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Check sip.conf maxforwards parameter for range 1 <= x <= 255.

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JIRA AST-710
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Merged revisions 344715 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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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
This commit is contained in:
Richard Mudgett
2011-11-11 18:37:32 +00:00
parent 39beaff425
commit e48cecc848
1 changed files with 2 additions and 1 deletions
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3
channels/chan_sip.c
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@@ -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;
}