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Merged revisions 62691 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.2

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r62691 | tilghman | 2007-05-02 12:38:16 -0500 (Wed, 02 May 2007) | 4 lines

Issue 9638 - if a text frame is sent with no terminating NULL through a bridged
IAX connection, the remote end will receive garbage characters tacked onto the
end.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@62692 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2007-05-02 17:43:48 +00:00
parent 55f4eb3e3d
commit 8bcfcfca88
1 changed files with 7 additions and 0 deletions
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channels/chan_iax2.c
+7
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@@ -6570,6 +6570,13 @@ static int socket_process(struct iax2_thread *thread)
ast_mutex_unlock(&iaxsl[fr->callno]);
return 1;
}
/* Ensure text frames are NULL-terminated */
if (f.frametype == AST_FRAME_TEXT && thread->buf[res - 1] != '\0') {
if (res < sizeof(thread->buf))
thread->buf[res++] = '\0';
else /* Trims one character from the text message, but that's better than overwriting the end of the buffer. */
thread->buf[res - 1] = '\0';
}
f.datalen = res - sizeof(*fh);
/* Handle implicit ACKing unless this is an INVAL, and only if this is