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malloc checks for restore

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vanhauser-thc 2021-04-15 11:35:18 +02:00
commit 0749b9be9f
1 changed files with 26 additions and 2 deletions
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28
hydra.c
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@ -226,7 +226,7 @@ char *SERVICES = "adam6500 asterisk afp cisco cisco-enable cvs firebird ftp[s] "
#define RESTOREFILE "./hydra.restore"
#define PROGRAM "Hydra"
#define VERSION "v9.2"
#define VERSION "v9.3-dev"
#define AUTHOR "van Hauser/THC"
#define EMAIL "<vh@thc.org>"
#define AUTHOR2 "David Maciejak"
@ -807,7 +807,7 @@ void hydra_restore_read() {
fprintf(stderr,
"[WARNING] restore file was created by version %c.%c, this is "
"version %s\n",
buf[0], buf[2], VERSION);
buf[0], buf[1], VERSION);
if (buf[2] != sizeof(int32_t) % 256 || buf[3] != sizeof(hydra_head *) % 256) {
fprintf(stderr, "[ERROR] restore file was created on a different, "
"incompatible processor platform!\n");
@ -883,11 +883,19 @@ void hydra_restore_read() {
printf("[DEBUG] reading restore file: Step 8 complete\n");
login_ptr = malloc(hydra_brains.sizelogin + hydra_brains.countlogin + 8);
if (!login_ptr) {
fprintf(stderr, "Error: malloc(%u) failed\n", hydra_brains.sizelogin + hydra_brains.countlogin + 8);
exit(-1);
}
fck = (int32_t)fread(login_ptr, hydra_brains.sizelogin + hydra_brains.countlogin + 8, 1, f);
if (debug)
printf("[DEBUG] reading restore file: Step 9 complete\n");
if (!check_flag(hydra_options.mode, MODE_COLON_FILE)) { // NOT colonfile mode
pass_ptr = malloc(hydra_brains.sizepass + hydra_brains.countpass + 8);
if (!pass_ptr) {
fprintf(stderr, "Error: malloc(%u) failed\n", hydra_brains.sizepass + hydra_brains.countpass + 8);
exit(-1);
}
fck = (int32_t)fread(pass_ptr, hydra_brains.sizepass + hydra_brains.countpass + 8, 1, f);
} else { // colonfile mode
hydra_options.colonfile = empty_login; // dummy
@ -897,8 +905,16 @@ void hydra_restore_read() {
printf("[DEBUG] reading restore file: Step 10 complete\n");
hydra_targets = (hydra_target **)malloc((hydra_brains.targets + 3) * sizeof(hydra_target *));
if (!hydra_targets) {
fprintf(stderr, "Error: malloc(%u) failed\n", (hydra_brains.targets + 3) * sizeof(hydra_target *));
exit(-1);
}
for (j = 0; j < hydra_brains.targets; j++) {
hydra_targets[j] = malloc(sizeof(hydra_target));
if (!hydra_targets[j]) {
fprintf(stderr, "Error: malloc(%u) failed\n", sizeof(hydra_target));
exit(-1);
}
fck = (int32_t)fread(hydra_targets[j], sizeof(hydra_target), 1, f);
sck = fgets(out, sizeof(out), f);
if (out[0] != 0 && out[strlen(out) - 1] == '\n')
@ -950,8 +966,16 @@ void hydra_restore_read() {
if (debug)
printf("[DEBUG] reading restore file: Step 11 complete\n");
hydra_heads = malloc(sizeof(hydra_head *) * hydra_options.max_use);
if (!hydra_heads) {
fprintf(stderr, "Error: malloc(%u) failed\n", sizeof(hydra_head *) * hydra_options.max_use);
exit(-1);
}
for (j = 0; j < hydra_options.max_use; j++) {
hydra_heads[j] = malloc(sizeof(hydra_head));
if (!hydra_heads[j]) {
fprintf(stderr, "Error: malloc(%u) failed\n", sizeof(hydra_head));
exit(-1);
}
fck = (int32_t)fread(hydra_heads[j], sizeof(hydra_head), 1, f);
hydra_heads[j]->sp[0] = -1;
hydra_heads[j]->sp[1] = -1;