diff options
author | twilson <twilson@f38db490-d61c-443f-a65b-d21fe96a405b> | 2011-01-04 17:37:26 +0000 |
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committer | twilson <twilson@f38db490-d61c-443f-a65b-d21fe96a405b> | 2011-01-04 17:37:26 +0000 |
commit | db77b780cd1d81fd83a5a111f5522fec4114a5cd (patch) | |
tree | 62aa7a23fb40c9d7e21fb0893640bd3861581c86 /channels | |
parent | ef87b06b4d3315fb8fd3a7f35a88aabca2d61ef1 (diff) |
Merged revisions 300216 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4
........
r300216 | twilson | 2011-01-04 11:11:48 -0600 (Tue, 04 Jan 2011) | 15 lines
Don't authenticate SUBSCRIBE re-transmissions
This only skips authentication on retransmissions that are already
authenticated. A similar method is already used for INVITES. This
is the kind of thing we end up having to do when we don't have a
transaction layer...
(closes issue #18075)
Reported by: mdu113
Patches:
diff.txt uploaded by twilson (license 396)
Tested by: twilson, mdu113
Review: https://reviewboard.asterisk.org/r/1005/
........
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.6.2@300298 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'channels')
-rw-r--r-- | channels/chan_sip.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 880443c0d..5636db78a 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -21445,7 +21445,7 @@ static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req, int firststate = AST_EXTENSION_REMOVED; struct sip_peer *authpeer = NULL; const char *eventheader = get_header(req, "Event"); /* Get Event package name */ - int resubscribe = (p->subscribed != NONE); + int resubscribe = (p->subscribed != NONE) && !req->ignore; char *temp, *event; if (p->initreq.headers) { @@ -21461,7 +21461,7 @@ static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req, if (resubscribe) ast_debug(1, "Got a re-subscribe on existing subscription %s\n", p->callid); else - ast_debug(1, "Got a new subscription %s (possibly with auth)\n", p->callid); + ast_debug(1, "Got a new subscription %s (possibly with auth) or retransmission\n", p->callid); } } @@ -21515,19 +21515,25 @@ static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req, } else event = (char *) eventheader; /* XXX is this legal ? */ - /* Handle authentication */ - res = check_user_full(p, req, SIP_SUBSCRIBE, e, 0, sin, &authpeer); - /* if an authentication response was sent, we are done here */ - if (res == AUTH_CHALLENGE_SENT) /* authpeer = NULL here */ - return 0; - if (res < 0) { - if (res == AUTH_FAKE_AUTH) { - ast_log(LOG_NOTICE, "Sending fake auth rejection for device %s\n", get_header(req, "From")); - transmit_fake_auth_response(p, SIP_SUBSCRIBE, req, XMIT_UNRELIABLE); - } else { - ast_log(LOG_NOTICE, "Failed to authenticate device %s for SUBSCRIBE\n", get_header(req, "From")); - transmit_response_reliable(p, "403 Forbidden", req); + /* Handle authentication if we're new and not a retransmission. We can't just + * use if !req->ignore, because then we'll end up sending + * a 200 OK if someone retransmits without sending auth */ + if (p->subscribed == NONE || resubscribe) { + res = check_user_full(p, req, SIP_SUBSCRIBE, e, 0, sin, &authpeer); + + /* if an authentication response was sent, we are done here */ + if (res == AUTH_CHALLENGE_SENT) /* authpeer = NULL here */ + return 0; + if (res < 0) { + if (res == AUTH_FAKE_AUTH) { + ast_log(LOG_NOTICE, "Sending fake auth rejection for device %s\n", get_header(req, "From")); + transmit_fake_auth_response(p, SIP_SUBSCRIBE, req, XMIT_UNRELIABLE); + } else { + ast_log(LOG_NOTICE, "Failed to authenticate device %s for SUBSCRIBE\n", get_header(req, "From")); + transmit_response_reliable(p, "403 Forbidden", req); + } } + pvt_set_needdestroy(p, "authentication failed"); return 0; } |