Created
February 11, 2017 02:44
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Fuzzing test cases for GRegex/posix regexps
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/* | |
$ gcc $(pkg-config --cflags glib-2.0) -lpthread gregex.c libglib-2.0.a libpcre.a -o gregex | |
$ echo -n 'pattern\ntext' | ./gregex | |
*/ | |
#include <glib.h> | |
#include <string.h> | |
int main() { | |
GRegex *preg; | |
GMatchInfo *match_info; | |
char *str; | |
char *p; | |
if (!g_file_get_contents("/dev/stdin", &str, NULL, NULL)) { | |
return 1; | |
} | |
if (!(p = strchr(str, '\n')) || p == str || !p[1]) { | |
return 2; | |
} | |
*p = 0; | |
GRegexCompileFlags flags = 0; //G_REGEX_OPTIMIZE; | |
if (!g_utf8_validate(str, -1, NULL)) { | |
g_print("invalid utf8\n"); | |
flags |= G_REGEX_RAW; | |
} | |
if (!g_utf8_validate(p + 1, -1, NULL)) { | |
g_print("invalid utf8 in text\n"); | |
flags |= G_REGEX_RAW; | |
} | |
if (!(preg = g_regex_new(str, flags, 0, NULL))) { | |
return 3; | |
} | |
if (!g_regex_match(preg, p + 1, 0, &match_info)) { | |
return 4; | |
} | |
while (g_match_info_matches(match_info)) { | |
gchar *word = g_match_info_fetch(match_info, 0); | |
g_print("Found: %s\n", word); | |
g_free(word); | |
g_match_info_next(match_info, NULL); | |
} | |
g_match_info_free(match_info); | |
g_regex_unref(preg); | |
g_free(str); | |
return 0; | |
} |
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/* | |
$ gcc $(pkg-config --cflags glib-2.0) -lpthread posix.c libglib-2.0.a -o posix | |
$ echo -n 'pattern\ntext' | ./posix | |
*/ | |
#include <glib.h> | |
#include <regex.h> | |
#include <string.h> | |
#include <locale.h> | |
int main() { | |
regex_t preg; | |
char *str; | |
char *p; | |
setlocale(LC_ALL, ""); | |
if (!g_file_get_contents("/dev/stdin", &str, NULL, NULL)) { | |
return 1; | |
} | |
if (!(p = strchr(str, '\n')) || p == str || !p[1]) { | |
return 2; | |
} | |
*p = 0; | |
int flags = REG_EXTENDED | REG_NOSUB; | |
if (regcomp(&preg, str, flags) != 0) { | |
return 3; | |
} | |
if (regexec(&preg, p + 1, 0, NULL, 0) != 0) { | |
return 4; | |
} | |
regfree(&preg); | |
g_free(str); | |
return 0; | |
} |
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