/* the Music Player Daemon (MPD) * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu) * 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 <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" List * permission_passwords; unsigned int permission_default; unsigned int parsePermissions(char * string) { unsigned 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("uknown permission \"%s\"\n",temp); exit(EXIT_FAILURE); } temp = strtok_r(NULL,PERMISSION_SEPERATOR,&tok); } return permission; } void initPermissions() { char * passwordSets; char * nextSet; char * temp; char * cp1; char * cp2; char * password; unsigned int * permission; permission_passwords = makeList(free); permission_default = PERMISSION_READ | PERMISSION_ADD | PERMISSION_CONTROL | PERMISSION_ADMIN; if(getConf()[CONF_DEFAULT_PERMISSIONS]) { permission_default = parsePermissions( getConf()[CONF_DEFAULT_PERMISSIONS]); } if(!getConf()[CONF_PASSWORD]) return; if(!getConf()[CONF_DEFAULT_PERMISSIONS]) permission_default = 0; passwordSets = strdup(getConf()[CONF_PASSWORD]); nextSet = strtok_r(passwordSets,CONF_CAT_CHAR,&cp1); while(nextSet && strlen(nextSet)) { if(!strstr(nextSet,PERMISSION_PASSWORD_CHAR)) { ERROR("\"%s\" not found in password string \"%s\"\n", PERMISSION_PASSWORD_CHAR, nextSet); exit(EXIT_FAILURE); } if(!(temp = strtok_r(nextSet,PERMISSION_PASSWORD_CHAR,&cp2))) { ERROR("something weird just happend in permission.c\n"); exit(EXIT_FAILURE); } password = temp; permission = malloc(sizeof(unsigned int)); *permission = parsePermissions(strtok_r(NULL,"",&cp2)); insertInList(permission_passwords,password,permission); nextSet = strtok_r(NULL,CONF_CAT_CHAR,&cp1); } sortList(permission_passwords); free(passwordSets); } int getPermissionFromPassword(char * password, unsigned int * permission) { void * foundPermission; if(findInList(permission_passwords,password,&foundPermission)) { *permission = *((unsigned int *)foundPermission); return 0; } return -1; } void finishPermissions() { freeList(permission_passwords); } unsigned int getDefaultPermissions() { return permission_default; }