[sr-dev] git:master:0c101ffe: core: parse uri - detect empty user when @ is found

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 0c101ffe713603e812759da6d396e0451cf13ba1
URL: https://github.com/kamailio/kamailio/commit/0c101ffe713603e812759da6d396e0451cf13ba1

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2022-03-15T08:18:03+01:00

core: parse uri - detect empty user when @ is found

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Modified: src/core/parser/parse_uri.c

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Diff:  https://github.com/kamailio/kamailio/commit/0c101ffe713603e812759da6d396e0451cf13ba1.diff
Patch: https://github.com/kamailio/kamailio/commit/0c101ffe713603e812759da6d396e0451cf13ba1.patch

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diff --git a/src/core/parser/parse_uri.c b/src/core/parser/parse_uri.c
index 19f6f2e02a..6cbf22a7c7 100644
--- a/src/core/parser/parse_uri.c
+++ b/src/core/parser/parse_uri.c
@@ -434,6 +434,10 @@ int parse_uri(char* buf, int len, struct sip_uri* uri)
 						/* found the user*/
 						uri->user.s=s;
 						uri->user.len=p-s;
+						if(uri->user.len<=0) {
+							/* at '@' and no user part */
+							goto error_bad_char;
+						}
 						state=URI_HOST;
 						found_user=1;
 						s=p+1; /* skip '@' */