+++ /dev/null
-/*-*- 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 "bus-internal.h"
-
-bool object_path_is_valid(const char *p) {
- const char *q;
- bool slash;
-
- if (!p)
- return false;
-
- if (p[0] != '/')
- return false;
-
- if (p[1] == 0)
- return true;
-
- for (slash = true, q = p+1; *q; q++)
- if (*q == '/') {
- if (slash)
- return false;
-
- slash = true;
- } else {
- bool good;
-
- good =
- (*q >= 'a' && *q <= 'z') ||
- (*q >= 'A' && *q <= 'Z') ||
- (*q >= '0' && *q <= '9') ||
- *q == '_';
-
- if (!good)
- return false;
-
- slash = false;
- }
-
- if (slash)
- return false;
-
- return true;
-}
-
-char* object_path_startswith(const char *a, const char *b) {
- const char *p;
-
- if (!object_path_is_valid(a) ||
- !object_path_is_valid(b))
- return NULL;
-
- if (streq(b, "/"))
- return (char*) a + 1;
-
- p = startswith(a, b);
- if (!p)
- return NULL;
-
- if (*p == 0)
- return (char*) p;
-
- if (*p == '/')
- return (char*) p + 1;
-
- return NULL;
-}
-
-bool interface_name_is_valid(const char *p) {
- const char *q;
- bool dot, found_dot = false;
-
- if (isempty(p))
- return false;
-
- for (dot = true, q = p; *q; q++)
- if (*q == '.') {
- if (dot)
- return false;
-
- found_dot = dot = true;
- } else {
- bool good;
-
- good =
- (*q >= 'a' && *q <= 'z') ||
- (*q >= 'A' && *q <= 'Z') ||
- (!dot && *q >= '0' && *q <= '9') ||
- *q == '_';
-
- if (!good)
- return false;
-
- dot = false;
- }
-
- if (q - p > 255)
- return false;
-
- if (dot)
- return false;
-
- if (!found_dot)
- return false;
-
- return true;
-}
-
-bool service_name_is_valid(const char *p) {
- const char *q;
- bool dot, found_dot = false, unique;
-
- if (isempty(p))
- return false;
-
- unique = p[0] == ':';
-
- for (dot = true, q = unique ? p+1 : p; *q; q++)
- if (*q == '.') {
- if (dot)
- return false;
-
- found_dot = dot = true;
- } else {
- bool good;
-
- good =
- (*q >= 'a' && *q <= 'z') ||
- (*q >= 'A' && *q <= 'Z') ||
- ((!dot || unique) && *q >= '0' && *q <= '9') ||
- *q == '_' || *q == '-';
-
- if (!good)
- return false;
-
- dot = false;
- }
-
- if (q - p > 255)
- return false;
-
- if (dot)
- return false;
-
- if (!found_dot)
- return false;
-
- return true;
-}
-
-char* service_name_startswith(const char *a, const char *b) {
- const char *p;
-
- if (!service_name_is_valid(a) ||
- !service_name_is_valid(b))
- return NULL;
-
- p = startswith(a, b);
- if (!p)
- return NULL;
-
- if (*p == 0)
- return (char*) p;
-
- if (*p == '.')
- return (char*) p + 1;
-
- return NULL;
-}
-
-bool member_name_is_valid(const char *p) {
- const char *q;
-
- if (isempty(p))
- return false;
-
- for (q = p; *q; q++) {
- bool good;
-
- good =
- (*q >= 'a' && *q <= 'z') ||
- (*q >= 'A' && *q <= 'Z') ||
- (*q >= '0' && *q <= '9') ||
- *q == '_';
-
- if (!good)
- return false;
- }
-
- if (q - p > 255)
- return false;
-
- return true;
-}
-
-static bool complex_pattern_check(char c, const char *a, const char *b) {
- bool separator = false;
-
- if (!a && !b)
- return true;
-
- if (!a || !b)
- return false;
-
- for (;;) {
- if (*a != *b)
- return (separator && (*a == 0 || *b == 0)) ||
- (*a == 0 && *b == c && b[1] == 0) ||
- (*b == 0 && *a == c && a[1] == 0);
-
- if (*a == 0)
- return true;
-
- separator = *a == c;
-
- a++, b++;
- }
-}
-
-bool namespace_complex_pattern(const char *pattern, const char *value) {
- return complex_pattern_check('.', pattern, value);
-}
-
-bool path_complex_pattern(const char *pattern, const char *value) {
- return complex_pattern_check('/', pattern, value);
-}
-
-static bool simple_pattern_check(char c, const char *a, const char *b) {
-
- if (!a && !b)
- return true;
-
- if (!a || !b)
- return false;
-
- for (;;) {
- if (*a != *b)
- return *a == 0 && *b == c;
-
- if (*a == 0)
- return true;
-
- a++, b++;
- }
-}
-
-bool namespace_simple_pattern(const char *pattern, const char *value) {
- return simple_pattern_check('.', pattern, value);
-}
-
-bool path_simple_pattern(const char *pattern, const char *value) {
- return simple_pattern_check('/', pattern, value);
-}
-
-int bus_message_type_from_string(const char *s, uint8_t *u) {
- if (streq(s, "signal"))
- *u = SD_BUS_MESSAGE_SIGNAL;
- else if (streq(s, "method_call"))
- *u = SD_BUS_MESSAGE_METHOD_CALL;
- else if (streq(s, "error"))
- *u = SD_BUS_MESSAGE_METHOD_ERROR;
- else if (streq(s, "method_return"))
- *u = SD_BUS_MESSAGE_METHOD_RETURN;
- else
- return -EINVAL;
-
- return 0;
-}
-
-const char *bus_message_type_to_string(uint8_t u) {
- if (u == SD_BUS_MESSAGE_SIGNAL)
- return "signal";
- else if (u == SD_BUS_MESSAGE_METHOD_CALL)
- return "method_call";
- else if (u == SD_BUS_MESSAGE_METHOD_ERROR)
- return "error";
- else if (u == SD_BUS_MESSAGE_METHOD_RETURN)
- return "method_return";
- else
- return NULL;
-}
-
-char *bus_address_escape(const char *v) {
- const char *a;
- char *r, *b;
-
- r = new(char, strlen(v)*3+1);
- if (!r)
- return NULL;
-
- for (a = v, b = r; *a; a++) {
-
- if ((*a >= '0' && *a <= '9') ||
- (*a >= 'a' && *a <= 'z') ||
- (*a >= 'A' && *a <= 'Z') ||
- strchr("_-/.", *a))
- *(b++) = *a;
- else {
- *(b++) = '%';
- *(b++) = hexchar(*a >> 4);
- *(b++) = hexchar(*a & 0xF);
- }
- }
-
- *b = 0;
- return r;
-}
~ianmdlvl / elogind.git / blobdiff