fsck: Search for fsck.type in PATH

[elogind.git] / src / fsck / fsck.c

diff --git a/src/fsck/fsck.c b/src/fsck/fsck.c
index 8facc88bb43149fbbd4233051c36e6aab1d86002..5ed837dffbeb58a545e926afba4485b2c6963bef 100644 (file)
--- a/src/fsck/fsck.c
+++ b/src/fsck/fsck.c
@@ -37,6 +37,7 @@
 #include "bus-errors.h"
 #include "fileio.h"
 #include "udev-util.h"
+#include "path-util.h"
 
 static bool arg_skip = false;
 static bool arg_force = false;
@@ -72,38 +73,29 @@ static void start_target(const char *target) {
                 log_error("Failed to start unit: %s", bus_error_message(&error, -r));
 }
 
-static int parse_proc_cmdline(void) {
-        _cleanup_free_ char *line = NULL;
-        char *w, *state;
-        size_t l;
-        int r;
-
-        r = proc_cmdline(&line);
-        if (r < 0)
-                log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
-        if (r <= 0)
-                return 0;
+static int parse_proc_cmdline_item(const char *key, const char *value) {
 
-        FOREACH_WORD_QUOTED(w, l, line, state) {
+        if (streq(key, "fsck.mode") && value) {
 
-                if (strneq(w, "fsck.mode=auto", l))
+                if (streq(value, "auto"))
                         arg_force = arg_skip = false;
-                else if (strneq(w, "fsck.mode=force", l))
+                else if (streq(value, "force"))
                         arg_force = true;
-                else if (strneq(w, "fsck.mode=skip", l))
+                else if (streq(value, "skip"))
                         arg_skip = true;
-                else if (startswith(w, "fsck"))
-                        log_warning("Invalid fsck parameter. Ignoring.");
+                else
+                        log_warning("Invalid fsck.mode= parameter. Ignoring.");
+        } else if (startswith(key, "fsck."))
+                log_warning("Invalid fsck parameter. Ignoring.");
 #ifdef HAVE_SYSV_COMPAT
-                else if (strneq(w, "fastboot", l)) {
-                        log_error("Please pass 'fsck.mode=skip' rather than 'fastboot' on the kernel command line.");
-                        arg_skip = true;
-                } else if (strneq(w, "forcefsck", l)) {
-                        log_error("Please pass 'fsck.mode=force' rather than 'forcefsck' on the kernel command line.");
-                        arg_force = true;
-                }
-#endif
+        else if (streq(key, "fastboot") && !value) {
+                log_warning("Please pass 'fsck.mode=skip' rather than 'fastboot' on the kernel command line.");
+                arg_skip = true;
+        } else if (streq(key, "forcefsck") && !value) {
+                log_warning("Please pass 'fsck.mode=force' rather than 'forcefsck' on the kernel command line.");
+                arg_force = true;
         }
+#endif
 
         return 0;
 }
@@ -151,7 +143,7 @@ static int process_progress(int fd) {
 
         f = fdopen(fd, "r");
         if (!f) {
-                close_nointr_nofail(fd);
+                safe_close(fd);
                 return -errno;
         }
 
@@ -229,7 +221,7 @@ int main(int argc, char *argv[]) {
 
         umask(0022);
 
-        parse_proc_cmdline();
+        parse_proc_cmdline(parse_proc_cmdline_item);
         test_files();
 
         if (!arg_force && arg_skip)
@@ -294,14 +286,13 @@ int main(int argc, char *argv[]) {
 
         type = udev_device_get_property_value(udev_device, "ID_FS_TYPE");
         if (type) {
-                const char *checker = strappenda("/sbin/fsck.", type);
-                r = access(checker, X_OK);
+                r = fsck_exists(type);
                 if (r < 0) {
-                        if (errno == ENOENT) {
-                                log_info("%s doesn't exist, not checking file system.", checker);
+                        if (r == -ENOENT) {
+                                log_info("fsck.%s doesn't exist, not checking file system.", type);
                                 return EXIT_SUCCESS;
                         } else
-                                log_warning("%s cannot be used: %m", checker);
+                                log_warning("fsck.%s cannot be used: %s", type, strerror(-r));
                 }
         }
 
@@ -338,15 +329,12 @@ int main(int argc, char *argv[]) {
         } else if (pid == 0) {
                 /* Child */
                 if (progress_pipe[0] >= 0)
-                        close_nointr_nofail(progress_pipe[0]);
+                        safe_close(progress_pipe[0]);
                 execv(cmdline[0], (char**) cmdline);
                 _exit(8); /* Operational error */
         }
 
-        if (progress_pipe[1] >= 0) {
-                close_nointr_nofail(progress_pipe[1]);
-                progress_pipe[1] = -1;
-        }
+        progress_pipe[1] = safe_close(progress_pipe[1]);
 
         if (progress_pipe[0] >= 0) {
                 process_progress(progress_pipe[0]);
@@ -386,7 +374,7 @@ int main(int argc, char *argv[]) {
                 touch("/run/systemd/quotacheck");
 
 finish:
-        close_pipe(progress_pipe);
+        safe_close_pair(progress_pipe);
 
         return r;
 }