X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmodules-load.c;h=0f2144c2ed84b853e6df14dfc037f3c74796afe2;hp=44ff02e7b83c46518008a7c49899ddf029a1bc59;hb=90ccc3fca7e53a60a9e67b9d5812e1d4a27fc07d;hpb=b2423f1f436f847d9fc96a63679be2b5552b6baf diff --git a/src/modules-load.c b/src/modules-load.c index 44ff02e7b..0f2144c2e 100644 --- a/src/modules-load.c +++ b/src/modules-load.c @@ -6,16 +6,16 @@ Copyright 2010 Lennart Poettering systemd 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 + 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 - General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ @@ -26,142 +26,130 @@ #include #include #include +#include #include "log.h" #include "util.h" #include "strv.h" -/* This reads all module names listed in /etc/modules.d/?*.modules and - * loads them into the kernel. This follows roughly Debian's way to - * handle modules, but uses a directory of fragments instead of a - * single /etc/modules file. */ - -static int scandir_filter(const struct dirent *d) { - assert(d); - - if (ignore_file(d->d_name)) - return 0; - - if (d->d_type != DT_REG && - d->d_type != DT_LNK) - return 0; - - return endswith(d->d_name, ".modules"); +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wformat-nonliteral" +static void systemd_kmod_log(void *data, int priority, const char *file, int line, + const char *fn, const char *format, va_list args) +{ + log_meta(priority, file, line, fn, format, args); } +#pragma GCC diagnostic pop int main(int argc, char *argv[]) { - struct dirent **de = NULL; - int r = 1, n, i; - char **arguments = NULL; - unsigned n_arguments = 0, n_allocated = 0; + int r = EXIT_FAILURE; + char **files, **fn; + struct kmod_ctx *ctx; + const int probe_flags = KMOD_PROBE_APPLY_BLACKLIST|KMOD_PROBE_IGNORE_LOADED; if (argc > 1) { log_error("This program takes no argument."); - return 1; + return EXIT_FAILURE; } - log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); + log_set_target(LOG_TARGET_AUTO); log_parse_environment(); log_open(); - if (!(arguments = strv_new("/sbin/modprobe", "-sab", "--", NULL))) { - log_error("Failed to allocate string array"); + umask(0022); + + ctx = kmod_new(NULL, NULL); + if (!ctx) { + log_error("Failed to allocate memory for kmod."); goto finish; } - n_arguments = n_allocated = 3; + kmod_load_resources(ctx); - if ((n = scandir("/etc/modules.d/", &de, scandir_filter, alphasort)) < 0) { - - if (errno == ENOENT) - r = 0; - else - log_error("Failed to enumerate /etc/modules.d/ files: %m"); + kmod_set_log_fn(ctx, systemd_kmod_log, NULL); + if (conf_files_list(&files, ".conf", + "/etc/modules-load.d", + "/run/modules-load.d", + "/usr/local/lib/modules-load.d", + "/usr/lib/modules-load.d", +#ifdef HAVE_SPLIT_USR + "/lib/modules-load.d", +#endif + NULL) < 0) { + log_error("Failed to enumerate modules-load.d files: %s", strerror(-r)); goto finish; } - r = 0; + r = EXIT_SUCCESS; - for (i = 0; i < n; i++) { - int k; - char *fn; + STRV_FOREACH(fn, files) { FILE *f; - k = asprintf(&fn, "/etc/modules.d/%s", de[i]->d_name); - free(de[i]); - - if (k < 0) { - log_error("Failed to allocate file name."); - r = 1; - continue; - } - - f = fopen(fn, "re"); - free(fn); - + f = fopen(*fn, "re"); if (!f) { - log_error("Failed to open %s: %m", fn); - r = 1; + if (errno == ENOENT) + continue; + + log_error("Failed to open %s: %m", *fn); + r = EXIT_FAILURE; continue; } + log_debug("apply: %s\n", *fn); for (;;) { - char line[LINE_MAX], *l, *t; + char line[LINE_MAX], *l; + struct kmod_list *itr, *modlist = NULL; + int err; - if (!(fgets(line, sizeof(line), f))) + if (!fgets(line, sizeof(line), f)) break; l = strstrip(line); if (*l == '#' || *l == 0) continue; - if (!(t = strdup(l))) { - log_error("Failed to allocate module name."); + err = kmod_module_new_from_lookup(ctx, l, &modlist); + if (err < 0) { + log_error("Failed to lookup alias '%s'", l); + r = EXIT_FAILURE; continue; } - if (n_arguments >= n_allocated) { - char **a; - unsigned m; - - m = MAX(16U, n_arguments*2); - - if (!(a = realloc(arguments, sizeof(char*) * (m+1)))) { - log_error("Failed to increase module array size."); - free(t); - r = 1; - continue; + kmod_list_foreach(itr, modlist) { + struct kmod_module *mod; + + mod = kmod_module_get_module(itr); + err = kmod_module_probe_insert_module(mod, probe_flags, + NULL, NULL, NULL, NULL); + + if (err == 0) + log_info("Inserted module '%s'", kmod_module_get_name(mod)); + else if (err == KMOD_PROBE_APPLY_BLACKLIST) + log_info("Module '%s' is blacklisted", kmod_module_get_name(mod)); + else { + log_error("Failed to insert '%s': %s", kmod_module_get_name(mod), + strerror(-err)); + r = EXIT_FAILURE; } - arguments = a; - n_allocated = m; + kmod_module_unref(mod); } - arguments[n_arguments++] = t; + kmod_module_unref_list(modlist); } if (ferror(f)) { - r = 1; log_error("Failed to read from file: %m"); + r = EXIT_FAILURE; } fclose(f); } - free(de); - finish: - - if (n_arguments > 3) { - arguments[n_arguments] = NULL; - execv("/sbin/modprobe", arguments); - - log_error("Failed to execute /sbin/modprobe: %m"); - r = 1; - } - - strv_free(arguments); + strv_free(files); + kmod_unref(ctx); return r; }