diff options
Diffstat (limited to 'modules/aaa/mod_auth_dbm.c')
| -rw-r--r-- | modules/aaa/mod_auth_dbm.c | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/modules/aaa/mod_auth_dbm.c b/modules/aaa/mod_auth_dbm.c deleted file mode 100644 index 0b9fcb4273..0000000000 --- a/modules/aaa/mod_auth_dbm.c +++ /dev/null @@ -1,358 +0,0 @@ -/* ==================================================================== - * The Apache Software License, Version 1.1 - * - * Copyright (c) 2000-2001 The Apache Software Foundation. All rights - * reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. The end-user documentation included with the redistribution, - * if any, must include the following acknowledgment: - * "This product includes software developed by the - * Apache Software Foundation (http://www.apache.org/)." - * Alternately, this acknowledgment may appear in the software itself, - * if and wherever such third-party acknowledgments normally appear. - * - * 4. The names "Apache" and "Apache Software Foundation" must - * not be used to endorse or promote products derived from this - * software without prior written permission. For written - * permission, please contact apache@apache.org. - * - * 5. Products derived from this software may not be called "Apache", - * nor may "Apache" appear in their name, without prior written - * permission of the Apache Software Foundation. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - * - * Portions of this software are based upon public domain software - * originally written at the National Center for Supercomputing Applications, - * University of Illinois, Urbana-Champaign. - */ - -/* - * http_auth: authentication - * - * Rob McCool & Brian Behlendorf. - * - * Adapted to Apache by rst. - * - * dirkx - Added Authoritative control to allow passing on to lower - * modules if and only if the userid is not known to this - * module. A known user with a faulty or absent password still - * causes an AuthRequired. The default is 'Authoritative', i.e. - * no control is passed along. - */ - -#include "apr_lib.h" - -#define APR_WANT_STRFUNC -#include "apr_want.h" - -#if defined(AP_AUTH_DBM_USE_APR) -#include "apr_dbm.h" -#define DBM apr_dbm_t -#define datum apr_datum_t -#define dbm_open apr_dbm_open -#define dbm_fetch apr_dbm_fetch -#define dbm_close apr_dbm_close -#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ - && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 -#include <db1/ndbm.h> -#else -#include <ndbm.h> -#endif - -#include "httpd.h" -#include "http_config.h" -#include "http_core.h" -#include "http_log.h" -#include "http_protocol.h" -#include "http_request.h" /* for ap_hook_(check_user_id | auth_checker)*/ - - -/* - * Module definition information - the part between the -START and -END - * lines below is used by Configure. This could be stored in a separate - * instead. - * - * XXX: this needs updating for apache-2.0 configuration method - * MODULE-DEFINITION-START - * Name: auth_dbm_module - * ConfigStart - . ./build/find-dbm-lib - * ConfigEnd - * MODULE-DEFINITION-END - */ - -typedef struct { - - char *auth_dbmpwfile; - char *auth_dbmgrpfile; - int auth_dbmauthoritative; - -} dbm_auth_config_rec; - -static void *create_dbm_auth_dir_config(apr_pool_t *p, char *d) -{ - dbm_auth_config_rec *conf = apr_pcalloc(p, sizeof(*conf)); - - conf->auth_dbmpwfile = NULL; - conf->auth_dbmgrpfile = NULL; - conf->auth_dbmauthoritative = 1; /* fortress is secure by default */ - - return conf; -} - -static const char *set_dbm_slot(cmd_parms *cmd, void *offset, - const char *f, const char *t) -{ - if (!t || strcmp(t, "dbm")) - return DECLINE_CMD; - - return ap_set_file_slot(cmd, offset, f); -} - -static const command_rec dbm_auth_cmds[] = -{ - AP_INIT_TAKE1("AuthDBMUserFile", ap_set_file_slot, - (void *) XtOffsetOf(dbm_auth_config_rec, auth_dbmpwfile), - OR_AUTHCFG, NULL), - AP_INIT_TAKE1("AuthDBMGroupFile", ap_set_file_slot, - (void *) XtOffsetOf(dbm_auth_config_rec, auth_dbmgrpfile), - OR_AUTHCFG, NULL), - AP_INIT_TAKE12("AuthUserFile", set_dbm_slot, - (void *) XtOffsetOf(dbm_auth_config_rec, auth_dbmpwfile), - OR_AUTHCFG, NULL), - AP_INIT_TAKE12("AuthGroupFile", set_dbm_slot, - (void *) XtOffsetOf(dbm_auth_config_rec, auth_dbmgrpfile), - OR_AUTHCFG, NULL), - AP_INIT_FLAG("AuthDBMAuthoritative", ap_set_flag_slot, - (void *) XtOffsetOf(dbm_auth_config_rec, auth_dbmauthoritative), - OR_AUTHCFG, "Set to 'no' to allow access control to be passed along to lower modules, if the UserID is not known in this module"), - {NULL} -}; - -module AP_MODULE_DECLARE_DATA auth_dbm_module; - -static char *get_dbm_pw(request_rec *r, char *user, char *auth_dbmpwfile) -{ - DBM *f; - datum d, q; - char *pw = NULL; -#ifdef AP_AUTH_DBM_USE_APR - apr_status_t retval; -#endif - q.dptr = user; -#ifndef NETSCAPE_DBM_COMPAT - q.dsize = strlen(q.dptr); -#else - q.dsize = strlen(q.dptr) + 1; -#endif - -#ifdef AP_AUTH_DBM_USE_APR - if (!(retval = dbm_open(&f, auth_dbmpwfile, APR_DBM_READONLY, APR_OS_DEFAULT, r->pool))) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, retval, r, - "could not open sdbm auth file: %s", auth_dbmpwfile); - return NULL; - } - if (dbm_fetch(f, q, &d) == APR_SUCCESS) - /* sorry for the obscurity ... falls through to the - * if (d.dptr) { block ... - */ - -#else - if (!(f = dbm_open(auth_dbmpwfile, O_RDONLY, 0664))) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r, - "could not open dbm auth file: %s", auth_dbmpwfile); - return NULL; - } - d = dbm_fetch(f, q); - -#endif - - if (d.dptr) { - pw = apr_palloc(r->pool, d.dsize + 1); - strncpy(pw, d.dptr, d.dsize); - pw[d.dsize] = '\0'; /* Terminate the string */ - } - - dbm_close(f); - return pw; -} - -/* We do something strange with the group file. If the group file - * contains any : we assume the format is - * key=username value=":"groupname [":"anything here is ignored] - * otherwise we now (0.8.14+) assume that the format is - * key=username value=groupname - * The first allows the password and group files to be the same - * physical DBM file; key=username value=password":"groupname[":"anything] - * - * mark@telescope.org, 22Sep95 - */ - -static char *get_dbm_grp(request_rec *r, char *user, char *auth_dbmgrpfile) -{ - char *grp_data = get_dbm_pw(r, user, auth_dbmgrpfile); - char *grp_colon; - char *grp_colon2; - - if (grp_data == NULL) - return NULL; - - if ((grp_colon = strchr(grp_data, ':')) != NULL) { - grp_colon2 = strchr(++grp_colon, ':'); - if (grp_colon2) - *grp_colon2 = '\0'; - return grp_colon; - } - return grp_data; -} - -static int dbm_authenticate_basic_user(request_rec *r) -{ - dbm_auth_config_rec *conf = ap_get_module_config(r->per_dir_config, - &auth_dbm_module); - const char *sent_pw; - char *real_pw, *colon_pw; - apr_status_t invalid_pw; - int res; - - if ((res = ap_get_basic_auth_pw(r, &sent_pw))) - return res; - - if (!conf->auth_dbmpwfile) - return DECLINED; - - if (!(real_pw = get_dbm_pw(r, r->user, conf->auth_dbmpwfile))) { - if (!(conf->auth_dbmauthoritative)) - return DECLINED; - ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, - "DBM user %s not found: %s", r->user, r->filename); - ap_note_basic_auth_failure(r); - return HTTP_UNAUTHORIZED; - } - /* Password is up to first : if exists */ - colon_pw = strchr(real_pw, ':'); - if (colon_pw) { - *colon_pw = '\0'; - } - invalid_pw = apr_password_validate(sent_pw, real_pw); - if (invalid_pw != APR_SUCCESS) { - ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, - "DBM user %s: authentication failure for \"%s\": " - "Password Mismatch", - r->user, r->uri); - ap_note_basic_auth_failure(r); - return HTTP_UNAUTHORIZED; - } - return OK; -} - -/* Checking ID */ - -static int dbm_check_auth(request_rec *r) -{ - dbm_auth_config_rec *conf = ap_get_module_config(r->per_dir_config, - &auth_dbm_module); - char *user = r->user; - int m = r->method_number; - - const apr_array_header_t *reqs_arr = ap_requires(r); - require_line *reqs = reqs_arr ? (require_line *) reqs_arr->elts : NULL; - - register int x; - const char *t; - char *w; - - if (!conf->auth_dbmgrpfile) - return DECLINED; - if (!reqs_arr) - return DECLINED; - - for (x = 0; x < reqs_arr->nelts; x++) { - - if (!(reqs[x].method_mask & (1 << m))) - continue; - - t = reqs[x].requirement; - w = ap_getword_white(r->pool, &t); - - if (!strcmp(w, "group") && conf->auth_dbmgrpfile) { - const char *orig_groups, *groups; - char *v; - - if (!(groups = get_dbm_grp(r, user, conf->auth_dbmgrpfile))) { - if (!(conf->auth_dbmauthoritative)) - return DECLINED; - ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, - "user %s not in DBM group file %s: %s", - user, conf->auth_dbmgrpfile, r->filename); - ap_note_basic_auth_failure(r); - return HTTP_UNAUTHORIZED; - } - orig_groups = groups; - while (t[0]) { - w = ap_getword_white(r->pool, &t); - groups = orig_groups; - while (groups[0]) { - v = ap_getword(r->pool, &groups, ','); - if (!strcmp(v, w)) - return OK; - } - } - ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, - "user %s not in right group: %s", - user, r->filename); - ap_note_basic_auth_failure(r); - return HTTP_UNAUTHORIZED; - } - } - - return DECLINED; -} - -static void register_hooks(apr_pool_t *p) -{ - ap_hook_check_user_id(dbm_authenticate_basic_user, NULL, NULL, - APR_HOOK_MIDDLE); - ap_hook_auth_checker(dbm_check_auth, NULL, NULL, APR_HOOK_MIDDLE); -} - -module AP_MODULE_DECLARE_DATA auth_dbm_module = -{ - STANDARD20_MODULE_STUFF, - create_dbm_auth_dir_config, /* dir config creater */ - NULL, /* dir merger --- default is to override */ - NULL, /* server config */ - NULL, /* merge server config */ - dbm_auth_cmds, /* command apr_table_t */ - register_hooks /* register hooks */ -}; |