/* * uhttpd - Tiny single-threaded httpd * * Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org> * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "uhttpd.h" static LIST_HEAD(auth_realms); void uh_auth_add(const char *path, const char *user, const char *pass) { struct auth_realm *new = NULL; struct passwd *pwd; const char *new_pass = NULL; char *dest_path, *dest_user, *dest_pass; #ifdef HAVE_SHADOW struct spwd *spwd; #endif /* given password refers to a passwd entry */ if ((strlen(pass) > 3) && !strncmp(pass, "$p$", 3)) { #ifdef HAVE_SHADOW /* try to resolve shadow entry */ spwd = getspnam(&pass[3]); if (spwd) new_pass = spwd->sp_pwdp; #endif if (!new_pass) { pwd = getpwnam(&pass[3]); if (pwd && pwd->pw_passwd && pwd->pw_passwd[0] && pwd->pw_passwd[0] != '!') new_pass = pwd->pw_passwd; } } else { new_pass = pass; } if (!new_pass || !new_pass[0]) return; new = calloc_a(sizeof(*new), &dest_path, strlen(path) + 1, &dest_user, strlen(user) + 1, &dest_pass, strlen(new_pass) + 1); if (!new) return; new->path = strcpy(dest_path, path); new->user = strcpy(dest_user, user); new->pass = strcpy(dest_pass, new_pass); list_add(&new->list, &auth_realms); }