1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2013 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include "bus-internal.h"
24 bool object_path_is_valid(const char *p) {
37 for (slash = true, q = p+1; *q; q++)
47 (*q >= 'a' && *q <= 'z') ||
48 (*q >= 'A' && *q <= 'Z') ||
49 (*q >= '0' && *q <= '9') ||
64 char* object_path_startswith(const char *a, const char *b) {
67 if (!object_path_is_valid(a) ||
68 !object_path_is_valid(b))
87 bool interface_name_is_valid(const char *p) {
89 bool dot, found_dot = false;
94 for (dot = true, q = p; *q; q++)
99 found_dot = dot = true;
104 (*q >= 'a' && *q <= 'z') ||
105 (*q >= 'A' && *q <= 'Z') ||
106 (!dot && *q >= '0' && *q <= '9') ||
127 bool service_name_is_valid(const char *p) {
129 bool dot, found_dot = false, unique;
134 unique = p[0] == ':';
136 for (dot = true, q = unique ? p+1 : p; *q; q++)
141 found_dot = dot = true;
146 (*q >= 'a' && *q <= 'z') ||
147 (*q >= 'A' && *q <= 'Z') ||
148 ((!dot || unique) && *q >= '0' && *q <= '9') ||
149 *q == '_' || *q == '-';
169 bool sender_name_is_valid(const char *p) {
173 if (streq(p, ":no-sender"))
176 return service_name_is_valid(p);
179 bool member_name_is_valid(const char *p) {
185 for (q = p; *q; q++) {
189 (*q >= 'a' && *q <= 'z') ||
190 (*q >= 'A' && *q <= 'Z') ||
191 (*q >= '0' && *q <= '9') ||
204 static bool complex_pattern_check(char c, const char *a, const char *b) {
205 bool separator = false;
215 return (separator && (*a == 0 || *b == 0)) ||
216 (*a == 0 && *b == c && b[1] == 0) ||
217 (*b == 0 && *a == c && a[1] == 0);
228 bool namespace_complex_pattern(const char *pattern, const char *value) {
229 return complex_pattern_check('.', pattern, value);
232 bool path_complex_pattern(const char *pattern, const char *value) {
233 return complex_pattern_check('/', pattern, value);
236 static bool simple_pattern_check(char c, const char *a, const char *b) {
246 return *a == 0 && *b == c;
255 bool namespace_simple_pattern(const char *pattern, const char *value) {
256 return simple_pattern_check('.', pattern, value);
259 bool path_simple_pattern(const char *pattern, const char *value) {
260 return simple_pattern_check('/', pattern, value);
263 int bus_message_type_from_string(const char *s, uint8_t *u) {
264 if (streq(s, "signal"))
265 *u = SD_BUS_MESSAGE_SIGNAL;
266 else if (streq(s, "method_call"))
267 *u = SD_BUS_MESSAGE_METHOD_CALL;
268 else if (streq(s, "error"))
269 *u = SD_BUS_MESSAGE_METHOD_ERROR;
270 else if (streq(s, "method_return"))
271 *u = SD_BUS_MESSAGE_METHOD_RETURN;
278 const char *bus_message_type_to_string(uint8_t u) {
279 if (u == SD_BUS_MESSAGE_SIGNAL)
281 else if (u == SD_BUS_MESSAGE_METHOD_CALL)
282 return "method_call";
283 else if (u == SD_BUS_MESSAGE_METHOD_ERROR)
285 else if (u == SD_BUS_MESSAGE_METHOD_RETURN)
286 return "method_return";
291 char *bus_address_escape(const char *v) {
295 r = new(char, strlen(v)*3+1);
299 for (a = v, b = r; *a; a++) {
301 if ((*a >= '0' && *a <= '9') ||
302 (*a >= 'a' && *a <= 'z') ||
303 (*a >= 'A' && *a <= 'Z') ||
308 *(b++) = hexchar(*a >> 4);
309 *(b++) = hexchar(*a & 0xF);