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This commit is contained in:
Zhi Guan
2022-05-23 21:00:14 +08:00
parent 139f743f98
commit 11c526b053
21 changed files with 856 additions and 698 deletions
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63
tools/rand.c
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@@ -47,22 +47,25 @@
*/
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <gmssl/mem.h>
#include <gmssl/rand.h>
#include <gmssl/error.h>
static const char *options = "[-hex] [-rdrand] -outlen num";
static const char *options = "[-hex] [-rdrand] -outlen num [-out file]";
int rand_main(int argc, char **argv)
{
int ret = -1;
int ret = 1;
char *prog = argv[0];
int hex = 0;
int rdrand = 0;
int outlen = 0;
char *outfile = NULL;
FILE *outfp = stdout;
uint8_t buf[2048];
int i;
@@ -76,25 +79,33 @@ int rand_main(int argc, char **argv)
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
fprintf(stderr, "usage: %s %s\n", prog, options);
return 1;
printf("usage: %s %s\n", prog, options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-hex")) {
hex = 1;
} else if (!strcmp(*argv, "-rdrand")) {
// rdrand = 1; // FIXME: CMakeList.txt should be updated to support this option
rdrand = 1;
} else if (!strcmp(*argv, "-outlen")) {
if (--argc < 1) goto bad;
outlen = atoi(*(++argv));
if (outlen < 1 || outlen > INT_MAX) {
error_print();
return 1;
fprintf(stderr, "%s: invalid outlen\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "w"))) {
fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
return 1;
goto end;
bad:
fprintf(stderr, "%s: invalid option argument\n", prog);
return 1;
fprintf(stderr, "%s: '%s' option value missing\n", prog, *argv);
goto end;
}
argc--;
@@ -102,8 +113,8 @@ bad:
}
if (!outlen) {
error_print();
return 1;
fprintf(stderr, "%s: option -outlen missing\n", prog);
goto end;
}
while (outlen) {
@@ -112,32 +123,36 @@ bad:
if (rdrand) {
/*
if (rdrand_bytes(buf, len) != 1) {
error_print();
return 1;
fprintf(stderr, "%s: inner error\n", prog);
goto end;
}
*/
} else {
if (rand_bytes(buf, len) != 1) {
error_print();
return -1;
fprintf(stderr, "%s: inner error\n", prog);
goto end;
}
}
if (hex) {
int i;
for (i = 0; i < len; i++) {
fprintf(stdout, "%02X", buf[i]);
fprintf(outfp, "%02X", buf[i]);
}
} else {
fwrite(buf, 1, len, stdout);
if (fwrite(buf, 1, len, outfp) != len) {
fprintf(stderr, "%s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
outlen -= len;
}
if (hex) {
fprintf(stdout, "\n");
fprintf(outfp, "\n");
}
return 0;
ret = 0;
end:
gmssl_secure_clear(buf, sizeof(buf));
if (outfile && outfp) fclose(outfp);
return ret;
}