/* the Music Player Daemon (MPD) * (c)2003-2006 by Warren Dukes (warren.dukes@gmail.com) * This project's homepage is: http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "permission.h" #include "conf.h" #include "list.h" #include "log.h" #include "utils.h" #include <string.h> #define PERMISSION_PASSWORD_CHAR "@" #define PERMISSION_SEPERATOR "," #define PERMISSION_READ_STRING "read" #define PERMISSION_ADD_STRING "add" #define PERMISSION_CONTROL_STRING "control" #define PERMISSION_ADMIN_STRING "admin" static List *permission_passwords; static int permission_default; static int parsePermissions(char *string) { int permission = 0; char *temp; char *tok; if (!string) return 0; temp = strtok_r(string, PERMISSION_SEPERATOR, &tok); while (temp) { if (strcmp(temp, PERMISSION_READ_STRING) == 0) { permission |= PERMISSION_READ; } else if (strcmp(temp, PERMISSION_ADD_STRING) == 0) { permission |= PERMISSION_ADD; } else if (strcmp(temp, PERMISSION_CONTROL_STRING) == 0) { permission |= PERMISSION_CONTROL; } else if (strcmp(temp, PERMISSION_ADMIN_STRING) == 0) { permission |= PERMISSION_ADMIN; } else { ERROR("unknown permission \"%s\"\n", temp); exit(EXIT_FAILURE); } temp = strtok_r(NULL, PERMISSION_SEPERATOR, &tok); } return permission; } void initPermissions(void) { char *temp; char *cp2; char *password; int *permission; ConfigParam *param; permission_passwords = makeList(free, 1); permission_default = PERMISSION_READ | PERMISSION_ADD | PERMISSION_CONTROL | PERMISSION_ADMIN; param = getNextConfigParam(CONF_PASSWORD, NULL); if (param) { permission_default = 0; do { if (!strstr(param->value, PERMISSION_PASSWORD_CHAR)) { ERROR("\"%s\" not found in password string " "\"%s\", line %i\n", PERMISSION_PASSWORD_CHAR, param->value, param->line); exit(EXIT_FAILURE); } if (!(temp = strtok_r(param->value, PERMISSION_PASSWORD_CHAR, &cp2))) { ERROR ("something weird just happened in permission.c\n"); exit(EXIT_FAILURE); } password = temp; permission = xmalloc(sizeof(int)); *permission = parsePermissions(strtok_r(NULL, "", &cp2)); insertInList(permission_passwords, password, permission); } while ((param = getNextConfigParam(CONF_PASSWORD, param))); } param = getConfigParam(CONF_DEFAULT_PERMS); if (param) permission_default = parsePermissions(param->value); sortList(permission_passwords); } int getPermissionFromPassword(char *password, int *permission) { void *foundPermission; if (findInList(permission_passwords, password, &foundPermission)) { *permission = *((int *)foundPermission); return 0; } return -1; } void finishPermissions(void) { freeList(permission_passwords); } int getDefaultPermissions(void) { return permission_default; }