diff options
Diffstat (limited to 'src/core/kmod-setup.c')
-rw-r--r-- | src/core/kmod-setup.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/core/kmod-setup.c b/src/core/kmod-setup.c deleted file mode 100644 index efbdf31688..0000000000 --- a/src/core/kmod-setup.c +++ /dev/null @@ -1,126 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <unistd.h> -#include <string.h> - -#ifdef HAVE_KMOD -#include <libkmod.h> -#endif - -#include "macro.h" -#include "capability.h" -#include "kmod-setup.h" - -#ifdef HAVE_KMOD -static void systemd_kmod_log( - void *data, - int priority, - const char *file, int line, - const char *fn, - const char *format, - va_list args) { - - /* library logging is enabled at debug only */ - DISABLE_WARNING_FORMAT_NONLITERAL; - log_internalv(LOG_DEBUG, 0, file, line, fn, format, args); - REENABLE_WARNING; -} - -static bool cmdline_check_kdbus(void) { - return get_proc_cmdline_key("kdbus", NULL) > 0; -} -#endif - -int kmod_setup(void) { -#ifdef HAVE_KMOD - - static const struct { - const char *module; - const char *path; - bool warn; - bool (*condition_fn)(void); - } kmod_table[] = { - /* auto-loading on use doesn't work before udev is up */ - { "autofs4", "/sys/class/misc/autofs", true, NULL }, - - /* early configure of ::1 on the loopback device */ - { "ipv6", "/sys/module/ipv6", true, NULL }, - - /* this should never be a module */ - { "unix", "/proc/net/unix", true, NULL }, - - /* IPC is needed before we bring up any other services */ - { "kdbus", "/sys/fs/kdbus", false, cmdline_check_kdbus }, - }; - struct kmod_ctx *ctx = NULL; - unsigned int i; - int r; - - if (have_effective_cap(CAP_SYS_MODULE) == 0) - return 0; - - for (i = 0; i < ELEMENTSOF(kmod_table); i++) { - struct kmod_module *mod; - - if (kmod_table[i].path && access(kmod_table[i].path, F_OK) >= 0) - continue; - - if (kmod_table[i].condition_fn && !kmod_table[i].condition_fn()) - continue; - - if (kmod_table[i].warn) - log_debug("Your kernel apparently lacks built-in %s support. Might be " - "a good idea to compile it in. We'll now try to work around " - "this by loading the module...", kmod_table[i].module); - - if (!ctx) { - ctx = kmod_new(NULL, NULL); - if (!ctx) - return log_oom(); - - kmod_set_log_fn(ctx, systemd_kmod_log, NULL); - kmod_load_resources(ctx); - } - - r = kmod_module_new_from_name(ctx, kmod_table[i].module, &mod); - if (r < 0) { - log_error("Failed to lookup module '%s'", kmod_table[i].module); - continue; - } - - r = kmod_module_probe_insert_module(mod, KMOD_PROBE_APPLY_BLACKLIST, NULL, NULL, NULL, NULL); - if (r == 0) - log_info("Inserted module '%s'", kmod_module_get_name(mod)); - else if (r == KMOD_PROBE_APPLY_BLACKLIST) - log_info("Module '%s' is blacklisted", kmod_module_get_name(mod)); - else if (kmod_table[i].warn) - log_error("Failed to insert module '%s'", kmod_module_get_name(mod)); - - kmod_module_unref(mod); - } - - if (ctx) - kmod_unref(ctx); - -#endif - return 0; -} |