[svn-commits] russell: branch 1.4 r115304 - /branches/1.4/channels/chan_sip.c

SVN commits to the Digium repositories svn-commits at lists.digium.com
Mon May 5 14:49:26 CDT 2008


Author: russell
Date: Mon May  5 14:49:25 2008
New Revision: 115304

URL: http://svn.digium.com/view/asterisk?view=rev&rev=115304
Log:
Avoid putting opaque="" in Digest authentication.  This patch came from switchvox.
It fixes authentication with Primus in Canada, and has been in use for a very long
time without causing problems with any other providers.
(closes issue AST-36)

Modified:
    branches/1.4/channels/chan_sip.c

Modified: branches/1.4/channels/chan_sip.c
URL: http://svn.digium.com/view/asterisk/branches/1.4/channels/chan_sip.c?view=diff&rev=115304&r1=115303&r2=115304
==============================================================================
--- branches/1.4/channels/chan_sip.c (original)
+++ branches/1.4/channels/chan_sip.c Mon May  5 14:49:25 2008
@@ -11600,6 +11600,7 @@
 	char resp[256];
 	char resp_hash[256];
 	char uri[256];
+	char opaque[256] = "";
 	char cnonce[80];
 	const char *username;
 	const char *secret;
@@ -11648,11 +11649,17 @@
 	else
 		snprintf(resp,sizeof(resp),"%s:%s:%s", a1_hash, p->nonce, a2_hash);
 	ast_md5_hash(resp_hash, resp);
+
+	/* only include the opaque string if it's set */
+	if (!ast_strlen_zero(p->opaque)) {
+	  snprintf(opaque, sizeof(opaque), ", opaque=\"%s\"", p->opaque);
+	}
+
 	/* XXX We hard code our qop to "auth" for now.  XXX */
 	if (!ast_strlen_zero(p->qop))
-		snprintf(digest, digest_len, "Digest username=\"%s\", realm=\"%s\", algorithm=MD5, uri=\"%s\", nonce=\"%s\", response=\"%s\", opaque=\"%s\", qop=auth, cnonce=\"%s\", nc=%08x", username, p->realm, uri, p->nonce, resp_hash, p->opaque, cnonce, p->noncecount);
+		snprintf(digest, digest_len, "Digest username=\"%s\", realm=\"%s\", algorithm=MD5, uri=\"%s\", nonce=\"%s\", response=\"%s\"%s, qop=auth, cnonce=\"%s\", nc=%08x", username, p->realm, uri, p->nonce, resp_hash, opaque, cnonce, p->noncecount);
 	else
-		snprintf(digest, digest_len, "Digest username=\"%s\", realm=\"%s\", algorithm=MD5, uri=\"%s\", nonce=\"%s\", response=\"%s\", opaque=\"%s\"", username, p->realm, uri, p->nonce, resp_hash, p->opaque);
+		snprintf(digest, digest_len, "Digest username=\"%s\", realm=\"%s\", algorithm=MD5, uri=\"%s\", nonce=\"%s\", response=\"%s\"%s", username, p->realm, uri, p->nonce, resp_hash, opaque);
 
 	append_history(p, "AuthResp", "Auth response sent for %s in realm %s - nc %d", username, p->realm, p->noncecount);
 




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