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Add "friendly name" extractor

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From a comment posted by GitHub user "geniuz"

Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4812)
This commit is contained in:
Rich Salz 2017-11-28 14:53:33 -05:00
parent e670e90319
commit a4cefc86c8
2 changed files with 35 additions and 3 deletions
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3
demos/pkcs12/README
View file

@ -1,3 +0,0 @@
PKCS#12 demo applications
Written by Steve Henson.

35
demos/pkcs12/pkread.c
View file

@ -15,6 +15,36 @@
/* Simple PKCS#12 file reader */
static char *find_friendly_name(PKCS12 *p12)
{
STACK_OF(PKCS7) *safes = PKCS12_unpack_authsafes(p12);
int n, m;
char *name = NULL;
PKCS7 *safe;
STACK_OF(PKCS12_SAFEBAG) *bags;
PKCS12_SAFEBAG *bag;
if ((safes = PKCS12_unpack_authsafes(p12)) == NULL)
return NULL;
for (n = 0; n < sk_PKCS7_num(safes) && name == NULL; n++) {
safe = sk_PKCS7_value(safes, n);
if (OBJ_obj2nid(safe->type) != NID_pkcs7_data
|| (bags = PKCS12_unpack_p7data(safe)) == NULL)
continue;
for (m = 0; m < sk_PKCS12_SAFEBAG_num(bags) && name == NULL; m++) {
bag = sk_PKCS12_SAFEBAG_value(bags, m);
name = PKCS12_get_friendlyname(bag);
}
sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
}
sk_PKCS7_pop_free(safes, PKCS7_free);
return name;
}
int main(int argc, char **argv)
{
FILE *fp;
@ -22,7 +52,9 @@ int main(int argc, char **argv)
X509 *cert;
STACK_OF(X509) *ca = NULL;
PKCS12 *p12;
const char *name;
int i;
if (argc != 4) {
fprintf(stderr, "Usage: pkread p12file password opfile\n");
exit(1);
@ -45,11 +77,14 @@ int main(int argc, char **argv)
ERR_print_errors_fp(stderr);
exit(1);
}
name = find_friendly_name(p12);
PKCS12_free(p12);
if ((fp = fopen(argv[3], "w")) == NULL) {
fprintf(stderr, "Error opening file %s\n", argv[1]);
exit(1);
}
if (name)
fprintf(fp, "***Friendly Name***\n%s\n", name);
if (pkey) {
fprintf(fp, "***Private Key***\n");
PEM_write_PrivateKey(fp, pkey, NULL, NULL, 0, NULL, NULL);