From 610201f50fdb0594e9885594b69e4ee69c71dd08 Mon Sep 17 00:00:00 2001 From: des Date: Sun, 23 Jun 2002 14:01:54 +0000 Subject: Vendor import of OpenSSH 3.3. --- crypto/openssh/ssh-add.c | 83 ++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 76 insertions(+), 7 deletions(-) (limited to 'crypto/openssh/ssh-add.c') diff --git a/crypto/openssh/ssh-add.c b/crypto/openssh/ssh-add.c index c7079f7..53a4a30 100644 --- a/crypto/openssh/ssh-add.c +++ b/crypto/openssh/ssh-add.c @@ -35,7 +35,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: ssh-add.c,v 1.50 2002/01/29 14:27:57 markus Exp $"); +RCSID("$OpenBSD: ssh-add.c,v 1.61 2002/06/19 00:27:55 deraadt Exp $"); #include @@ -48,6 +48,7 @@ RCSID("$OpenBSD: ssh-add.c,v 1.50 2002/01/29 14:27:57 markus Exp $"); #include "authfile.h" #include "pathnames.h" #include "readpass.h" +#include "misc.h" /* argv0 */ extern char *__progname; @@ -56,10 +57,12 @@ extern char *__progname; static char *default_files[] = { _PATH_SSH_CLIENT_ID_RSA, _PATH_SSH_CLIENT_ID_DSA, - _PATH_SSH_CLIENT_IDENTITY, + _PATH_SSH_CLIENT_IDENTITY, NULL }; +/* Default lifetime (0 == forever) */ +static int lifetime = 0; /* we keep a cache of one passphrases */ static char *pass = NULL; @@ -155,11 +158,19 @@ add_file(AuthenticationConnection *ac, const char *filename) strlcpy(msg, "Bad passphrase, try again: ", sizeof msg); } } - if (ssh_add_identity(ac, private, comment)) { + + if (ssh_add_identity_constrained(ac, private, comment, lifetime)) { fprintf(stderr, "Identity added: %s (%s)\n", filename, comment); ret = 0; - } else + if (lifetime != 0) + fprintf(stderr, + "Lifetime set to %d seconds\n", lifetime); + } else if (ssh_add_identity(ac, private, comment)) { + fprintf(stderr, "Identity added: %s (%s)\n", filename, comment); + ret = 0; + } else { fprintf(stderr, "Could not add identity: %s\n", filename); + } xfree(comment); key_free(private); @@ -170,7 +181,13 @@ add_file(AuthenticationConnection *ac, const char *filename) static int update_card(AuthenticationConnection *ac, int add, const char *id) { - if (ssh_update_card(ac, add, id)) { + char *pin; + + pin = read_passphrase("Enter passphrase for smartcard: ", RP_ALLOW_STDIN); + if (pin == NULL) + return -1; + + if (ssh_update_card(ac, add, id, pin)) { fprintf(stderr, "Card %s: %s\n", add ? "added" : "removed", id); return 0; @@ -217,6 +234,34 @@ list_identities(AuthenticationConnection *ac, int do_fp) } static int +lock_agent(AuthenticationConnection *ac, int lock) +{ + char prompt[100], *p1, *p2; + int passok = 1, ret = -1; + + strlcpy(prompt, "Enter lock password: ", sizeof(prompt)); + p1 = read_passphrase(prompt, RP_ALLOW_STDIN); + if (lock) { + strlcpy(prompt, "Again: ", sizeof prompt); + p2 = read_passphrase(prompt, RP_ALLOW_STDIN); + if (strcmp(p1, p2) != 0) { + fprintf(stderr, "Passwords do not match.\n"); + passok = 0; + } + memset(p2, 0, strlen(p2)); + xfree(p2); + } + if (passok && ssh_lock_agent(ac, lock, p1)) { + fprintf(stderr, "Agent %slocked.\n", lock ? "" : "un"); + ret = 0; + } else + fprintf(stderr, "Failed to %slock agent.\n", lock ? "" : "un"); + memset(p1, 0, strlen(p1)); + xfree(p1); + return -1; +} + +static int do_file(AuthenticationConnection *ac, int deleting, char *file) { if (deleting) { @@ -238,6 +283,9 @@ usage(void) fprintf(stderr, " -L List public key parameters of all identities.\n"); fprintf(stderr, " -d Delete identity.\n"); fprintf(stderr, " -D Delete all identities.\n"); + fprintf(stderr, " -x Lock agent.\n"); + fprintf(stderr, " -x Unlock agent.\n"); + fprintf(stderr, " -t life Set lifetime (in seconds) when adding identities.\n"); #ifdef SMARTCARD fprintf(stderr, " -s reader Add key in smartcard reader.\n"); fprintf(stderr, " -e reader Remove key in smartcard reader.\n"); @@ -261,7 +309,7 @@ main(int argc, char **argv) fprintf(stderr, "Could not open a connection to your authentication agent.\n"); exit(2); } - while ((ch = getopt(argc, argv, "lLdDe:s:")) != -1) { + while ((ch = getopt(argc, argv, "lLdDxXe:s:t:")) != -1) { switch (ch) { case 'l': case 'L': @@ -269,6 +317,12 @@ main(int argc, char **argv) ret = 1; goto done; break; + case 'x': + case 'X': + if (lock_agent(ac, ch == 'x' ? 1 : 0) == -1) + ret = 1; + goto done; + break; case 'd': deleting = 1; break; @@ -284,6 +338,13 @@ main(int argc, char **argv) deleting = 1; sc_reader_id = optarg; break; + case 't': + if ((lifetime = convtime(optarg)) == -1) { + fprintf(stderr, "Invalid lifetime\n"); + ret = 1; + goto done; + } + break; default: usage(); ret = 1; @@ -300,6 +361,8 @@ main(int argc, char **argv) if (argc == 0) { char buf[MAXPATHLEN]; struct passwd *pw; + struct stat st; + int count = 0; if ((pw = getpwuid(getuid())) == NULL) { fprintf(stderr, "No user found with uid %u\n", @@ -309,11 +372,17 @@ main(int argc, char **argv) } for(i = 0; default_files[i]; i++) { - snprintf(buf, sizeof(buf), "%s/%s", pw->pw_dir, + snprintf(buf, sizeof(buf), "%s/%s", pw->pw_dir, default_files[i]); + if (stat(buf, &st) < 0) + continue; if (do_file(ac, deleting, buf) == -1) ret = 1; + else + count++; } + if (count == 0) + ret = 1; } else { for(i = 0; i < argc; i++) { if (do_file(ac, deleting, argv[i]) == -1) -- cgit v1.1