fstab-generator: ignore invalid swap priority

[elogind.git] / src / fstab-generator / fstab-generator.c

diff --git a/src/fstab-generator/fstab-generator.c b/src/fstab-generator/fstab-generator.c
index 64eed49523d74fff5d84b23815307456787e995d..2ece12f79202d24bee85944c0fce862ff0dd57b3 100644 (file)
--- a/src/fstab-generator/fstab-generator.c
+++ b/src/fstab-generator/fstab-generator.c
@@ -33,7 +33,6 @@
 #include "mount-setup.h"
 #include "special.h"
 #include "mkdir.h"
-#include "fileio.h"
 #include "generator.h"
 #include "strv.h"
 #include "virt.h"
@@ -54,9 +53,10 @@ static int add_swap(
                 bool noauto,
                 bool nofail) {
 
-        _cleanup_free_ char *name = NULL, *unit = NULL, *lnk = NULL;
+        _cleanup_free_ char *name = NULL, *unit = NULL, *lnk = NULL, *filtered = NULL;
         _cleanup_fclose_ FILE *f = NULL;
         int r, pri = -1;
+        const char *opts;
 
         assert(what);
         assert(me);
@@ -71,9 +71,17 @@ static int add_swap(
                 return 0;
         }
 
-        r = fstab_find_pri(me->mnt_opts, &pri);
-        if (r < 0)
-                return log_error_errno(r, "Failed to parse priority: %m");
+        opts = me->mnt_opts;
+        r = fstab_find_pri(opts, &pri);
+        if (r < 0) {
+                log_error_errno(r, "Failed to parse priority, ignoring: %m");
+
+                /* Remove invalid pri field */
+                r = fstab_filter_options(opts, "pri\0", NULL, NULL, &filtered);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to parse options: %m");
+                opts = filtered;
+        }
 
         name = unit_name_from_path(what, ".swap");
         if (!name)
@@ -106,15 +114,15 @@ static int add_swap(
         if (pri >= 0)
                 fprintf(f, "Priority=%i\n", pri);
 
-        if (!isempty(me->mnt_opts) && !streq(me->mnt_opts, "defaults"))
-                fprintf(f, "Options=%s\n", me->mnt_opts);
+        if (!isempty(opts) && !streq(opts, "defaults"))
+                fprintf(f, "Options=%s\n", opts);
 
         r = fflush_and_check(f);
         if (r < 0)
                 return log_error_errno(r, "Failed to write unit file %s: %m", unit);
 
         /* use what as where, to have a nicer error message */
-        r = generator_write_timeouts(arg_dest, what, what, me->mnt_opts, NULL);
+        r = generator_write_timeouts(arg_dest, what, what, opts, NULL);
         if (r < 0)
                 return r;
 
@@ -135,17 +143,15 @@ static int add_swap(
 static bool mount_is_network(struct mntent *me) {
         assert(me);
 
-        return
-                hasmntopt(me, "_netdev") ||
-                fstype_is_network(me->mnt_type);
+        return fstab_test_option(me->mnt_opts, "_netdev\0") ||
+               fstype_is_network(me->mnt_type);
 }
 
 static bool mount_in_initrd(struct mntent *me) {
         assert(me);
 
-        return
-                hasmntopt(me, "x-initrd.mount") ||
-                streq(me->mnt_dir, "/usr");
+        return fstab_test_option(me->mnt_opts, "x-initrd.mount\0") ||
+               streq(me->mnt_dir, "/usr");
 }
 
 static int add_mount(
@@ -344,8 +350,8 @@ static int parse_fstab(bool initrd) {
                 if (is_path(where))
                         path_kill_slashes(where);
 
-                noauto = !!hasmntopt(me, "noauto");
-                nofail = !!hasmntopt(me, "nofail");
+                noauto = fstab_test_yes_no_option(me->mnt_opts, "noauto\0" "auto\0");
+                nofail = fstab_test_yes_no_option(me->mnt_opts, "nofail\0" "fail\0");
                 log_debug("Found entry what=%s where=%s type=%s nofail=%s noauto=%s",
                           what, where, me->mnt_type,
                           yes_no(noauto), yes_no(nofail));
@@ -356,10 +362,9 @@ static int parse_fstab(bool initrd) {
                         bool automount;
                         const char *post;
 
-                        automount =
-                                  hasmntopt(me, "comment=systemd.automount") ||
-                                  hasmntopt(me, "x-systemd.automount");
-
+                        automount = fstab_test_option(me->mnt_opts,
+                                                      "comment=systemd.automount\0"
+                                                      "x-systemd.automount\0");
                         if (initrd)
                                 post = SPECIAL_INITRD_FS_TARGET;
                         else if (mount_in_initrd(me))
@@ -407,7 +412,7 @@ static int add_root_mount(void) {
                 opts = arg_root_rw > 0 ? "rw" : "ro";
         else if (arg_root_rw >= 0 ||
                  !fstab_test_option(arg_root_options, "ro\0" "rw\0"))
-                opts = strappenda(arg_root_options, ",", arg_root_rw > 0 ? "rw" : "ro");
+                opts = strjoina(arg_root_options, ",", arg_root_rw > 0 ? "rw" : "ro");
         else
                 opts = arg_root_options;
 
@@ -464,7 +469,7 @@ static int add_usr_mount(void) {
         if (!arg_usr_options)
                 opts = arg_root_rw > 0 ? "rw" : "ro";
         else if (!fstab_test_option(arg_usr_options, "ro\0" "rw\0"))
-                opts = strappenda(arg_usr_options, ",", arg_root_rw > 0 ? "rw" : "ro");
+                opts = strjoina(arg_usr_options, ",", arg_root_rw > 0 ? "rw" : "ro");
         else
                 opts = arg_usr_options;