From: Jeremy Allison <jra@samba.org>
Date: Fri, 19 Aug 2022 21:59:04 +0000 (-0700)
Subject: s3: libsmb: Add cli_dfs_is_already_full_path() function.
X-Git-Tag: talloc-2.4.0~1029
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26b4a6951b6ae2a8ba2341d64fa888fe52f6463a;p=thirdparty%2Fsamba.git

s3: libsmb: Add cli_dfs_is_already_full_path() function.

Returns true if it's already a fully qualified DFS path.

Not yet used.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Noel Power <npower@samba.org>
---

diff --git a/source3/libsmb/clidfs.c b/source3/libsmb/clidfs.c
index d8355f8058b..83e725d0abf 100644
--- a/source3/libsmb/clidfs.c
+++ b/source3/libsmb/clidfs.c
@@ -588,6 +588,46 @@ static char *cli_dfs_make_full_path(TALLOC_CTX *ctx,
 			dir);
 }
 
+/********************************************************************
+ Check if a path has already been converted to DFS.
+********************************************************************/
+
+bool cli_dfs_is_already_full_path(struct cli_state *cli, const char *path)
+{
+	const char *server = smbXcli_conn_remote_name(cli->conn);
+	size_t server_len = strlen(server);
+	bool found_server = false;
+	const char *share = cli->share;
+	size_t share_len = strlen(share);
+	bool found_share = false;
+
+	if (!IS_DIRECTORY_SEP(path[0])) {
+		return false;
+	}
+	path++;
+	found_server = (strncasecmp_m(path, server, server_len) == 0);
+	if (!found_server) {
+		return false;
+	}
+	path += server_len;
+	if (!IS_DIRECTORY_SEP(path[0])) {
+		return false;
+	}
+	path++;
+	found_share = (strncasecmp_m(path, share, share_len) == 0);
+	if (!found_share) {
+		return false;
+	}
+	path += share_len;
+	if (path[0] == '\0') {
+		return true;
+	}
+	if (IS_DIRECTORY_SEP(path[0])) {
+		return true;
+	}
+	return false;
+}
+
 /********************************************************************
  Get the dfs referral link.
 ********************************************************************/
diff --git a/source3/libsmb/proto.h b/source3/libsmb/proto.h
index df709dbb6ff..222fcafb5f4 100644
--- a/source3/libsmb/proto.h
+++ b/source3/libsmb/proto.h
@@ -135,6 +135,7 @@ NTSTATUS cli_cm_open(TALLOC_CTX *ctx,
 		     struct cli_state **pcli);
 void cli_cm_display(struct cli_state *c);
 struct client_dfs_referral;
+bool cli_dfs_is_already_full_path(struct cli_state *cli, const char *path);
 NTSTATUS cli_dfs_get_referral_ex(TALLOC_CTX *ctx,
 			struct cli_state *cli,
 			const char *path,