static struct kmod_ctx *ctx;
-static int command_do(struct kmod_module *module, const char *type, const char *command, const char *cmdline_opts)
+static int load_module(struct udev *udev, const char *alias)
{
- const char *modname = kmod_module_get_name(module);
- char *p, *cmd = NULL;
- size_t cmdlen, cmdline_opts_len, varlen;
- int ret = 0;
-
- if (cmdline_opts == NULL)
- cmdline_opts = "";
- cmdline_opts_len = strlen(cmdline_opts);
-
- cmd = strdup(command);
- if (cmd == NULL)
- return -ENOMEM;
- cmdlen = strlen(cmd);
- varlen = sizeof("$CMDLINE_OPTS") - 1;
- while ((p = strstr(cmd, "$CMDLINE_OPTS")) != NULL) {
- size_t prefixlen = p - cmd;
- size_t suffixlen = cmdlen - prefixlen - varlen;
- size_t slen = cmdlen - varlen + cmdline_opts_len;
- char *suffix = p + varlen;
- char *s = malloc(slen + 1);
- if (s == NULL) {
- free(cmd);
- return -ENOMEM;
- }
- memcpy(s, cmd, p - cmd);
- memcpy(s + prefixlen, cmdline_opts, cmdline_opts_len);
- memcpy(s + prefixlen + cmdline_opts_len, suffix, suffixlen);
- s[slen] = '\0';
-
- free(cmd);
- cmd = s;
- cmdlen = slen;
- }
-
- setenv("MODPROBE_MODULE", modname, 1);
- ret = system(cmd);
- unsetenv("MODPROBE_MODULE");
- if (ret == -1 || WEXITSTATUS(ret)) {
- //LOG("Error running %s command for %s\n", type, modname);
- if (ret != -1)
- ret = -WEXITSTATUS(ret);
- }
-
-end:
- free(cmd);
- return ret;
-}
-
-static int insmod_do_dependencies(struct kmod_module *parent);
-static int insmod_do_soft_dependencies(struct kmod_module *mod, struct kmod_list *deps);
-
-static int insmod_do_deps_list(struct kmod_module *parent, struct kmod_list *deps, unsigned stop_on_errors)
-{
- struct kmod_list *d;
- int err = 0;
-
- kmod_list_foreach(d, deps) {
- struct kmod_module *dm = kmod_module_get_module(d);
- struct kmod_list *pre = NULL, *post = NULL;
- const char *cmd, *opts, *dmname = kmod_module_get_name(dm);
- int state;
- int r;
-
- r = insmod_do_dependencies(dm);
- if (r < 0) {
- //WRN("could not insert dependencies of '%s': %s\n", dmname, strerror(-r));
- goto dep_error;
- }
-
- r = kmod_module_get_softdeps(dm, &pre, &post);
- if (r < 0) {
- //WRN("could not get softdeps of '%s': %s\n", dmname, strerror(-r));
- goto dep_done;
- }
-
- r = insmod_do_soft_dependencies(dm, pre);
- if (r < 0) {
- //WRN("could not insert pre softdeps of '%s': %s\n", dmname, strerror(-r));
- goto dep_error;
- }
-
- state = kmod_module_get_initstate(dm);
- if (state == KMOD_MODULE_LIVE ||
- state == KMOD_MODULE_COMING ||
- state == KMOD_MODULE_BUILTIN)
- goto dep_done;
-
- cmd = kmod_module_get_install_commands(dm);
- if (cmd) {
- r = command_do(dm, "install", cmd, NULL);
- if (r < 0) {
- //WRN("failed to execute install command of '%s':" " %s\n", dmname, strerror(-r));
- goto dep_error;
- } else
- goto dep_done;
- }
-
- opts = kmod_module_get_options(dm);
-
- r = kmod_module_insert_module(dm, 0, opts);
- if (r < 0) {
- //WRN("could not insert '%s': %s\n", dmname, strerror(-r));
- goto dep_error;
- }
-
- dep_done:
- r = insmod_do_soft_dependencies(dm, post);
- if (r < 0) {
- //WRN("could not insert post softdeps of '%s': %s\n", dmname, strerror(-r));
- goto dep_error;
- }
-
- kmod_module_unref_list(pre);
- kmod_module_unref_list(post);
- kmod_module_unref(dm);
- continue;
-
- dep_error:
- err = r;
- kmod_module_unref_list(pre);
- kmod_module_unref_list(post);
- kmod_module_unref(dm);
- if (stop_on_errors)
- break;
- else
- continue;
- }
-
- return err;
-}
-
-static int insmod_do_soft_dependencies(struct kmod_module *mod, struct kmod_list *deps)
-{
- return insmod_do_deps_list(mod, deps, 0);
-}
-
-static int insmod_do_dependencies(struct kmod_module *parent)
-{
- struct kmod_list *deps = kmod_module_get_dependencies(parent);
- int err = insmod_do_deps_list(parent, deps, 1);
- kmod_module_unref_list(deps);
- return err;
-}
-
-static int insmod_do(struct kmod_module *mod, const char *extra_opts)
-{
- const char *modname = kmod_module_get_name(mod);
- const char *conf_opts = kmod_module_get_options(mod);
- struct kmod_list *pre = NULL, *post = NULL;
- char *opts = NULL;
- const char *cmd;
- int state;
- int err;
-
- err = kmod_module_get_softdeps(mod, &pre, &post);
- if (err < 0) {
- //WRN("could not get softdeps of '%s': %s\n", modname, strerror(-err));
- return err;
- }
-
- err = insmod_do_soft_dependencies(mod, pre);
- if (err < 0) {
- //WRN("could not insert pre softdeps of '%s': %s\n", modname, strerror(-err));
- goto error;
- }
-
- cmd = kmod_module_get_install_commands(mod);
- if (cmd != NULL) {
- err = command_do(mod, "install", cmd, extra_opts);
- goto done;
- }
-
- state = kmod_module_get_initstate(mod);
- if (state == KMOD_MODULE_BUILTIN || state == KMOD_MODULE_LIVE)
- return 0;
-
- /*
- * At this point it's not possible to be a install/remove command
- * anymore. So if we can't get module's path, it's because it was
- * really intended to be a module and it doesn't exist
- */
- if (kmod_module_get_path(mod) == NULL) {
- //LOG("Module %s not found.\n", modname);
- return -ENOENT;
- }
-
- err = insmod_do_dependencies(mod);
- if (err < 0)
- return err;
-
- if (conf_opts || extra_opts) {
- if (conf_opts == NULL)
- opts = strdup(extra_opts);
- else if (extra_opts == NULL)
- opts = strdup(conf_opts);
- else if (asprintf(&opts, "%s %s", conf_opts, extra_opts) < 0)
- opts = NULL;
-
- if (opts == NULL) {
- err = -ENOMEM;
- goto error;
- }
- }
-
- err = kmod_module_insert_module(mod, 0, opts);
- if (err == -EEXIST)
- err = 0;
-
-done:
- err = insmod_do_soft_dependencies(mod, post);
- if (err < 0) {
- //WRN("could not insert post softdeps of '%s': %s\n", modname, strerror(-err));
- goto error;
- }
-
-error:
- kmod_module_unref_list(pre);
- kmod_module_unref_list(post);
- free(opts);
- return err;
-}
-
-static int insmod_path(struct kmod_ctx *ctx, const char *path, const char *extra_options)
-{
- struct kmod_module *mod;
- int err;
-
- err = kmod_module_new_from_path(ctx, path, &mod);
- if (err < 0) {
- //LOG("Module %s not found.\n", path);
- return err;
- }
- err = insmod_do(mod, extra_options);
- kmod_module_unref(mod);
- return err;
-}
-
-static int insmod_alias(struct kmod_ctx *ctx, const char *alias, const char *extra_options)
-{
- struct kmod_list *l, *list = NULL;
- struct kmod_list *filtered = NULL;
+ struct kmod_list *list = NULL;
+ struct kmod_list *listb = NULL;
+ struct kmod_list *l;
int err;
err = kmod_module_new_from_lookup(ctx, alias, &list);
if (err < 0)
return err;
- if (list == NULL) {
- //LOG("Module %s not found.\n", alias);
+ err = kmod_module_get_filtered_blacklist(ctx, list, &listb);
+ if (err < 0)
return err;
- }
- err = kmod_module_get_filtered_blacklist(ctx, list, &filtered);
- kmod_module_unref_list(list);
- if (err < 0) {
- //LOG("Could not filter alias list!\n");
- return err;
- }
- list = filtered;
+ if (list == NULL)
+ info(udev, "no module matches '%s'\n", alias);
- kmod_list_foreach(l, list) {
+ kmod_list_foreach(l, listb) {
struct kmod_module *mod = kmod_module_get_module(l);
- err = insmod_do(mod, extra_options);
+
+ err = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL);
+ if (err >=0 )
+ info(udev, "inserted '%s'\n", kmod_module_get_name(mod));
+ else
+ info(udev, "failed to insert '%s'\n", kmod_module_get_name(mod));
+
kmod_module_unref(mod);
- if (err < 0)
- break;
}
kmod_module_unref_list(list);
+ kmod_module_unref_list(listb);
return err;
}
-static int insmod(struct kmod_ctx *ctx, const char *name, const char *extra_options)
-{
- struct stat st;
- if (stat(name, &st) == 0)
- return insmod_path(ctx, name, extra_options);
- else
- return insmod_alias(ctx, name, extra_options);
-}
-
static void udev_kmod_log(void *data, int priority, const char *file, int line,
const char *fn, const char *format, va_list args)
{
for (i = 2; argv[i]; i++) {
info(udev, "execute '%s' '%s'\n", argv[1], argv[i]);
- insmod(ctx, argv[i], NULL);
+ load_module(udev, argv[i]);
}
return EXIT_SUCCESS;
projects / systemd / commitdiff