Darren Tucker | 920612e | 2010-11-05 12:36:15 +1100 | [diff] [blame^] | 1 | /* $Id: platform.c,v 1.5 2010/11/05 01:36:15 dtucker Exp $ */ |
Damien Miller | 1b06dc3 | 2006-08-31 03:24:41 +1000 | [diff] [blame] | 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2006 Darren Tucker. All rights reserved. |
| 5 | * |
| 6 | * Permission to use, copy, modify, and distribute this software for any |
| 7 | * purpose with or without fee is hereby granted, provided that the above |
| 8 | * copyright notice and this permission notice appear in all copies. |
| 9 | * |
| 10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | |
| 19 | #include "config.h" |
| 20 | #include "platform.h" |
| 21 | |
| 22 | #include "openbsd-compat/openbsd-compat.h" |
| 23 | |
| 24 | void |
Darren Tucker | c8802aa | 2009-12-08 13:39:48 +1100 | [diff] [blame] | 25 | platform_pre_listen(void) |
| 26 | { |
| 27 | #ifdef LINUX_OOM_ADJUST |
| 28 | /* Adjust out-of-memory killer so listening process is not killed */ |
| 29 | oom_adjust_setup(); |
| 30 | #endif |
| 31 | } |
| 32 | |
| 33 | void |
Damien Miller | 1b06dc3 | 2006-08-31 03:24:41 +1000 | [diff] [blame] | 34 | platform_pre_fork(void) |
| 35 | { |
| 36 | #ifdef USE_SOLARIS_PROCESS_CONTRACTS |
| 37 | solaris_contract_pre_fork(); |
| 38 | #endif |
| 39 | } |
| 40 | |
| 41 | void |
| 42 | platform_post_fork_parent(pid_t child_pid) |
| 43 | { |
| 44 | #ifdef USE_SOLARIS_PROCESS_CONTRACTS |
| 45 | solaris_contract_post_fork_parent(child_pid); |
| 46 | #endif |
| 47 | } |
| 48 | |
| 49 | void |
| 50 | platform_post_fork_child(void) |
| 51 | { |
| 52 | #ifdef USE_SOLARIS_PROCESS_CONTRACTS |
| 53 | solaris_contract_post_fork_child(); |
| 54 | #endif |
Darren Tucker | c8802aa | 2009-12-08 13:39:48 +1100 | [diff] [blame] | 55 | #ifdef LINUX_OOM_ADJUST |
| 56 | oom_adjust_restore(); |
| 57 | #endif |
Damien Miller | 1b06dc3 | 2006-08-31 03:24:41 +1000 | [diff] [blame] | 58 | } |
Darren Tucker | 1bf3503 | 2009-12-21 10:49:21 +1100 | [diff] [blame] | 59 | |
Darren Tucker | 920612e | 2010-11-05 12:36:15 +1100 | [diff] [blame^] | 60 | /* |
| 61 | * This gets called before switching UIDs, and is called even when sshd is |
| 62 | * not running as root. |
| 63 | */ |
Darren Tucker | 9752835 | 2010-11-05 12:03:05 +1100 | [diff] [blame] | 64 | void |
| 65 | platform_setusercontext(struct passwd *pw) |
| 66 | { |
Darren Tucker | 920612e | 2010-11-05 12:36:15 +1100 | [diff] [blame^] | 67 | #ifdef WITH_SELINUX |
| 68 | /* Cache selinux status for later use */ |
| 69 | (void)ssh_selinux_enabled(); |
| 70 | #endif |
| 71 | |
Darren Tucker | 9752835 | 2010-11-05 12:03:05 +1100 | [diff] [blame] | 72 | #ifdef USE_SOLARIS_PROJECTS |
| 73 | /* if solaris projects were detected, set the default now */ |
| 74 | if (getuid() == 0 || geteuid() == 0) |
| 75 | solaris_set_default_project(pw); |
| 76 | #endif |
| 77 | } |
| 78 | |
Darren Tucker | 920612e | 2010-11-05 12:36:15 +1100 | [diff] [blame^] | 79 | /* |
| 80 | * This gets called after we've established the user's groups, and is only |
| 81 | * called if sshd is running as root. |
| 82 | */ |
| 83 | void |
| 84 | platform_setusercontext_post_groups(struct passwd *pw) |
| 85 | { |
| 86 | #ifdef WITH_SELINUX |
| 87 | ssh_selinux_setup_exec_context(pw->pw_name); |
| 88 | #endif |
| 89 | } |
| 90 | |
Darren Tucker | 1bf3503 | 2009-12-21 10:49:21 +1100 | [diff] [blame] | 91 | char * |
| 92 | platform_krb5_get_principal_name(const char *pw_name) |
| 93 | { |
| 94 | #ifdef USE_AIX_KRB_NAME |
| 95 | return aix_krb5_get_principal_name(pw_name); |
| 96 | #else |
| 97 | return NULL; |
| 98 | #endif |
| 99 | } |