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/* |
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* Boa, an http server |
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* Copyright (C) 1999 Larry Doolittle <ldoolitt@boa.org> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 1, or (at your option) |
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* any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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*/ |
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|
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/* $Id: config.c,v 1.8 2002/09/26 14:02:11 nmav Exp $*/ |
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|
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#include "boa.h" |
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#include "boa_grammar.h" |
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#include "parse.h" |
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|
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int yyparse(void); /* Better match the output of lex */ |
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|
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#ifdef DEBUG |
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#define DBG(x) x |
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#else |
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#define DBG(x) |
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#endif |
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|
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int server_port; |
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uid_t server_uid; |
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gid_t server_gid; |
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char *server_root; |
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char *server_name; |
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char *server_admin; |
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char *server_ip; |
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long int max_connections; |
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|
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int max_files_cache = 256; |
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int max_file_size_cache = 100 * 1024; |
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|
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int server_max_threads = 1; |
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|
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char *server_cert; |
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char *server_key; |
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int ssl_session_cache; |
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int boa_ssl = 0; |
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int ssl_port = 443; |
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int ssl_dh_bits = 1024; /* default value */ |
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int ssl_session_timeout = 3600; |
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int ssl_params_refresh = 432000; /* every 5 days */ |
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|
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char *ssl_ciphers = NULL; |
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char *ssl_mac = NULL; |
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char *ssl_kx = NULL; |
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char *ssl_comp = NULL; |
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char *ssl_protocol = NULL; |
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|
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char *default_document_root; |
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int default_document_root_size; |
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|
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char *default_type; |
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char *dirmaker; |
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char *cachedir; |
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|
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char *tempdir; |
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|
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char *cgi_path = NULL; |
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int single_post_limit = SINGLE_POST_LIMIT_DEFAULT; |
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|
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int ka_timeout; |
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int ka_max; |
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|
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/* These came from log.c */ |
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char *error_log_name; |
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char *access_log_name; |
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char *cgi_log_name; |
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|
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int use_localtime; |
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|
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/* These are new */ |
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static void c_set_user(char *v1, char* v2, char* v3, char* v4, void *t); |
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static void c_set_group(char *v1, char* v2, char* v3, char* v4, void *t); |
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static void c_set_string(char *v1, char* v2, char* v3, char* v4, void *t); |
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static void c_set_int(char *v1, char* v2, char* v3, char* v4, void *t); |
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static void c_set_unity(char *v1, char* v2, char* v3, char* v4, void *t); |
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static void c_add_type(char *v1, char* v2, char* v3, char* v4, void *t); |
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static void c_add_vhost(char *v1, char* v2, char* v3, char*v4, void *t); |
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static void c_add_alias(char *v1, char* v2, char* v3, char* v4, void *t); |
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static void c_add_dirindex(char *v1, char* v2, char* v3, char* v4, void *t); |
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static void c_add_hic_module(char *v1, char* v2, char* v3, char* v4, void *t); |
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|
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/* Fakery to keep the value passed to action() a void *, |
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see usage in table and c_add_alias() below */ |
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static int script_number = SCRIPTALIAS; |
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static int redirect_number = REDIRECT; |
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static int alias_number = ALIAS; |
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static uid_t current_uid=0; |
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|
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/* Help keep the table below compact */ |
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#define S0A STMT_NO_ARGS |
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#define S1A STMT_ONE_ARG |
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#define S2A STMT_TWO_ARGS |
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#define S3A STMT_THREE_ARGS |
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#define S4A STMT_FOUR_ARGS |
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|
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struct ccommand clist[] = { |
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{"SSLCiphers", S1A, c_set_string, &ssl_ciphers}, |
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{"SSLKeyExchangeAlgorithms", S1A, c_set_string, &ssl_kx}, |
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{"SSLMACAlgorithms", S1A, c_set_string, &ssl_mac}, |
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{"SSLProtocols", S1A, c_set_string, &ssl_protocol}, |
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{"SSLCompressionMethods", S1A, c_set_string, &ssl_comp}, |
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{"SSLCertificate", S1A, c_set_string, &server_cert}, |
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{"SSLKey", S1A, c_set_string, &server_key}, |
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{"SSLSessionCache", S1A, c_set_int, &ssl_session_cache}, |
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{"SSL", S1A, c_set_int, &boa_ssl}, |
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{"SSLPort", S1A, c_set_int, &ssl_port}, |
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{"SSLDHBits", S1A, c_set_int, &ssl_dh_bits}, |
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{"SSLSessionTimeout", S1A, c_set_int, &ssl_session_timeout}, |
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{"SSLParamsRefresh", S1A, c_set_int, &ssl_params_refresh}, |
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{"Threads", S1A, c_set_int, &server_max_threads}, |
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{"Port", S1A, c_set_int, &server_port}, |
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{"Listen", S1A, c_set_string, &server_ip}, |
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{"BackLog", S1A, c_set_int, &backlog}, |
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{"User", S1A, c_set_user, NULL}, |
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{"Group", S1A, c_set_group, NULL}, |
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{"ServerAdmin", S1A, c_set_string, &server_admin}, |
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{"ServerRoot", S1A, c_set_string, &server_root}, |
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{"ErrorLog", S1A, c_set_string, &error_log_name}, |
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{"AccessLog", S1A, c_set_string, &access_log_name}, |
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{"UseLocaltime", S0A, c_set_unity, &use_localtime}, |
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{"CgiLog", S1A, c_set_string, &cgi_log_name}, |
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{"VerboseCGILogs", S0A, c_set_unity, &verbose_cgi_logs}, |
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{"ServerName", S1A, c_set_string, &server_name}, |
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{"DocumentRoot", S1A, c_set_string, &default_document_root}, |
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{"DirectoryIndex", S1A, c_add_dirindex, NULL}, |
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{"DirectoryMaker", S1A, c_set_string, &dirmaker}, |
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{"DirectoryCache", S1A, c_set_string, &cachedir}, |
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{"KeepAliveMax", S1A, c_set_int, &ka_max}, |
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{"KeepAliveTimeout", S1A, c_set_int, &ka_timeout}, |
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{"MimeTypes", S1A, c_set_string, &mime_types}, |
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{"DefaultType", S1A, c_set_string, &default_type}, |
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{"AddType", S2A, c_add_type, NULL}, |
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{"HICModule", S3A, c_add_hic_module, NULL}, |
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{"ScriptAlias", S3A, c_add_alias, &script_number}, |
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{"Redirect", S3A, c_add_alias, &redirect_number}, |
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{"Alias", S3A, c_add_alias, &alias_number}, |
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/* HOST - IP - DOCUMENT_ROOT - USER_DIR */ |
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{"VirtualHost", S4A, c_add_vhost, NULL}, |
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{"SinglePostLimit", S1A, c_set_int, &single_post_limit}, |
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{"CGIPath", S1A, c_set_string, &cgi_path}, |
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{"MaxConnections", S1A, c_set_int, &max_connections}, |
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{"MaxFilesCache", S1A, c_set_int, &max_files_cache}, |
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{"MaxFileSizeCache", S1A, c_set_int, &max_file_size_cache}, |
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}; |
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|
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static void c_set_user(char *v1, char* v2, char* v3, char* v4, void *t) |
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{ |
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struct passwd *passwdbuf; |
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char *endptr; |
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int i; |
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|
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DBG(printf("User %s = ", v1); |
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) |
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i = strtol(v1, &endptr, 0); |
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if (*v1 != '\0' && *endptr == '\0') { |
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server_uid = i; |
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} else { |
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passwdbuf = getpwnam(v1); |
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if (!passwdbuf) { |
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if (current_uid) |
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return; |
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fprintf(stderr, "No such user: %s\n", v1); |
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exit(1); |
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} |
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server_uid = passwdbuf->pw_uid; |
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} |
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DBG(printf("%d\n", server_uid); |
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) |
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} |
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|
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static void c_set_group(char *v1, char* v2, char* v3, char* v4, void *t) |
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{ |
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struct group *groupbuf; |
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char *endptr; |
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int i; |
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DBG(printf("Group %s = ", v1); |
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) |
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i = strtol(v1, &endptr, 0); |
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if (*v1 != '\0' && *endptr == '\0') { |
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server_gid = i; |
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} else { |
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groupbuf = getgrnam(v1); |
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if (!groupbuf) { |
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if (current_uid) |
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return; |
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fprintf(stderr, "No such group: %s\n", v1); |
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exit(1); |
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} |
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server_gid = groupbuf->gr_gid; |
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} |
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DBG(printf("%d\n", server_gid); |
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) |
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} |
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|
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static void c_set_string(char *v1, char* v2, char* v3, char* v4, void *t) |
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{ |
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char *s; |
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DBG(printf("Setting pointer %p to string %s ..", t, v1); |
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) |
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if (t) { |
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s = *(char **) t; |
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if (s) |
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free(s); |
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*(char **) t = strdup(v1); |
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if (!*(char **) t) { |
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DIE("Unable to strdup in c_set_string"); |
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} |
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DBG(printf("done.\n"); |
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) |
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} else { |
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DBG(printf("skipped.\n"); |
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) |
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} |
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} |
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|
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static void c_set_int(char *v1, char* v2, char* v3, char* v4, void *t) |
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{ |
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char *endptr; |
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int i; |
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DBG(printf("Setting pointer %p to integer string %s ..", t, v1); |
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) |
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if (t) { |
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i = strtol(v1, &endptr, 0); /* Automatic base 10/16/8 switching */ |
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if (*v1 != '\0' && *endptr == '\0') { |
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*(int *) t = i; |
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DBG(printf(" Integer converted as %d, done\n", i); |
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) |
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} else { |
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/* XXX should tell line number to user */ |
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fprintf(stderr, "Error: %s found where integer expected\n", |
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v1); |
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} |
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} else { |
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DBG(printf("skipped.\n"); |
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) |
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} |
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} |
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|
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static void c_set_unity(char *v1, char* v2, char* v3, char* v4, void *t) |
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{ |
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DBG(printf("Setting pointer %p to unity\n", t); |
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) |
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if (t) |
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*(int *) t = 1; |
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} |
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|
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static void c_add_type(char *v1, char* v2, char* v3, char* v4, void *t) |
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{ |
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add_mime_type(v1, v2); |
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} |
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|
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static void c_add_hic_module(char *v1, char* v2, char* v3, char* v4, void *t) |
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{ |
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add_hic_module(v1, v2, v3); |
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} |
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|
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static void c_add_dirindex(char *v1, char* v2, char* v3, char* v4, void *t) |
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{ |
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add_directory_index(v1); |
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} |
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|
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static void c_add_vhost(char *v1, char *v2, char* v3, char* v4, void *t) |
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{ |
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add_virthost(v1, v2, v3, v4); |
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} |
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|
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|
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static void c_add_alias(char *v1, char *v2, char* v3, char* v4, void *t) |
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{ |
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add_alias(v1, v3, v2, *(int *) t); |
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} |
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|
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struct ccommand *lookup_keyword(char *c) |
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{ |
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struct ccommand *p; |
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DBG(printf("Checking string '%s' against keyword list\n", c); |
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) |
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for (p = clist; |
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p < clist + (sizeof (clist) / sizeof (struct ccommand)); p++) { |
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if (strcmp(c, p->name) == 0) |
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return p; |
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} |
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return NULL; |
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} |
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|
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/* |
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* Name: read_config_files |
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* |
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* Description: Reads config files via yyparse, then makes sure that |
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* all required variables were set properly. |
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*/ |
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void read_config_files(void) |
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{ |
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char *temp; |
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current_uid = getuid(); |
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yyin = fopen("hydra.conf", "r"); |
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|
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if (!yyin) { |
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fputs("Could not open hydra.conf for reading.\n", stderr); |
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exit(1); |
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} |
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if (yyparse()) { |
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fputs("Error parsing config files, exiting\n", stderr); |
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exit(1); |
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} |
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|
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if (!server_name) { |
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struct hostent *he; |
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char temp_name[100]; |
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|
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if (gethostname(temp_name, 100) == -1) { |
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perror("gethostname:"); |
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exit(1); |
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} |
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|
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he = gethostbyname(temp_name); |
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if (he == NULL) { |
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perror("gethostbyname:"); |
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exit(1); |
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} |
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|
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server_name = strdup(he->h_name); |
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if (server_name == NULL) { |
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perror("strdup:"); |
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exit(1); |
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} |
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} |
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tempdir = getenv("TMP"); |
| 345 |
if (tempdir == NULL) |
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tempdir = "/tmp"; |
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|
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if (single_post_limit < 0) { |
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fprintf(stderr, "Invalid value for single_post_limit: %d\n", |
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single_post_limit); |
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exit(1); |
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} |
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|
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if (default_document_root) { |
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temp = normalize_path(default_document_root); |
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free(default_document_root); |
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default_document_root = temp; |
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default_document_root_size = strlen( default_document_root); |
| 359 |
if ( default_document_root_size > MAX_PATH_LENGTH) { |
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log_error_time(); |
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fprintf(stderr, "DocumentRoot size is too long\n"); |
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exit(1); |
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} |
| 364 |
} else default_document_root_size = 0; |
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|
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if (error_log_name) { |
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temp = normalize_path(error_log_name); |
| 368 |
free(error_log_name); |
| 369 |
error_log_name = temp; |
| 370 |
} |
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|
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if (access_log_name) { |
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temp = normalize_path(access_log_name); |
| 374 |
free(access_log_name); |
| 375 |
access_log_name = temp; |
| 376 |
} |
| 377 |
|
| 378 |
if (cgi_log_name) { |
| 379 |
temp = normalize_path(cgi_log_name); |
| 380 |
free(cgi_log_name); |
| 381 |
cgi_log_name = temp; |
| 382 |
} |
| 383 |
|
| 384 |
if (dirmaker) { |
| 385 |
temp = normalize_path(dirmaker); |
| 386 |
free(dirmaker); |
| 387 |
dirmaker = temp; |
| 388 |
} |
| 389 |
|
| 390 |
#if 0 |
| 391 |
if (mime_types) { |
| 392 |
temp = normalize_path(mime_types); |
| 393 |
free(mime_types); |
| 394 |
mime_types = temp; |
| 395 |
} |
| 396 |
#endif |
| 397 |
} |
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