[sr-dev] git:master:0e0bdbf8: ims_registrar_scscf: use xmlParseMemory instead of xmlParseDoc

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 0e0bdbf83c7f20bf1814fb58232f8c25e29dd94d
URL: https://github.com/kamailio/kamailio/commit/0e0bdbf83c7f20bf1814fb58232f8c25e29dd94d

Author: Kristiyan Peychev <kristiyan.peychev at flolive.net>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2022-03-11T10:27:56+01:00

ims_registrar_scscf: use xmlParseMemory instead of xmlParseDoc

Fix issues where a non-zero terminated string would get passed to `parse_user_data`.

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Modified: src/modules/ims_registrar_scscf/userdata_parser.c

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Diff:  https://github.com/kamailio/kamailio/commit/0e0bdbf83c7f20bf1814fb58232f8c25e29dd94d.diff
Patch: https://github.com/kamailio/kamailio/commit/0e0bdbf83c7f20bf1814fb58232f8c25e29dd94d.patch

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diff --git a/src/modules/ims_registrar_scscf/userdata_parser.c b/src/modules/ims_registrar_scscf/userdata_parser.c
index 4880f0289c..d8b08b5491 100644
--- a/src/modules/ims_registrar_scscf/userdata_parser.c
+++ b/src/modules/ims_registrar_scscf/userdata_parser.c
@@ -916,7 +916,7 @@ static ims_subscription* parse_ims_subscription(xmlDocPtr doc, xmlNodePtr root)
 
 /**
  * Parses the user data XML and copies data into a new ims_subscription structure.
- * @param xml - the input xml (NB must be null terminated)
+ * @param xml - the input xml
  * @returns the ims_subscription* on success or NULL on error
  */
 ims_subscription *parse_user_data(str xml)
@@ -927,7 +927,7 @@ ims_subscription *parse_user_data(str xml)
 	if (!ctxtInit) parser_init(scscf_user_data_dtd,scscf_user_data_xsd);	
 	doc=0;
 	
-	doc = xmlParseDoc((unsigned char *)xml.s);
+	doc = xmlParseMemory((unsigned char *)xml.s, xml.len);
 	if (!doc){
 		LM_ERR("This is not a valid XML <%.*s>\n", xml.len,xml.s);
 		goto error;