#include "server.h" #include "log.h" #include "stream.h" #include "plugin.h" #include "configparser.h" #include "configfile.h" #include "proc_open.h" #include #include #include #include #include #include #include #include #include #include static int config_insert(server *srv) { size_t i; int ret = 0; buffer *stat_cache_string; config_values_t cv[] = { { "server.bind", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 0 */ { "server.errorlog", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 1 */ { "server.errorfile-prefix", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 2 */ { "server.chroot", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 3 */ { "server.username", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 4 */ { "server.groupname", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 5 */ { "server.port", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 6 */ { "server.tag", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 7 */ { "server.use-ipv6", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 8 */ { "server.modules", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_SERVER }, /* 9 */ { "server.event-handler", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 10 */ { "server.pid-file", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 11 */ { "server.max-request-size", NULL, T_CONFIG_INT, T_CONFIG_SCOPE_CONNECTION }, /* 12 */ { "server.max-worker", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 13 */ { "server.document-root", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 14 */ { "server.force-lowercase-filenames", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER },/* 15 */ { "debug.log-condition-handling", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 16 */ { "server.max-keep-alive-requests", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION },/* 17 */ { "server.name", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 18 */ { "server.max-keep-alive-idle", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 19 */ { "server.max-read-idle", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 20 */ { "server.max-write-idle", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 21 */ { "server.error-handler-404", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 22 */ { "server.max-fds", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 23 */ #ifdef HAVE_LSTAT { "server.follow-symlink", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 24 */ #else { "server.follow-symlink", "Your system lacks lstat(). We can not differ symlinks from files." "Please remove server.follow-symlinks from your config.", T_CONFIG_UNSUPPORTED, T_CONFIG_SCOPE_UNSET }, /* 24 */ #endif { "server.kbytes-per-second", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 25 */ { "connection.kbytes-per-second", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 26 */ { "mimetype.use-xattr", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 27 */ { "mimetype.assign", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 28 */ { "ssl.pemfile", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 29 */ { "ssl.engine", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 30 */ { "debug.log-file-not-found", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 31 */ { "debug.log-request-handling", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 32 */ { "debug.log-response-header", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 33 */ { "debug.log-request-header", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 34 */ { "debug.log-ssl-noise", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 35 */ { "server.protocol-http11", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 36 */ { "debug.log-request-header-on-error", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 37 */ { "debug.log-state-handling", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 38 */ { "ssl.ca-file", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 39 */ { "server.errorlog-use-syslog", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 40 */ { "server.range-requests", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 41 */ { "server.stat-cache-engine", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 42 */ { "server.max-connections", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 43 */ { "server.network-backend", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 44 */ { "server.upload-dirs", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 45 */ { "server.core-files", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 46 */ { "ssl.cipher-list", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 47 */ { "ssl.use-sslv2", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 48 */ { "etag.use-inode", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 49 */ { "etag.use-mtime", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 50 */ { "etag.use-size", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 51 */ { "server.reject-expect-100-with-417", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 52 */ { "debug.log-timeouts", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 53 */ { "server.defer-accept", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 54 */ { "server.breakagelog", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 55 */ { "ssl.verifyclient.activate", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 56 */ { "ssl.verifyclient.enforce", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 57 */ { "ssl.verifyclient.depth", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 58 */ { "ssl.verifyclient.username", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 59 */ { "ssl.verifyclient.exportcert", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 60 */ { "server.set-v6only", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 61 */ { "ssl.use-sslv3", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 62 */ { "ssl.dh-file", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 63 */ { "ssl.ec-curve", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 64 */ { "ssl.disable-client-renegotiation", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER },/* 65 */ { "ssl.honor-cipher-order", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 66 */ { "server.host", "use server.bind instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { "server.docroot", "use server.document-root instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { "server.virtual-root", "load mod_simple_vhost and use simple-vhost.server-root instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { "server.virtual-default-host", "load mod_simple_vhost and use simple-vhost.default-host instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { "server.virtual-docroot", "load mod_simple_vhost and use simple-vhost.document-root instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { "server.userid", "use server.username instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { "server.groupid", "use server.groupname instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { "server.use-keep-alive", "use server.max-keep-alive-requests = 0 instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { "server.force-lower-case-files", "use server.force-lowercase-filenames instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET }, { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET } }; /* 0 */ cv[0].destination = srv->srvconf.bindhost; cv[1].destination = srv->srvconf.errorlog_file; cv[3].destination = srv->srvconf.changeroot; cv[4].destination = srv->srvconf.username; cv[5].destination = srv->srvconf.groupname; cv[6].destination = &(srv->srvconf.port); cv[9].destination = srv->srvconf.modules; cv[10].destination = srv->srvconf.event_handler; cv[11].destination = srv->srvconf.pid_file; cv[13].destination = &(srv->srvconf.max_worker); cv[23].destination = &(srv->srvconf.max_fds); cv[37].destination = &(srv->srvconf.log_request_header_on_error); cv[38].destination = &(srv->srvconf.log_state_handling); cv[40].destination = &(srv->srvconf.errorlog_use_syslog); stat_cache_string = buffer_init(); cv[42].destination = stat_cache_string; cv[44].destination = srv->srvconf.network_backend; cv[45].destination = srv->srvconf.upload_tempdirs; cv[46].destination = &(srv->srvconf.enable_cores); cv[43].destination = &(srv->srvconf.max_conns); cv[12].destination = &(srv->srvconf.max_request_size); cv[52].destination = &(srv->srvconf.reject_expect_100_with_417); cv[55].destination = srv->srvconf.breakagelog_file; srv->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *)); assert(srv->config_storage); for (i = 0; i < srv->config_context->used; i++) { specific_config *s; s = calloc(1, sizeof(specific_config)); assert(s); s->document_root = buffer_init(); s->mimetypes = array_init(); s->server_name = buffer_init(); s->ssl_pemfile = buffer_init(); s->ssl_ca_file = buffer_init(); s->error_handler = buffer_init(); s->server_tag = buffer_init(); s->ssl_cipher_list = buffer_init(); s->ssl_dh_file = buffer_init(); s->ssl_ec_curve = buffer_init(); s->errorfile_prefix = buffer_init(); s->max_keep_alive_requests = 16; s->max_keep_alive_idle = 5; s->max_read_idle = 60; s->max_write_idle = 360; s->use_xattr = 0; s->is_ssl = 0; s->ssl_honor_cipher_order = 1; s->ssl_use_sslv2 = 0; s->ssl_use_sslv3 = 1; s->use_ipv6 = 0; s->set_v6only = 1; s->defer_accept = 0; #ifdef HAVE_LSTAT s->follow_symlink = 1; #endif s->kbytes_per_second = 0; s->allow_http11 = 1; s->etag_use_inode = 1; s->etag_use_mtime = 1; s->etag_use_size = 1; s->range_requests = 1; s->force_lowercase_filenames = (i == 0) ? 2 : 0; /* we wan't to detect later if user changed this for global section */ s->global_kbytes_per_second = 0; s->global_bytes_per_second_cnt = 0; s->global_bytes_per_second_cnt_ptr = &s->global_bytes_per_second_cnt; s->ssl_verifyclient = 0; s->ssl_verifyclient_enforce = 1; s->ssl_verifyclient_username = buffer_init(); s->ssl_verifyclient_depth = 9; s->ssl_verifyclient_export_cert = 0; s->ssl_disable_client_renegotiation = 1; cv[2].destination = s->errorfile_prefix; cv[7].destination = s->server_tag; cv[8].destination = &(s->use_ipv6); cv[61].destination = &(s->set_v6only); cv[54].destination = &(s->defer_accept); /* 13 max-worker */ cv[14].destination = s->document_root; cv[15].destination = &(s->force_lowercase_filenames); cv[16].destination = &(s->log_condition_handling); cv[17].destination = &(s->max_keep_alive_requests); cv[18].destination = s->server_name; cv[19].destination = &(s->max_keep_alive_idle); cv[20].destination = &(s->max_read_idle); cv[21].destination = &(s->max_write_idle); cv[22].destination = s->error_handler; #ifdef HAVE_LSTAT cv[24].destination = &(s->follow_symlink); #endif /* 23 -> max-fds */ cv[25].destination = &(s->global_kbytes_per_second); cv[26].destination = &(s->kbytes_per_second); cv[27].destination = &(s->use_xattr); cv[28].destination = s->mimetypes; cv[29].destination = s->ssl_pemfile; cv[30].destination = &(s->is_ssl); cv[31].destination = &(s->log_file_not_found); cv[32].destination = &(s->log_request_handling); cv[33].destination = &(s->log_response_header); cv[34].destination = &(s->log_request_header); cv[35].destination = &(s->log_ssl_noise); cv[53].destination = &(s->log_timeouts); cv[36].destination = &(s->allow_http11); cv[39].destination = s->ssl_ca_file; cv[41].destination = &(s->range_requests); cv[47].destination = s->ssl_cipher_list; cv[48].destination = &(s->ssl_use_sslv2); cv[62].destination = &(s->ssl_use_sslv3); cv[63].destination = s->ssl_dh_file; cv[64].destination = s->ssl_ec_curve; cv[66].destination = &(s->ssl_honor_cipher_order); cv[49].destination = &(s->etag_use_inode); cv[50].destination = &(s->etag_use_mtime); cv[51].destination = &(s->etag_use_size); /* ssl.verify */ cv[56].destination = &(s->ssl_verifyclient); cv[57].destination = &(s->ssl_verifyclient_enforce); cv[58].destination = &(s->ssl_verifyclient_depth); cv[59].destination = s->ssl_verifyclient_username; cv[60].destination = &(s->ssl_verifyclient_export_cert); cv[65].destination = &(s->ssl_disable_client_renegotiation); srv->config_storage[i] = s; if (0 != (ret = config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv))) { break; } } if (buffer_is_empty(stat_cache_string)) { srv->srvconf.stat_cache_engine = STAT_CACHE_ENGINE_SIMPLE; } else if (buffer_is_equal_string(stat_cache_string, CONST_STR_LEN("simple"))) { srv->srvconf.stat_cache_engine = STAT_CACHE_ENGINE_SIMPLE; #ifdef HAVE_FAM_H } else if (buffer_is_equal_string(stat_cache_string, CONST_STR_LEN("fam"))) { srv->srvconf.stat_cache_engine = STAT_CACHE_ENGINE_FAM; #endif } else if (buffer_is_equal_string(stat_cache_string, CONST_STR_LEN("disable"))) { srv->srvconf.stat_cache_engine = STAT_CACHE_ENGINE_NONE; } else { log_error_write(srv, __FILE__, __LINE__, "sb", "server.stat-cache-engine can be one of \"disable\", \"simple\"," #ifdef HAVE_FAM_H " \"fam\"," #endif " but not:", stat_cache_string); ret = HANDLER_ERROR; } buffer_free(stat_cache_string); return ret; } #define PATCH(x) con->conf.x = s->x int config_setup_connection(server *srv, connection *con) { specific_config *s = srv->config_storage[0]; PATCH(allow_http11); PATCH(mimetypes); PATCH(document_root); PATCH(max_keep_alive_requests); PATCH(max_keep_alive_idle); PATCH(max_read_idle); PATCH(max_write_idle); PATCH(use_xattr); PATCH(error_handler); PATCH(errorfile_prefix); #ifdef HAVE_LSTAT PATCH(follow_symlink); #endif PATCH(server_tag); PATCH(kbytes_per_second); PATCH(global_kbytes_per_second); PATCH(global_bytes_per_second_cnt); con->conf.global_bytes_per_second_cnt_ptr = &s->global_bytes_per_second_cnt; buffer_copy_string_buffer(con->server_name, s->server_name); PATCH(log_request_header); PATCH(log_response_header); PATCH(log_request_handling); PATCH(log_condition_handling); PATCH(log_file_not_found); PATCH(log_ssl_noise); PATCH(log_timeouts); PATCH(range_requests); PATCH(force_lowercase_filenames); PATCH(is_ssl); PATCH(ssl_pemfile); #ifdef USE_OPENSSL PATCH(ssl_ctx); #endif PATCH(ssl_ca_file); PATCH(ssl_cipher_list); PATCH(ssl_dh_file); PATCH(ssl_ec_curve); PATCH(ssl_honor_cipher_order); PATCH(ssl_use_sslv2); PATCH(ssl_use_sslv3); PATCH(etag_use_inode); PATCH(etag_use_mtime); PATCH(etag_use_size); PATCH(ssl_verifyclient); PATCH(ssl_verifyclient_enforce); PATCH(ssl_verifyclient_depth); PATCH(ssl_verifyclient_username); PATCH(ssl_verifyclient_export_cert); PATCH(ssl_disable_client_renegotiation); return 0; } int config_patch_connection(server *srv, connection *con, comp_key_t comp) { size_t i, j; con->conditional_is_valid[comp] = 1; /* skip the first, the global context */ for (i = 1; i < srv->config_context->used; i++) { data_config *dc = (data_config *)srv->config_context->data[i]; specific_config *s = srv->config_storage[i]; /* condition didn't match */ if (!config_check_cond(srv, con, dc)) continue; /* merge config */ for (j = 0; j < dc->value->used; j++) { data_unset *du = dc->value->data[j]; if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.document-root"))) { PATCH(document_root); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.range-requests"))) { PATCH(range_requests); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.error-handler-404"))) { PATCH(error_handler); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.errorfile-prefix"))) { PATCH(errorfile_prefix); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("mimetype.assign"))) { PATCH(mimetypes); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.max-keep-alive-requests"))) { PATCH(max_keep_alive_requests); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.max-keep-alive-idle"))) { PATCH(max_keep_alive_idle); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.max-write-idle"))) { PATCH(max_write_idle); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.max-read-idle"))) { PATCH(max_read_idle); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("mimetype.use-xattr"))) { PATCH(use_xattr); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("etag.use-inode"))) { PATCH(etag_use_inode); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("etag.use-mtime"))) { PATCH(etag_use_mtime); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("etag.use-size"))) { PATCH(etag_use_size); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.pemfile"))) { PATCH(ssl_pemfile); #ifdef USE_OPENSSL PATCH(ssl_ctx); #endif } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.ca-file"))) { PATCH(ssl_ca_file); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.honor-cipher-order"))) { PATCH(ssl_honor_cipher_order); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.use-sslv2"))) { PATCH(ssl_use_sslv2); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.use-sslv3"))) { PATCH(ssl_use_sslv3); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.cipher-list"))) { PATCH(ssl_cipher_list); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.engine"))) { PATCH(is_ssl); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.dh-file"))) { PATCH(ssl_dh_file); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.ec-curve"))) { PATCH(ssl_ec_curve); #ifdef HAVE_LSTAT } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.follow-symlink"))) { PATCH(follow_symlink); #endif } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.name"))) { buffer_copy_string_buffer(con->server_name, s->server_name); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.tag"))) { PATCH(server_tag); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("connection.kbytes-per-second"))) { PATCH(kbytes_per_second); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-request-handling"))) { PATCH(log_request_handling); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-request-header"))) { PATCH(log_request_header); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-response-header"))) { PATCH(log_response_header); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-condition-handling"))) { PATCH(log_condition_handling); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-file-not-found"))) { PATCH(log_file_not_found); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-ssl-noise"))) { PATCH(log_ssl_noise); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-timeouts"))) { PATCH(log_timeouts); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.protocol-http11"))) { PATCH(allow_http11); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.force-lowercase-filenames"))) { PATCH(force_lowercase_filenames); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.kbytes-per-second"))) { PATCH(global_kbytes_per_second); PATCH(global_bytes_per_second_cnt); con->conf.global_bytes_per_second_cnt_ptr = &s->global_bytes_per_second_cnt; } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.activate"))) { PATCH(ssl_verifyclient); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.enforce"))) { PATCH(ssl_verifyclient_enforce); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.depth"))) { PATCH(ssl_verifyclient_depth); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.username"))) { PATCH(ssl_verifyclient_username); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.exportcert"))) { PATCH(ssl_verifyclient_export_cert); } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.disable-client-renegotiation"))) { PATCH(ssl_disable_client_renegotiation); } } } con->etag_flags = (con->conf.etag_use_mtime ? ETAG_USE_MTIME : 0) | (con->conf.etag_use_inode ? ETAG_USE_INODE : 0) | (con->conf.etag_use_size ? ETAG_USE_SIZE : 0); return 0; } #undef PATCH typedef struct { int foo; int bar; const buffer *source; const char *input; size_t offset; size_t size; int line_pos; int line; int in_key; int in_brace; int in_cond; } tokenizer_t; #if 0 static int tokenizer_open(server *srv, tokenizer_t *t, buffer *basedir, const char *fn) { if (buffer_is_empty(basedir) || (fn[0] == '/' || fn[0] == '\\') || (fn[0] == '.' && (fn[1] == '/' || fn[1] == '\\'))) { t->file = buffer_init_string(fn); } else { t->file = buffer_init_buffer(basedir); buffer_append_string(t->file, fn); } if (0 != stream_open(&(t->s), t->file)) { log_error_write(srv, __FILE__, __LINE__, "sbss", "opening configfile ", t->file, "failed:", strerror(errno)); buffer_free(t->file); return -1; } t->input = t->s.start; t->offset = 0; t->size = t->s.size; t->line = 1; t->line_pos = 1; t->in_key = 1; t->in_brace = 0; t->in_cond = 0; return 0; } static int tokenizer_close(server *srv, tokenizer_t *t) { UNUSED(srv); buffer_free(t->file); return stream_close(&(t->s)); } #endif static int config_skip_newline(tokenizer_t *t) { int skipped = 1; assert(t->input[t->offset] == '\r' || t->input[t->offset] == '\n'); if (t->input[t->offset] == '\r' && t->input[t->offset + 1] == '\n') { skipped ++; t->offset ++; } t->offset ++; return skipped; } static int config_skip_comment(tokenizer_t *t) { int i; assert(t->input[t->offset] == '#'); for (i = 1; t->input[t->offset + i] && (t->input[t->offset + i] != '\n' && t->input[t->offset + i] != '\r'); i++); t->offset += i; return i; } static int config_tokenizer(server *srv, tokenizer_t *t, int *token_id, buffer *token) { int tid = 0; size_t i; for (tid = 0; tid == 0 && t->offset < t->size && t->input[t->offset] ; ) { char c = t->input[t->offset]; const char *start = NULL; switch (c) { case '=': if (t->in_brace) { if (t->input[t->offset + 1] == '>') { t->offset += 2; buffer_copy_string_len(token, CONST_STR_LEN("=>")); tid = TK_ARRAY_ASSIGN; } else { log_error_write(srv, __FILE__, __LINE__, "sbsdsds", "source:", t->source, "line:", t->line, "pos:", t->line_pos, "use => for assignments in arrays"); return -1; } } else if (t->in_cond) { if (t->input[t->offset + 1] == '=') { t->offset += 2; buffer_copy_string_len(token, CONST_STR_LEN("==")); tid = TK_EQ; } else if (t->input[t->offset + 1] == '~') { t->offset += 2; buffer_copy_string_len(token, CONST_STR_LEN("=~")); tid = TK_MATCH; } else { log_error_write(srv, __FILE__, __LINE__, "sbsdsds", "source:", t->source, "line:", t->line, "pos:", t->line_pos, "only =~ and == are allowed in the condition"); return -1; } t->in_key = 1; t->in_cond = 0; } else if (t->in_key) { tid = TK_ASSIGN; buffer_copy_string_len(token, t->input + t->offset, 1); t->offset++; t->line_pos++; } else { log_error_write(srv, __FILE__, __LINE__, "sbsdsds", "source:", t->source, "line:", t->line, "pos:", t->line_pos, "unexpected equal-sign: ="); return -1; } break; case '!': if (t->in_cond) { if (t->input[t->offset + 1] == '=') { t->offset += 2; buffer_copy_string_len(token, CONST_STR_LEN("!=")); tid = TK_NE; } else if (t->input[t->offset + 1] == '~') { t->offset += 2; buffer_copy_string_len(token, CONST_STR_LEN("!~")); tid = TK_NOMATCH; } else { log_error_write(srv, __FILE__, __LINE__, "sbsdsds", "source:", t->source, "line:", t->line, "pos:", t->line_pos, "only !~ and != are allowed in the condition"); return -1; } t->in_key = 1; t->in_cond = 0; } else { log_error_write(srv, __FILE__, __LINE__, "sbsdsds", "source:", t->source, "line:", t->line, "pos:", t->line_pos, "unexpected exclamation-marks: !"); return -1; } break; case '\t': case ' ': t->offset++; t->line_pos++; break; case '\n': case '\r': if (t->in_brace == 0) { int done = 0; while (!done && t->offset < t->size) { switch (t->input[t->offset]) { case '\r': case '\n': config_skip_newline(t); t->line_pos = 1; t->line++; break; case '#': t->line_pos += config_skip_comment(t); break; case '\t': case ' ': t->offset++; t->line_pos++; break; default: done = 1; } } t->in_key = 1; tid = TK_EOL; buffer_copy_string_len(token, CONST_STR_LEN("(EOL)")); } else { config_skip_newline(t); t->line_pos = 1; t->line++; } break; case ',': if (t->in_brace > 0) { tid = TK_COMMA; buffer_copy_string_len(token, CONST_STR_LEN("(COMMA)")); } t->offset++; t->line_pos++; break; case '"': /* search for the terminating " */ start = t->input + t->offset + 1; buffer_copy_string_len(token, CONST_STR_LEN("")); for (i = 1; t->input[t->offset + i]; i++) { if (t->input[t->offset + i] == '\\' && t->input[t->offset + i + 1] == '"') { buffer_append_string_len(token, start, t->input + t->offset + i - start); start = t->input + t->offset + i + 1; /* skip the " */ i++; continue; } if (t->input[t->offset + i] == '"') { tid = TK_STRING; buffer_append_string_len(token, start, t->input + t->offset + i - start); break; } } if (t->input[t->offset + i] == '\0') { /* ERROR */ log_error_write(srv, __FILE__, __LINE__, "sbsdsds", "source:", t->source, "line:", t->line, "pos:", t->line_pos, "missing closing quote"); return -1; } t->offset += i + 1; t->line_pos += i + 1; break; case '(': t->offset++; t->in_brace++; tid = TK_LPARAN; buffer_copy_string_len(token, CONST_STR_LEN("(")); break; case ')': t->offset++; t->in_brace--; tid = TK_RPARAN; buffer_copy_string_len(token, CONST_STR_LEN(")")); break; case '$': t->offset++; tid = TK_DOLLAR; t->in_cond = 1; t->in_key = 0; buffer_copy_string_len(token, CONST_STR_LEN("$")); break; case '+': if (t->input[t->offset + 1] == '=') { t->offset += 2; buffer_copy_string_len(token, CONST_STR_LEN("+=")); tid = TK_APPEND; } else { t->offset++; tid = TK_PLUS; buffer_copy_string_len(token, CONST_STR_LEN("+")); } break; case '{': t->offset++; tid = TK_LCURLY; buffer_copy_string_len(token, CONST_STR_LEN("{")); break; case '}': t->offset++; tid = TK_RCURLY; buffer_copy_string_len(token, CONST_STR_LEN("}")); break; case '[': t->offset++; tid = TK_LBRACKET; buffer_copy_string_len(token, CONST_STR_LEN("[")); break; case ']': t->offset++; tid = TK_RBRACKET; buffer_copy_string_len(token, CONST_STR_LEN("]")); break; case '#': t->line_pos += config_skip_comment(t); break; default: if (t->in_cond) { for (i = 0; t->input[t->offset + i] && (isalpha((unsigned char)t->input[t->offset + i]) ); i++); if (i && t->input[t->offset + i]) { tid = TK_SRVVARNAME; buffer_copy_string_len(token, t->input + t->offset, i); t->offset += i; t->line_pos += i; } else { /* ERROR */ log_error_write(srv, __FILE__, __LINE__, "sbsdsds", "source:", t->source, "line:", t->line, "pos:", t->line_pos, "invalid character in condition"); return -1; } } else if (isdigit((unsigned char)c)) { /* take all digits */ for (i = 0; t->input[t->offset + i] && isdigit((unsigned char)t->input[t->offset + i]); i++); /* was there it least a digit ? */ if (i) { tid = TK_INTEGER; buffer_copy_string_len(token, t->input + t->offset, i); t->offset += i; t->line_pos += i; } } else { /* the key might consist of [-.0-9a-z] */ for (i = 0; t->input[t->offset + i] && (isalnum((unsigned char)t->input[t->offset + i]) || t->input[t->offset + i] == '.' || t->input[t->offset + i] == '_' || /* for env.* */ t->input[t->offset + i] == '-' ); i++); if (i && t->input[t->offset + i]) { buffer_copy_string_len(token, t->input + t->offset, i); if (strcmp(token->ptr, "include") == 0) { tid = TK_INCLUDE; } else if (strcmp(token->ptr, "include_shell") == 0) { tid = TK_INCLUDE_SHELL; } else if (strcmp(token->ptr, "global") == 0) { tid = TK_GLOBAL; } else if (strcmp(token->ptr, "else") == 0) { tid = TK_ELSE; } else { tid = TK_LKEY; } t->offset += i; t->line_pos += i; } else { /* ERROR */ log_error_write(srv, __FILE__, __LINE__, "sbsdsds", "source:", t->source, "line:", t->line, "pos:", t->line_pos, "invalid character in variable name"); return -1; } } break; } } if (tid) { *token_id = tid; #if 0 log_error_write(srv, __FILE__, __LINE__, "sbsdsdbdd", "source:", t->source, "line:", t->line, "pos:", t->line_pos, token, token->used - 1, tid); #endif return 1; } else if (t->offset < t->size) { fprintf(stderr, "%s.%d: %d, %s\n", __FILE__, __LINE__, tid, token->ptr); } return 0; } static int config_parse(server *srv, config_t *context, tokenizer_t *t) { void *pParser; int token_id; buffer *token, *lasttoken; int ret; pParser = configparserAlloc( malloc ); lasttoken = buffer_init(); token = buffer_init(); while((1 == (ret = config_tokenizer(srv, t, &token_id, token))) && context->ok) { buffer_copy_string_buffer(lasttoken, token); configparser(pParser, token_id, token, context); token = buffer_init(); } buffer_free(token); if (ret != -1 && context->ok) { /* add an EOL at EOF, better than say sorry */ configparser(pParser, TK_EOL, buffer_init_string("(EOL)"), context); if (context->ok) { configparser(pParser, 0, NULL, context); } } configparserFree(pParser, free); if (ret == -1) { log_error_write(srv, __FILE__, __LINE__, "sb", "configfile parser failed at:", lasttoken); } else if (context->ok == 0) { log_error_write(srv, __FILE__, __LINE__, "sbsdsdsb", "source:", t->source, "line:", t->line, "pos:", t->line_pos, "parser failed somehow near here:", lasttoken); ret = -1; } buffer_free(lasttoken); return ret == -1 ? -1 : 0; } static int tokenizer_init(tokenizer_t *t, const buffer *source, const char *input, size_t size) { t->source = source; t->input = input; t->size = size; t->offset = 0; t->line = 1; t->line_pos = 1; t->in_key = 1; t->in_brace = 0; t->in_cond = 0; return 0; } int config_parse_file(server *srv, config_t *context, const char *fn) { tokenizer_t t; stream s; int ret; buffer *filename; if (buffer_is_empty(context->basedir) || (fn[0] == '/' || fn[0] == '\\') || (fn[0] == '.' && (fn[1] == '/' || fn[1] == '\\'))) { filename = buffer_init_string(fn); } else { filename = buffer_init_buffer(context->basedir); buffer_append_string(filename, fn); } if (0 != stream_open(&s, filename)) { if (s.size == 0) { /* the file was empty, nothing to parse */ ret = 0; } else { log_error_write(srv, __FILE__, __LINE__, "sbss", "opening configfile ", filename, "failed:", strerror(errno)); ret = -1; } } else { tokenizer_init(&t, filename, s.start, s.size); ret = config_parse(srv, context, &t); } stream_close(&s); buffer_free(filename); return ret; } static char* getCWD() { char *s, *s1; size_t len; #ifdef PATH_MAX len = PATH_MAX; #else len = 4096; #endif s = malloc(len); if (!s) return NULL; while (NULL == getcwd(s, len)) { if (errno != ERANGE || SSIZE_MAX - len < len) return NULL; len *= 2; s1 = realloc(s, len); if (!s1) { free(s); return NULL; } s = s1; } return s; } int config_parse_cmd(server *srv, config_t *context, const char *cmd) { tokenizer_t t; int ret; buffer *source; buffer *out; char *oldpwd; if (NULL == (oldpwd = getCWD())) { log_error_write(srv, __FILE__, __LINE__, "s", "cannot get cwd", strerror(errno)); return -1; } source = buffer_init_string(cmd); out = buffer_init(); if (!buffer_is_empty(context->basedir)) { chdir(context->basedir->ptr); } if (0 != proc_open_buffer(cmd, NULL, out, NULL)) { log_error_write(srv, __FILE__, __LINE__, "sbss", "opening", source, "failed:", strerror(errno)); ret = -1; } else { tokenizer_init(&t, source, out->ptr, out->used); ret = config_parse(srv, context, &t); } buffer_free(source); buffer_free(out); chdir(oldpwd); free(oldpwd); return ret; } static void context_init(server *srv, config_t *context) { context->srv = srv; context->ok = 1; context->configs_stack = array_init(); context->configs_stack->is_weakref = 1; context->basedir = buffer_init(); } static void context_free(config_t *context) { array_free(context->configs_stack); buffer_free(context->basedir); } int config_read(server *srv, const char *fn) { config_t context; data_config *dc; data_integer *dpid; data_string *dcwd; int ret; char *pos; data_array *modules; context_init(srv, &context); context.all_configs = srv->config_context; #ifdef __WIN32 pos = strrchr(fn, '\\'); #else pos = strrchr(fn, '/'); #endif if (pos) { buffer_copy_string_len(context.basedir, fn, pos - fn + 1); fn = pos + 1; } dc = data_config_init(); buffer_copy_string_len(dc->key, CONST_STR_LEN("global")); assert(context.all_configs->used == 0); dc->context_ndx = context.all_configs->used; array_insert_unique(context.all_configs, (data_unset *)dc); context.current = dc; /* default context */ srv->config = dc->value; dpid = data_integer_init(); dpid->value = getpid(); buffer_copy_string_len(dpid->key, CONST_STR_LEN("var.PID")); array_insert_unique(srv->config, (data_unset *)dpid); dcwd = data_string_init(); buffer_prepare_copy(dcwd->value, 1024); if (NULL != getcwd(dcwd->value->ptr, dcwd->value->size - 1)) { dcwd->value->used = strlen(dcwd->value->ptr) + 1; buffer_copy_string_len(dcwd->key, CONST_STR_LEN("var.CWD")); array_insert_unique(srv->config, (data_unset *)dcwd); } ret = config_parse_file(srv, &context, fn); /* remains nothing if parser is ok */ assert(!(0 == ret && context.ok && 0 != context.configs_stack->used)); context_free(&context); if (0 != ret) { return ret; } if (NULL != (dc = (data_config *)array_get_element(srv->config_context, "global"))) { srv->config = dc->value; } else { return -1; } if (NULL != (modules = (data_array *)array_get_element(srv->config, "server.modules"))) { data_string *ds; data_array *prepends; if (modules->type != TYPE_ARRAY) { fprintf(stderr, "server.modules must be an array"); return -1; } prepends = data_array_init(); /* prepend default modules */ if (NULL == array_get_element(modules->value, "mod_indexfile")) { ds = data_string_init(); buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_indexfile")); array_insert_unique(prepends->value, (data_unset *)ds); } prepends = (data_array *)configparser_merge_data((data_unset *)prepends, (data_unset *)modules); buffer_copy_string_buffer(prepends->key, modules->key); array_replace(srv->config, (data_unset *)prepends); modules->free((data_unset *)modules); modules = prepends; /* append default modules */ if (NULL == array_get_element(modules->value, "mod_dirlisting")) { ds = data_string_init(); buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_dirlisting")); array_insert_unique(modules->value, (data_unset *)ds); } if (NULL == array_get_element(modules->value, "mod_staticfile")) { ds = data_string_init(); buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_staticfile")); array_insert_unique(modules->value, (data_unset *)ds); } } else { data_string *ds; modules = data_array_init(); /* server.modules is not set */ ds = data_string_init(); buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_indexfile")); array_insert_unique(modules->value, (data_unset *)ds); ds = data_string_init(); buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_dirlisting")); array_insert_unique(modules->value, (data_unset *)ds); ds = data_string_init(); buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_staticfile")); array_insert_unique(modules->value, (data_unset *)ds); buffer_copy_string_len(modules->key, CONST_STR_LEN("server.modules")); array_insert_unique(srv->config, (data_unset *)modules); } if (0 != config_insert(srv)) { return -1; } return 0; } int config_set_defaults(server *srv) { size_t i; specific_config *s = srv->config_storage[0]; struct stat st1, st2; struct ev_map { fdevent_handler_t et; const char *name; } event_handlers[] = { /* - epoll is most reliable * - select works everywhere */ #ifdef USE_LINUX_EPOLL { FDEVENT_HANDLER_LINUX_SYSEPOLL, "linux-sysepoll" }, #endif #ifdef USE_POLL { FDEVENT_HANDLER_POLL, "poll" }, #endif #ifdef USE_SELECT { FDEVENT_HANDLER_SELECT, "select" }, #endif #ifdef USE_LIBEV { FDEVENT_HANDLER_LIBEV, "libev" }, #endif #ifdef USE_SOLARIS_DEVPOLL { FDEVENT_HANDLER_SOLARIS_DEVPOLL,"solaris-devpoll" }, #endif #ifdef USE_SOLARIS_PORT { FDEVENT_HANDLER_SOLARIS_PORT, "solaris-eventports" }, #endif #ifdef USE_FREEBSD_KQUEUE { FDEVENT_HANDLER_FREEBSD_KQUEUE, "freebsd-kqueue" }, { FDEVENT_HANDLER_FREEBSD_KQUEUE, "kqueue" }, #endif { FDEVENT_HANDLER_UNSET, NULL } }; if (buffer_is_empty(s->document_root)) { log_error_write(srv, __FILE__, __LINE__, "s", "a default document-root has to be set"); return -1; } if (buffer_is_empty(srv->srvconf.changeroot)) { if (-1 == stat(s->document_root->ptr, &st1)) { log_error_write(srv, __FILE__, __LINE__, "sb", "base-docroot doesn't exist:", s->document_root); return -1; } } else { buffer_copy_string_buffer(srv->tmp_buf, srv->srvconf.changeroot); buffer_append_string_buffer(srv->tmp_buf, s->document_root); if (-1 == stat(srv->tmp_buf->ptr, &st1)) { log_error_write(srv, __FILE__, __LINE__, "sb", "base-docroot doesn't exist:", srv->tmp_buf); return -1; } } buffer_copy_string_buffer(srv->tmp_buf, s->document_root); buffer_to_lower(srv->tmp_buf); if (2 == s->force_lowercase_filenames) { /* user didn't configure it in global section? */ s->force_lowercase_filenames = 0; /* default to 0 */ if (0 == stat(srv->tmp_buf->ptr, &st1)) { int is_lower = 0; is_lower = buffer_is_equal(srv->tmp_buf, s->document_root); /* lower-case existed, check upper-case */ buffer_copy_string_buffer(srv->tmp_buf, s->document_root); buffer_to_upper(srv->tmp_buf); /* we have to handle the special case that upper and lower-casing results in the same filename * as in server.document-root = "/" or "/12345/" */ if (is_lower && buffer_is_equal(srv->tmp_buf, s->document_root)) { /* lower-casing and upper-casing didn't result in * an other filename, no need to stat(), * just assume it is case-sensitive. */ s->force_lowercase_filenames = 0; } else if (0 == stat(srv->tmp_buf->ptr, &st2)) { /* upper case exists too, doesn't the FS handle this ? */ /* upper and lower have the same inode -> case-insensitve FS */ if (st1.st_ino == st2.st_ino) { /* upper and lower have the same inode -> case-insensitve FS */ s->force_lowercase_filenames = 1; } } } } if (srv->srvconf.port == 0) { srv->srvconf.port = s->is_ssl ? 443 : 80; } if (srv->srvconf.event_handler->used == 0) { /* choose a good default * * the event_handler list is sorted by 'goodness' * taking the first available should be the best solution */ srv->event_handler = event_handlers[0].et; if (FDEVENT_HANDLER_UNSET == srv->event_handler) { log_error_write(srv, __FILE__, __LINE__, "s", "sorry, there is no event handler for this system"); return -1; } } else { /* * User override */ for (i = 0; event_handlers[i].name; i++) { if (0 == strcmp(event_handlers[i].name, srv->srvconf.event_handler->ptr)) { srv->event_handler = event_handlers[i].et; break; } } if (FDEVENT_HANDLER_UNSET == srv->event_handler) { log_error_write(srv, __FILE__, __LINE__, "sb", "the selected event-handler in unknown or not supported:", srv->srvconf.event_handler ); return -1; } } if (s->is_ssl) { if (buffer_is_empty(s->ssl_pemfile)) { /* PEM file is require */ log_error_write(srv, __FILE__, __LINE__, "s", "ssl.pemfile has to be set"); return -1; } #ifndef USE_OPENSSL log_error_write(srv, __FILE__, __LINE__, "s", "ssl support is missing, recompile with --with-openssl"); return -1; #endif } return 0; }