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Generated from configure.in by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_LBER_H /* Define if your LDAPURLDesc has a lud_scheme member. */ #undef HAVE_LDAPURLDESC_LUD_SCHEME /* Define to 1 if you have the header file. */ #undef HAVE_LDAP_H /* Define to 1 if you have the `lber' library (-llber). */ #undef HAVE_LIBLBER /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS mod_ldap_userdir-1.1.19/mod_ldap_userdir.c0000644000175000017500000010757711770662534017007 0ustar jwmjwm/* * mod_ldap_userdir - LDAP UserDir module for the Apache web server * Copyright 1999 - 2010, John Morrissey * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307, USA. * * * Furthermore, John Morrissey gives permission to link this program with * OpenSSL, and distribute the resulting executable, without including the * source code for OpenSSL in the source distribution. */ /* * mod_ldap_userdir v1.1.19 * * Description: A module for the Apache web server that performs UserDir * (home directory) lookups from an LDAP directory. * * Example (request for /~bar/one/two.html): * * LDAPUserDir public_html -> ~bar/public_html/one/two.html * LDAPUserDir /usr/web -> /usr/web/bar/one/two.html * LDAPUserDir /home/ * /www -> /home/bar/www/one/two.html * NOTE: these ^ ^ spaces are here to allow this to work in a C-style * comment; they should not be included in your configuration. * LDAPUserDir http://x/users/ * -> (302) http://x/users/bar/one/two.html * NOTE: this ^ space is here to allow this to work in a * C-style comment; they should not be included in your * configuration. * LDAPUserDir http://x/ * /y -> (302) http://x/bar/y/one/two.html * NOTE: these ^ ^ spaces are here to allow this to work in a * C-style comment; they should not be included in your * configuration. * * You can use multiple entries, to specify alternate user * directories (a la DirectoryIndex). For example: * * LDAPUserDir public_html public_www * LDAPUserDir public_html /usr/web http://www.xyz.com/users */ #include "config.h" #include "httpd.h" #include "http_config.h" #include "http_log.h" #include "http_request.h" /* httpd.h, please don't complain about my strtoul() usage. * sunos4 doesn't matter much to me. */ #undef strtoul #define APR_WANT_STRFUNC #include "apr_hash.h" #include "apr_strings.h" #include "apr_want.h" #include #if !defined(WIN32) && !defined(OS2) && !defined(BEOS) && !defined(NETWARE) # define HAVE_UNIX_SUEXEC # include "unixd.h" /* Contains the suexec_identity hook used on Unix */ #endif #include #include #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_VENDOR_VERSION >= 192) # define HAS_LDAP_UNBIND_EXT_S #endif #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_VENDOR_VERSION >= 19905) # define HAS_LDAP_INITIALIZE #endif #if LDAP_API_VERSION >= 2000 # define LDAP_VALUE(values, i) (values[i]->bv_val) # define LDAP_VALUE_FREE(values) (ldap_value_free_len(values)) #else # define LDAP_VALUE(values, i) (values[i]) # define LDAP_VALUE_FREE(values) (ldap_value_free(values)) #endif #ifdef HAS_LDAP_UNBIND_EXT_S # define LDAP_UNBIND(ld) (ldap_unbind_ext_s(ld, NULL, NULL)) #else # define LDAP_UNBIND(ld) (ldap_unbind_s(ld, NULL, NULL)) #endif /* Thanks, Sun. */ #ifndef LDAP_OPT_SUCCESS # define LDAP_OPT_SUCCESS LDAP_SUCCESS #endif module AP_MODULE_DECLARE_DATA ldap_userdir_module; typedef struct ldap_userdir_config { char *userdir; apr_array_header_t *userdirs; apr_array_header_t *servers; unsigned int cur_server_index; #if LDAP_API_VERSION >= 2000 char *url; #else /* LDAP_API_VERSION >= 2000 */ char *server; int port; #endif /* LDAP_API_VERSION >= 2000 */ char *ldap_dn, *dn_pass, *basedn, *filter_template, *home_attr, *username_attr, *uidNumber_attr, *gidNumber_attr; int search_scope, protocol_version; int cache_timeout; #ifdef TLS int use_tls; #endif LDAP *ld; unsigned int got_url; apr_hash_t *homedirHt; } ldap_userdir_config; struct hash_entry { time_t inserted_at; char *homedir; char *posix_username; char *uid; char *gid; }; static void * create_ldap_userdir_config(apr_pool_t *p, server_rec *s) { ldap_userdir_config *newcfg = (ldap_userdir_config *) apr_pcalloc(p, sizeof(ldap_userdir_config)); newcfg->userdirs = apr_array_make(p, 1, sizeof(char *)); newcfg->servers = apr_array_make(p, 2, sizeof(char *)); #if LDAP_API_VERSION < 2000 newcfg->port = -1; #endif /* LDAP_API_VERSION < 2000 */ newcfg->search_scope = -1; newcfg->protocol_version = -1; #ifdef TLS newcfg->use_tls = -1; #endif /* TLS */ newcfg->cache_timeout = -1; newcfg->homedirHt = apr_hash_make(p); return (void *)newcfg; } static void * merge_ldap_userdir_config(apr_pool_t *p, void *server1_conf, void *server2_conf) { ldap_userdir_config *s_cfg1 = (ldap_userdir_config *) server1_conf, *s_cfg2 = (ldap_userdir_config *) server2_conf; ldap_userdir_config *merged_cfg = (ldap_userdir_config *) apr_pcalloc(p, sizeof(ldap_userdir_config)); memcpy(merged_cfg, s_cfg2, sizeof(ldap_userdir_config)); if (!merged_cfg->userdirs) { merged_cfg->userdirs = apr_array_copy_hdr(p, s_cfg1->userdirs); } if (!merged_cfg->servers) { merged_cfg->servers = apr_array_copy_hdr(p, s_cfg1->servers); } #if LDAP_API_VERSION >= 2000 if (!merged_cfg->url) { merged_cfg->url = apr_pstrdup(p, s_cfg1->url); } #else /* LDAP_API_VERSION >= 2000 */ if (!merged_cfg->server) { merged_cfg->server = apr_pstrdup(p, s_cfg1->server); } if (merged_cfg->port == -1) { merged_cfg->port = s_cfg1->port; } #endif /* LDAP_API_VERSION >= 2000 */ if (!merged_cfg->ldap_dn) { merged_cfg->ldap_dn = apr_pstrdup(p, s_cfg1->ldap_dn); } if (!merged_cfg->dn_pass) { merged_cfg->dn_pass = apr_pstrdup(p, s_cfg1->dn_pass); } if (!merged_cfg->basedn) { merged_cfg->basedn = apr_pstrdup(p, s_cfg1->basedn); } if (!merged_cfg->filter_template) { merged_cfg->filter_template = apr_pstrdup(p, s_cfg1->filter_template); } if (!merged_cfg->home_attr) { merged_cfg->home_attr = apr_pstrdup(p, s_cfg1->home_attr); } if (!merged_cfg->username_attr) { merged_cfg->username_attr = apr_pstrdup(p, s_cfg1->username_attr); } if (!merged_cfg->uidNumber_attr) { merged_cfg->uidNumber_attr = apr_pstrdup(p, s_cfg1->uidNumber_attr); } if (!merged_cfg->gidNumber_attr) { merged_cfg->gidNumber_attr = apr_pstrdup(p, s_cfg1->gidNumber_attr); } if (merged_cfg->search_scope == -1) { merged_cfg->search_scope = s_cfg1->search_scope; } if (merged_cfg->protocol_version == -1) { merged_cfg->protocol_version = s_cfg1->protocol_version; } if (merged_cfg->cache_timeout == -1) { merged_cfg->cache_timeout = s_cfg1->cache_timeout; } #ifdef TLS if (merged_cfg->use_tls == -1) { merged_cfg->use_tls = s_cfg1->use_tls; } #endif /* TLS */ return (void *) merged_cfg; } static const char * set_ldap_user_dir(cmd_parms *cmd, void *dummy, const char *arg) { ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); if (strlen(arg) == 0) { return "LDAPUserDir must be supplied with the public subdirectory in users' home directories (for example, 'public_html' or '.')."; } *(char **)apr_array_push(s_cfg->userdirs) = apr_pstrdup(cmd->pool, arg); return NULL; } static const char * set_url(cmd_parms *cmd, void *dummy, const char *arg) { ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); LDAPURLDesc *url; #if LDAP_API_VERSION < 2000 if (s_cfg->server) { return "LDAPUserDirServerURL can't be combined with LDAPUserDirServer."; } #endif /* LDAP_API_VERSION < 2000 */ if (s_cfg->basedn || s_cfg->filter_template || s_cfg->search_scope != -1) { return "LDAPUserDirServerURL can't be combined with LDAPUserDirBaseDN, LDAPUserDirFilter, or LDAPUserDirSearchScope."; } s_cfg->got_url = 1; if (ldap_url_parse(arg, &url) != LDAP_SUCCESS) { return "LDAPUserDirServerURL must be supplied with a valid LDAP URL."; } #ifdef HAVE_LDAPURLDESC_LUD_SCHEME # define SCHEME_IS(scheme) \ ((strlen(url->lud_scheme) == strlen(scheme) - 1) && \ (strncasecmp(url->lud_scheme, scheme, strlen(scheme) - 1) == 0)) #else /* HAVE_LDAPURLDESC_LUD_SCHEME */ # define SCHEME_IS(scheme) (strncasecmp(arg, scheme, strlen(scheme)) == 0) #endif /* HAVE_LDAPURLDESC_LUD_SCHEME */ if (!SCHEME_IS("ldaps:") && !SCHEME_IS("ldap:")) { return "Invalid scheme specified by LDAPUserDirServerURL. Valid schemes are 'ldap' or 'ldaps'."; } #ifdef TLS if (SCHEME_IS("ldaps:") && s_cfg->use_tls != -1) { return "ldaps:// scheme in LDAPUserDirServerURL can't be combined with LDAPUserDirUseTLS."; } #endif /* TLS */ ldap_free_urldesc(url); *(char **)apr_array_push(s_cfg->servers) = apr_pstrdup(cmd->pool, arg); return NULL; } static const char * set_server(cmd_parms *cmd, void *dummy, const char *arg) { char *word; ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); if (s_cfg->got_url) { return "LDAPUserDirServer can't be combined with LDAPUserDirServerURL."; } while (*arg) { word = ap_getword_conf(cmd->pool, &arg); if (strlen(word) == 0) { return "LDAPUserDirServer must be supplied with the name of an LDAP server."; } *(char **)apr_array_push(s_cfg->servers) = word; } return NULL; } static const char * set_ldap_dninfo(cmd_parms *cmd, void *dummy, const char *dn, const char *pass) { ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); if (strlen(dn) == 0) { return "LDAPUserDirDNInfo must be supplied with a LDAP DN to bind as."; } if (strlen(pass) == 0) { return "LDAPUserDirDNInfo must be supplied with a password to bind with."; } s_cfg->ldap_dn = (char *)dn; s_cfg->dn_pass = (char *)pass; return NULL; } static const char * set_basedn(cmd_parms *cmd, void *dummy, const char *arg) { ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); if (s_cfg->got_url) { return "LDAPUserDirBaseDN can't be combined with LDAPUserDirServerURL."; } if (strlen(arg) == 0) { return "LDAPUserDirBaseDN must be supplied with the LDAP base DN to use for UserDir lookups."; } s_cfg->basedn = apr_pstrdup(cmd->pool, arg); return NULL; } static const char * set_filter_template(cmd_parms *cmd, void *dummy, const char *arg) { ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); if (s_cfg->got_url) { return "LDAPUserDirFilter can't be combined with LDAPUserDirServerURL."; } if (strlen(arg) == 0) { return "LDAPUserDirFilter must be supplied with a filter template to use for LDAP UserDir lookups."; } s_cfg->filter_template = apr_pstrdup(cmd->pool, arg); return NULL; } static const char * set_search_scope(cmd_parms *cmd, void *dummy, const char *arg) { ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); if (s_cfg->got_url) { return "LDAPUserDirSearchScope can't be combined with LDAPUserDirServerURL."; } if (strlen(arg) == 0) { return "LDAPUserDirSearchScope must be supplied with a search scope (\"onelevel\" or \"subtree\")"; } if (strcasecmp(arg, "onelevel") == 0) { s_cfg->search_scope = LDAP_SCOPE_ONELEVEL; return NULL; } else if (strcasecmp(arg, "subtree") == 0) { s_cfg->search_scope = LDAP_SCOPE_SUBTREE; return NULL; } return "LDAPUserDirSearchScope must be either \"onelevel\" or \"subtree\"."; } static const char * set_use_tls(cmd_parms *cmd, void *dummy, int arg) { #ifdef TLS ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); int i; char *item; LDAPURLDesc *url; if (arg == 1) { for (i = 0; i < s_cfg->servers->nelts; ++i) { item = ((char **)(s_cfg->servers->elts))[i]; if (!ldap_is_ldap_url(item)) { /* We default to plaintext LDAP for bare hosts. */ continue; } if (ldap_url_parse(item, &url) != LDAP_URL_SUCCESS) { /* set_url should have syntax checked the URL, * so this should never happen. */ continue; } if (strcasecmp(url->lud_scheme, "ldaps") == 0) { return "LDAPUserDirUseTLS can't be combined with ldaps:// in LDAPUserDirServerURL."; } } } if (s_cfg->protocol_version < 3 && s_cfg->protocol_version != -1) { return "LDAPProtocolVersion must be set to version 3 to use the LDAPUserDirUseTLS directive."; } s_cfg->use_tls = arg; return NULL; #else return "mod_ldap_userdir was not built with LDAP TLS support."; #endif /* TLS */ } static const char * set_attr_name(cmd_parms *cmd, void *dummy, const char *our_attr, const char *their_attr) { ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); if (strlen(their_attr) == 0) { return "LDAPAttributeName must be supplied with a non-empty attribute name for its second argument, such as \"homeDirectory\""; } if (strcasecmp(our_attr, "homeDirectory") == 0) { s_cfg->home_attr = apr_pstrdup(cmd->pool, their_attr); } else if (strcasecmp(our_attr, "uid") == 0) { s_cfg->username_attr = apr_pstrdup(cmd->pool, their_attr); } else if (strcasecmp(our_attr, "uidNumber") == 0) { s_cfg->uidNumber_attr = apr_pstrdup(cmd->pool, their_attr); } else if (strcasecmp(our_attr, "gidNumber") == 0) { s_cfg->gidNumber_attr = apr_pstrdup(cmd->pool, their_attr); } else { return "LDAPAttributeName accepts only \"homeDirectory\", \"uid\", \"uidNumber\", or \"gidNumber\" for its first argument."; } return NULL; } static const char * set_cache_timeout(cmd_parms *cmd, void *dummy, const char *arg) { char *invalid_char = NULL; ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); s_cfg->cache_timeout = strtol(arg, &invalid_char, 10); if (arg[0] == '\0' || *invalid_char != '\0') { return "LDAPUserDirCacheTimeout must be supplied with a numeric cache timeout."; } return NULL; } static const char * set_ldap_protocol_version(cmd_parms *cmd, void *dummy, const char *arg) { char *invalid_char = NULL; ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(cmd->server->module_config, &ldap_userdir_module); s_cfg->protocol_version = strtol(arg, &invalid_char, 10); if (arg[0] == '\0' || *invalid_char != '\0' || (s_cfg->protocol_version != 2 && s_cfg->protocol_version != 3)) { return "LDAPProtocolVersion must be set as version 2 or version 3."; } #ifdef TLS if (s_cfg->protocol_version < 3 && s_cfg->use_tls != -1) { return "LDAPProtocolVersion must be set to version 3 to use the LDAPUserDirUseTLS directive."; } #endif /* TLS */ return NULL; } static void apply_config_defaults(ldap_userdir_config *cfg) { if (!cfg->home_attr) { cfg->home_attr = "homeDirectory"; } if (!cfg->username_attr) { cfg->username_attr = "uid"; } if (!cfg->uidNumber_attr) { cfg->uidNumber_attr = "uidNumber"; } if (!cfg->gidNumber_attr) { cfg->gidNumber_attr = "gidNumber"; } #if LDAP_API_VERSION < 2000 if (cfg->port == -1) { cfg->port = LDAP_PORT; } #endif /* LDAP_API_VERSION < 2000 */ if (cfg->search_scope == -1) { cfg->search_scope = LDAP_SCOPE_SUBTREE; } if (cfg->cache_timeout == -1) { cfg->cache_timeout = 300; } if (cfg->protocol_version == -1) { cfg->protocol_version = 3; } #ifdef TLS if (cfg->use_tls == -1) { cfg->use_tls = 0; } #endif /* TLS */ } static int init_ldap_userdir(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s) { for (; s; s = s->next) { ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(s->module_config, &ldap_userdir_module); apply_config_defaults(s_cfg); } ap_add_version_component(pconf, "mod_ldap_userdir/1.1.19"); return OK; } static char * result2errmsg(const request_rec *r, LDAP *ld, LDAPMessage *result) { int ret; char *result_errmsg, *errmsg; #if LDAP_API_VERSION >= 2000 ret = ldap_parse_result(ld, result, NULL, NULL, &result_errmsg, NULL, NULL, 0); if (ret == LDAP_SUCCESS) { errmsg = apr_pstrdup(r->pool, result_errmsg); ldap_memfree(result_errmsg); } else { errmsg = "Unknown"; } #else errmsg = ldap_err2string(ldap_result2error(ld, result, 0)); #endif return errmsg; } static int _ldap_connect(ldap_userdir_config *s_cfg) { int ret, sizelimit = 2, version; #if LDAP_API_VERSION >= 2000 struct berval bindcred; #endif #ifdef HAS_LDAP_INITIALIZE ret = ldap_initialize(&(s_cfg->ld), s_cfg->url); if (ret != LDAP_SUCCESS) { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: ldap_initialize() to %s failed: %s", s_cfg->url, strerror(ret)); return -1; } #else /* HAS_LDAP_INITIALIZE */ if ((s_cfg->ld = (LDAP *) ldap_init(s_cfg->server, s_cfg->port)) == NULL) { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: ldap_init() to %s failed: %s", s_cfg->server, strerror(errno)); return -1; } #endif /* HAS_LDAP_INITIALIZE */ switch (s_cfg->protocol_version) { case 2: version = LDAP_VERSION2; break; case 3: default: version = LDAP_VERSION3; break; } if ((ret = ldap_set_option(s_cfg->ld, LDAP_OPT_PROTOCOL_VERSION, &version)) != LDAP_OPT_SUCCESS) { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: Setting LDAP version option failed: %s", ldap_err2string(ret)); LDAP_UNBIND(s_cfg->ld); s_cfg->ld = NULL; return -1; } #ifdef TLS if (s_cfg->use_tls) { if ((ret = ldap_start_tls_s(s_cfg->ld, NULL, NULL)) != LDAP_SUCCESS) { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: Starting TLS failed: %s", ldap_err2string(ret)); LDAP_UNBIND(s_cfg->ld); s_cfg->ld = NULL; return -1; } } #endif /* TLS */ #if LDAP_API_VERSION >= 2000 bindcred.bv_val = s_cfg->dn_pass; if (s_cfg->dn_pass != NULL) { bindcred.bv_len = strlen(s_cfg->dn_pass); } else { bindcred.bv_len = 0; } ret = ldap_sasl_bind_s(s_cfg->ld, s_cfg->ldap_dn, NULL, &bindcred, NULL, NULL, NULL); #else /* LDAP_API_VERSION >= 2000 */ ret = ldap_simple_bind_s(s_cfg->ld, s_cfg->ldap_dn, s_cfg->dn_pass); #endif /* LDAP_API_VERSION >= 2000 */ if (ret != LDAP_SUCCESS) { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: bind as %s failed: %s", s_cfg->ldap_dn, ldap_err2string(ret)); return -1; } /* I couldn't think of a better way to do this without having autoconf * jump through hoops to detect whether ldap_set_option is present. * I think this works fairly well, though, as we're sure to need * LDAP_OPT_SIZELIMIT to use ldap_set_option in this case. :-) */ #ifdef LDAP_OPT_SIZELIMIT if ((ret = ldap_set_option(s_cfg->ld, LDAP_OPT_SIZELIMIT, (void *)&sizelimit)) != LDAP_OPT_SUCCESS) ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: ldap_set_option() unable to set query size limit to 2 entries: %s", ldap_err2string(ret)); #else /* LDAP_OPT_SIZELIMIT */ s_cfg->ld->ld_sizelimit = sizelimit; #endif /* LDAP_OPT_SIZELIMIT */ return 1; } static int connect_ldap_userdir(request_rec *r, ldap_userdir_config *s_cfg) { int start_server_index; char *item; LDAPURLDesc *url; start_server_index = s_cfg->cur_server_index; do { /* We won't have any configured servers if no * LDAPUserDirServer* directives were specified. * Fall back and use the SDK default if so. */ if (s_cfg->servers->nelts) { item = ((char **)(s_cfg->servers->elts))[s_cfg->cur_server_index]; if (ldap_is_ldap_url(item)) { if (ldap_url_parse(item, &url) != LDAP_URL_SUCCESS) { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: URL %s was valid at startup, but is no longer valid?!", item); ++(s_cfg->cur_server_index); if (s_cfg->cur_server_index >= s_cfg->servers->nelts) { s_cfg->cur_server_index = 0; } continue; } #ifdef HAS_LDAP_INITIALIZE s_cfg->url = apr_pstrdup(r->server->process->pool, item); #else /* HAS_LDAP_INITIALIZE */ if (url->lud_host != NULL) { s_cfg->server = apr_pstrdup(r->server->process->pool, url->lud_host); } if (url->lud_port != 0) { s_cfg->port = url->lud_port; } #endif /* HAS_LDAP_INITIALIZE */ if (url->lud_dn != NULL) { s_cfg->basedn = apr_pstrdup(r->server->process->pool, url->lud_dn); } if (url->lud_filter != NULL) { s_cfg->filter_template = apr_pstrdup(r->server->process->pool, url->lud_filter); } s_cfg->search_scope = url->lud_scope; if (s_cfg->search_scope == LDAP_SCOPE_BASE) { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_DEBUG, 0, NULL, "mod_ldap_userdir: WARNING: LDAP URL search scopes default to 'base' (not 'sub') and may not be what you want."); } ldap_free_urldesc(url); } else { #ifdef HAS_LDAP_INITIALIZE s_cfg->url = apr_pstrcat(r->server->process->pool, "ldap://", item, "/", NULL); #else /* HAS_LDAP_INITIALIZE */ s_cfg->server = apr_pstrdup(r->server->process->pool, item); s_cfg->port = LDAP_PORT; #endif /* HAS_LDAP_INITIALIZE */ } } if (_ldap_connect(s_cfg) == 1) { return 1; } ++s_cfg->cur_server_index; if (s_cfg->cur_server_index >= s_cfg->servers->nelts) { s_cfg->cur_server_index = 0; } } while (s_cfg->cur_server_index != start_server_index); return -1; } static char * generate_filter(apr_pool_t *p, char *template, const char *entity) { char *filter, *pos; int num_escapes = 0, i = 0, j = 0; pos = template; while ((pos = ap_strstr(pos + 2, "%v")) != NULL) { ++num_escapes; } pos = template; while ((pos = ap_strstr(pos + 2, "%u")) != NULL) { ++num_escapes; } /* -2 for the %u/%v, +1 for the NULL */ filter = apr_pcalloc(p, strlen(template) - (num_escapes * 2) + (num_escapes * strlen(entity)) + 1); while (template[i] != '\0') { if (template[i] == '%' && (template[i + 1] == 'u' || template[i + 1] == 'v')) { strcat(filter, entity); j += strlen(entity); i += 2; } else { filter[j++] = template[i++]; } } return filter; } void free_entry(struct hash_entry **entry) { if (!*entry) { return; } if ((*entry)->homedir) { free((*entry)->homedir); } if ((*entry)->posix_username) { free((*entry)->posix_username); } if ((*entry)->uid) { free((*entry)->uid); } if ((*entry)->gid) { free((*entry)->gid); } free((*entry)); *entry = NULL; } static struct hash_entry * cache_fetch(const ldap_userdir_config *s_cfg, const char *username) { struct hash_entry *entry; /* A cache timeout of 0 disables caching. */ if (s_cfg->cache_timeout == 0) { return NULL; } entry = apr_hash_get(s_cfg->homedirHt, username, APR_HASH_KEY_STRING); if (entry == NULL) { return NULL; } /* If this entry is still valid, return it. Otherwise, expire the * stale entry. */ if (entry->inserted_at + s_cfg->cache_timeout > time(NULL)) { return entry; } free_entry(&entry); apr_hash_set(s_cfg->homedirHt, username, APR_HASH_KEY_STRING, NULL); return NULL; } static struct hash_entry * get_ldap_homedir(ldap_userdir_config *s_cfg, request_rec *r, const char *username) { char *filter, *attrs[] = {s_cfg->home_attr, s_cfg->username_attr, s_cfg->uidNumber_attr, s_cfg->gidNumber_attr, NULL}; int i = 0, ret; #if LDAP_API_VERSION >= 2000 struct timeval timeout; struct berval **values; #else char **values; #endif LDAPMessage *result, *e; struct hash_entry *entry; entry = cache_fetch(s_cfg, username); if (entry != NULL) { return entry; } /* If we haven't even connected yet, try to connect. If we still can't connect, give up. */ if (s_cfg->ld == NULL) { if (connect_ldap_userdir(r, s_cfg) != 1) { return NULL; } } if (s_cfg->filter_template && *(s_cfg->filter_template)) { filter = generate_filter(r->pool, s_cfg->filter_template, username); } else { filter = generate_filter(r->pool, "(&(uid=%u)(objectClass=posixAccount))", username); } #if LDAP_API_VERSION >= 2000 timeout.tv_sec = 2; timeout.tv_usec = 0; ret = ldap_search_ext_s(s_cfg->ld, s_cfg->basedn, s_cfg->search_scope, filter, attrs, 0, NULL, NULL, &timeout, 2, &result); #else /* LDAP_API_VERSION >= 2000 */ ret = ldap_search_s(s_cfg->ld, s_cfg->basedn, s_cfg->search_scope, filter, attrs, 0, &result); #endif /* LDAP_API_VERSION >= 2000 */ if (ret != LDAP_SUCCESS) { /* If the LDAP server went away, try to reconnect. If the reconnect * fails, give up and log accordingly. */ if (ret == LDAP_SERVER_DOWN) { LDAP_UNBIND(s_cfg->ld); if (connect_ldap_userdir(r, s_cfg) != 1) { ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, "mod_ldap_userdir: LDAP server went away, couldn't reconnect. Declining request."); s_cfg->ld = NULL; return NULL; } #if LDAP_API_VERSION >= 2000 ret = ldap_search_ext_s(s_cfg->ld, s_cfg->basedn, s_cfg->search_scope, filter, attrs, 0, NULL, NULL, &timeout, 2, &result); #else /* LDAP_API_VERSION >= 2000 */ ret = ldap_search_s(s_cfg->ld, s_cfg->basedn, s_cfg->search_scope, filter, attrs, 0, &result); #endif /* LDAP_API_VERSION >= 2000 */ if (ret != LDAP_SUCCESS) { ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, "mod_ldap_userdir: LDAP search failed: %s", ldap_err2string(ret)); return NULL; } } else { ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, "mod_ldap_userdir: LDAP search failed: %s", ldap_err2string(ret)); return NULL; } } if ((ret = ldap_count_entries(s_cfg->ld, result)) > 1) { ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, "mod_ldap_userdir: found too many entries (%d entries) for query, expecting 1 entry. Ignoring LDAP results.", ret); ldap_msgfree(result); return NULL; } else if (ret < 1) { /* We didn't find any users, don't bother calling ldap_first_entry(). */ return NULL; } if ((e = ldap_first_entry(s_cfg->ld, result)) == NULL) { ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, "mod_ldap_userdir: ldap_first_entry() failed: %s", result2errmsg(r, s_cfg->ld, result)); ldap_msgfree(result); return NULL; } entry = (struct hash_entry *) calloc(1, sizeof(struct hash_entry)); if (entry == NULL) { ldap_msgfree(result); return NULL; } while (attrs[i] != NULL) { #if LDAP_API_VERSION >= 2000 values = ldap_get_values_len(s_cfg->ld, e, attrs[i]); #else values = ldap_get_values(s_cfg->ld, e, attrs[i]); #endif if (!values) { if (strcmp(attrs[i], s_cfg->username_attr) == 0 || strcmp(attrs[i], s_cfg->home_attr) == 0) { ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, "mod_ldap_userdir: user %s has no %s attr, skipping request.", username, attrs[i]); free_entry(&entry); ldap_msgfree(result); return NULL; } ++i; continue; } /* There doesn't seem to be any per-server/thread pool we can use * here, so we need to jump through some hoops to make sure we * don't leak if anything fails. */ if (strcmp(attrs[i], s_cfg->home_attr) == 0) { entry->homedir = strdup(LDAP_VALUE(values, 0)); LDAP_VALUE_FREE(values); if (entry->homedir == NULL) { free_entry(&entry); ldap_msgfree(result); return NULL; } } else if (strcmp(attrs[i], s_cfg->username_attr) == 0) { entry->posix_username = strdup(LDAP_VALUE(values, 0)); LDAP_VALUE_FREE(values); if (entry->posix_username == NULL) { free_entry(&entry); ldap_msgfree(result); return NULL; } } else if (strcmp(attrs[i], s_cfg->uidNumber_attr) == 0) { entry->uid = strdup(LDAP_VALUE(values, 0)); LDAP_VALUE_FREE(values); if (entry->uid == NULL) { free_entry(&entry); ldap_msgfree(result); return NULL; } } else if (strcmp(attrs[i], s_cfg->gidNumber_attr) == 0) { entry->gid = strdup(LDAP_VALUE(values, 0)); LDAP_VALUE_FREE(values); if (entry->gid == NULL) { free_entry(&entry); ldap_msgfree(result); return NULL; } } else { ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r, "mod_ldap_userdir: ldap_get_values() loop found unknown attr %s", attrs[i]); LDAP_VALUE_FREE(values); } ++i; } /* A cache timeout of 0 disables caching. */ if (s_cfg->cache_timeout != 0) { entry->inserted_at = time(NULL); apr_hash_set(s_cfg->homedirHt, entry->posix_username, APR_HASH_KEY_STRING, entry); } ldap_msgfree(result); return entry; } static int translate_ldap_userdir(request_rec *r) { const char *w, *dname; char *name = r->uri; int userdir_index; const ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(r->server->module_config, &ldap_userdir_module); request_rec *notes_req; struct hash_entry *user_info; /* If the URI doesn't match our basic pattern, we've nothing to do * with it. */ if ((s_cfg->userdirs->nelts == 0) || (name[0] != '/') || (name[1] != '~')) { return DECLINED; } dname = name + 2; w = ap_getword(r->pool, &dname, '/'); /* This 'dname' funny business involves backing it up to capture the '/' * delimiting the "/~user" part from the rest of the URL, in case there * was one (the case where there wasn't being just "GET /~user HTTP/1.0", * for which we don't want to tack on a '/' onto the filename). */ if (dname[-1] == '/') { --dname; } /* If there's no username, it's not for us. Ignore . and .. as well. */ if (w[0] == '\0' || (w[1] == '.' && (w[2] == '\0' || (w[2] == '.' && w[3] == '\0')))) { return DECLINED; } user_info = get_ldap_homedir((ldap_userdir_config *)s_cfg, r, w); if (user_info == NULL) { return DECLINED; } userdir_index = 0; while (userdir_index < s_cfg->userdirs->nelts) { const char *userdir = ((char **)(s_cfg->userdirs->elts))[userdir_index]; ++userdir_index; char *filename; apr_finfo_t statbuf; apr_status_t rv; int is_absolute = ap_os_is_path_absolute(r->pool, userdir); char *x = NULL, *redirect; if (ap_strchr_c(userdir, '*')) { x = ap_getword(r->pool, &userdir, '*'); } if (userdir[0] == '\0' || is_absolute) { if (x) { if (ap_strstr_c(x, "://") && !is_absolute) { redirect = apr_pstrcat(r->pool, x, w, userdir, dname, NULL); apr_table_setn(r->headers_out, "Location", redirect); return HTTP_MOVED_TEMPORARILY; } else { filename = apr_pstrcat(r->pool, x, w, userdir, NULL); } } else { filename = apr_pstrcat(r->pool, userdir, "/", w, NULL); } } else if (x && ap_strstr_c(x, "://")) { redirect = apr_pstrcat(r->pool, x, w, userdir, dname, NULL); apr_table_setn(r->headers_out, "Location", redirect); return HTTP_MOVED_TEMPORARILY; } else { filename = apr_pstrcat(r->pool, user_info->homedir, "/", userdir, NULL); } /* Now see if it exists, or we're at the last entry. If we're * at the last entry, then use the filename generated (if there * is one) anyway, in the hope that some handler might handle * it. This can be used, for example, to run a CGI script for * the user. */ if (filename && (userdir_index >= s_cfg->userdirs->nelts || ((rv = apr_stat(&statbuf, filename, APR_FINFO_MIN, r->pool)) == APR_SUCCESS || rv == APR_INCOMPLETE))) { r->filename = apr_pstrcat(r->pool, filename, dname, NULL); /* When statbuf contains info on r->filename, we can save * a syscall by copying it to r->finfo. */ if (userdir_index < s_cfg->userdirs->nelts && dname[0] == 0) { r->finfo = statbuf; } /* We could be servicing a sub-request; make sure we put notes * on the main request. */ if (r->main) { notes_req = r->main; } else { notes_req = r; } /* For use in the get_suexec_identity phase. */ apr_table_setn(notes_req->notes, "mod_ldap_userdir_user", user_info->posix_username); apr_table_setn(notes_req->notes, "mod_ldap_userdir_uid", user_info->uid); apr_table_setn(notes_req->notes, "mod_ldap_userdir_gid", user_info->gid); return OK; } } return DECLINED; } #ifdef HAVE_UNIX_SUEXEC static ap_unix_identity_t *get_suexec_id_doer(const request_rec *r) { const char *username = apr_table_get(r->notes, "mod_ldap_userdir_user"), *uidNumber = apr_table_get(r->notes, "mod_ldap_userdir_uid"), *gidNumber = apr_table_get(r->notes, "mod_ldap_userdir_gid"); char *endptr = NULL; const ldap_userdir_config *s_cfg = (ldap_userdir_config *) ap_get_module_config(r->server->module_config, &ldap_userdir_module); ap_unix_identity_t *ugid; if (!username) { return NULL; } if (!uidNumber) { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: user %s has no %s attr, ignoring suexec request.", username, s_cfg->uidNumber_attr); return NULL; } if (!gidNumber) { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: user %s has no %s attr, ignoring suexec request.", username, s_cfg->gidNumber_attr); return NULL; } ugid = apr_palloc(r->pool, sizeof(ap_unix_identity_t *)); if (ugid == NULL) { return NULL; } ugid->uid = (uid_t) strtoul(uidNumber, &endptr, 10); if (*endptr != '\0') { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: user %s has invalid UID %s, ignoring suexec request.", username, uidNumber); return NULL; } ugid->gid = (gid_t) strtoul(gidNumber, &endptr, 10); if (*endptr != '\0') { ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, NULL, "mod_ldap_userdir: user %s has invalid GID %s, ignoring suexec request.", username, gidNumber); return NULL; } ugid->userdir = 1; return ugid; } #endif /* HAVE_UNIX_SUEXEC */ static void register_hooks(apr_pool_t *p) { static const char *const aszPre[] = {"mod_alias.c", NULL}; static const char *const aszSucc[] = {"mod_vhost_alias.c", NULL}; ap_hook_translate_name(translate_ldap_userdir, aszPre, aszSucc, APR_HOOK_MIDDLE); ap_hook_post_config(init_ldap_userdir, NULL, NULL, APR_HOOK_MIDDLE); #ifdef HAVE_UNIX_SUEXEC ap_hook_get_suexec_identity(get_suexec_id_doer, NULL, NULL, APR_HOOK_FIRST); #endif } static const command_rec ldap_userdir_cmds[] = { AP_INIT_ITERATE("LDAPUserDir", set_ldap_user_dir, NULL, RSRC_CONF, "the public subdirectory in users' home directories"), AP_INIT_ITERATE("LDAPUserDirServer", set_server, NULL, RSRC_CONF, "the LDAP directory server that will be used for LDAP UserDir queries"), AP_INIT_ITERATE("LDAPUserDirServerURL", set_url, NULL, RSRC_CONF, "the LDAP URL that will be used for LDAP UserDir queries"), AP_INIT_TAKE2("LDAPUserDirDNInfo", set_ldap_dninfo, NULL, RSRC_CONF, "the DN and password that will be used to bind to the LDAP server when doing LDAP UserDir lookups"), AP_INIT_TAKE1("LDAPUserDirBaseDN", set_basedn, NULL, RSRC_CONF, "the base DN that will be used when doing LDAP UserDir lookups"), AP_INIT_TAKE1("LDAPUserDirFilter", set_filter_template, NULL, RSRC_CONF, "a template that will be used for the LDAP filter when doing LDAP UserDir lookups (%u and %v are replaced with the username being resolved)"), AP_INIT_TAKE1("LDAPUserDirSearchScope", set_search_scope, NULL, RSRC_CONF, "the LDAP search scope (\"onelevel\" or \"subtree\") that will be used when doing LDAP UserDir lookups"), AP_INIT_FLAG("LDAPUserDirUseTLS", set_use_tls, NULL, RSRC_CONF, "whether to use an encrypted connection to the LDAP server"), AP_INIT_TAKE2("LDAPAttributeName", set_attr_name, NULL, RSRC_CONF, "alternate LDAP attribute names to use"), AP_INIT_TAKE1("LDAPUserDirCacheTimeout", set_cache_timeout, NULL, RSRC_CONF, "how long, in seconds, to store cached LDAP entries"), AP_INIT_TAKE1("LDAPProtocolVersion", set_ldap_protocol_version, NULL, RSRC_CONF, "the LDAP protocol version to use"), {NULL} }; module AP_MODULE_DECLARE_DATA ldap_userdir_module = { STANDARD20_MODULE_STUFF, NULL, /* dir config creater */ NULL, /* dir merger --- default is to override */ create_ldap_userdir_config, /* server config */ merge_ldap_userdir_config, /* merge server config */ ldap_userdir_cmds, /* command table */ register_hooks /* register hooks */ }; mod_ldap_userdir-1.1.19/Makefile.in0000644000175000017500000000126311770662534015355 0ustar jwmjwmAPXS=@APXS@ CPPFLAGS=@CPPFLAGS@ LDFLAGS=@LDFLAGS@ LIBS=@LIBS@ TLS=@TLS@ ACTIVATE=@ACTIVATE@ TARGET=.libs/mod_ldap_userdir.so $(TARGET): Makefile mod_ldap_userdir.c $(APXS) -c $(CPPFLAGS) $(LDFLAGS) $(LIBS) $(TLS) mod_ldap_userdir.c install: $(TARGET) $(APXS) -in ldap_userdir $(ACTIVATE) $(TARGET) clean: rm -rf *.lo *.la *.slo *.so *.o .libs/ *~ core distclean: clean rm -rf Makefile config.status config.cache config.log config.h autom4te.cache/ configure: configure.in autoconf config.status: configure ./config.status --recheck config.h.in: configure.in autoheader config.h: config.h.in config.status ./config.status Makefile: Makefile.in config.status ./config.status mod_ldap_userdir-1.1.19/mod_ldap_userdir.spec0000644000175000017500000000336611770662534017506 0ustar jwmjwm# conditional build: # '_with_tls' if '--with tls' # e.g., # 'rpmbuild --with tls -bt mod_ldap_userdir-1.1.19.tar.bz2' %define __module_name ldap_userdir Name: mod_%{__module_name} Version: 1.1.19 Release: 1 URL: http://horde.net/~jwm/software/mod_ldap_userdir/ Source: http://horde.net/~jwm/software/mod_ldap_userdir/%{name}-%{version}.tar.bz2 Source1: %{__module_name}.conf Group: System Environment/Daemons License: GPL Requires: httpd BuildRequires: httpd-devel Requires: openldap BuildRequires: openldap-devel BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root Summary: Apache module for looking up /~user URLs from an LDAP directory. %description The mod_ldap_userdir package enables the Apache web server to look up user home directories (for /~user URLs) from an LDAP directory. It is authored by John Morrissey . %define __httpd_modules %(apxs -q LIBEXECDIR) %define __httpd_conf_d %(apxs -q SYSCONFDIR).d %prep %setup -q %build ./configure --with-activate \ --with-apxs \ %{?_with_tls:--with-tls} make %install [ "$RPM_BUILD_ROOT" != "/" ] && rm -rf ${RPM_BUILD_ROOT} #apxs -i -a -n %{__module_name} %{name}.so install -d ${RPM_BUILD_ROOT}%{__httpd_modules} install -m 755 %{name}.so ${RPM_BUILD_ROOT}%{__httpd_modules} install -d ${RPM_BUILD_ROOT}%{__httpd_conf_d} install -m 644 %{SOURCE1} ${RPM_BUILD_ROOT}%{__httpd_conf_d} %clean [ "$RPM_BUILD_ROOT" != "/" ] && rm -rf ${RPM_BUILD_ROOT} %post #apxs -e -a -n %{__module_name} %{name}.so echo -e !!! '\t' Please modify %{__httpd_conf_d}/%{__module_name}.conf '\t' !!! echo -e !!! '\t' according to your LDAP settings before restarting Apache '\t' !!! %files %defattr(-,root,root) %{__httpd_modules}/%{name}.so %{__httpd_conf_d}/%{__module_name}.conf %changelog mod_ldap_userdir-1.1.19/README0000644000175000017500000002565111770662535014200 0ustar jwmjwmmod_ldap_userdir v1.1.19 ======================== mod_ldap_userdir is a module that enables the Apache web server to look up user home directories (for /~user URLs) from an LDAP directory. Sections: 1. Author 2. Licensing 3. How do I install and set up mod_ldap_userdir? 4. Changes 5. To Do 6. Thanks ========= 1. Author ========= John Morrissey, , http://horde.net/~jwm/software/mod_ldap_userdir/. Feedback is much appreciated. If you're using mod_ldap_userdir successfully, are having problems getting mod_ldap_userdir up and running at your site, or have some code improvements or ideas for development, please let me know! ============ 2. Licensing ============ mod_ldap_userdir is licensed under the GPL, with an exception to allow for linking against OpenSSL: The linking of mod_ldap_userdir with OpenSSL is allowed. You may distribute the resulting executable without including the source code for OpenSSL in the source distribution. ================================================ 3. How do I install and set up mod_ldap_userdir? ================================================ * gzip -dc mod_ldap_userdir-1.1.19.tar.gz | tar xf - * cd mod_ldap_userdir-1.1.19 * ./configure --with-activate Run './configure --help' for information on other build options. * make * make install If the installation fails and you manually copy mod_userdir_ldap.so into place, you will need to add something like: LoadModule ldap_userdir_module modules/mod_ldap_userdir.so to your httpd.conf. * If your LDAP server runs OpenLDAP 1.x, you need to add the posixAccount schema definition. Add the contents of posixAccount-objectclass to your slapd.oc.conf and restart your LDAP server. OpenLDAP 2.x (and most other LDAP servers) ship with this schema predefined. * The 'user-ldif' file contains a sample user ldif. Modify it to your liking and say ldapadd -D your-root-dn -w your-root-dn-password < ldif * You are *strongly* encouraged to read up on the LDAP config-file directives in the DIRECTIVES file, included with the distribution. At bare minimum, you'll need LDAPUserDir and LDAPUserDirBaseDN directives. If you are not binding anonymously to your LDAP server, you must also include LDAPUserDirDNInfo. A set of basic mod_ldap_userdir configuration directives would look like: LDAPUserDir public_html LDAPUserDirDNInfo cn=your-dn,dc=example,dc=com dnpass LDAPUserDirBaseDN ou=People,dc=example,dc=com Of course, you will need to update these configuration directives with the proper values for your environment. If you wish to use the user's home directory itself (instead of a subdirectory below it) for Apache-accessible content, specify "." for the directory: LDAPUserDir . ========== 4. Changes ========== v1.1.19: * Avoid a segfault when LDAPUserDirUseTLS is enabled, and the LDAPUserDirUseTLS configuration directive is specified later in the configuration than LDAPUserDirServerURL. v1.1.18: * Remove Apache 1.3.x support. Apache 1.3.x has been end of life since January 2010. * Use remote path to the source tarball in the included .spec, which makes 'rpmbuild -tb' work on the source tarball. v1.1.17: * Implement an internal failover mechanism instead of relying on the LDAP SDK's built-in failover (if any). Fixes failover regression introduced in v1.1.13 when ldap_initialize() was first used. * Multiple LDAP URL arguments may now be passed to LDAPUserDirServerURL: LDAPUserDirServerURL ldap://127.0.0.1/??sub ldap://172.16.0.1/??sub * Portability fix: don't use ldap_initialize() and ldap_unbind_ext_s() unless we're building against the corresponding versions of the OpenLDAP SDK. * Updated documentation to mention using "." (the current directory) when the user's home directory itself should be exposed, instead of a subdirectory below it. Thanks to Peter Tselios for mentioning this issue. v1.1.16: * TLS support was not being enabled when the --with-tls option was explicitly passed to configure. Replace --with-tls with the more correct option --enable-tls. v1.1.15: * Fix segfault when LDAPUserDirDNInfo isn't specified (implicitly specifying anonymous binds) with modern LDAP SDKs (LDAP_API_VERSION >= 2000). v1.1.14: * Avoid segfault attempting to free() uninitialized pointer when a user does not have a uid or homeDirectory attr, one or both of those attrs are not readable by the DN configured by LDAPUserDirDNInfo, or an out-of-memory condition is encountered while fetching any LDAP attribute. v1.1.13: * Missed ldap_init() -> ldap_initialize() change when making changes to comply with draft-ietf-ldapext-ldap-c-api-04. Older versions may segfault on 64-bit systems when mod_ldap_userdir is built with more recent OpenLDAP SDK headers. * Previous versions enabled TLS when the ldaps:// scheme was specified in LDAPUserdirServerURL URL. This behavior was incorrect, since ldaps:// indicates LDAP over SSL (port 636 by default) should be enabled. If you wish to continue using TLS, you must modify your configuration to specify the ldap:// scheme in the LDAPUserdirServerURL URL and add the directive 'LDAPUserDirUseTLS on' to your configuration. * LDAPUserDirUseTLS now throws a configuration error when TLS is enabled and the ldaps:// scheme is specified in the LDAPUserdirServerURL URL. * Fixes to bugs in suexec support submitted by Witold Baryluk . * Avoid infinite loop when LDAPUserDirDNInfo bind DN doesn't have access to one or more LDAP attributes. * Logging improvements * Don't complain about inaccessible [ug]idNumber values when reading the user's LDAP entry, since we might not be using suexec. * Complain in suexec handler if we found the user's LDAP entry but it was missing [ug]idNumber values. v1.1.12: * Updated the suexec hooks to fetch the user's UID and GID (uidNumber and gidNumber attributes, respectively) from the LDAP directory instead of relying on Apache to fetch them for us. This allows suexec access for LDAP-only users with no OS support required for looking up these users' UID/GIDs. * Removed the LDAPUserDirCacheTimeout directive from the Apache 1.x build. Caching is only supported with Apache 2.0 and later, so this directive was being silently ignored under Apache 1.x. If you run Apache 1.x, you *must* remove the LDAPUserDirCacheTimeout directive from your configuration. * Fix handling of the cache timeout, so setting it to 0 seconds (to disable caching) now works. * Use non-deprecated LDAP API functions if the LDAP SDK is new enough to comply with draft-ietf-ldapext-ldap-c-api-04. v1.1.11: * Add LDAPProtocolVersion directive to specify the LDAP protocol version to use. The LDAP protocol version now defaults to LDAPv3 instead of LDAPv2. Thanks to Aaron Brace for the patch. * Fetch the user's canonical username (as returned by the LDAP directory) to pass to suEXEC instead of passing the username as received in the URL. Thanks to Aaron Brace for the patch. * The previous change also removes the LDAPUserDirHomeAttribute directive in favor of the new LDAPAttribute directive. To migrate your previous configuration, change: LDAPUserDirHomeAttribute username to: LDAPAttribute uid username More information on LDAPAttribute is in DIRECTIVES. * Fix libldap/liblber autodetection when using --with-sdk-headers and/or --with-sdk-libdir configure options. Thanks to Daniel Lark for the bug report. * No longer require GNU make. v1.1.10: * Apache 2.2 support. Thanks to Hiroto Kagotani and Takeshi Inagaki for reporting this. * Refined LDAP over TLS support. Thanks to Hiroto Kagotani and Takeshi Inagaki for reporting problems when building in non-TLS mode. * Sun/Solaris LDAP SDK support. Thanks to Takeshi Inagaki for reporting this. * Better sanity checking of the timeout value. Thanks to Italo Foppiano Reyes for reporting a problem with this. v1.1.9: * Add LDAPUserDirServerURL directive, which takes a single LDAP URL argument. Suggested by Fabien Picarougne . * Register a configuration merge handler so directives from the main server (outside a VirtualHost) are merged down and treated as overridable defaults inside VirtualHosts. Errant behavior reported by Alexander Perlis . * Fix building with Apache1. * Build system improvements: * Build with LDAP TLS support automatically, if present. * Use proper build path to mod_ldap_userdir.so with Apache2 builds. * Improve autoconf usage. * Drop autoconf support for Netscape LDAP SDK. autoconf support for it was broken, and I can't find anyone still using it. v1.1.8: * Add caching support (with accompanying LDAPUserDirCacheTimeout directive), reducing the number of LDAP searches that need to be performed. v1.1.7: * Add LDAPUserDirHomeAttribute attribute instead of depending on a build-time change to switch the homeDirectory attribute's name, loosely based on code by O'Shaughnessy Evans . * Now running module/child init handlers for Apache 2, too. * Remove child exit handler; I can't find a good way to replicate this with Apache 2's hooks and it's not really necessary anyway, since the connection will be closed on child exit. v1.1.6: * Fix Apache 2-ism that crept into v1.1.5. Tohru Murakami and Jerome Spenlehauer . v1.1.5: * Add suexec hooks for Apache 2, contributed by Marc Lewis . v1.1.4: * Fixed bug that prevented startup if LDAPUserDirSearchScope was configured. v1.1.3: * Fixed Apache2-isms that crept into 1.1.2. v1.1.2: * Update the mod_ldap_userdir version added by ap_add_version_component. * Build fixes for Netware and Win32 by Guenter Knauf . * Support for wildcards and redirection by Shyokou Ouyou . v1.1.1: * Compilation fix for platforms that don't define TRUE in their headers. v1.1: * Apache 2.x support. Thanks to Shane Boulter (sboulter at ariasolutions dot com) for providing an account with which I could implement Apache 2.x support. * Improved build system. * Got rid of dependency on ldap_build_filter(), which will fix builds against OpenLDAP 2.1.x, Novell eDirectory and a couple others. * Postcard-ware licensing addition. v1.0.1: * Fixed a couple hard-coded references to the "homeDirectory" attr. (Thanks to Christian Zoffoli [czoffoli at xmerlin dot org] for pointing this out.) v1.0: * Initial revision of standalone module. mod_ldap_userdir includes the same functionality as apache-userdirldap 1.5 and adds TLS/SSL support for connections to the LDAP server. ======== 5. To Do ======== * Currently, nothing. ========= 6. Thanks ========= * Everyone who's downloaded, used, and/or offered feedback. mod_ldap_userdir-1.1.19/DIRECTIVES0000644000175000017500000000502011770662534014667 0ustar jwmjwm* LDAPUserDir The public subdirectory in users' home directories. Example: LDAPUserDir public_html * LDAPUserDirServer The LDAP directory server to connect to. Example: LDAPUserDirServer server.example.com For failover, multiple servers can be specified. Example: LDAPUserDirServer server1.example.com server2.example.com * LDAPUserDirServerURL The LDAP URL to use. The attributes and extensions fields of the URL are ignored. The attributes portion of the URL is ignored; use LDAPAttributeName to change the expected attribute names. Base DNs and escapes (%u/%v) used in the URL must be URL encoded (e.g., replace '=' with '%3D', ',' with '%2C', '%' with '%25', etc). Example: LDAPUserDirServerURL ldap://server.example.com/dc%3Dexample%2Cdc%3Dcom??sub?(uid=%25v) For failover, multiple URLs can be specified. Example: LDAPUserDirServerURL ldap://server.example.com/dc%3Dexample%2Cdc%3Dcom??sub?(uid=%25v) ldap://server2.example.com/dc%3Dexample%2Cdc%3Dcom??sub?(uid=%25v) * LDAPUserDirDNInfo The DN and password to use when binding to the LDAP server. If this directive is omitted, anonymous binds are used. Example: LDAPUserDirDNInfo cn=root,dc=example,dc=com dnpass * LDAPUserDirBaseDN The base DN to search on. Example: LDAPUserDirBaseDN dc=example,dc=com * LDAPUserDirFilter The LDAP filter template to use for searches. Both %u and %v are replaced with the username being resolved, but %v is deprecated and may be removed in a future release. Example: LDAPUserDirFilter "(&(uid=%u)(objectClass=posixAccount))" * LDAPAttributeName Change the LDAP attribute names used in order to reflect your local schema. Currently, the "uid", "homeDirectory", "uidNumber", and "gidNumber" attributes are used. For example, if your LDAP schema uses the "homeLocation" attribute instead of "homeDirectory": Example: LDAPAttributeName homeDirectory homeLocation Or if it uses "ispUsername" to store the account's username instead of "uid": Example: LDAPAttributeName uid ispUsername * LDAPUserDirSearchScope The LDAP search scope ("onelevel" or "subtree"). Example: LDAPUserDirSearchScope subtree * LDAPProtocolVersion The LDAP protocol version to use (2 or 3). Example: LDAPProtocolVersion 3 * LDAPUserDirUseTLS Whether to use an encrypted (TLS) connection to the LDAP server. Example: LDAPUserDirUseTLS off * LDAPUserDirCacheTimeout How long, in seconds, to store cached LDAP entries. Caching is only supported with Apache 2.0 and later. Example: LDAPUserDirCacheTimeout 300 mod_ldap_userdir-1.1.19/user-ldif0000644000175000017500000000024111770662535015121 0ustar jwmjwmdn: uid=user,dc=example,dc=com objectclass: posixAccount cn: User Name uid: user uidNumber: 1000 gidNumber: 100 homeDirectory: /home/user userPassword: {crypt}* mod_ldap_userdir-1.1.19/configure.in0000644000175000017500000000412411770662533015617 0ustar jwmjwmAC_INIT(mod_ldap_userdir.c) AC_ARG_WITH(apxs, [AS_HELP_STRING( [--with-apxs], [Path to Apache's apxs command (version 1.3.x or 2.0.x)] )], APXS=$withval) AC_ARG_WITH(activate, [AS_HELP_STRING( [--with-activate], [Activate mod_ldap_userdir in httpd.conf] )], test "$withval" != no && ACTIVATE=-a ) AC_ARG_WITH(sdk-headers, [AS_HELP_STRING( [--with-sdk-headers], [Specify the path to the LDAP SDK header files] )], [CPPFLAGS="-I$withval"] ) AC_ARG_WITH(sdk-libdir, [AS_HELP_STRING( [--with-sdk-libdir], [Specify the path to the LDAP SDK libraries] )], [LDFLAGS="-L$withval"] ) AC_PROG_CC dnl We need to reset CFLAGS after AC_PROG_CC sets it. apxs will provide dnl its own CFLAGS and gets confused when we try to feed ours to it. CFLAGS= if test -z "$APXS" || test "$APXS" = yes; then APXS=apxs for location in /usr/local/apache/bin/apxs \ /usr/local/apache2/bin/apxs /opt/csw/apache2/sbin/apxs; do if test -e $location; then APXS=$location fi done fi AC_MSG_CHECKING(whether apxs works) if $APXS -q CFLAGS >/dev/null; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) AC_MSG_ERROR(Cannot build mod_ldap_userdir without a valid apxs program) fi AC_CHECK_LIB(lber, ber_init) AC_CHECK_LIB(ldap, ldap_init, found_openldap_libs=yes; LIBS="-lldap $LIBS", AC_MSG_ERROR(You must have libldap to build mod_ldap_userdir.) ) AC_CHECK_HEADERS(lber.h, , AC_MSG_ERROR(You must have lber.h to build mod_ldap_userdir.) ) AC_CHECK_HEADERS(ldap.h, , AC_MSG_ERROR(You must have ldap.h to build mod_ldap_userdir.), [#include ] ) AC_CHECK_MEMBER(LDAPURLDesc.lud_scheme, [AC_DEFINE(HAVE_LDAPURLDESC_LUD_SCHEME, 1, [Define if your LDAPURLDesc has a lud_scheme member.])], , [#include #include ]) AC_ARG_ENABLE([tls], [AS_HELP_STRING( [--disable-tls], [Don't build with LDAP TLS support] )], [enable_tls=$enableval], [enable_tls=yes] ) AS_IF([test "x$enable_tls" != xno], [AC_CHECK_FUNC(ldap_start_tls_s, TLS=-DTLS)] ) AC_SUBST(APXS) AC_SUBST(CPPFLAGS) AC_SUBST(LDFLAGS) AC_SUBST(LIBS) AC_SUBST(TLS) AC_SUBST(ACTIVATE) AC_CONFIG_HEADER(config.h) AC_OUTPUT(Makefile)