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properly handle signed integer input

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.0@45336 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2006-10-17 17:57:36 +00:00
parent e132aba5c9
commit 63046de1cb
1 changed files with 4 additions and 0 deletions
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4
channels/chan_skinny.c
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@@ -2305,6 +2305,10 @@ static int get_input(struct skinnysession *s)
return -1; return -1;
} }
dlen = *(int *)s->inbuf; dlen = *(int *)s->inbuf;
if (dlen < 0) {
ast_log(LOG_WARNING, "Skinny Client sent invalid data.\n");
return -1;
}
if (dlen+8 > sizeof(s->inbuf)) if (dlen+8 > sizeof(s->inbuf))
dlen = sizeof(s->inbuf) - 8; dlen = sizeof(s->inbuf) - 8;
res = read(s->fd, s->inbuf+4, dlen+4); res = read(s->fd, s->inbuf+4, dlen+4);