util: Move semanage related functions to src/util

These functions will be reused by IPA provider.

Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>

2 files changed, 0 insertions, 336 deletions

diff --git a/src/tools/selinux.c b/src/tools/selinux.c
index 1f87d40f9..5e9c458f9 100644
--- a/src/tools/selinux.c
+++ b/src/tools/selinux.c
@@ -27,16 +27,8 @@
 #include <selinux/selinux.h>
 #endif
 
-#ifdef HAVE_SEMANAGE
-#include <semanage/semanage.h>
-#endif
-
 #include "tools/tools_util.h"
 
-#ifndef DEFAULT_SERANGE
-#define DEFAULT_SERANGE "s0"
-#endif
-
 #ifdef HAVE_SELINUX
 /*
  * selinux_file_context - Set the security context before any file or
@@ -89,329 +81,3 @@ int reset_selinux_file_context(void)
     return EOK;
 }
 #endif  /* HAVE_SELINUX */
-
-#ifdef HAVE_SEMANAGE
-/* turn libselinux messages into SSSD DEBUG() calls */
-static void sss_semanage_error_callback(void *varg,
-                                        semanage_handle_t *handle,
-                                        const char *fmt, ...)
-{
-    int level = SSSDBG_INVALID;
-    int ret;
-    char * message = NULL;
-    va_list ap;
-
-    switch (semanage_msg_get_level(handle)) {
-        case SEMANAGE_MSG_ERR:
-            level = SSSDBG_CRIT_FAILURE;
-            break;
-        case SEMANAGE_MSG_WARN:
-            level = SSSDBG_MINOR_FAILURE;
-            break;
-        case SEMANAGE_MSG_INFO:
-            level = SSSDBG_TRACE_FUNC;
-            break;
-    }
-
-    va_start(ap, fmt);
-    ret = vasprintf(&message, fmt, ap);
-    va_end(ap);
-    if (ret < 0) {
-        /* ENOMEM */
-        return;
-    }
-
-    if (DEBUG_IS_SET(level))
-        debug_fn(__FILE__, __LINE__, "libsemanage", level, "%s\n", message);
-    free(message);
-}
-
-static semanage_handle_t *sss_semanage_init(void)
-{
-    int ret;
-    semanage_handle_t *handle = NULL;
-
-    handle = semanage_handle_create();
-    if (!handle) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot create SELinux management handle\n");
-        return NULL;
-    }
-
-    semanage_msg_set_callback(handle,
-                              sss_semanage_error_callback,
-                              NULL);
-
-    ret = semanage_is_managed(handle);
-    if (ret != 1) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "SELinux policy not managed\n");
-        goto fail;
-    }
-
-    ret = semanage_access_check(handle);
-    if (ret < SEMANAGE_CAN_READ) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot read SELinux policy store\n");
-        goto fail;
-    }
-
-    ret = semanage_connect(handle);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE,
-              "Cannot estabilish SELinux management connection\n");
-        goto fail;
-    }
-
-    ret = semanage_begin_transaction(handle);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot begin SELinux transaction\n");
-        goto fail;
-    }
-
-    return handle;
-fail:
-    semanage_handle_destroy(handle);
-    return NULL;
-}
-
-static int sss_semanage_user_add(semanage_handle_t *handle,
-                                 semanage_seuser_key_t *key,
-                                 const char *login_name,
-                                 const char *seuser_name)
-{
-    int ret;
-    semanage_seuser_t *seuser = NULL;
-
-    ret = semanage_seuser_create(handle, &seuser);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE,
-              "Cannot create SELinux login mapping for %s\n", login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_set_name(handle, seuser, login_name);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Could not set name for %s\n", login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_set_mlsrange(handle, seuser, DEFAULT_SERANGE);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE,
-              "Could not set serange for %s\n", login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_set_sename(handle, seuser, seuser_name);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE,
-              "Could not set SELinux user for %s\n", login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_modify_local(handle, key, seuser);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE,
-              "Could not add login mapping for %s\n", login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = EOK;
-done:
-    semanage_seuser_free(seuser);
-    return ret;
-}
-
-static int sss_semanage_user_mod(semanage_handle_t *handle,
-                                 semanage_seuser_key_t *key,
-                                 const char *login_name,
-                                 const char *seuser_name)
-{
-    int ret;
-    semanage_seuser_t *seuser = NULL;
-
-    semanage_seuser_query(handle, key, &seuser);
-    if (seuser == NULL) {
-        DEBUG(SSSDBG_CRIT_FAILURE,
-              "Could not query seuser for %s\n", login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_set_mlsrange(handle, seuser, DEFAULT_SERANGE);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE,
-              "Could not set serange for %s\n", login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_set_sename(handle, seuser, seuser_name);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Could not set sename for %s\n", login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_modify_local(handle, key, seuser);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE,
-              ("Could not modify login mapping for %s\n"), login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = EOK;
-done:
-    semanage_seuser_free(seuser);
-    return ret;
-}
-
-int set_seuser(const char *login_name, const char *seuser_name)
-{
-    semanage_handle_t *handle = NULL;
-    semanage_seuser_key_t *key = NULL;
-    int ret;
-    int seuser_exists = 0;
-
-    if (seuser_name == NULL) {
-        /* don't care, just let system pick the defaults */
-        return EOK;
-    }
-
-    handle = sss_semanage_init();
-    if (!handle) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot init SELinux management\n");
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_key_create(handle, login_name, &key);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot create SELinux user key\n");
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_exists(handle, key, &seuser_exists);
-    if (ret < 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot verify the SELinux user\n");
-        ret = EIO;
-        goto done;
-    }
-
-    if (seuser_exists) {
-        ret = sss_semanage_user_mod(handle, key, login_name, seuser_name);
-        if (ret != 0) {
-            DEBUG(SSSDBG_CRIT_FAILURE, "Cannot modify SELinux user mapping\n");
-            ret = EIO;
-            goto done;
-        }
-    } else {
-        ret = sss_semanage_user_add(handle, key, login_name, seuser_name);
-        if (ret != 0) {
-            DEBUG(SSSDBG_CRIT_FAILURE, "Cannot add SELinux user mapping\n");
-            ret = EIO;
-            goto done;
-        }
-    }
-
-    ret = semanage_commit(handle);
-    if (ret < 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot commit SELinux transaction\n");
-        ret = EIO;
-        goto done;
-    }
-
-    ret = EOK;
-done:
-    semanage_seuser_key_free(key);
-    semanage_handle_destroy(handle);
-    return ret;
-}
-
-int del_seuser(const char *login_name)
-{
-    semanage_handle_t *handle = NULL;
-    semanage_seuser_key_t *key = NULL;
-    int ret;
-    int exists = 0;
-
-    handle = sss_semanage_init();
-    if (!handle) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot init SELinux management\n");
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_key_create(handle, login_name, &key);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot create SELinux user key\n");
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_seuser_exists(handle, key, &exists);
-    if (ret < 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot verify the SELinux user\n");
-        ret = EIO;
-        goto done;
-    }
-
-    if (!exists) {
-        DEBUG(SSSDBG_FUNC_DATA,
-              "Login mapping for %s is not defined, OK if default mapping "
-                  "was used\n", login_name);
-        ret = EOK;  /* probably default mapping */
-        goto done;
-    }
-
-    ret = semanage_seuser_exists_local(handle, key, &exists);
-    if (ret < 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot verify the SELinux user\n");
-        ret = EIO;
-        goto done;
-    }
-
-    if (!exists) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Login mapping for %s is defined in policy, "
-                  "cannot be deleted", login_name);
-        ret = ENOENT;
-        goto done;
-    }
-
-    ret = semanage_seuser_del_local(handle, key);
-    if (ret != 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE,
-              "Could not delete login mapping for %s", login_name);
-        ret = EIO;
-        goto done;
-    }
-
-    ret = semanage_commit(handle);
-    if (ret < 0) {
-        DEBUG(SSSDBG_CRIT_FAILURE, "Cannot commit SELinux transaction\n");
-        ret = EIO;
-        goto done;
-    }
-
-    ret = EOK;
-done:
-    semanage_handle_destroy(handle);
-    return ret;
-}
-
-#else /* HAVE_SEMANAGE */
-int set_seuser(const char *login_name, const char *seuser_name)
-{
-    return EOK;
-}
-
-int del_seuser(const char *login_name)
-{
-    return EOK;
-}
-#endif  /* HAVE_SEMANAGE */
diff --git a/src/tools/tools_util.h b/src/tools/tools_util.h
index 87fe752ea..c5990b012 100644
--- a/src/tools/tools_util.h
+++ b/src/tools/tools_util.h
@@ -123,7 +123,5 @@ int copy_tree(const char *src_root, const char *dst_root,
 /* from selinux.c */
 int selinux_file_context(const char *dst_name);
 int reset_selinux_file_context(void);
-int set_seuser(const char *login_name, const char *seuser_name);
-int del_seuser(const char *login_name);
 
 #endif  /* __TOOLS_UTIL_H__ */