diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/os/bs2000/bs2login.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/os/bs2000/bs2login.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/rubbos/app/httpd-2.0.64/os/bs2000/bs2login.c b/rubbos/app/httpd-2.0.64/os/bs2000/bs2login.c deleted file mode 100644 index a13ad67c..00000000 --- a/rubbos/app/httpd-2.0.64/os/bs2000/bs2login.c +++ /dev/null @@ -1,266 +0,0 @@ -/* 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. - */ - -#ifdef _OSD_POSIX -#include "httpd.h" -#include "http_config.h" -#include "http_log.h" -#include <ctype.h> -#include <sys/utsname.h> - -#define ACCT_LEN 8 -#define USER_LEN 8 - -static const char *bs2000_account = NULL; -typedef enum -{ - bs2_unknown, /* not initialized yet. */ - bs2_noFORK, /* no fork() because -X flag was specified */ - bs2_FORK, /* only fork() because uid != 0 */ - bs2_FORK_RINI, /* prior to A17, regular fork() and _rini() was used. */ - bs2_RFORK_RINI, /* for A17, use of _rfork() and _rini() was required */ - bs2_UFORK /* As of A18, the new ufork() is used. */ -} bs2_ForkType; - -static bs2_ForkType forktype = bs2_unknown; - -#if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) -typedef struct { - char *username; - char *account; - char *processor_name; -} _rini_struct; - -extern int _rini(_rini_struct *); -#endif /* !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) */ - - -static void ap_pad(char *dest, size_t size, char ch) -{ - int i = strlen(dest); /* Leave space for trailing '\0' */ - - while (i < size-1) - dest[i++] = ch; - - dest[size-1] = '\0'; /* Guarantee for trailing '\0' */ -} - -static void ap_str_toupper(char *str) -{ - while (*str) { - *str = apr_toupper(*str); - ++str; - } -} - -/* 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(void) -{ - struct utsname os_version; - - /* 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) { - return forktype; - } - - /* If the user is unprivileged, use the normal fork() only. */ - if (getuid() != 0) { - return forktype = bs2_FORK; - } - - if (uname(&os_version) < 0) - { - ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL, - "uname() failed - aborting."); - exit(APEXIT_CHILDFATAL); - } - - /* - * Old BS2000/OSD versions (before XPG4 SPEC1170) don't work with Apache. - * Anyway, simply return a fork(). - */ - if (strcmp(os_version.release, "01.0A") == 0 || - strcmp(os_version.release, "02.0A") == 0 || - strcmp(os_version.release, "02.1A") == 0) - { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL, - "Error: unsupported OS version. " - "You may encounter problems."); - forktype = bs2_FORK; - } - - /* The following versions are special: - * OS versions before A17 needs regular fork() and _rini(). - * A17 requires _rfork() and _rini(), - * and later versions need ufork(). - */ - else if (strcmp(os_version.release, "01.1A") == 0 || - strcmp(os_version.release, "03.0A") == 0 || - strcmp(os_version.release, "03.1A") == 0 || - strcmp(os_version.release, "04.0A") == 0) - { - if (strcmp (os_version.version, "A18") >= 0) - forktype = bs2_UFORK; - - else if (strcmp (os_version.version, "A17") < 0) - forktype = bs2_FORK_RINI; - - else - forktype = bs2_RFORK_RINI; - } - - /* All later OS versions will hopefully use ufork() only ;-) */ - else - forktype = bs2_UFORK; - - return forktype; -} - - - -/* This routine is called by http_core for the BS2000Account directive */ -/* It stores the account name for later use */ -const char *os_set_account(apr_pool_t *p, const char *account) -{ - char account_temp[ACCT_LEN+1]; - - apr_cpystrn(account_temp, account, sizeof account_temp); - - /* Make account all upper case */ - ap_str_toupper(account_temp); - - /* Pad to length 8 */ - ap_pad(account_temp, sizeof account_temp, ' '); - - bs2000_account = apr_pstrdup(p, account_temp); - return NULL; -} - -/* 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) -{ - _rini_struct inittask; - char username[USER_LEN+1]; - int save_errno; - bs2_ForkType type = os_forktype(); - - /* We can be sure that no change to uid==0 is possible because of - * the checks in http_core.c:set_user() - */ - - /* The _rini() function works only after a prior _rfork(). - * In the case of one_process, it would fail. - */ - if (one_process) { - - type = forktype = bs2_noFORK; - - ap_log_error(APLOG_MARK, APLOG_ERR, 0, server, - "The debug mode of Apache should only " - "be started by an unprivileged user!"); - return 0; - } - - /* If no _rini() is required, then return quickly. */ - if (type != bs2_RFORK_RINI && type != bs2_FORK_RINI) - return 0; - - /* An Account is required for _rini() */ - if (bs2000_account == NULL) - { - ap_log_error(APLOG_MARK, APLOG_ALERT, 0, server, - "No BS2000Account configured - cannot switch to User %s", - user_name); - exit(APEXIT_CHILDFATAL); - } - - apr_cpystrn(username, user_name, sizeof username); - - /* Make user name all upper case */ - ap_str_toupper(username); - - /* Pad to length 8 */ - ap_pad(username, sizeof username, ' '); - - inittask.username = username; - inittask.account = bs2000_account; - inittask.processor_name = " "; - - /* Switch to the new logon user (setuid() and setgid() are done later) */ - /* Only the super user can switch identities. */ - if (_rini(&inittask) != 0) { - - ap_log_error(APLOG_MARK, APLOG_ALERT, errno, server, - "_rini: BS2000 auth failed for user \"%s\" acct \"%s\"", - inittask.username, inittask.account); - - exit(APEXIT_CHILDFATAL); - } - - return 0; -} - -/* BS2000 requires a "special" version of fork() before a setuid()/_rini() call */ -pid_t os_fork(const char *user) -{ - pid_t pid; - char username[USER_LEN+1]; - - switch (os_forktype()) { - case bs2_FORK: - case bs2_FORK_RINI: - pid = fork(); - break; - - case bs2_RFORK_RINI: - pid = _rfork(); - 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, - NULL, "ufork: Possible mis-configuration " - "for user %s - Aborting.", user); - exit(1); - } - break; - - default: - pid = 0; - break; - } - - return pid; -} - -#else /* _OSD_POSIX */ -void bs2login_is_not_here() -{ -} -#endif /* _OSD_POSIX */ |