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System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
Software | : | Apache. PHP/5.3.6-13ubuntu3.10 |
ID | : | uid=65534(nobody) gid=65534(nogroup) groups=65534(nogroup)
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Safe Mode | : | OFF |
Open_Basedir | : | OFF |
Freespace | : | 22.54 GB of 70.42 GB (32.01%) |
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MySQL: ON MSSQL: OFF Oracle: OFF PostgreSQL: OFF Curl: OFF Sockets: ON Fetch: OFF Wget: ON Perl: ON |
Disabled Functions: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,
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[ System Info ]
[ Processes ]
[ SQL Manager ]
[ Eval ]
[ Encoder ]
[ Mailer ]
[ Back Connection ]
[ Backdoor Server ]
[ Kernel Exploit Search ]
[ MD5 Decrypter ]
[ Reverse IP ]
[ Kill Shell ]
[ FTP Brute-Force ]
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/
usr/
src/
httpd-2.4.6/
os/
bs2000/
- drwxr-xr-x
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Viewing file: os.c (3.81 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */
/* * This file will include OS specific functions which are not inlineable. * Any inlineable functions should be defined in os-inline.c instead. */
#ifdef _OSD_POSIX
#include "os.h"
#include "httpd.h" #include "http_config.h" #include "http_log.h" #include "apr_lib.h"
#define USER_LEN 8
APLOG_USE_MODULE(core);
typedef enum { bs2_unknown, /* not initialized yet. */ bs2_noFORK, /* no fork() because -X flag was specified */ bs2_FORK, /* only fork() because uid != 0 */ bs2_UFORK /* Normally, ufork() is used to switch identities. */ } bs2_ForkType;
static bs2_ForkType forktype = bs2_unknown;
/* Determine the method for forking off a child in such a way as to * set both the POSIX and BS2000 user id's to the unprivileged user. */ static bs2_ForkType os_forktype(int one_process) { /* have we checked the OS version before? If yes return the previous * result - the OS release isn't going to change suddenly! */ if (forktype == bs2_unknown) { /* not initialized yet */
/* No fork if the one_process option was set */ if (one_process) { forktype = bs2_noFORK; } /* If the user is unprivileged, use the normal fork() only. */ else if (getuid() != 0) { forktype = bs2_FORK; } else forktype = bs2_UFORK; } return forktype; }
/* This routine complements the setuid() call: it causes the BS2000 job * environment to be switched to the target user's user id. * That is important if CGI scripts try to execute native BS2000 commands. */ int os_init_job_environment(server_rec *server, const char *user_name, int one_process) { bs2_ForkType type = os_forktype(one_process);
/* We can be sure that no change to uid==0 is possible because of * the checks in http_core.c:set_user() */
if (one_process) {
type = forktype = bs2_noFORK;
ap_log_error(APLOG_MARK, APLOG_ERR, 0, server, APLOGNO(02170) "The debug mode of Apache should only " "be started by an unprivileged user!"); return 0; }
return 0; }
/* BS2000 requires a "special" version of fork() before a setuid() call */ pid_t os_fork(const char *user) { pid_t pid; char username[USER_LEN+1];
switch (os_forktype(0)) {
case bs2_FORK: pid = fork(); break;
case bs2_UFORK: apr_cpystrn(username, user, sizeof username);
/* Make user name all upper case - for some versions of ufork() */ ap_str_toupper(username);
pid = ufork(username); if (pid == -1 && errno == EPERM) { ap_log_error(APLOG_MARK, APLOG_EMERG, errno, ap_server_conf, APLOGNO(02171) "ufork: Possible mis-configuration " "for user %s - Aborting.", user); exit(1); } break;
default: pid = 0; break; }
return pid; }
#else /* _OSD_POSIX */ void bs2000_os_is_not_here() { } #endif /* _OSD_POSIX */
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