Handle munged dial string. Patch from Aur?lien Degr?mont <adegremont@idealx.com>

with memory leak fixes by me.
Jeremy.
(This used to be commit daceed37387c517b3f0ab9c173f419215e3d676b)

2 files changed, 35 insertions, 5 deletions

diff --git a/source3/rpc_parse/parse_misc.c b/source3/rpc_parse/parse_misc.c
index a075dbd833..b0144c2c89 100644
--- a/source3/rpc_parse/parse_misc.c
+++ b/source3/rpc_parse/parse_misc.c
@@ -1029,6 +1029,27 @@ void init_unistr2_from_unistr(UNISTR2 *to, const UNISTR *from)
 }
 
 /*******************************************************************
+  Inits a UNISTR2 structure from a DATA_BLOB.
+  The length of the data_blob must count the bytes of the buffer.
+  Copies the blob data.
+********************************************************************/
+
+void init_unistr2_from_datablob(UNISTR2 *str, DATA_BLOB *blob) 
+{
+	/* Allocs the unistring */
+	init_unistr2(str, NULL, UNI_FLAGS_NONE);
+	
+	/* Sets the values */
+	str->uni_str_len = blob->length / sizeof(uint16);
+	str->uni_max_len = str->uni_str_len;
+	str->offset = 0;
+	str->buffer = (uint16 *) memdup(blob->data, blob->length);
+	if (!str->buffer) {
+		smb_panic("init_unistr2_from_datablob: malloc fail\n");
+	}
+}
+
+/*******************************************************************
  Reads or writes a UNISTR2 structure.
  XXXX NOTE: UNISTR2 structures need NOT be null-terminated.
    the uni_str_len member tells you how long the string is;
diff --git a/source3/rpc_parse/parse_samr.c b/source3/rpc_parse/parse_samr.c
index 939b652a1e..73107f8f61 100644
--- a/source3/rpc_parse/parse_samr.c
+++ b/source3/rpc_parse/parse_samr.c
@@ -5485,6 +5485,8 @@ void init_sam_user_info23A(SAM_USER_INFO_23 * usr, NTTIME * logon_time,	/* all z
 			   LOGON_HRS * hrs, uint16 bad_password_count, uint16 logon_count,
 			   char newpass[516], uint32 unknown_6)
 {
+	DATA_BLOB blob = base64_decode_data_blob(mung_dial);
+	
 	usr->logon_time = *logon_time;	/* all zeros */
 	usr->logoff_time = *logoff_time;	/* all zeros */
 	usr->kickoff_time = *kickoff_time;	/* all zeros */
@@ -5544,9 +5546,11 @@ void init_sam_user_info23A(SAM_USER_INFO_23 * usr, NTTIME * logon_time,	/* all z
 	init_unistr2(&usr->uni_unknown_str, unk_str, UNI_FLAGS_NONE);
 	init_uni_hdr(&usr->hdr_unknown_str, &usr->uni_unknown_str);
 
-	init_unistr2(&usr->uni_munged_dial, mung_dial, UNI_FLAGS_NONE);
+	init_unistr2_from_datablob(&usr->uni_munged_dial, &blob);
 	init_uni_hdr(&usr->hdr_munged_dial, &usr->uni_munged_dial);
 
+	data_blob_free(&blob);
+	
 	usr->unknown_6 = unknown_6;	/* 0x0000 04ec */
 	usr->padding4 = 0;
 
@@ -5934,6 +5938,7 @@ NTSTATUS init_sam_user_info21A(SAM_USER_INFO_21 *usr, SAM_ACCOUNT *pw, DOM_SID *
 	const char*		description = pdb_get_acct_desc(pw);
 	const char*		workstations = pdb_get_workstations(pw);
 	const char*		munged_dial = pdb_get_munged_dial(pw);
+	DATA_BLOB blob = base64_decode_data_blob(munged_dial);
 
 	uint32 user_rid;
 	const DOM_SID *user_sid;
@@ -5970,6 +5975,7 @@ NTSTATUS init_sam_user_info21A(SAM_USER_INFO_21 *usr, SAM_ACCOUNT *pw, DOM_SID *
 			  user_name, 
 			  sid_to_string(user_sid_string, user_sid),
 			  sid_to_string(domain_sid_string, domain_sid)));
+		data_blob_free(&blob);
 		return NT_STATUS_UNSUCCESSFUL;
 	}
 
@@ -5983,6 +5989,7 @@ NTSTATUS init_sam_user_info21A(SAM_USER_INFO_21 *usr, SAM_ACCOUNT *pw, DOM_SID *
 			  user_name, 
 			  sid_to_string(group_sid_string, group_sid),
 			  sid_to_string(domain_sid_string, domain_sid)));
+		data_blob_free(&blob);
 		return NT_STATUS_UNSUCCESSFUL;
 	}
 
@@ -6042,8 +6049,9 @@ NTSTATUS init_sam_user_info21A(SAM_USER_INFO_21 *usr, SAM_ACCOUNT *pw, DOM_SID *
 	init_unistr2(&usr->uni_unknown_str, NULL, UNI_STR_TERMINATE);
 	init_uni_hdr(&usr->hdr_unknown_str, &usr->uni_unknown_str);
 
-	init_unistr2(&usr->uni_munged_dial, munged_dial, UNI_STR_TERMINATE);
+	init_unistr2_from_datablob(&usr->uni_munged_dial, &blob);
 	init_uni_hdr(&usr->hdr_munged_dial, &usr->uni_munged_dial);
+	data_blob_free(&blob);
 
 	usr->unknown_6 = pdb_get_unknown_6(pw);
 	usr->padding4 = 0;
@@ -6184,10 +6192,11 @@ static BOOL sam_io_user_info21(const char *desc, SAM_USER_INFO_21 * usr,
 void init_sam_user_info20A(SAM_USER_INFO_20 *usr, SAM_ACCOUNT *pw)
 {
 	const char *munged_dial = pdb_get_munged_dial(pw);
-
-	init_unistr2(&usr->uni_munged_dial, munged_dial, UNI_STR_TERMINATE);
+	DATA_BLOB blob = base64_decode_data_blob(munged_dial);
+	
+	init_unistr2_from_datablob(&usr->uni_munged_dial, &blob);
 	init_uni_hdr(&usr->hdr_munged_dial, &usr->uni_munged_dial);
-
+	data_blob_free(&blob);
 }
 
 /*******************************************************************