diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/automount.c | 14 | ||||
| -rw-r--r-- | src/kmod-setup.c | 107 | ||||
| -rw-r--r-- | src/kmod-setup.h | 27 | ||||
| -rw-r--r-- | src/main.c | 2 |
4 files changed, 138 insertions, 12 deletions
diff --git a/src/automount.c b/src/automount.c index 730b1572c2..32680461c2 100644 --- a/src/automount.c +++ b/src/automount.c @@ -276,18 +276,8 @@ static int open_dev_autofs(Manager *m) { return m->dev_autofs_fd; if ((m->dev_autofs_fd = open("/dev/autofs", O_CLOEXEC|O_RDONLY)) < 0) { - - if (errno == ENOENT || errno == ENODEV) { - log_error("Your kernel apparently lacks built-in autofs4 support. Please fix that. " - "We'll now try to work around this by calling 'modprobe autofs4'..."); - system("/sbin/modprobe -q -- autofs4"); - m->dev_autofs_fd = open("/dev/autofs", O_CLOEXEC|O_RDONLY); - } - - if (m->dev_autofs_fd < 0) { - log_error("Failed to open /dev/autofs: %s", strerror(errno)); - return -errno; - } + log_error("Failed to open /dev/autofs: %s", strerror(errno)); + return -errno; } init_autofs_dev_ioctl(¶m); diff --git a/src/kmod-setup.c b/src/kmod-setup.c new file mode 100644 index 0000000000..fa856c9a6c --- /dev/null +++ b/src/kmod-setup.c @@ -0,0 +1,107 @@ +/*-*- Mode: C; c-basic-offset: 8 -*-*/ + +/*** + 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 General Public License as published by + the Free Software Foundation; either version 2 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. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <sys/wait.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> + +#include "macro.h" +#include "execute.h" + +#include "kmod-setup.h" + +static const char * const kmod_table[] = { + "autofs4", "/sys/class/misc/autofs", + "ipv6", "/sys/module/ipv6" +}; + +int kmod_setup(void) { + unsigned i, n = 0; + const char * cmdline[3 + ELEMENTSOF(kmod_table) + 1]; + ExecCommand command; + ExecContext context; + pid_t pid; + int status, r; + + for (i = 0; i < ELEMENTSOF(kmod_table); i += 2) { + + if (access(kmod_table[i+1], F_OK) >= 0) + continue; + + log_info("Your kernel apparently lacks built-in %s support. Please fix that. " + "We'll now try to work around this by calling '/sbin/modprobe %s'...", + kmod_table[i], kmod_table[i]); + + cmdline[3 + n++] = kmod_table[i]; + } + + if (n <= 0) + return 0; + + cmdline[0] = "/sbin/modprobe"; + cmdline[1] = "-qab"; + cmdline[2] = "--"; + cmdline[3 + n] = NULL; + + zero(command); + zero(context); + + command.path = (char*) cmdline[0]; + command.argv = (char**) cmdline; + + exec_context_init(&context); + r = exec_spawn(&command, NULL, &context, NULL, 0, NULL, false, false, false, NULL, &pid); + exec_context_done(&context); + + if (r < 0) + return r; + + for (;;) { + if (waitpid(pid, &status, 0) < 0) { + + if (errno == EINTR) + continue; + + return -errno; + } + + break; + } + + if (WIFEXITED(status)) { + if (WEXITSTATUS(status) != 0) { + log_warning("/sbin/modprobe failed with error code %i.", WEXITSTATUS(status)); + return -EPROTO; + } + + log_debug("/sbin/modprobe succeeded."); + return 0; + } + + if (WIFSIGNALED(status)) { + log_warning("/sbin/modprobe terminated by signal %s.", strsignal(WTERMSIG(status))); + return -EPROTO; + } + + log_warning("/sbin/modprobe failed due to unknown reason."); + return -EPROTO; +} diff --git a/src/kmod-setup.h b/src/kmod-setup.h new file mode 100644 index 0000000000..c102b52649 --- /dev/null +++ b/src/kmod-setup.h @@ -0,0 +1,27 @@ +/*-*- Mode: C; c-basic-offset: 8 -*-*/ + +#ifndef fookmodsetuphfoo +#define fookmodsetuphfoo + +/*** + 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 General Public License as published by + the Free Software Foundation; either version 2 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. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +int kmod_setup(void); + +#endif diff --git a/src/main.c b/src/main.c index 2e754fe6e0..95d2115230 100644 --- a/src/main.c +++ b/src/main.c @@ -37,6 +37,7 @@ #include "mount-setup.h" #include "hostname-setup.h" #include "loopback-setup.h" +#include "kmod-setup.h" #include "load-fragment.h" #include "fdset.h" @@ -639,6 +640,7 @@ int main(int argc, char *argv[]) { log_debug("systemd running in %s mode.", manager_running_as_to_string(running_as)); if (running_as == MANAGER_INIT) { + kmod_setup(); hostname_setup(); loopback_setup(); } |