= x <= 255. JIRA AST-710 ........ Merged revisions 344715 from http://svn.asterisk.org/svn/asterisk/branches/1.8 ........ Merged revisions 344716 from http://svn.asterisk.org/svn/asterisk/branches/10 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@344717 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- channels/chan_sip.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 94f9579235..5896e6ed92 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -27939,7 +27939,8 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, str peer->amaflags = format; } } else if (!strcasecmp(v->name, "maxforwards")) { - if ((sscanf(v->value, "%30d", &peer->maxforwards) != 1) || (peer->maxforwards < 1)) { + if (sscanf(v->value, "%30d", &peer->maxforwards) != 1 + || peer->maxforwards < 1 || 255 < peer->maxforwards) { ast_log(LOG_WARNING, "'%s' is not a valid maxforwards value at line %d. Using default.\n", v->value, v->lineno); peer->maxforwards = sip_cfg.default_max_forwards; }