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Make verifing detached signatures easier

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This commit is contained in:
Love Hornquist Astrand
2009-08-20 16:27:25 -07:00
parent e3da85a4ab
commit 27b8565d5f
1 changed files with 41 additions and 9 deletions
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50
lib/hx509/hxtool.c
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@@ -145,18 +145,28 @@ peer_strings(hx509_context context,
*
*/
struct pem_data {
heim_octet_string *os;
int detached_data;
};
static int
pem_reader(hx509_context context, const char *type,
const hx509_pem_header *headers,
const void *data , size_t length, void *ctx)
{
heim_octet_string *c = (heim_octet_string *)ctx;
struct pem_data *p = (struct pem_data *)ctx;
const char *h;
c->data = malloc(length);
if (c->data == NULL)
p->os->data = malloc(length);
if (p->os->data == NULL)
return ENOMEM;
memcpy(c->data, data, length);
c->length = length;
memcpy(p->os->data, data, length);
p->os->length = length;
h = hx509_pem_find_header(headers, "Content-disposition");
if (h && strcasecmp(h, "detached") == 0)
p->detached_data = 1;
return 0;
}
@@ -201,16 +211,36 @@ cms_verify_sd(struct cms_verify_sd_options *opt, int argc, char **argv)
certs_strings(context, "store", store, lock, &opt->certificate_strings);
if (opt->pem_flag) {
struct pem_data p;
FILE *f;
p.os = &co;
p.detached_data = 0;
f = fopen(argv[0], "r");
if (f == NULL)
err(1, "Failed to open file %s", argv[0]);
ret = hx509_pem_read(context, f, pem_reader, &co);
ret = hx509_pem_read(context, f, pem_reader, &p);
fclose(f);
if (ret)
errx(1, "PEM reader failed: %d", ret);
if (p.detached_data && opt->signed_content_string == NULL) {
char *r = strrchr(argv[0], '.');
if (r && strcasecmp(r, ".pem") == 0) {
char *s = strdup(argv[0]);
if (s == NULL)
errx(1, "malloc: out of memory");
s[r - argv[0]] = '\0';
ret = _hx509_map_file_os(s, &signeddata);
if (ret)
errx(1, "map_file: %s: %d", s, ret);
free(s);
sd = &signeddata;
}
}
} else {
ret = rk_undumpdata(argv[0], &p, &sz);
if (ret)
@@ -284,9 +314,11 @@ cms_verify_sd(struct cms_verify_sd_options *opt, int argc, char **argv)
hx509_lock_free(lock);
ret = _hx509_write_file(argv[1], c.data, c.length);
if (ret)
errx(1, "hx509_write_file: %d", ret);
if (argc > 1) {
ret = _hx509_write_file(argv[1], c.data, c.length);
if (ret)
errx(1, "hx509_write_file: %d", ret);
}
der_free_octet_string(&c);