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authorJacob Erlbeck <jerlbeck@sysmocom.de>2013-08-06 14:29:14 +0200
committerHolger Hans Peter Freyther <holger@moiji-mobile.com>2013-08-06 14:56:30 +0200
commitae15a2cac1a01e98e34b4ccd8932ae8f1b99186c (patch)
tree802d601560c648b886bcca545fbc17846c94ef46 /tests/vty/vty_test.c
parenta652abc5bf75435ba7f1c96ed914cf5805fc326f (diff)
vty: Fix misusage of snprintf in vty/utils.c
Compiled with ubuntu 1204 (precise), where -Wformat-security is enabled by -Wall. Test yields ok, but the current implementation doesn't properly support multi-character separators and end strings. So the test output is truncated. Addresses: utils.c: In function 'vty_cmd_string_from_valstr': utils.c:84:2: warning: format not a string literal and no format arguments [-Wformat-security] utils.c:84:2: warning: format not a string literal and no format arguments [-Wformat-security] utils.c:108:2: warning: format not a string literal and no format arguments [-Wformat-security] utils.c:108:2: warning: format not a string literal and no format arguments [-Wformat-security]
Diffstat (limited to 'tests/vty/vty_test.c')
-rw-r--r--tests/vty/vty_test.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/tests/vty/vty_test.c b/tests/vty/vty_test.c
new file mode 100644
index 0000000..2a9be84
--- /dev/null
+++ b/tests/vty/vty_test.c
@@ -0,0 +1,52 @@
+/* (C) 2013 by Jacob Erlbeck <jerlbeck@sysmocom.de>
+ * All Rights Reserved
+ *
+ * This program is iree software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/vty/misc.h>
+
+static void test_cmd_string_from_valstr(void)
+{
+ char *cmd;
+ const struct value_string printf_seq_vs[] = {
+ { .value = 42, .str = "[foo%s%s%s%s%s]"},
+ { .value = 43, .str = "[bar%s%s%s%s%s]"},
+ { .value = 0, .str = NULL}
+ };
+
+ printf("Going to test vty_cmd_string_from_valstr()\n");
+
+ /* check against character strings that could break printf */
+
+ cmd = vty_cmd_string_from_valstr (NULL, printf_seq_vs, "[prefix%s%s%s%s%s]", "[sep%s%s%s%s%s]", "[end%s%s%s%s%s]", 1);
+ printf ("Tested with %%s-strings, resulting cmd = '%s'\n", cmd);
+ talloc_free (cmd);
+}
+
+int main(int argc, char **argv)
+{
+ test_cmd_string_from_valstr();
+ printf("All tests passed\n");
+
+ return 0;
+}