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cleaned up time management. might not work for systems where time_t is not an integer.

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git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@396 96b47cad-a561-4643-ad3b-153ac7d7599c
This commit is contained in:
frankmorgner
2011-02-01 10:41:07 +00:00
parent 4ba4f120cb
commit f393e5cac2
1 changed files with 46 additions and 43 deletions
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89
npa/src/pace-tool.c
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@@ -184,7 +184,6 @@ main (int argc, char **argv)
struct sm_ctx sctx, tmpctx;
struct establish_pace_channel_input pace_input;
struct establish_pace_channel_output pace_output;
time_t t_start, t_end;
struct timeval tv;
size_t outlen;
@@ -324,15 +323,22 @@ main (int argc, char **argv)
if (dobreak) {
/* The biggest buffer sprintf could write with "%llu" */
char can_ch[strlen("18446744073709551615")+1];
unsigned long long can_nb = 0;
char secretbuf[strlen("18446744073709551615")+1];
unsigned long long secret = 0;
if (usepin) {
pace_input.pin_id = PACE_PIN;
pace_input.pin_length = 6;
if (pin) {
if (sscanf(pin, "%llu", &can_nb) != 1) {
fprintf(stderr, "PIN is not an unsigned long long.\n");
if (sscanf(pin, "%llu", &secret) != 1) {
fprintf(stderr, "%s is not an unsigned long long.\n",
pace_secret_name(pace_input.pin_id));
exit(2);
}
if (strlen(can) > pace_input.pin_length) {
fprintf(stderr, "%s too big, only %d digits allowed.\n",
pace_secret_name(pace_input.pin_id),
pace_input.pin_length);
exit(2);
}
}
@@ -340,8 +346,15 @@ main (int argc, char **argv)
pace_input.pin_id = PACE_CAN;
pace_input.pin_length = 6;
if (can) {
if (sscanf(can, "%llu", &can_nb) != 1) {
fprintf(stderr, "CAN is not an unsigned long long.\n");
if (sscanf(can, "%llu", &secret) != 1) {
fprintf(stderr, "%s is not an unsigned long long.\n",
pace_secret_name(pace_input.pin_id));
exit(2);
}
if (strlen(can) > pace_input.pin_length) {
fprintf(stderr, "%s too big, only %d digits allowed.\n",
pace_secret_name(pace_input.pin_id),
pace_input.pin_length);
exit(2);
}
}
@@ -349,8 +362,15 @@ main (int argc, char **argv)
pace_input.pin_id = PACE_PUK;
pace_input.pin_length = 10;
if (puk) {
if (sscanf(puk, "%llu", &can_nb) != 1) {
fprintf(stderr, "PUK is not an unsigned long long.\n");
if (sscanf(puk, "%llu", &secret) != 1) {
fprintf(stderr, "%s is not an unsigned long long.\n",
pace_secret_name(pace_input.pin_id));
exit(2);
}
if (strlen(puk) > pace_input.pin_length) {
fprintf(stderr, "%s too big, only %d digits allowed.\n",
pace_secret_name(pace_input.pin_id),
pace_input.pin_length);
exit(2);
}
}
@@ -360,36 +380,33 @@ main (int argc, char **argv)
exit(1);
}
pace_input.pin = can_ch;
pace_input.pin = secretbuf;
t_start = time(NULL);
do {
sprintf(can_ch, "%0*llu", pace_input.pin_length, can_nb);
if (strlen(can_ch) > pace_input.pin_length)
break;
sprintf(secretbuf, "%0*llu", pace_input.pin_length, secret);
gettimeofday(&tv, NULL);
printf("%d,%06d: Trying %s=%s\n",
printf("%u,%06u: Trying %s=%s\n",
tv.tv_sec, tv.tv_usec,
pace_secret_name(pace_input.pin_id), pace_input.pin);
i = EstablishPACEChannel(NULL, card, pace_input, &pace_output,
&sctx);
can_nb--;
} while (0 > i && can_nb > 0);
t_end = time(NULL);
secret--;
} while (0 > i && secret > 0);
gettimeofday(&tv, NULL);
if (0 > i) {
printf("%d,%06d: Tried breaking %s for %.0fs without success.\n",
printf("%u,%06u: Tried breaking %s without success.\n",
tv.tv_sec, tv.tv_usec,
pace_secret_name(pace_input.pin_id), difftime(t_end, t_start));
pace_secret_name(pace_input.pin_id));
goto err;
} else {
printf("%d,%06d: Tried breaking %s for %.0fs with success (%s=%s).\n",
printf("%u,%06u: Tried breaking %s with success (=%s).\n",
tv.tv_sec, tv.tv_usec,
pace_secret_name(pace_input.pin_id), difftime(t_end, t_start),
pace_secret_name(pace_input.pin_id), pace_input.pin);
pace_secret_name(pace_input.pin_id),
pace_input.pin);
}
}
@@ -402,14 +419,11 @@ main (int argc, char **argv)
pace_input.pin = NULL;
pace_input.pin_length = 0;
}
t_start = time(NULL);
i = EstablishPACEChannel(NULL, card, pace_input, &pace_output,
&tmpctx);
t_end = time(NULL);
if (i < 0)
goto err;
printf("Established PACE channel with CAN in %.0fs.\n",
difftime(t_end, t_start));
printf("Established PACE channel with CAN.\n");
pace_input.pin_id = PACE_PIN;
if (pin) {
@@ -419,14 +433,11 @@ main (int argc, char **argv)
pace_input.pin = NULL;
pace_input.pin_length = 0;
}
t_start = time(NULL);
i = EstablishPACEChannel(&tmpctx, card, pace_input, &pace_output,
&sctx);
t_end = time(NULL);
if (i < 0)
goto err;
printf("Established PACE channel with PIN in %.0fs. PIN resumed.\n",
difftime(t_end, t_start));
printf("Established PACE channel with PIN. PIN resumed.\n");
}
if (dounblock) {
@@ -438,14 +449,11 @@ main (int argc, char **argv)
pace_input.pin = NULL;
pace_input.pin_length = 0;
}
t_start = time(NULL);
i = EstablishPACEChannel(NULL, card, pace_input, &pace_output,
&sctx);
t_end = time(NULL);
if (i < 0)
goto err;
printf("Established PACE channel with PUK in %.0fs.\n",
difftime(t_end, t_start));
printf("Established PACE channel with PUK.\n");
i = pace_unblock_pin(&sctx, card);
if (i < 0)
@@ -462,14 +470,11 @@ main (int argc, char **argv)
pace_input.pin = NULL;
pace_input.pin_length = 0;
}
t_start = time(NULL);
i = EstablishPACEChannel(NULL, card, pace_input, &pace_output,
&sctx);
t_end = time(NULL);
if (i < 0)
goto err;
printf("Established PACE channel with PIN in %.0fs.\n",
difftime(t_end, t_start));
printf("Established PACE channel with PIN.\n");
i = pace_change_pin(&sctx, card, newpin, newpin ? strlen(newpin) : 0);
if (i < 0)
@@ -510,14 +515,12 @@ main (int argc, char **argv)
exit(1);
}
t_start = time(NULL);
i = EstablishPACEChannel(NULL, card, pace_input, &pace_output,
&sctx);
t_end = time(NULL);
if (i < 0)
goto err;
printf("Established PACE channel with %s in %.0fs.\n",
pace_secret_name(pace_input.pin_id), difftime(t_end, t_start));
printf("Established PACE channel with %s.\n",
pace_secret_name(pace_input.pin_id));
if (dotranslate) {
FILE *input;