diff options
Diffstat (limited to 'server/providers/ldap_provider.c')
| -rw-r--r-- | server/providers/ldap_provider.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/server/providers/ldap_provider.c b/server/providers/ldap_provider.c new file mode 100644 index 000000000..a6628f40a --- /dev/null +++ b/server/providers/ldap_provider.c @@ -0,0 +1,173 @@ +/* + SSSD + + Test LDAP Module + + Copyright (C) Simo Sorce <ssorce@redhat.com> 2008 + + 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 3 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, see <http://www.gnu.org/licenses/>. +*/ + +#include <nss.h> +#include <errno.h> +#include <pwd.h> +#include <grp.h> +#include "util/util.h" +#include "providers/data_provider.h" + +struct ldap_nss_ops { + enum nss_status (*getpwnam_r)(const char *name, struct passwd *result, + char *buffer, size_t buflen, int *errnop); + enum nss_status (*getpwuid_r)(uid_t uid, struct passwd *result, + char *buffer, size_t buflen, int *errnop); + enum nss_status (*setpwent)(void); + enum nss_status (*getpwent_r)(struct passwd *result, + char *buffer, size_t buflen, int *errnop); + enum nss_status (*endpwent)(void); + + enum nss_status (*getgrnam_r)(const char *name, struct group *result, + char *buffer, size_t buflen, int *errnop); + enum nss_status (*getgrgid_r)(gid_t gid, struct group *result, + char *buffer, size_t buflen, int *errnop); + enum nss_status (*setgrent)(void); + enum nss_status (*getgrent_r)(struct group *result, + char *buffer, size_t buflen, int *errnop); + enum nss_status (*endgrent)(void); + enum nss_status (*initgroups_dyn)(const char *user, gid_t group, + long int *start, long int *size, + gid_t **groups, long int limit, + int *errnop); +}; + +struct ldap_ctx { + struct ldap_nss_ops ops; +}; + +static int ldap_check_online(void *pvt_data, int *reply); + +struct dp_be_mod_ops ldap_mod_ops = { + .check_online = ldap_check_online +}; + +static int ldap_check_online(void *pvt_data, int *reply) +{ + *reply = MOD_ONLINE; + return EOK; +} + +int sssm_ldap_init(TALLOC_CTX *bectx, struct dp_be_mod_ops **ops, void **pvt_data) +{ + struct ldap_ctx *ctx; + void *handle; + int ret; + + ctx = talloc(bectx, struct ldap_ctx); + if (!ctx) { + return ENOMEM; + } + + handle = dlopen("/usr/lib64/libnss_ldap.so.2", RTLD_NOW); + if (!handle) { + DEBUG(0, ("Unable to load libnss_ldap module with path, error: %s\n", dlerror())); + ret = ELIBACC; + goto done; + } + + ctx->ops.getpwnam_r = dlsym(handle, "_nss_ldap_getpwnam_r"); + if (!ctx->ops.getpwnam_r) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.getpwuid_r = dlsym(handle, "_nss_ldap_getpwuid_r"); + if (!ctx->ops.getpwuid_r) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.setpwent = dlsym(handle, "_nss_ldap_setpwent"); + if (!ctx->ops.setpwent) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.getpwent_r = dlsym(handle, "_nss_ldap_getpwent_r"); + if (!ctx->ops.getpwent_r) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.endpwent = dlsym(handle, "_nss_ldap_endpwent"); + if (!ctx->ops.endpwent) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.getgrnam_r = dlsym(handle, "_nss_ldap_getgrnam_r"); + if (!ctx->ops.getgrnam_r) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.getgrgid_r = dlsym(handle, "_nss_ldap_getgrgid_r"); + if (!ctx->ops.getgrgid_r) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.setgrent = dlsym(handle, "_nss_ldap_setgrent"); + if (!ctx->ops.setgrent) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.getgrent_r = dlsym(handle, "_nss_ldap_getgrent_r"); + if (!ctx->ops.getgrent_r) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.endgrent = dlsym(handle, "_nss_ldap_endgrent"); + if (!ctx->ops.endgrent) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + ctx->ops.initgroups_dyn = dlsym(handle, "_nss_ldap_initgroups_dyn"); + if (!ctx->ops.initgroups_dyn) { + DEBUG(0, ("Failed to load NSS fns, error: %s\n", dlerror())); + ret = ELIBBAD; + goto done; + } + + *ops = &ldap_mod_ops; + *pvt_data = ctx; + ret = EOK; + +done: + if (ret != EOK) { + talloc_free(ctx); + } + return ret; +} |