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-rw-r--r--src/libsystemd/sd-bus/sd-bus.c69
-rw-r--r--src/shared/bus-label.c102
-rw-r--r--src/shared/bus-label.h25
-rw-r--r--src/shared/unit-name.c6
4 files changed, 133 insertions, 69 deletions
diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c
index 427d53061c..20f540df58 100644
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -36,6 +36,7 @@
#include "missing.h"
#include "def.h"
#include "cgroup-util.h"
+#include "bus-label.h"
#include "sd-bus.h"
#include "bus-internal.h"
@@ -3041,75 +3042,11 @@ _public_ int sd_bus_get_tid(sd_bus *b, pid_t *tid) {
}
_public_ char *sd_bus_label_escape(const char *s) {
- char *r, *t;
- const char *f;
-
- assert_return(s, NULL);
-
- /* Escapes all chars that D-Bus' object path cannot deal
- * with. Can be reversed with bus_path_unescape(). We special
- * case the empty string. */
-
- if (*s == 0)
- return strdup("_");
-
- r = new(char, strlen(s)*3 + 1);
- if (!r)
- return NULL;
-
- for (f = s, t = r; *f; f++) {
-
- /* Escape everything that is not a-zA-Z0-9. We also
- * escape 0-9 if it's the first character */
-
- if (!(*f >= 'A' && *f <= 'Z') &&
- !(*f >= 'a' && *f <= 'z') &&
- !(f > s && *f >= '0' && *f <= '9')) {
- *(t++) = '_';
- *(t++) = hexchar(*f >> 4);
- *(t++) = hexchar(*f);
- } else
- *(t++) = *f;
- }
-
- *t = 0;
-
- return r;
+ return bus_label_escape(s);
}
_public_ char *sd_bus_label_unescape(const char *f) {
- char *r, *t;
-
- assert_return(f, NULL);
-
- /* Special case for the empty string */
- if (streq(f, "_"))
- return strdup("");
-
- r = new(char, strlen(f) + 1);
- if (!r)
- return NULL;
-
- for (t = r; *f; f++) {
-
- if (*f == '_') {
- int a, b;
-
- if ((a = unhexchar(f[1])) < 0 ||
- (b = unhexchar(f[2])) < 0) {
- /* Invalid escape code, let's take it literal then */
- *(t++) = '_';
- } else {
- *(t++) = (char) ((a << 4) | b);
- f += 2;
- }
- } else
- *(t++) = *f;
- }
-
- *t = 0;
-
- return r;
+ return bus_label_unescape(f);
}
_public_ int sd_bus_get_peer_creds(sd_bus *bus, uint64_t mask, sd_bus_creds **ret) {
diff --git a/src/shared/bus-label.c b/src/shared/bus-label.c
new file mode 100644
index 0000000000..61eb75bca2
--- /dev/null
+++ b/src/shared/bus-label.c
@@ -0,0 +1,102 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Lennart Poettering
+
+ 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 <unistd.h>
+
+#include "util.h"
+#include "macro.h"
+#include "def.h"
+
+#include "bus-label.h"
+
+char *bus_label_escape(const char *s) {
+ char *r, *t;
+ const char *f;
+
+ assert_return(s, NULL);
+
+ /* Escapes all chars that D-Bus' object path cannot deal
+ * with. Can be reversed with bus_path_unescape(). We special
+ * case the empty string. */
+
+ if (*s == 0)
+ return strdup("_");
+
+ r = new(char, strlen(s)*3 + 1);
+ if (!r)
+ return NULL;
+
+ for (f = s, t = r; *f; f++) {
+
+ /* Escape everything that is not a-zA-Z0-9. We also
+ * escape 0-9 if it's the first character */
+
+ if (!(*f >= 'A' && *f <= 'Z') &&
+ !(*f >= 'a' && *f <= 'z') &&
+ !(f > s && *f >= '0' && *f <= '9')) {
+ *(t++) = '_';
+ *(t++) = hexchar(*f >> 4);
+ *(t++) = hexchar(*f);
+ } else
+ *(t++) = *f;
+ }
+
+ *t = 0;
+
+ return r;
+}
+
+char *bus_label_unescape(const char *f) {
+ char *r, *t;
+
+ assert_return(f, NULL);
+
+ /* Special case for the empty string */
+ if (streq(f, "_"))
+ return strdup("");
+
+ r = new(char, strlen(f) + 1);
+ if (!r)
+ return NULL;
+
+ for (t = r; *f; f++) {
+
+ if (*f == '_') {
+ int a, b;
+
+ if ((a = unhexchar(f[1])) < 0 ||
+ (b = unhexchar(f[2])) < 0) {
+ /* Invalid escape code, let's take it literal then */
+ *(t++) = '_';
+ } else {
+ *(t++) = (char) ((a << 4) | b);
+ f += 2;
+ }
+ } else
+ *(t++) = *f;
+ }
+
+ *t = 0;
+
+ return r;
+}
diff --git a/src/shared/bus-label.h b/src/shared/bus-label.h
new file mode 100644
index 0000000000..c27c8517fd
--- /dev/null
+++ b/src/shared/bus-label.h
@@ -0,0 +1,25 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Lennart Poettering
+
+ 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/>.
+***/
+
+char *bus_label_escape(const char *s);
+char *bus_label_unescape(const char *f);
diff --git a/src/shared/unit-name.c b/src/shared/unit-name.c
index 408323b8fb..2924c473df 100644
--- a/src/shared/unit-name.c
+++ b/src/shared/unit-name.c
@@ -23,8 +23,8 @@
#include <string.h>
#include <assert.h>
-#include "sd-bus.h"
#include "path-util.h"
+#include "bus-label.h"
#include "util.h"
#include "unit-name.h"
#include "def.h"
@@ -459,7 +459,7 @@ char *unit_dbus_path_from_name(const char *name) {
assert(name);
- e = sd_bus_label_escape(name);
+ e = bus_label_escape(name);
if (!e)
return NULL;
@@ -474,7 +474,7 @@ int unit_name_from_dbus_path(const char *path, char **name) {
if (!e)
return -EINVAL;
- n = sd_bus_label_unescape(e);
+ n = bus_label_unescape(e);
if (!n)
return -ENOMEM;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-01 06:55:58 +0000