static bool quiet;
+/*
+ * ucert structure
+ * | BLOB |
+ * | SIGNATURE | PAYLOAD |
+ * | |[ BLOBMSG CONTAINER ]|
+ * | |[[T,i,v,e,f,pubkey ]]|
+ */
enum cert_attr {
CERT_ATTR_SIGNATURE,
CERT_ATTR_PAYLOAD,
[CERT_PL_ATTR_KEY_FINGERPRINT] = { .name = "fingerprint", .type = BLOBMSG_TYPE_STRING },
};
+/* list to store certificate chain at runtime */
struct cert_object {
struct list_head list;
struct blob_attr *cert[CERT_ATTR_MAX];
};
+/* write buffer to file */
static int write_file(const char *filename, void *buf, size_t len, bool append) {
FILE *f;
size_t outlen;
return (outlen == len);
}
+/* load certfile into list */
static int cert_load(const char *certfile, struct list_head *chain) {
FILE *f;
struct blob_attr *certtb[CERT_ATTR_MAX];
return (ret <= 0);
}
+/* append signature to certfile */
static int cert_append(const char *certfile, const char *sigfile) {
FILE *fs;
char filebuf[CERT_BUF_LEN];
return ret;
}
+/* verify the signature of a single chain element */
static int cert_verify_blob(struct blob_attr *cert[CERT_ATTR_MAX],
const char *pubkeyfile, const char *pubkeydir) {
int i;
return ret;
}
+/* verify cert chain (and message) */
static int chain_verify(const char *msgfile, const char *pubkeyfile,
const char *pubkeydir, struct list_head *chain) {
struct cert_object *cobj;
return ret | checkmsg;
}
+/* dump single chain element to console */
static void cert_dump_blob(struct blob_attr *cert[CERT_ATTR_MAX]) {
int i;
}
}
+/* dump certfile to console */
static int cert_dump(const char *certfile) {
struct cert_object *cobj;
static LIST_HEAD(certchain);
return 0;
}
+/* issue an auth certificate for pubkey */
static int cert_issue(const char *certfile, const char *pubkeyfile, const char *seckeyfile) {
struct blob_buf certbuf;
struct blob_buf payloadbuf;
return 0;
}
+/* process revoker certificate */
static int cert_process_revoker(const char *certfile, const char *pubkeydir) {
static LIST_HEAD(certchain);
struct cert_object *cobj;
return ret;
}
+/* load and verify certfile (and message) */
static int cert_verify(const char *certfile, const char *pubkeyfile, const char *pubkeydir, const char *msgfile) {
static LIST_HEAD(certchain);
return chain_verify(msgfile, pubkeyfile, pubkeydir, &certchain);
}
+/* output help */
static int usage(const char *cmd)
{
fprintf(stderr,
return 1;
}
+/* parse command line options and call functions */
int main(int argc, char *argv[]) {
int ch;
const char *msgfile = NULL;
while ((ch = getopt(argc, argv, "ADIRVc:m:p:P:qs:x:")) != -1) {
switch (ch) {
case 'A':
+ if (cmd != CMD_NONE)
+ return usage(argv[0]);
cmd = CMD_APPEND;
break;
case 'D':
+ if (cmd != CMD_NONE)
+ return usage(argv[0]);
cmd = CMD_DUMP;
break;
case 'I':
+ if (cmd != CMD_NONE)
+ return usage(argv[0]);
cmd = CMD_ISSUE;
break;
case 'R':
+ if (cmd != CMD_NONE)
+ return usage(argv[0]);
cmd = CMD_REVOKE;
break;
case 'V':
+ if (cmd != CMD_NONE)
+ return usage(argv[0]);
cmd = CMD_VERIFY;
break;
case 'c':
+ if (certfile || cmd == CMD_NONE)
+ return usage(argv[0]);
certfile = optarg;
break;
case 'm':
+ if (msgfile || cmd != CMD_VERIFY)
+ return usage(argv[0]);
msgfile = optarg;
break;
case 'p':
+ if (pubkeyfile || (cmd != CMD_VERIFY && cmd != CMD_ISSUE) || cmd == CMD_NONE)
+ return usage(argv[0]);
pubkeyfile = optarg;
break;
case 'P':
+ if (pubkeydir || (cmd != CMD_VERIFY && cmd != CMD_REVOKE) || cmd == CMD_NONE)
+ return usage(argv[0]);
pubkeydir = optarg;
break;
case 'q':
+ if (quiet || cmd == CMD_NONE)
+ return usage(argv[0]);
quiet = true;
break;
case 's':
+ if (seckeyfile || cmd != CMD_ISSUE || cmd == CMD_NONE)
+ return usage(argv[0]);
seckeyfile = optarg;
break;
case 'x':
+ if (sigfile || cmd != CMD_APPEND || cmd == CMD_NONE)
+ return usage(argv[0]);
sigfile = optarg;
break;
default: