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fuzzing: Test URI parsing with and without the strict flag

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This should test a few more code paths.

Signed-off-by: Philip Withnall <withnall@endlessm.com>
This commit is contained in:
Philip Withnall 2020-06-30 11:10:51 +01:00
parent 0bf12c8bfa
commit 39f8aff8f5
1 changed files with 20 additions and 12 deletions
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32
fuzzing/fuzz_uri_parse.c
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@ -1,30 +1,38 @@
#include "fuzz.h" #include "fuzz.h"
int static void
LLVMFuzzerTestOneInput (const unsigned char *data, size_t size) test_with_flags (const gchar *data,
GUriFlags flags)
{ {
unsigned char *nul_terminated_data = NULL;
GUri *uri = NULL; GUri *uri = NULL;
gchar *uri_string = NULL; gchar *uri_string = NULL;
const GUriFlags flags = G_URI_FLAGS_NONE;
fuzz_set_logging_func (); uri = g_uri_parse (data, flags, NULL);
/* ignore @size (g_uri_parse() doesn’t support it); ensure @data is nul-terminated */
nul_terminated_data = (unsigned char *) g_strndup ((const gchar *) data, size);
uri = g_uri_parse ((const gchar *) nul_terminated_data, flags, NULL);
g_free (nul_terminated_data);
if (uri == NULL) if (uri == NULL)
return 0; return;
uri_string = g_uri_to_string (uri); uri_string = g_uri_to_string (uri);
g_uri_unref (uri); g_uri_unref (uri);
if (uri_string == NULL) if (uri_string == NULL)
return 0; return;
g_free (uri_string); g_free (uri_string);
}
int
LLVMFuzzerTestOneInput (const unsigned char *data, size_t size)
{
unsigned char *nul_terminated_data = NULL;
fuzz_set_logging_func ();
/* ignore @size (g_uri_parse() doesn’t support it); ensure @data is nul-terminated */
nul_terminated_data = (unsigned char *) g_strndup ((const gchar *) data, size);
test_with_flags ((const gchar *) nul_terminated_data, G_URI_FLAGS_NONE);
test_with_flags ((const gchar *) nul_terminated_data, G_URI_FLAGS_PARSE_STRICT);
g_free (nul_terminated_data);
return 0; return 0;
} }