/*-*- 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; } bool interface_name_is_valid(const char *p) { const char *q; bool dot, found_dot; 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, 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; } 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; }