From 8d32393e5a3fbc12371edf69830d0258a097211f Mon Sep 17 00:00:00 2001

From: Lennart Poettering <lennart@poettering.net>

Date: Tue, 17 Jun 2014 00:53:49 +0200

Subject: [PATCH] install: make sure that --root= mode doesn't make us consider

 all units outside of search path

(cherry picked from commit 8f294b45cbb627d31342f6a79444be59ce7e2274)

Related: #1111199

---

 src/shared/install.c | 41 +++++++++++++++++++++++++++++++++++++----

 src/shared/util.c    | 16 ----------------

 src/shared/util.h    |  1 -

 3 files changed, 37 insertions(+), 21 deletions(-)

diff --git a/src/shared/install.c b/src/shared/install.c

index 871de78..7dad66d 100644

--- a/src/shared/install.c

+++ b/src/shared/install.c

@@ -47,6 +47,37 @@ typedef struct {

 #define _cleanup_lookup_paths_free_ _cleanup_(lookup_paths_free)

 #define _cleanup_install_context_done_ _cleanup_(install_context_done)

+static int in_search_path(const char *path, char **search, const char *root_dir) {

+        _cleanup_free_ char *parent = NULL;

+        char **i;

+        int r;

+

+        assert(path);

+

+        r = path_get_parent(path, &parent);

+        if (r < 0)

+                return r;

+

+        STRV_FOREACH(i, search) {

+                _cleanup_free_ char *buf = NULL;

+                const char *p;

+

+                if (root_dir) {

+                        buf = strjoin(root_dir, "/", *i, NULL);

+                        if (!buf)

+                                return -ENOMEM;

+

+                        p = buf;

+                } else

+                        p = *i;

+

+                if (path_equal(parent, p))

+                        return 1;

+        }

+

+        return 0;

+}

+

 static int lookup_paths_init_from_scope(LookupPaths *paths,

                                         UnitFileScope scope,

                                         const char *root_dir) {

@@ -741,7 +772,7 @@ int unit_file_link(

                         continue;

                 }

-                q = in_search_path(*i, paths.unit_path);

+                q = in_search_path(*i, paths.unit_path, root_dir);

                 if (q < 0)

                         return q;

@@ -1296,6 +1327,7 @@ static int install_info_symlink_link(

                 InstallInfo *i,

                 LookupPaths *paths,

                 const char *config_path,

+                const char *root_dir,

                 bool force,

                 UnitFileChange **changes,

                 unsigned *n_changes) {

@@ -1308,7 +1340,7 @@ static int install_info_symlink_link(

         assert(config_path);

         assert(i->path);

-        r = in_search_path(i->path, paths->unit_path);

+        r = in_search_path(i->path, paths->unit_path, root_dir);

         if (r != 0)

                 return r;

@@ -1323,6 +1355,7 @@ static int install_info_apply(

                 InstallInfo *i,

                 LookupPaths *paths,

                 const char *config_path,

+                const char *root_dir,

                 bool force,

                 UnitFileChange **changes,

                 unsigned *n_changes) {

@@ -1343,7 +1376,7 @@ static int install_info_apply(

         if (r == 0)

                 r = q;

-        q = install_info_symlink_link(i, paths, config_path, force, changes, n_changes);

+        q = install_info_symlink_link(i, paths, config_path, root_dir, force, changes, n_changes);

         if (r == 0)

                 r = q;

@@ -1383,7 +1416,7 @@ static int install_context_apply(

                 } else if (r >= 0)

                         r += q;

-                q = install_info_apply(i, paths, config_path, force, changes, n_changes);

+                q = install_info_apply(i, paths, config_path, root_dir, force, changes, n_changes);

                 if (r >= 0 && q < 0)

                         r = q;

         }

diff --git a/src/shared/util.c b/src/shared/util.c

index e313ea9..fc1f765 100644

--- a/src/shared/util.c

+++ b/src/shared/util.c

@@ -4490,22 +4490,6 @@ int dirent_ensure_type(DIR *d, struct dirent *de) {

         return 0;

 }

-int in_search_path(const char *path, char **search) {

-        char **i;

-        _cleanup_free_ char *parent = NULL;

-        int r;

-

-        r = path_get_parent(path, &parent);

-        if (r < 0)

-                return r;

-

-        STRV_FOREACH(i, search)

-                if (path_equal(parent, *i))

-                        return 1;

-

-        return 0;

-}

-

 int get_files_in_directory(const char *path, char ***list) {

         _cleanup_closedir_ DIR *d = NULL;

         size_t bufsize = 0, n = 0;

diff --git a/src/shared/util.h b/src/shared/util.h

index 3f30917..ec18d2c 100644

--- a/src/shared/util.h

+++ b/src/shared/util.h

@@ -475,7 +475,6 @@ int glob_extend(char ***strv, const char *path);

 int dirent_ensure_type(DIR *d, struct dirent *de);

-int in_search_path(const char *path, char **search);

 int get_files_in_directory(const char *path, char ***list);

 char *strjoin(const char *x, ...) _sentinel_;