1 | /* |
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2 | * Copyright (c) 2002 Chris Adams. All rights reserved. |
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3 | * |
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4 | * Redistribution and use in source and binary forms, with or without |
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5 | * modification, are permitted provided that the following conditions |
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6 | * are met: |
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7 | * 1. Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * 2. Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * |
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13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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14 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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15 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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16 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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17 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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18 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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19 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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20 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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22 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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23 | */ |
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24 | |
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25 | #include "includes.h" |
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26 | |
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27 | #ifdef HAVE_OSF_SIA |
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28 | #include "ssh.h" |
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29 | #include "auth.h" |
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30 | #include "auth-sia.h" |
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31 | #include "log.h" |
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32 | #include "servconf.h" |
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33 | #include "canohost.h" |
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34 | #include "uidswap.h" |
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35 | |
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36 | #include <sia.h> |
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37 | #include <siad.h> |
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38 | #include <pwd.h> |
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39 | #include <signal.h> |
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40 | #include <setjmp.h> |
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41 | #include <sys/resource.h> |
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42 | #include <unistd.h> |
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43 | #include <string.h> |
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44 | |
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45 | extern ServerOptions options; |
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46 | extern int saved_argc; |
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47 | extern char **saved_argv; |
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48 | |
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49 | int |
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50 | sys_auth_passwd(Authctxt *authctxt, const char *pass) |
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51 | { |
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52 | int ret; |
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53 | SIAENTITY *ent = NULL; |
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54 | const char *host; |
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55 | |
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56 | host = get_canonical_hostname(options.use_dns); |
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57 | |
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58 | if (!authctxt->user || pass == NULL || pass[0] == '\0') |
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59 | return (0); |
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60 | |
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61 | if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user, |
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62 | NULL, 0, NULL) != SIASUCCESS) |
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63 | return (0); |
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64 | |
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65 | if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) { |
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66 | error("Couldn't authenticate %s from %s", |
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67 | authctxt->user, host); |
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68 | if (ret & SIASTOP) |
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69 | sia_ses_release(&ent); |
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70 | |
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71 | return (0); |
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72 | } |
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73 | |
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74 | sia_ses_release(&ent); |
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75 | |
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76 | return (1); |
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77 | } |
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78 | |
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79 | void |
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80 | session_setup_sia(struct passwd *pw, char *tty) |
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81 | { |
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82 | SIAENTITY *ent = NULL; |
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83 | const char *host; |
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84 | |
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85 | host = get_canonical_hostname(options.use_dns); |
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86 | |
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87 | if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name, |
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88 | tty, 0, NULL) != SIASUCCESS) |
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89 | fatal("sia_ses_init failed"); |
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90 | |
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91 | if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) { |
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92 | sia_ses_release(&ent); |
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93 | fatal("sia_make_entity_pwd failed"); |
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94 | } |
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95 | |
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96 | ent->authtype = SIA_A_NONE; |
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97 | if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS) |
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98 | fatal("Couldn't establish session for %s from %s", |
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99 | pw->pw_name, host); |
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100 | |
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101 | if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS) |
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102 | fatal("Couldn't launch session for %s from %s", |
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103 | pw->pw_name, host); |
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104 | |
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105 | sia_ses_release(&ent); |
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106 | |
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107 | setuid(0); |
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108 | permanently_set_uid(pw); |
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109 | } |
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110 | |
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111 | #endif /* HAVE_OSF_SIA */ |
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