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-rw-r--r--src/shared/install-printf.c95
-rw-r--r--src/shared/install-printf.h25
-rw-r--r--src/shared/install.c42
-rw-r--r--src/shared/install.h9
4 files changed, 150 insertions, 21 deletions
diff --git a/src/shared/install-printf.c b/src/shared/install-printf.c
new file mode 100644
index 0000000000..85aebc42cc
--- /dev/null
+++ b/src/shared/install-printf.c
@@ -0,0 +1,95 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Zbigniew Jędrzejewski-Szmek
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <assert.h>
+#include <stdlib.h>
+
+#include "specifier.h"
+#include "unit-name.h"
+#include "install-printf.h"
+
+static char *specifier_prefix_and_instance(char specifier, void *data, void *userdata) {
+ InstallInfo *i = userdata;
+ assert(i);
+
+ return unit_name_to_prefix_and_instance(i->name);
+}
+
+static char *specifier_prefix(char specifier, void *data, void *userdata) {
+ InstallInfo *i = userdata;
+ assert(i);
+
+ return unit_name_to_prefix(i->name);
+}
+
+static char *specifier_instance(char specifier, void *data, void *userdata) {
+ InstallInfo *i = userdata;
+ char *instance;
+ int r;
+
+ assert(i);
+
+ r = unit_name_to_instance(i->name, &instance);
+ if (r < 0)
+ return NULL;
+ if (instance != NULL)
+ return instance;
+ else
+ return strdup("");
+}
+
+char *install_full_printf(InstallInfo *i, const char *format) {
+
+ /* This is similar to unit_full_printf() but does not support
+ * anything path-related.
+ *
+ * %n: the full id of the unit (foo@bar.waldo)
+ * %N: the id of the unit without the suffix (foo@bar)
+ * %p: the prefix (foo)
+ * %i: the instance (bar)
+
+ * %U the UID of the configured user or running user
+ * %u the username of the configured user or running user
+ * %m the machine ID of the running system
+ * %H the host name of the running system
+ * %b the boot ID of the running system
+ */
+
+ const Specifier table[] = {
+ { 'n', specifier_string, i->name },
+ { 'N', specifier_prefix_and_instance, NULL },
+ { 'p', specifier_prefix, NULL },
+ { 'i', specifier_instance, NULL },
+
+// { 'U', specifier_user_name, NULL },
+// { 'u', specifier_user_name, NULL },
+
+ { 'm', specifier_machine_id, NULL },
+ { 'H', specifier_host_name, NULL },
+ { 'b', specifier_boot_id, NULL },
+ { 0, NULL, NULL }
+ };
+
+ assert(i);
+ assert(format);
+
+ return specifier_printf(format, table, i);
+}
diff --git a/src/shared/install-printf.h b/src/shared/install-printf.h
new file mode 100644
index 0000000000..46f5294d21
--- /dev/null
+++ b/src/shared/install-printf.h
@@ -0,0 +1,25 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Zbigniew Jędrzejewski-Szmek
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#pragma once
+
+#include "install.h"
+char *install_full_printf(InstallInfo *i, const char *format);
diff --git a/src/shared/install.c b/src/shared/install.c
index 24905e1af6..7fb352cfff 100644
--- a/src/shared/install.c
+++ b/src/shared/install.c
@@ -36,15 +36,8 @@
#include "install.h"
#include "conf-parser.h"
#include "conf-files.h"
-
-typedef struct {
- char *name;
- char *path;
-
- char **aliases;
- char **wanted_by;
- char **required_by;
-} InstallInfo;
+#include "specifier.h"
+#include "install-printf.h"
typedef struct {
Hashmap *will_install;
@@ -1177,16 +1170,17 @@ static int install_info_symlink_alias(
assert(config_path);
STRV_FOREACH(s, i->aliases) {
- char *alias_path;
+ char _cleanup_free_ *alias_path = NULL, *dst = NULL;
- alias_path = path_make_absolute(*s, config_path);
+ dst = install_full_printf(i, *s);
+ if (!dst)
+ return -ENOMEM;
+ alias_path = path_make_absolute(dst, config_path);
if (!alias_path)
return -ENOMEM;
q = create_symlink(i->path, alias_path, force, changes, n_changes);
- free(alias_path);
-
if (r == 0)
r = q;
}
@@ -1208,18 +1202,21 @@ static int install_info_symlink_wants(
assert(config_path);
STRV_FOREACH(s, i->wanted_by) {
- char *path;
+ char _cleanup_free_ *path = NULL, *dst = NULL;
- if (!unit_name_is_valid(*s, true)) {
+ dst = install_full_printf(i, *s);
+ if (!dst)
+ return -ENOMEM;
+
+ if (!unit_name_is_valid(dst, true)) {
r = -EINVAL;
continue;
}
- if (asprintf(&path, "%s/%s.wants/%s", config_path, *s, i->name) < 0)
+ if (asprintf(&path, "%s/%s.wants/%s", config_path, dst, i->name) < 0)
return -ENOMEM;
q = create_symlink(i->path, path, force, changes, n_changes);
- free(path);
if (r == 0)
r = q;
@@ -1242,18 +1239,21 @@ static int install_info_symlink_requires(
assert(config_path);
STRV_FOREACH(s, i->required_by) {
- char *path;
+ char _cleanup_free_ *path = NULL, *dst = NULL;
- if (!unit_name_is_valid(*s, true)) {
+ dst = install_full_printf(i, *s);
+ if (!dst)
+ return -ENOMEM;
+
+ if (!unit_name_is_valid(dst, true)) {
r = -EINVAL;
continue;
}
- if (asprintf(&path, "%s/%s.requires/%s", config_path, *s, i->name) < 0)
+ if (asprintf(&path, "%s/%s.requires/%s", config_path, dst, i->name) < 0)
return -ENOMEM;
q = create_symlink(i->path, path, force, changes, n_changes);
- free(path);
if (r == 0)
r = q;
diff --git a/src/shared/install.h b/src/shared/install.h
index 55249914b1..5a351254bb 100644
--- a/src/shared/install.h
+++ b/src/shared/install.h
@@ -63,6 +63,15 @@ typedef struct UnitFileList {
UnitFileState state;
} UnitFileList;
+typedef struct {
+ char *name;
+ char *path;
+
+ char **aliases;
+ char **wanted_by;
+ char **required_by;
+} InstallInfo;
+
int unit_file_enable(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], bool force, UnitFileChange **changes, unsigned *n_changes);
int unit_file_disable(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], UnitFileChange **changes, unsigned *n_changes);
int unit_file_reenable(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], bool force, UnitFileChange **changes, unsigned *n_changes);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-08 11:54:59 +0000