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Support multiple values on the command line

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This commit is contained in:
Gilles Peskine 2018-09-25 18:27:53 +02:00 committed by Darryl Green
parent 43bafcca94
commit 567840e335
1 changed files with 56 additions and 25 deletions
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81
programs/psa/psa_constant_names.c
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@ -138,7 +138,7 @@ static int psa_snprint_ecc_curve(char *buffer, size_t buffer_size,
static void usage(const char *program_name) static void usage(const char *program_name)
{ {
printf("Usage: %s TYPE VALUE\n", printf("Usage: %s TYPE VALUE [VALUE...]\n",
program_name == NULL ? "psa_constant_names" : program_name); program_name == NULL ? "psa_constant_names" : program_name);
printf("Print the symbolic name whose numerical value is VALUE in TYPE.\n"); printf("Print the symbolic name whose numerical value is VALUE in TYPE.\n");
printf("Supported types (with = between aliases):\n"); printf("Supported types (with = between aliases):\n");
@ -149,11 +149,18 @@ static void usage(const char *program_name)
printf(" error=status Status code (psa_status_t)\n"); printf(" error=status Status code (psa_status_t)\n");
} }
typedef enum {
TYPE_STATUS,
TYPE_ALGORITHM,
TYPE_ECC_CURVE,
TYPE_KEY_TYPE,
TYPE_KEY_USAGE,
} value_type;
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
char buffer[200]; value_type type;
unsigned long value; int i;
char *end;
if (argc <= 1 || if (argc <= 1 ||
!strcmp(argv[1], "help") || !strcmp(argv[1], "help") ||
@ -162,31 +169,55 @@ int main(int argc, char *argv[])
usage(argv[0]); usage(argv[0]);
return EXIT_FAILURE; return EXIT_FAILURE;
} }
if (argc != 3) {
usage(argv[0]);
return EXIT_FAILURE;
}
value = strtoul(argv[2], &end, 0);
if (*end) {
printf("Non-numeric value: %s\n", argv[2]);
return EXIT_FAILURE;
}
if (!strcmp(argv[1], "error") || !strcmp(argv[1], "status")) if (!strcmp(argv[1], "error") || !strcmp(argv[1], "status")) {
psa_snprint_status(buffer, sizeof(buffer), (psa_status_t) value); type = TYPE_STATUS;
else if (!strcmp(argv[1], "alg") || !strcmp(argv[1], "algorithm")) } else if (!strcmp(argv[1], "alg") || !strcmp(argv[1], "algorithm")) {
psa_snprint_algorithm(buffer, sizeof(buffer), (psa_algorithm_t) value); type = TYPE_ALGORITHM;
else if (!strcmp(argv[1], "curve") || !strcmp(argv[1], "ecc_curve")) } else if (!strcmp(argv[1], "curve") || !strcmp(argv[1], "ecc_curve")) {
psa_snprint_ecc_curve(buffer, sizeof(buffer), (psa_ecc_curve_t) value); type = TYPE_ECC_CURVE;
else if (!strcmp(argv[1], "type") || !strcmp(argv[1], "key_type")) } else if (!strcmp(argv[1], "type") || !strcmp(argv[1], "key_type")) {
psa_snprint_key_type(buffer, sizeof(buffer), (psa_key_type_t) value); type = TYPE_KEY_TYPE;
else if (!strcmp(argv[1], "usage") || !strcmp(argv[1], "key_usage")) } else if (!strcmp(argv[1], "usage") || !strcmp(argv[1], "key_usage")) {
psa_snprint_key_usage(buffer, sizeof(buffer), (psa_key_usage_t) value); type = TYPE_KEY_USAGE;
else { } else {
printf("Unknown type: %s\n", argv[1]); printf("Unknown type: %s\n", argv[1]);
return EXIT_FAILURE; return EXIT_FAILURE;
} }
puts(buffer); for (i = 2; i < argc; i++) {
char buffer[200];
char *end;
unsigned long value = strtoul(argv[i], &end, 0);
if (*end) {
printf("Non-numeric value: %s\n", argv[i]);
return EXIT_FAILURE;
}
switch (type) {
case TYPE_STATUS:
psa_snprint_status(buffer, sizeof(buffer),
(psa_status_t) value);
break;
case TYPE_ALGORITHM:
psa_snprint_algorithm(buffer, sizeof(buffer),
(psa_algorithm_t) value);
break;
case TYPE_ECC_CURVE:
psa_snprint_ecc_curve(buffer, sizeof(buffer),
(psa_ecc_curve_t) value);
break;
case TYPE_KEY_TYPE:
psa_snprint_key_type(buffer, sizeof(buffer),
(psa_key_type_t) value);
break;
case TYPE_KEY_USAGE:
psa_snprint_key_usage(buffer, sizeof(buffer),
(psa_key_usage_t) value);
break;
}
puts(buffer);
}
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }