Annotation of src/usr.bin/ssh/ssh-add.c, Revision 1.116
1.116 ! djm 1: /* $OpenBSD: ssh-add.c,v 1.115 2014/12/21 22:27:56 djm Exp $ */
1.1 deraadt 2: /*
1.13 deraadt 3: * Author: Tatu Ylonen <ylo@cs.hut.fi>
4: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
5: * All rights reserved
6: * Adds an identity to the authentication server, or removes an identity.
1.19 markus 7: *
1.22 deraadt 8: * As far as I am concerned, the code I have written for this software
9: * can be used freely for any purpose. Any derived versions of this
10: * software must be clearly marked as such, and if the derived work is
11: * incompatible with the protocol description in the RFC file, it must be
12: * called by a name other than "ssh" or "Secure Shell".
13: *
1.19 markus 14: * SSH2 implementation,
1.41 markus 15: * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
1.22 deraadt 16: *
17: * Redistribution and use in source and binary forms, with or without
18: * modification, are permitted provided that the following conditions
19: * are met:
20: * 1. Redistributions of source code must retain the above copyright
21: * notice, this list of conditions and the following disclaimer.
22: * 2. Redistributions in binary form must reproduce the above copyright
23: * notice, this list of conditions and the following disclaimer in the
24: * documentation and/or other materials provided with the distribution.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
27: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
28: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
30: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
31: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
35: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.13 deraadt 36: */
1.1 deraadt 37:
1.75 stevesk 38: #include <sys/types.h>
39: #include <sys/stat.h>
1.86 stevesk 40: #include <sys/param.h>
1.16 markus 41:
1.19 markus 42: #include <openssl/evp.h>
1.81 stevesk 43:
1.116 ! djm 44: #include <errno.h>
1.82 stevesk 45: #include <fcntl.h>
1.81 stevesk 46: #include <pwd.h>
1.88 stevesk 47: #include <stdio.h>
1.87 stevesk 48: #include <stdlib.h>
1.85 stevesk 49: #include <string.h>
1.84 stevesk 50: #include <unistd.h>
1.1 deraadt 51:
1.89 deraadt 52: #include "xmalloc.h"
1.27 markus 53: #include "ssh.h"
1.1 deraadt 54: #include "rsa.h"
1.27 markus 55: #include "log.h"
1.116 ! djm 56: #include "sshkey.h"
! 57: #include "sshbuf.h"
1.18 markus 58: #include "authfd.h"
1.16 markus 59: #include "authfile.h"
1.25 markus 60: #include "pathnames.h"
1.57 stevesk 61: #include "misc.h"
1.110 djm 62: #include "ssherr.h"
1.115 djm 63: #include "digest.h"
1.1 deraadt 64:
1.45 jakob 65: /* argv0 */
66: extern char *__progname;
67:
1.48 djm 68: /* Default files to add */
69: static char *default_files[] = {
70: _PATH_SSH_CLIENT_ID_RSA,
71: _PATH_SSH_CLIENT_ID_DSA,
1.99 djm 72: _PATH_SSH_CLIENT_ID_ECDSA,
1.107 pascal 73: _PATH_SSH_CLIENT_ID_ED25519,
1.51 markus 74: _PATH_SSH_CLIENT_IDENTITY,
1.48 djm 75: NULL
76: };
77:
1.115 djm 78: static int fingerprint_hash = SSH_FP_HASH_DEFAULT;
79:
1.56 markus 80: /* Default lifetime (0 == forever) */
1.57 stevesk 81: static int lifetime = 0;
1.48 djm 82:
1.65 markus 83: /* User has to confirm key use */
84: static int confirm = 0;
85:
1.33 markus 86: /* we keep a cache of one passphrases */
87: static char *pass = NULL;
1.39 itojun 88: static void
1.33 markus 89: clear_pass(void)
90: {
91: if (pass) {
1.109 djm 92: explicit_bzero(pass, strlen(pass));
1.106 djm 93: free(pass);
1.33 markus 94: pass = NULL;
95: }
96: }
97:
1.46 djm 98: static int
1.116 ! djm 99: delete_file(int agent_fd, const char *filename, int key_only)
1.1 deraadt 100: {
1.116 ! djm 101: struct sshkey *public, *cert = NULL;
1.104 djm 102: char *certpath = NULL, *comment = NULL;
1.116 ! djm 103: int r, ret = -1;
1.1 deraadt 104:
1.116 ! djm 105: if ((r = sshkey_load_public(filename, &public, &comment)) != 0) {
! 106: printf("Bad key file %s: %s\n", filename, ssh_err(r));
1.46 djm 107: return -1;
1.12 markus 108: }
1.116 ! djm 109: if ((r = ssh_remove_identity(agent_fd, public)) == 0) {
1.12 markus 110: fprintf(stderr, "Identity removed: %s (%s)\n", filename, comment);
1.46 djm 111: ret = 0;
112: } else
1.116 ! djm 113: fprintf(stderr, "Could not remove identity \"%s\": %s\n",
! 114: filename, ssh_err(r));
1.46 djm 115:
1.104 djm 116: if (key_only)
117: goto out;
118:
119: /* Now try to delete the corresponding certificate too */
120: free(comment);
1.105 markus 121: comment = NULL;
1.104 djm 122: xasprintf(&certpath, "%s-cert.pub", filename);
1.116 ! djm 123: if ((r = sshkey_load_public(certpath, &cert, &comment)) == 0)
1.104 djm 124: goto out;
1.116 ! djm 125: if (!sshkey_equal_public(cert, public))
1.104 djm 126: fatal("Certificate %s does not match private key %s",
127: certpath, filename);
128:
1.116 ! djm 129: if (ssh_remove_identity(agent_fd, cert)) {
1.104 djm 130: fprintf(stderr, "Identity removed: %s (%s)\n", certpath,
131: comment);
132: ret = 0;
133: } else
134: fprintf(stderr, "Could not remove identity: %s\n", certpath);
135:
136: out:
137: if (cert != NULL)
1.116 ! djm 138: sshkey_free(cert);
1.104 djm 139: if (public != NULL)
1.116 ! djm 140: sshkey_free(public);
1.104 djm 141: free(certpath);
142: free(comment);
1.47 deraadt 143:
1.46 djm 144: return ret;
1.1 deraadt 145: }
146:
1.19 markus 147: /* Send a request to remove all identities. */
1.46 djm 148: static int
1.116 ! djm 149: delete_all(int agent_fd)
1.1 deraadt 150: {
1.46 djm 151: int ret = -1;
1.19 markus 152:
1.116 ! djm 153: if (ssh_remove_all_identities(agent_fd, 1) == 0)
1.46 djm 154: ret = 0;
1.19 markus 155: /* ignore error-code for ssh2 */
1.116 ! djm 156: /* XXX revisit */
! 157: ssh_remove_all_identities(agent_fd, 2);
1.19 markus 158:
1.46 djm 159: if (ret == 0)
1.12 markus 160: fprintf(stderr, "All identities removed.\n");
161: else
1.24 markus 162: fprintf(stderr, "Failed to remove all identities.\n");
1.46 djm 163:
164: return ret;
1.1 deraadt 165: }
166:
1.46 djm 167: static int
1.116 ! djm 168: add_file(int agent_fd, const char *filename, int key_only)
1.1 deraadt 169: {
1.116 ! djm 170: struct sshkey *private, *cert;
1.36 markus 171: char *comment = NULL;
1.102 djm 172: char msg[1024], *certpath = NULL;
1.116 ! djm 173: int r, fd, ret = -1;
! 174: struct sshbuf *keyblob;
1.12 markus 175:
1.101 djm 176: if (strcmp(filename, "-") == 0) {
177: fd = STDIN_FILENO;
178: filename = "(stdin)";
179: } else if ((fd = open(filename, O_RDONLY)) < 0) {
1.19 markus 180: perror(filename);
1.46 djm 181: return -1;
1.19 markus 182: }
1.76 dtucker 183:
184: /*
185: * Since we'll try to load a keyfile multiple times, permission errors
186: * will occur multiple times, so check perms first and bail if wrong.
187: */
1.101 djm 188: if (fd != STDIN_FILENO) {
1.116 ! djm 189: if (sshkey_perm_ok(fd, filename) != 0) {
1.101 djm 190: close(fd);
191: return -1;
192: }
193: }
1.116 ! djm 194: if ((keyblob = sshbuf_new()) == NULL)
! 195: fatal("%s: sshbuf_new failed", __func__);
! 196: if ((r = sshkey_load_file(fd, keyblob)) != 0) {
! 197: fprintf(stderr, "Error loading key \"%s\": %s\n",
! 198: filename, ssh_err(r));
! 199: sshbuf_free(keyblob);
1.101 djm 200: close(fd);
201: return -1;
202: }
1.76 dtucker 203: close(fd);
204:
1.12 markus 205: /* At first, try empty passphrase */
1.116 ! djm 206: if ((r = sshkey_parse_private_fileblob(keyblob, "", filename,
! 207: &private, &comment)) != 0 && r != SSH_ERR_KEY_WRONG_PASSPHRASE) {
! 208: fprintf(stderr, "Error loading key \"%s\": %s\n",
! 209: filename, ssh_err(r));
! 210: goto fail_load;
! 211: }
1.33 markus 212: /* try last */
1.110 djm 213: if (private == NULL && pass != NULL) {
1.116 ! djm 214: if ((r = sshkey_parse_private_fileblob(keyblob, pass, filename,
1.110 djm 215: &private, &comment)) != 0 &&
1.116 ! djm 216: r != SSH_ERR_KEY_WRONG_PASSPHRASE) {
! 217: fprintf(stderr, "Error loading key \"%s\": %s\n",
! 218: filename, ssh_err(r));
! 219: goto fail_load;
! 220: }
1.110 djm 221: }
1.113 benno 222: if (comment == NULL)
223: comment = xstrdup(filename);
1.31 markus 224: if (private == NULL) {
1.33 markus 225: /* clear passphrase since it did not work */
226: clear_pass();
1.37 markus 227: snprintf(msg, sizeof msg, "Enter passphrase for %.200s: ",
1.72 djm 228: comment);
1.12 markus 229: for (;;) {
1.40 markus 230: pass = read_passphrase(msg, RP_ALLOW_STDIN);
1.116 ! djm 231: if (strcmp(pass, "") == 0)
! 232: goto fail_load;
! 233: if ((r = sshkey_parse_private_fileblob(keyblob, pass,
! 234: filename, &private, NULL)) == 0)
! 235: break;
! 236: else if (r != SSH_ERR_KEY_WRONG_PASSPHRASE) {
! 237: fprintf(stderr,
! 238: "Error loading key \"%s\": %s\n",
! 239: filename, ssh_err(r));
! 240: fail_load:
1.35 markus 241: clear_pass();
1.106 djm 242: free(comment);
1.116 ! djm 243: sshbuf_free(keyblob);
1.46 djm 244: return -1;
1.12 markus 245: }
1.33 markus 246: clear_pass();
1.68 markus 247: snprintf(msg, sizeof msg,
248: "Bad passphrase, try again for %.200s: ", comment);
1.12 markus 249: }
250: }
1.116 ! djm 251: sshbuf_free(keyblob);
1.60 markus 252:
1.116 ! djm 253: if ((r = ssh_add_identity_constrained(agent_fd, private, comment,
! 254: lifetime, confirm)) == 0) {
1.60 markus 255: fprintf(stderr, "Identity added: %s (%s)\n", filename, comment);
256: ret = 0;
257: if (lifetime != 0)
1.64 deraadt 258: fprintf(stderr,
1.60 markus 259: "Lifetime set to %d seconds\n", lifetime);
1.69 djm 260: if (confirm != 0)
1.65 markus 261: fprintf(stderr,
1.96 djm 262: "The user must confirm each use of the key\n");
1.60 markus 263: } else {
1.116 ! djm 264: fprintf(stderr, "Could not add identity \"%s\": %s\n",
! 265: filename, ssh_err(r));
1.56 markus 266: }
267:
1.102 djm 268: /* Skip trying to load the cert if requested */
269: if (key_only)
270: goto out;
1.93 djm 271:
272: /* Now try to add the certificate flavour too */
273: xasprintf(&certpath, "%s-cert.pub", filename);
1.116 ! djm 274: if ((r = sshkey_load_public(certpath, &cert, NULL)) != 0) {
! 275: if (r != SSH_ERR_SYSTEM_ERROR || errno != ENOENT)
! 276: error("Failed to load certificate \"%s\": %s",
! 277: certpath, ssh_err(r));
1.96 djm 278: goto out;
1.116 ! djm 279: }
1.96 djm 280:
1.116 ! djm 281: if (!sshkey_equal_public(cert, private)) {
1.96 djm 282: error("Certificate %s does not match private key %s",
283: certpath, filename);
1.116 ! djm 284: sshkey_free(cert);
1.96 djm 285: goto out;
286: }
1.93 djm 287:
1.96 djm 288: /* Graft with private bits */
1.116 ! djm 289: if ((r = sshkey_to_certified(private,
! 290: sshkey_cert_is_legacy(cert))) != 0) {
! 291: error("%s: sshkey_to_certified: %s", __func__, ssh_err(r));
! 292: sshkey_free(cert);
! 293: goto out;
! 294: }
! 295: if ((r = sshkey_cert_copy(cert, private)) != 0) {
! 296: error("%s: key_cert_copy: %s", __func__, ssh_err(r));
! 297: sshkey_free(cert);
1.96 djm 298: goto out;
1.94 otto 299: }
1.116 ! djm 300: sshkey_free(cert);
1.93 djm 301:
1.116 ! djm 302: if ((r = ssh_add_identity_constrained(agent_fd, private, comment,
! 303: lifetime, confirm)) != 0) {
! 304: error("Certificate %s (%s) add failed: %s", certpath,
! 305: private->cert->key_id, ssh_err(r));
! 306: goto out;
1.96 djm 307: }
308: fprintf(stderr, "Certificate added: %s (%s)\n", certpath,
309: private->cert->key_id);
310: if (lifetime != 0)
311: fprintf(stderr, "Lifetime set to %d seconds\n", lifetime);
312: if (confirm != 0)
313: fprintf(stderr, "The user must confirm each use of the key\n");
314: out:
1.116 ! djm 315: free(certpath);
1.106 djm 316: free(comment);
1.116 ! djm 317: sshkey_free(private);
1.47 deraadt 318:
1.46 djm 319: return ret;
1.1 deraadt 320: }
321:
1.46 djm 322: static int
1.116 ! djm 323: update_card(int agent_fd, int add, const char *id)
1.42 markus 324: {
1.108 djm 325: char *pin = NULL;
1.116 ! djm 326: int r, ret = -1;
1.53 rees 327:
1.108 djm 328: if (add) {
329: if ((pin = read_passphrase("Enter passphrase for PKCS#11: ",
330: RP_ALLOW_STDIN)) == NULL)
331: return -1;
332: }
1.53 rees 333:
1.116 ! djm 334: if ((r = ssh_update_card(agent_fd, add, id, pin == NULL ? "" : pin,
! 335: lifetime, confirm)) == 0) {
1.44 markus 336: fprintf(stderr, "Card %s: %s\n",
1.47 deraadt 337: add ? "added" : "removed", id);
1.66 markus 338: ret = 0;
1.46 djm 339: } else {
1.116 ! djm 340: fprintf(stderr, "Could not %s card \"%s\": %s\n",
! 341: add ? "add" : "remove", id, ssh_err(r));
1.66 markus 342: ret = -1;
1.46 djm 343: }
1.106 djm 344: free(pin);
1.66 markus 345: return ret;
1.42 markus 346: }
347:
1.50 markus 348: static int
1.116 ! djm 349: list_identities(int agent_fd, int do_fp)
1.1 deraadt 350: {
1.116 ! djm 351: char *fp;
! 352: int version, r, had_identities = 0;
! 353: struct ssh_identitylist *idlist;
! 354: size_t i;
1.12 markus 355:
1.19 markus 356: for (version = 1; version <= 2; version++) {
1.116 ! djm 357: if ((r = ssh_fetch_identitylist(agent_fd, version,
! 358: &idlist)) != 0) {
! 359: if (r != SSH_ERR_AGENT_NO_IDENTITIES)
! 360: fprintf(stderr, "error fetching identities for "
! 361: "protocol %d: %s\n", version, ssh_err(r));
! 362: continue;
! 363: }
! 364: for (i = 0; i < idlist->nkeys; i++) {
1.19 markus 365: had_identities = 1;
1.30 markus 366: if (do_fp) {
1.116 ! djm 367: fp = sshkey_fingerprint(idlist->keys[i],
! 368: fingerprint_hash, SSH_FP_DEFAULT);
1.23 markus 369: printf("%d %s %s (%s)\n",
1.116 ! djm 370: sshkey_size(idlist->keys[i]), fp,
! 371: idlist->comments[i],
! 372: sshkey_type(idlist->keys[i]));
1.106 djm 373: free(fp);
1.12 markus 374: } else {
1.116 ! djm 375: if ((r = sshkey_write(idlist->keys[i],
! 376: stdout)) != 0) {
! 377: fprintf(stderr, "sshkey_write: %s\n",
! 378: ssh_err(r));
! 379: continue;
! 380: }
! 381: fprintf(stdout, " %s\n", idlist->comments[i]);
1.12 markus 382: }
383: }
1.116 ! djm 384: ssh_free_identitylist(idlist);
1.12 markus 385: }
1.50 markus 386: if (!had_identities) {
1.12 markus 387: printf("The agent has no identities.\n");
1.50 markus 388: return -1;
389: }
390: return 0;
1.1 deraadt 391: }
392:
1.48 djm 393: static int
1.116 ! djm 394: lock_agent(int agent_fd, int lock)
1.54 markus 395: {
396: char prompt[100], *p1, *p2;
1.116 ! djm 397: int r, passok = 1, ret = -1;
1.61 deraadt 398:
1.54 markus 399: strlcpy(prompt, "Enter lock password: ", sizeof(prompt));
400: p1 = read_passphrase(prompt, RP_ALLOW_STDIN);
401: if (lock) {
402: strlcpy(prompt, "Again: ", sizeof prompt);
403: p2 = read_passphrase(prompt, RP_ALLOW_STDIN);
404: if (strcmp(p1, p2) != 0) {
405: fprintf(stderr, "Passwords do not match.\n");
406: passok = 0;
407: }
1.109 djm 408: explicit_bzero(p2, strlen(p2));
1.106 djm 409: free(p2);
1.54 markus 410: }
1.116 ! djm 411: if (passok) {
! 412: if ((r = ssh_lock_agent(agent_fd, lock, p1)) == 0) {
! 413: fprintf(stderr, "Agent %slocked.\n", lock ? "" : "un");
! 414: ret = 0;
! 415: } else {
! 416: fprintf(stderr, "Failed to %slock agent: %s\n",
! 417: lock ? "" : "un", ssh_err(r));
! 418: }
! 419: }
1.109 djm 420: explicit_bzero(p1, strlen(p1));
1.106 djm 421: free(p1);
1.62 markus 422: return (ret);
1.54 markus 423: }
424:
425: static int
1.116 ! djm 426: do_file(int agent_fd, int deleting, int key_only, char *file)
1.48 djm 427: {
428: if (deleting) {
1.116 ! djm 429: if (delete_file(agent_fd, file, key_only) == -1)
1.48 djm 430: return -1;
431: } else {
1.116 ! djm 432: if (add_file(agent_fd, file, key_only) == -1)
1.48 djm 433: return -1;
434: }
435: return 0;
436: }
437:
1.42 markus 438: static void
439: usage(void)
440: {
1.90 sobrado 441: fprintf(stderr, "usage: %s [options] [file ...]\n", __progname);
1.45 jakob 442: fprintf(stderr, "Options:\n");
443: fprintf(stderr, " -l List fingerprints of all identities.\n");
1.115 djm 444: fprintf(stderr, " -E hash Specify hash algorithm used for fingerprints.\n");
1.45 jakob 445: fprintf(stderr, " -L List public key parameters of all identities.\n");
1.103 djm 446: fprintf(stderr, " -k Load only keys and not certificates.\n");
447: fprintf(stderr, " -c Require confirmation to sign using identities\n");
448: fprintf(stderr, " -t life Set lifetime (in seconds) when adding identities.\n");
1.45 jakob 449: fprintf(stderr, " -d Delete identity.\n");
450: fprintf(stderr, " -D Delete all identities.\n");
1.55 markus 451: fprintf(stderr, " -x Lock agent.\n");
1.63 markus 452: fprintf(stderr, " -X Unlock agent.\n");
1.92 markus 453: fprintf(stderr, " -s pkcs11 Add keys from PKCS#11 provider.\n");
454: fprintf(stderr, " -e pkcs11 Remove keys provided by PKCS#11 provider.\n");
1.42 markus 455: }
456:
1.2 provos 457: int
1.7 markus 458: main(int argc, char **argv)
1.1 deraadt 459: {
1.43 markus 460: extern char *optarg;
461: extern int optind;
1.116 ! djm 462: int agent_fd;
1.92 markus 463: char *pkcs11provider = NULL;
1.116 ! djm 464: int r, i, ch, deleting = 0, ret = 0, key_only = 0;
1.115 djm 465: int xflag = 0, lflag = 0, Dflag = 0;
1.73 djm 466:
467: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
468: sanitise_stdfd();
1.12 markus 469:
1.100 djm 470: OpenSSL_add_all_algorithms();
1.112 djm 471:
1.114 millert 472: setvbuf(stdout, NULL, _IOLBF, 0);
1.19 markus 473:
1.116 ! djm 474: /* First, get a connection to the authentication agent. */
! 475: switch (r = ssh_get_authentication_socket(&agent_fd)) {
! 476: case 0:
! 477: break;
! 478: case SSH_ERR_AGENT_NOT_PRESENT:
! 479: fprintf(stderr, "Could not open a connection to your "
! 480: "authentication agent.\n");
! 481: exit(2);
! 482: default:
! 483: fprintf(stderr, "Error connecting to agent: %s\n", ssh_err(r));
1.50 markus 484: exit(2);
1.12 markus 485: }
1.116 ! djm 486:
1.115 djm 487: while ((ch = getopt(argc, argv, "klLcdDxXE:e:s:t:")) != -1) {
1.43 markus 488: switch (ch) {
1.115 djm 489: case 'E':
490: fingerprint_hash = ssh_digest_alg_by_name(optarg);
491: if (fingerprint_hash == -1)
492: fatal("Invalid hash algorithm \"%s\"", optarg);
493: break;
1.102 djm 494: case 'k':
495: key_only = 1;
496: break;
1.43 markus 497: case 'l':
498: case 'L':
1.115 djm 499: if (lflag != 0)
500: fatal("-%c flag already specified", lflag);
501: lflag = ch;
502: break;
1.54 markus 503: case 'x':
504: case 'X':
1.115 djm 505: if (xflag != 0)
506: fatal("-%c flag already specified", xflag);
507: xflag = ch;
508: break;
1.65 markus 509: case 'c':
510: confirm = 1;
1.43 markus 511: break;
512: case 'd':
1.12 markus 513: deleting = 1;
1.43 markus 514: break;
515: case 'D':
1.115 djm 516: Dflag = 1;
517: break;
1.43 markus 518: case 's':
1.92 markus 519: pkcs11provider = optarg;
1.43 markus 520: break;
521: case 'e':
1.47 deraadt 522: deleting = 1;
1.92 markus 523: pkcs11provider = optarg;
1.56 markus 524: break;
525: case 't':
1.57 stevesk 526: if ((lifetime = convtime(optarg)) == -1) {
527: fprintf(stderr, "Invalid lifetime\n");
528: ret = 1;
529: goto done;
530: }
1.43 markus 531: break;
532: default:
533: usage();
1.46 djm 534: ret = 1;
535: goto done;
1.42 markus 536: }
537: }
1.115 djm 538:
539: if ((xflag != 0) + (lflag != 0) + (Dflag != 0) > 1)
540: fatal("Invalid combination of actions");
541: else if (xflag) {
1.116 ! djm 542: if (lock_agent(agent_fd, xflag == 'x' ? 1 : 0) == -1)
1.115 djm 543: ret = 1;
544: goto done;
545: } else if (lflag) {
1.116 ! djm 546: if (list_identities(agent_fd, lflag == 'l' ? 1 : 0) == -1)
1.115 djm 547: ret = 1;
548: goto done;
549: } else if (Dflag) {
1.116 ! djm 550: if (delete_all(agent_fd) == -1)
1.115 djm 551: ret = 1;
552: goto done;
553: }
554:
1.43 markus 555: argc -= optind;
556: argv += optind;
1.92 markus 557: if (pkcs11provider != NULL) {
1.116 ! djm 558: if (update_card(agent_fd, !deleting, pkcs11provider) == -1)
1.46 djm 559: ret = 1;
1.43 markus 560: goto done;
1.12 markus 561: }
1.43 markus 562: if (argc == 0) {
1.48 djm 563: char buf[MAXPATHLEN];
564: struct passwd *pw;
1.52 markus 565: struct stat st;
566: int count = 0;
1.48 djm 567:
568: if ((pw = getpwuid(getuid())) == NULL) {
1.20 deraadt 569: fprintf(stderr, "No user found with uid %u\n",
570: (u_int)getuid());
1.46 djm 571: ret = 1;
572: goto done;
1.12 markus 573: }
1.48 djm 574:
1.71 deraadt 575: for (i = 0; default_files[i]; i++) {
1.51 markus 576: snprintf(buf, sizeof(buf), "%s/%s", pw->pw_dir,
1.48 djm 577: default_files[i]);
1.52 markus 578: if (stat(buf, &st) < 0)
579: continue;
1.116 ! djm 580: if (do_file(agent_fd, deleting, key_only, buf) == -1)
1.46 djm 581: ret = 1;
1.52 markus 582: else
583: count++;
1.46 djm 584: }
1.52 markus 585: if (count == 0)
586: ret = 1;
1.43 markus 587: } else {
1.71 deraadt 588: for (i = 0; i < argc; i++) {
1.116 ! djm 589: if (do_file(agent_fd, deleting, key_only,
! 590: argv[i]) == -1)
1.48 djm 591: ret = 1;
1.43 markus 592: }
1.12 markus 593: }
1.33 markus 594: clear_pass();
1.43 markus 595:
596: done:
1.116 ! djm 597: ssh_close_authentication_socket(agent_fd);
1.46 djm 598: return ret;
1.1 deraadt 599: }