ExternalVendorCode/AFLplusplus
1
0
Fork 0
mirror of https://github.com/AFLplusplus/AFLplusplus.git synced 2025-06-14 11:08:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Seperate fuzzer_setup from fuzzer_stats, only write fuzzer_setup at the start

Browse Source
This commit is contained in:
Thomas Rooijakkers
2020-09-04 15:46:46 +02:00
parent e45ae8e5da
commit 6adaacbb3a
3 changed files with 74 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

95
src/afl-fuzz-stats.c
View File

@ -27,6 +27,69 @@
#include "envs.h"
#include <limits.h>
/* Open file for writing */
FILE *open_file(const char *fn) {
s32 fd;
FILE *f;
fd = open(fn, O_WRONLY | O_CREAT | O_TRUNC, 0600);
if (fd < 0) { PFATAL("Unable to create '%s'", fn); }
f = fdopen(fd, "w");
if (!f) { PFATAL("fdopen() failed"); }
return f;
}
/* Write fuzzer setup file */
void write_fuzzer_setup_file(afl_state_t *afl) {
u8 fn[PATH_MAX];
FILE *f;
snprintf(fn, PATH_MAX, "%s/fuzzer_setup", afl->out_dir);
f = open_file(fn);
char * val;
uint32_t i = 0;
uint32_t s_afl_env =
sizeof(afl_environment_variables) / sizeof(afl_environment_variables[0]) -
1;
uint32_t max_len = 0;
uint32_t cur_len = 0;
for (i = 0; i < s_afl_env; i++) {
if ((val = getenv(afl_environment_variables[i])) != NULL) {
cur_len = strlen(afl_environment_variables[i]);
max_len = cur_len > max_len ? cur_len : max_len;
}
}
for (i = 0; i < s_afl_env; i++) {
if ((val = getenv(afl_environment_variables[i])) != NULL) {
fprintf(f, "%*.*s : %s\n", -max_len, strlen(afl_environment_variables[i]),
afl_environment_variables[i], val);
}
}
fclose(f);
}
/* Update stats file for unattended monitoring. */
void write_stats_file(afl_state_t *afl, double bitmap_cvg, double stability,
@ -37,20 +100,12 @@ void write_stats_file(afl_state_t *afl, double bitmap_cvg, double stability,
#endif
unsigned long long int cur_time = get_cur_time();
u8 fn[PATH_MAX];
s32 fd;
FILE * f;
u32 t_bytes = count_non_255_bytes(afl, afl->virgin_bits);
u8 fn[PATH_MAX];
FILE * f;
snprintf(fn, PATH_MAX, "%s/fuzzer_stats", afl->out_dir);
fd = open(fn, O_WRONLY | O_CREAT | O_TRUNC, 0600);
if (fd < 0) { PFATAL("Unable to create '%s'", fn); }
f = fdopen(fd, "w");
if (!f) { PFATAL("fdopen() failed"); }
f = open_file(fn);
/* Keep last values in case we're called from another context
where exec/sec stats and such are not readily available. */
@ -165,27 +220,11 @@ void write_stats_file(afl_state_t *afl, double bitmap_cvg, double stability,
: "default",
afl->orig_cmdline);
char * val;
uint32_t i = 0;
uint32_t s_afl_env =
sizeof(afl_environment_variables) / sizeof(afl_environment_variables[0]) -
1;
for (i = 0; i < s_afl_env; i++) {
if ((val = get_afl_env(afl_environment_variables[i])) != NULL) {
fprintf(f, "%-18.*s: %s\n", strlen(afl_environment_variables[i]),
afl_environment_variables[i], val);
}
}
/* ignore errors */
if (afl->debug) {
uint32_t i = 0;
fprintf(f, "virgin_bytes :");
for (i = 0; i < afl->fsrv.map_size; i++) {