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only attempt to do stun handling on ipv4 or ipv4 mapped to ipv6 addresses

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Patch by: jkonieczny (modified)
ASTERISK-18490


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@344330 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Nicholson
2011-11-10 16:18:04 +00:00
parent ae5c675720
commit b4ad988a5a
1 changed files with 12 additions and 1 deletions
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13
res/res_rtp_asterisk.c
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@@ -2091,7 +2091,18 @@ static struct ast_frame *ast_rtp_read(struct ast_rtp_instance *instance, int rtc
if (!(version = (seqno & 0xC0000000) >> 30)) {
struct sockaddr_in addr_tmp;
ast_sockaddr_to_sin(&addr, &addr_tmp);
struct ast_sockaddr addr_v4;
if (ast_sockaddr_is_ipv4(&addr)) {
ast_sockaddr_to_sin(&addr, &addr_tmp);
} else if (ast_sockaddr_ipv4_mapped(&addr, &addr_v4)) {
ast_debug(1, "Using IPv6 mapped address %s for STUN\n",
ast_sockaddr_stringify(&addr));
ast_sockaddr_to_sin(&addr_v4, &addr_tmp);
} else {
ast_debug(1, "Cannot do STUN for non IPv4 address %s\n",
ast_sockaddr_stringify(&addr));
return &ast_null_frame;
}
if ((ast_stun_handle_packet(rtp->s, &addr_tmp, rtp->rawdata + AST_FRIENDLY_OFFSET, res, NULL, NULL) == AST_STUN_ACCEPT) &&
ast_sockaddr_isnull(&remote_address)) {
ast_sockaddr_from_sin(&addr, &addr_tmp);