Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 1 | #include "includes.h" |
| 2 | |
| 3 | #ifdef HAVE_OSF_SIA |
| 4 | #include "ssh.h" |
| 5 | #include "auth-sia.h" |
| 6 | #include "log.h" |
| 7 | #include "servconf.h" |
| 8 | #include "canohost.h" |
Kevin Steves | e683e76 | 2002-04-04 19:02:28 +0000 | [diff] [blame^] | 9 | #include "auth.h" |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 10 | |
| 11 | #include <sia.h> |
| 12 | #include <siad.h> |
| 13 | #include <pwd.h> |
| 14 | #include <signal.h> |
| 15 | #include <setjmp.h> |
| 16 | #include <sys/resource.h> |
| 17 | #include <unistd.h> |
| 18 | #include <string.h> |
| 19 | |
| 20 | extern ServerOptions options; |
| 21 | extern int saved_argc; |
| 22 | extern char **saved_argv; |
| 23 | |
| 24 | extern int errno; |
| 25 | |
| 26 | int |
Kevin Steves | e683e76 | 2002-04-04 19:02:28 +0000 | [diff] [blame^] | 27 | auth_sia_password(Authctxt *authctxt, char *pass) |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 28 | { |
| 29 | int ret; |
| 30 | SIAENTITY *ent = NULL; |
| 31 | const char *host; |
Kevin Steves | e683e76 | 2002-04-04 19:02:28 +0000 | [diff] [blame^] | 32 | char *user = authctxt->user; |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 33 | |
Damien Miller | f3451a2 | 2002-02-05 12:40:46 +1100 | [diff] [blame] | 34 | host = get_canonical_hostname(options.verify_reverse_mapping); |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 35 | |
Kevin Steves | e683e76 | 2002-04-04 19:02:28 +0000 | [diff] [blame^] | 36 | if (!user || !pass || pass[0] == '\0') |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 37 | return(0); |
| 38 | |
| 39 | if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, NULL, 0, |
| 40 | NULL) != SIASUCCESS) |
| 41 | return(0); |
| 42 | |
| 43 | if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) { |
| 44 | error("couldn't authenticate %s from %s", user, host); |
| 45 | if (ret & SIASTOP) |
| 46 | sia_ses_release(&ent); |
| 47 | return(0); |
| 48 | } |
| 49 | |
| 50 | sia_ses_release(&ent); |
| 51 | |
| 52 | return(1); |
| 53 | } |
| 54 | |
| 55 | void |
| 56 | session_setup_sia(char *user, char *tty) |
| 57 | { |
| 58 | int ret; |
| 59 | struct passwd *pw; |
| 60 | SIAENTITY *ent = NULL; |
| 61 | const char *host; |
| 62 | |
Damien Miller | f3451a2 | 2002-02-05 12:40:46 +1100 | [diff] [blame] | 63 | host = get_canonical_hostname (options.verify_reverse_mapping); |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 64 | |
| 65 | if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, tty, 0, |
Damien Miller | 364a9bd | 2001-04-16 18:37:05 +1000 | [diff] [blame] | 66 | NULL) != SIASUCCESS) { |
| 67 | error("sia_ses_init failed"); |
| 68 | exit(1); |
| 69 | } |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 70 | |
| 71 | if ((pw = getpwnam(user)) == NULL) { |
| 72 | sia_ses_release(&ent); |
Damien Miller | 364a9bd | 2001-04-16 18:37:05 +1000 | [diff] [blame] | 73 | error("getpwnam(%s) failed: %s", user, strerror(errno)); |
| 74 | exit(1); |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 75 | } |
| 76 | if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) { |
| 77 | sia_ses_release(&ent); |
Damien Miller | 364a9bd | 2001-04-16 18:37:05 +1000 | [diff] [blame] | 78 | error("sia_make_entity_pwd failed"); |
| 79 | exit(1); |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | ent->authtype = SIA_A_NONE; |
Damien Miller | 364a9bd | 2001-04-16 18:37:05 +1000 | [diff] [blame] | 83 | if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS) { |
| 84 | error("couldn't establish session for %s from %s", user, |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 85 | host); |
Damien Miller | 364a9bd | 2001-04-16 18:37:05 +1000 | [diff] [blame] | 86 | exit(1); |
| 87 | } |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 88 | |
| 89 | if (setpriority(PRIO_PROCESS, 0, 0) == -1) { |
| 90 | sia_ses_release(&ent); |
Damien Miller | 364a9bd | 2001-04-16 18:37:05 +1000 | [diff] [blame] | 91 | error("setpriority failed: %s", strerror (errno)); |
| 92 | exit(1); |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 93 | } |
| 94 | |
Damien Miller | 364a9bd | 2001-04-16 18:37:05 +1000 | [diff] [blame] | 95 | if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS) { |
| 96 | error("couldn't launch session for %s from %s", user, host); |
| 97 | exit(1); |
| 98 | } |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 99 | |
| 100 | sia_ses_release(&ent); |
| 101 | |
Damien Miller | 364a9bd | 2001-04-16 18:37:05 +1000 | [diff] [blame] | 102 | if (setreuid(geteuid(), geteuid()) < 0) { |
| 103 | error("setreuid failed: %s", strerror (errno)); |
| 104 | exit(1); |
| 105 | } |
Damien Miller | 92ddb7d | 2001-02-14 01:25:23 +1100 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | #endif /* HAVE_OSF_SIA */ |
| 109 | |