- /*
- * Forget any passphrase that we retained while going over
- * command line keyfiles.
- */
- forget_passphrases();
-
- if (command) {
- char *args;
- if (command[0] == '"')
- args = strchr(++command, '"');
- else
- args = strchr(command, ' ');
- if (args) {
- *args++ = 0;
- while(*args && isspace(*args)) args++;
- }
- spawn_cmd(command, args, show);
+int pageant_enum_keys(pageant_key_enum_fn_t callback, void *callback_ctx,
+ char **retstr)
+{
+ unsigned char *keylist, *p;
+ int i, nkeys, keylistlen;
+ char *comment;
+ struct pageant_pubkey cbkey;
+
+ keylist = pageant_get_keylist1(&keylistlen);
+ if (keylistlen < 4) {
+ *retstr = dupstr("Received broken SSH-1 key list from agent");
+ sfree(keylist);
+ return PAGEANT_ACTION_FAILURE;
+ }
+ nkeys = toint(GET_32BIT(keylist));
+ if (nkeys < 0) {
+ *retstr = dupstr("Received broken SSH-1 key list from agent");
+ sfree(keylist);
+ return PAGEANT_ACTION_FAILURE;
+ }
+ p = keylist + 4;
+ keylistlen -= 4;
+
+ for (i = 0; i < nkeys; i++) {
+ struct RSAKey rkey;
+ char fingerprint[128];
+ int n;
+
+ /* public blob and fingerprint */
+ memset(&rkey, 0, sizeof(rkey));
+ n = makekey(p, keylistlen, &rkey, NULL, 0);
+ if (n < 0 || n > keylistlen) {
+ freersakey(&rkey);
+ *retstr = dupstr("Received broken SSH-1 key list from agent");
+ sfree(keylist);
+ return PAGEANT_ACTION_FAILURE;
+ }
+ p += n, keylistlen -= n;
+ rsa_fingerprint(fingerprint, sizeof(fingerprint), &rkey);
+
+ /* comment */
+ if (keylistlen < 4) {
+ *retstr = dupstr("Received broken SSH-1 key list from agent");
+ freersakey(&rkey);
+ sfree(keylist);
+ return PAGEANT_ACTION_FAILURE;
+ }
+ n = toint(GET_32BIT(p));
+ p += 4, keylistlen -= 4;
+ if (n < 0 || keylistlen < n) {
+ *retstr = dupstr("Received broken SSH-1 key list from agent");
+ freersakey(&rkey);
+ sfree(keylist);
+ return PAGEANT_ACTION_FAILURE;
+ }
+ comment = dupprintf("%.*s", (int)n, (const char *)p);
+ p += n, keylistlen -= n;
+
+ cbkey.blob = rsa_public_blob(&rkey, &cbkey.bloblen);
+ cbkey.comment = comment;
+ cbkey.ssh_version = 1;
+ callback(callback_ctx, fingerprint, comment, &cbkey);
+ sfree(cbkey.blob);
+ freersakey(&rkey);
+ sfree(comment);