Don't use hardcoded /sbin, /usr/bin etc. paths. Fixes #1450546

Instead, rely on programs to be in PATH, as gluster already
does in many places across its code base.

Change-Id: Id21152fe42f5b67205d8f1571b0656c4d5f74246
BUG: 1450546
Signed-off-by: Niklas Hambuechen <mail@nh2.me>

4 files changed, 10 insertions, 22 deletions

diff --git a/contrib/fuse-lib/mount-common.c b/contrib/fuse-lib/mount-common.c
index e9f80fe8154..6380dd8678e 100644
--- a/contrib/fuse-lib/mount-common.c
+++ b/contrib/fuse-lib/mount-common.c
@@ -255,16 +255,16 @@ fuse_mnt_umount (const char *progname, const char *abs_mnt,
                         exit (1);
                 }
 #ifdef GF_LINUX_HOST_OS
-                execl ("/bin/umount", "/bin/umount", "-i", rel_mnt,
+                execl ("umount", "umount", "-i", rel_mnt,
                        lazy ? "-l" : NULL, NULL);
-                GFFUSE_LOGERR ("%s: failed to execute /bin/umount: %s",
+                GFFUSE_LOGERR ("%s: failed to execute umount: %s",
                                progname, strerror (errno));
 #elif __NetBSD__
                 /* exitting the filesystem causes the umount */
                 exit (0);
 #else
-                execl ("/sbin/umount", "/sbin/umount", "-f", rel_mnt, NULL);
-                GFFUSE_LOGERR ("%s: failed to execute /sbin/umount: %s",
+                execl ("umount", "umount", "-f", rel_mnt, NULL);
+                GFFUSE_LOGERR ("%s: failed to execute umount: %s",
                                progname, strerror (errno));
 #endif /* GF_LINUX_HOST_OS */
                 exit (1);
diff --git a/xlators/mgmt/glusterd/src/glusterd-quota.c b/xlators/mgmt/glusterd/src/glusterd-quota.c
index 1fbdbd8c2c1..6231fe3a7f4 100644
--- a/xlators/mgmt/glusterd/src/glusterd-quota.c
+++ b/xlators/mgmt/glusterd/src/glusterd-quota.c
@@ -30,7 +30,7 @@
 
 #ifndef _PATH_SETFATTR
 # ifdef GF_LINUX_HOST_OS
-#  define _PATH_SETFATTR "/usr/bin/setfattr"
+#  define _PATH_SETFATTR "setfattr"
 # endif
 # ifdef __NetBSD__
 #  define _PATH_SETFATTR "/usr/pkg/bin/setfattr"
@@ -341,7 +341,7 @@ _glusterd_quota_initiate_fs_crawl (glusterd_conf_t *priv,
 
                 if (type == GF_QUOTA_OPTION_TYPE_ENABLE ||
                     type == GF_QUOTA_OPTION_TYPE_ENABLE_OBJECTS)
-                        runner_add_args (&runner, "/usr/bin/find", ".", NULL);
+                        runner_add_args (&runner, "find", ".", NULL);
 
                 else if (type == GF_QUOTA_OPTION_TYPE_DISABLE) {
 
@@ -357,7 +357,7 @@ _glusterd_quota_initiate_fs_crawl (glusterd_conf_t *priv,
                                          VIRTUAL_QUOTA_XATTR_CLEANUP_KEY, "1",
                                          "{}", "\\", ";", NULL);
 #else
-                        runner_add_args (&runner, "/usr/bin/find", ".",
+                        runner_add_args (&runner, "find", ".",
                                          "-exec", _PATH_SETFATTR, "-n",
                                          VIRTUAL_QUOTA_XATTR_CLEANUP_KEY, "-v",
                                          "1", "{}", "\\", ";", NULL);
diff --git a/xlators/mgmt/glusterd/src/glusterd-snapshot.c b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
index a9f4d829b77..7e58ae238e0 100644
--- a/xlators/mgmt/glusterd/src/glusterd-snapshot.c
+++ b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
@@ -120,7 +120,7 @@ glusterd_build_snap_device_path (char *device, char *snapname,
         }
 
         runinit (&runner);
-        runner_add_args (&runner, "/sbin/lvs", "--noheadings", "-o", "vg_name",
+        runner_add_args (&runner, "lvs", "--noheadings", "-o", "vg_name",
                          device, NULL);
         runner_redir (&runner, STDOUT_FILENO, RUN_PIPE);
         snprintf (msg, sizeof (msg), "Get volume group for device %s", device);
@@ -1911,7 +1911,7 @@ glusterd_is_thinp_brick (char *device, uint32_t *op_errno)
 
         runinit (&runner);
 
-        runner_add_args (&runner, "/sbin/lvs", "--noheadings", "-o", "pool_lv",
+        runner_add_args (&runner, "lvs", "--noheadings", "-o", "pool_lv",
                          device, NULL);
         runner_redir (&runner, STDOUT_FILENO, RUN_PIPE);
         runner_log (&runner, this->name, GF_LOG_DEBUG, msg);
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index f7b6ffc21af..42a4411d92e 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -6662,7 +6662,6 @@ static struct fs_info {
         char *fs_tool_pattern;
         char *fs_tool_pkg;
 } glusterd_fs[] = {
-        /* some linux have these in /usr/sbin/and others in /sbin/? */
         { "xfs", "xfs_info", NULL, "isize=", "xfsprogs" },
         { "ext3", "tune2fs", "-l", "Inode size:", "e2fsprogs" },
         { "ext4", "tune2fs", "-l", "Inode size:", "e2fsprogs" },
@@ -6683,7 +6682,6 @@ glusterd_add_inode_size_to_dict (dict_t *dict, int count)
         char           *trail             = NULL;
         runner_t        runner            = {0, };
         struct fs_info *fs                = NULL;
-        char            fs_tool_name[256] = {0, };
         static dict_t  *cached_fs         = NULL;
 
         memset (key, 0, sizeof (key));
@@ -6720,17 +6718,7 @@ glusterd_add_inode_size_to_dict (dict_t *dict, int count)
                                 cur_word = "N/A";
                                 goto cached;
                         }
-
-                        snprintf (fs_tool_name, sizeof (fs_tool_name),
-                                  "/usr/sbin/%s", fs->fs_tool_name);
-                        if (sys_access (fs_tool_name, R_OK|X_OK) == 0)
-                                runner_add_arg (&runner, fs_tool_name);
-                        else {
-                                snprintf (fs_tool_name, sizeof (fs_tool_name),
-                                          "/sbin/%s", fs->fs_tool_name);
-                                if (sys_access (fs_tool_name, R_OK|X_OK) == 0)
-                                        runner_add_arg (&runner, fs_tool_name);
-                        }
+                        runner_add_arg (&runner, fs->fs_tool_name);
                         break;
                 }
         }