99 lines
3.7 KiB
Diff
99 lines
3.7 KiB
Diff
Based on 571d0134bd464444567cf4eb0d2ed8df40045f36 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Tue, 24 Jun 2014 19:37:22 +0200
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Subject: [PATCH] fsck: consider a fsck implementation linked to /bin/true
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non-existant
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---
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src/fsck/fsck.c | 32 ++++++++++++++++++++++----------
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src/shared/path-util.c | 26 +++++++++++++++-----------
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2 files changed, 37 insertions(+), 21 deletions(-)
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--- src/fsck/fsck.c
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+++ src/fsck/fsck.c 2014-06-26 09:19:58.591864710 +0000
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@@ -280,16 +280,28 @@ int main(int argc, char *argv[]) {
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type = udev_device_get_property_value(udev_device, "ID_FS_TYPE");
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if (type) {
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- const char *checker = strappenda("/sbin/fsck.", type);
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- r = access(checker, X_OK);
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- if (r < 0) {
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- if (errno == ENOENT) {
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- log_info("%s doesn't exist, not checking file system on %s",
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- checker, device);
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- return EXIT_SUCCESS;
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- } else
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- log_warning("%s cannot be used for %s: %m",
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- checker, device);
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+ _cleanup_free_ char *p = NULL, *d = NULL;
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+ const char *checker = strappenda("fsck.", type);
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+ r = find_binary(checker, &p);
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+ if (r == -ENOENT) {
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+ log_info("fsck.%s doesn't exist, not checking file system on %s",
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+ type, device);
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+ return EXIT_SUCCESS;
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+ } else if (r < 0) {
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+ log_warning("fsck.%s cannot be used for %s: %m",
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+ type, device);
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+ return r;
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+ }
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+
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+ /* An fsck that is linked to /bin/true is a non-existant fsck */
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+ r = readlink_malloc(p, &d);
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+ if (r >= 0 &&
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+ (path_equal(d, "/bin/true") ||
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+ path_equal(d, "/usr/bin/true") ||
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+ path_equal(d, "/dev/null"))) {
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+ log_info("fsck.%s doesn't exist, not checking file system on %s",
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+ type, device);
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+ return EXIT_SUCCESS;
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}
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}
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--- src/shared/path-util.c
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+++ src/shared/path-util.c 2014-06-26 09:14:15.651559638 +0000
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@@ -425,19 +425,21 @@ int path_is_os_tree(const char *path) {
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int find_binary(const char *name, char **filename) {
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assert(name);
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- assert(filename);
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- if (strchr(name, '/')) {
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- char *p;
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+ if (is_path(name)) {
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+ if (access(name, X_OK) < 0)
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+ return -errno;
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+
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+ if (filename) {
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+ char *p;
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- if (path_is_absolute(name))
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- p = strdup(name);
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- else
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p = path_make_absolute_cwd(name);
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- if (!p)
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- return -ENOMEM;
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+ if (!p)
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+ return -ENOMEM;
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+
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+ *filename = p;
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+ }
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- *filename = p;
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return 0;
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} else {
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const char *path;
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@@ -463,8 +465,10 @@ int find_binary(const char *name, char *
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continue;
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}
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- path_kill_slashes(p);
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- *filename = p;
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+ if (filename) {
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+ path_kill_slashes(p);
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+ *filename = p;
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+ }
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return 0;
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}
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