#include "first.h"
#include "server.h"
#include "log.h"
#include "stream.h"
#include "plugin.h"
#include "configparser.h"
#include "configfile.h"
#include "proc_open.h"
#include "request.h"
#include "version.h"
#include <sys/stat.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <limits.h>
#include <assert.h>
#include <glob.h>
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_CONNECTION }, /* 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_SERVER }, /* 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_CONNECTION }, /* 15 */
{ "debug.log-condition-handling", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 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", 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 },
#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_CONNECTION }, /* 29 */
{ "ssl.engine", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 30 */
{ "debug.log-file-not-found", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 31 */
{ "debug.log-request-handling", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 32 */
{ "debug.log-response-header", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 33 */
{ "debug.log-request-header", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 34 */
{ "debug.log-ssl-noise", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 35 */
{ "server.protocol-http11", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 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_CONNECTION }, /* 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_SERVER }, /* 42 */
{ "server.max-connections", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 43 */
{ "server.network-backend", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 44 */
{ "server.upload-dirs", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_SERVER }, /* 45 */
{ "server.core-files", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 46 */
{ "ssl.cipher-list", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 47 */
{ "ssl.use-sslv2", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 48 */
{ "etag.use-inode", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 49 */
{ "etag.use-mtime", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 50 */
{ "etag.use-size", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 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_CONNECTION }, /* 56 */
{ "ssl.verifyclient.enforce", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 57 */
{ "ssl.verifyclient.depth", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 58 */
{ "ssl.verifyclient.username", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 59 */
{ "ssl.verifyclient.exportcert", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 60 */
{ "server.set-v6only", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 61 */
{ "ssl.use-sslv3", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 62 */
{ "ssl.dh-file", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 63 */
{ "ssl.ec-curve", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 64 */
{ "ssl.disable-client-renegotiation", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 65 */
{ "ssl.honor-cipher-order", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 66 */
{ "ssl.empty-fragments", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 67 */
{ "server.upload-temp-file-size", NULL, T_CONFIG_INT, T_CONFIG_SCOPE_SERVER }, /* 68 */
{ "mimetype.xattr-name", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 69 */
{ "server.listen-backlog", NULL, T_CONFIG_INT, T_CONFIG_SCOPE_CONNECTION }, /* 70 */
{ "server.error-handler-404", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 71 */
{ "server.http-parseopt-header-strict",NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 72 */
{ "server.http-parseopt-host-strict", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 73 */
{ "server.http-parseopt-host-normalize",NULL,T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 74 */
{ "server.bsd-accept-filter", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 75 */
{ "server.stream-request-body", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 76 */
{ "server.stream-response-body", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 77 */
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
};
/* all T_CONFIG_SCOPE_SERVER options */
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[43].destination = &(srv->srvconf.max_conns);
cv[44].destination = srv->srvconf.network_backend;
cv[45].destination = srv->srvconf.upload_tempdirs;
cv[46].destination = &(srv->srvconf.enable_cores);
cv[52].destination = &(srv->srvconf.reject_expect_100_with_417);
cv[55].destination = srv->srvconf.breakagelog_file;
cv[68].destination = &(srv->srvconf.upload_temp_file_size);
cv[69].destination = srv->srvconf.xattr_name;
cv[72].destination = &(srv->srvconf.http_header_strict);
cv[73].destination = &(srv->srvconf.http_host_strict);
cv[74].destination = &(srv->srvconf.http_host_normalize);
srv->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));
force_assert(srv->config_storage);
for (i = 0; i < srv->config_context->used; i++) {
data_config const* config = (data_config const*)srv->config_context->data[i];
specific_config *s;
s = calloc(1, sizeof(specific_config));
force_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->error_handler_404 = buffer_init();
s->server_tag = buffer_init_string(PACKAGE_DESC);
s->ssl_cipher_list = buffer_init();
s->ssl_dh_file = buffer_init();
s->ssl_ec_curve = buffer_init();
s->errorfile_prefix = buffer_init();
#if defined(__FreeBSD__) || defined(__NetBSD__) \
|| defined(__OpenBSD__) || defined(__DragonflyBSD__)
s->bsd_accept_filter = (i == 0)
? buffer_init()
: buffer_init_buffer(srv->config_storage[0]->bsd_accept_filter);
#endif
s->max_keep_alive_requests = 16;
s->max_keep_alive_idle = 5;
s->max_read_idle = 60;
s->max_write_idle = 360;
s->max_request_size = 0;
s->use_xattr = 0;
s->ssl_enabled = 0;
s->ssl_honor_cipher_order = 1;
s->ssl_empty_fragments = 0;
s->ssl_use_sslv2 = 0;
s->ssl_use_sslv3 = 0;
s->use_ipv6 = (i == 0) ? 0 : srv->config_storage[0]->use_ipv6;
s->set_v6only = (i == 0) ? 1 : srv->config_storage[0]->set_v6only;
s->defer_accept = (i == 0) ? 0 : srv->config_storage[0]->defer_accept;
#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;
s->listen_backlog = (0 == i ? 1024 : srv->config_storage[0]->listen_backlog);
s->stream_request_body = 0;
s->stream_response_body = 0;
/* all T_CONFIG_SCOPE_CONNECTION options */
cv[2].destination = s->errorfile_prefix;
cv[7].destination = s->server_tag;
cv[8].destination = &(s->use_ipv6);
cv[12].destination = &(s->max_request_size);
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
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->ssl_enabled);
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[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[49].destination = &(s->etag_use_inode);
cv[50].destination = &(s->etag_use_mtime);
cv[51].destination = &(s->etag_use_size);
cv[53].destination = &(s->log_timeouts);
cv[54].destination = &(s->defer_accept);
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[61].destination = &(s->set_v6only);
cv[62].destination = &(s->ssl_use_sslv3);
cv[63].destination = s->ssl_dh_file;
cv[64].destination = s->ssl_ec_curve;
cv[65].destination = &(s->ssl_disable_client_renegotiation);
cv[66].destination = &(s->ssl_honor_cipher_order);
cv[67].destination = &(s->ssl_empty_fragments);
cv[70].destination = &(s->listen_backlog);
cv[71].destination = s->error_handler_404;
#if defined(__FreeBSD__) || defined(__NetBSD__) \
|| defined(__OpenBSD__) || defined(__DragonflyBSD__)
cv[75].destination = s->bsd_accept_filter;
#endif
cv[76].destination = &(s->stream_request_body);
cv[77].destination = &(s->stream_response_body);
srv->config_storage[i] = s;
if (0 != (ret = config_insert_values_global(srv, config->value, cv, i == 0 ? T_CONFIG_SCOPE_SERVER : T_CONFIG_SCOPE_CONNECTION))) {
break;
}
if (s->stream_request_body & FDEVENT_STREAM_REQUEST_BUFMIN) {
s->stream_request_body |= FDEVENT_STREAM_REQUEST;
}
if (s->stream_response_body & FDEVENT_STREAM_RESPONSE_BUFMIN) {
s->stream_response_body |= FDEVENT_STREAM_RESPONSE;
}
}
{
specific_config *s = srv->config_storage[0];
s->http_parseopts= /*(global, but stored in con->conf.http_parseopts)*/
(srv->srvconf.http_header_strict ?(HTTP_PARSEOPT_HEADER_STRICT) :0)
|(srv->srvconf.http_host_strict ?(HTTP_PARSEOPT_HOST_STRICT
|HTTP_PARSEOPT_HOST_NORMALIZE):0)
|(srv->srvconf.http_host_normalize ?(HTTP_PARSEOPT_HOST_NORMALIZE):0);
}
if (buffer_string_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);
{
data_string *ds;
int prepend_mod_indexfile = 1;
int append_mod_dirlisting = 1;
int append_mod_staticfile = 1;
/* prepend default modules */
for (i = 0; i < srv->srvconf.modules->used; i++) {
ds = (data_string *)srv->srvconf.modules->data[i];
if (buffer_is_equal_string(ds->value, CONST_STR_LEN("mod_indexfile"))) {
prepend_mod_indexfile = 0;
}
if (buffer_is_equal_string(ds->value, CONST_STR_LEN("mod_staticfile"))) {
append_mod_staticfile = 0;
}
if (buffer_is_equal_string(ds->value, CONST_STR_LEN("mod_dirlisting"))) {
append_mod_dirlisting = 0;
}
if (0 == prepend_mod_indexfile &&
0 == append_mod_dirlisting &&
0 == append_mod_staticfile) {
break;
}
}
if (prepend_mod_indexfile) {
/* mod_indexfile has to be loaded before mod_fastcgi and friends */
array *modules = array_init();
ds = data_string_init();
buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_indexfile"));
array_insert_unique(modules, (data_unset *)ds);
for (i = 0; i < srv->srvconf.modules->used; i++) {
data_unset *du = srv->srvconf.modules->data[i];
array_insert_unique(modules, du->copy(du));
}
array_free(srv->srvconf.modules);
srv->srvconf.modules = modules;
}
/* append default modules */
if (append_mod_dirlisting) {
ds = data_string_init();
buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_dirlisting"));
array_insert_unique(srv->srvconf.modules, (data_unset *)ds);
}
if (append_mod_staticfile) {
ds = data_string_init();
buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_staticfile"));
array_insert_unique(srv->srvconf.modules, (data_unset *)ds);
}
}
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(http_parseopts);
PATCH(allow_http11);
PATCH(mimetypes);
PATCH(document_root);
PATCH(high_precision_timestamps);
PATCH(max_keep_alive_requests);
PATCH(max_keep_alive_idle);
PATCH(max_read_idle);
PATCH(max_write_idle);
PATCH(max_request_size);
PATCH(use_xattr);
PATCH(error_handler);
PATCH(error_handler_404);
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_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(listen_backlog);*//*(not necessary; used only at startup)*/
PATCH(stream_request_body);
PATCH(stream_response_body);
PATCH(ssl_enabled);
PATCH(ssl_pemfile);
#ifdef USE_OPENSSL
PATCH(ssl_pemfile_x509);
PATCH(ssl_pemfile_pkey);
#endif
PATCH(ssl_ca_file);
#ifdef USE_OPENSSL
PATCH(ssl_ca_file_cert_names);
#endif
PATCH(ssl_cipher_list);
PATCH(ssl_dh_file);
PATCH(ssl_ec_curve);
PATCH(ssl_honor_cipher_order);
PATCH(ssl_empty_fragments);
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) {
size_t i, j;
/* 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"))) {
PATCH(error_handler);
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.error-handler-404"))) {
PATCH(error_handler_404);
} 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("server.max-request-size"))) {
PATCH(max_request_size);
} 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_pemfile_x509);
PATCH(ssl_pemfile_pkey);
#endif
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.ca-file"))) {
PATCH(ssl_ca_file);
#ifdef USE_OPENSSL
PATCH(ssl_ca_file_cert_names);
#endif
} 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.empty-fragments"))) {
PATCH(ssl_empty_fragments);
} 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(ssl_enabled);
} 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_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("server.stream-request-body"))) {
PATCH(stream_request_body);
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.stream-response-body"))) {
PATCH(stream_response_body);
} 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);
#if 0 /*(not necessary; used only at startup)*/
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.listen-backlog"))) {
PATCH(listen_backlog);
#endif
} 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_string_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;
force_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;
force_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 );
force_assert(pParser);
lasttoken = buffer_init();
token = buffer_init();
while((1 == (ret = config_tokenizer(srv, t, &token_id, token))) && context->ok) {
buffer_copy_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;
}
static int config_parse_file_stream(server *srv, config_t *context, const buffer *filename) {
tokenizer_t t;
stream s;
int ret;
if (0 != stream_open(&s, filename)) {
log_error_write(srv, __FILE__, __LINE__, "sbss",
"opening configfile ", filename, "failed:", strerror(errno));
return -1;
} else {
tokenizer_init(&t, filename, s.start, s.size);
ret = config_parse(srv, context, &t);
}
stream_close(&s);
return ret;
}
int config_parse_file(server *srv, config_t *context, const char *fn) {
buffer *filename;
size_t i;
int ret = -1;
#ifdef GLOB_BRACE
int flags = GLOB_BRACE;
#else
int flags = 0;
#endif
glob_t gl;
if ((fn[0] == '/' || fn[0] == '\\') ||
(fn[0] == '.' && (fn[1] == '/' || fn[1] == '\\')) ||
(fn[0] == '.' && fn[1] == '.' && (fn[2] == '/' || fn[2] == '\\'))) {
filename = buffer_init_string(fn);
} else {
filename = buffer_init_buffer(context->basedir);
buffer_append_string(filename, fn);
}
switch (glob(filename->ptr, flags, NULL, &gl)) {
case 0:
for (i = 0; i < gl.gl_pathc; ++i) {
buffer_copy_string(filename, gl.gl_pathv[i]);
ret = config_parse_file_stream(srv, context, filename);
if (0 != ret) break;
}
globfree(&gl);
break;
case GLOB_NOMATCH:
if (filename->ptr[strcspn(filename->ptr, "*?[]{}")] != '\0') { /*(contains glob metachars)*/
ret = 0; /* not an error if no files match glob pattern */
}
else {
log_error_write(srv, __FILE__, __LINE__, "sb", "include file not found: ", filename);
}
break;
case GLOB_ABORTED:
case GLOB_NOSPACE:
log_error_write(srv, __FILE__, __LINE__, "sbss", "glob()", filename, "failed:", strerror(errno));
break;
}
buffer_free(filename);
return ret;
}
static char* getCWD(void) {
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) {
free(s);
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;
}
if (!buffer_string_is_empty(context->basedir)) {
if (0 != chdir(context->basedir->ptr)) {
log_error_write(srv, __FILE__, __LINE__, "sbs",
"cannot change directory to", context->basedir, strerror(errno));
free(oldpwd);
return -1;
}
}
source = buffer_init_string(cmd);
out = buffer_init();
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, CONST_BUF_LEN(out));
ret = config_parse(srv, context, &t);
}
buffer_free(source);
buffer_free(out);
if (0 != chdir(oldpwd)) {
log_error_write(srv, __FILE__, __LINE__, "sss",
"cannot change directory to", oldpwd, strerror(errno));
free(oldpwd);
return -1;
}
free(oldpwd);
return ret;
}
static void context_init(server *srv, config_t *context) {
context->srv = srv;
context->ok = 1;
vector_config_weak_init(&context->configs_stack);
context->basedir = buffer_init();
}
static void context_free(config_t *context) {
vector_config_weak_clear(&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;
buffer *filename;
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);
}
dc = data_config_init();
buffer_copy_string_len(dc->key, CONST_STR_LEN("global"));
force_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 */
dpid = data_integer_init();
dpid->value = getpid();
buffer_copy_string_len(dpid->key, CONST_STR_LEN("var.PID"));
array_insert_unique(dc->value, (data_unset *)dpid);
dcwd = data_string_init();
buffer_string_prepare_copy(dcwd->value, 1023);
if (NULL != getcwd(dcwd->value->ptr, dcwd->value->size - 1)) {
buffer_commit(dcwd->value, strlen(dcwd->value->ptr));
buffer_copy_string_len(dcwd->key, CONST_STR_LEN("var.CWD"));
array_insert_unique(dc->value, (data_unset *)dcwd);
} else {
dcwd->free((data_unset*) dcwd);
}
filename = buffer_init_string(fn);
ret = config_parse_file_stream(srv, &context, filename);
buffer_free(filename);
/* remains nothing if parser is ok */
force_assert(!(0 == ret && context.ok && 0 != context.configs_stack.used));
context_free(&context);
if (0 != ret) {
return ret;
}
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_string_is_empty(srv->srvconf.changeroot)) {
if (-1 == stat(srv->srvconf.changeroot->ptr, &st1)) {
log_error_write(srv, __FILE__, __LINE__, "sb",
"server.chroot doesn't exist:", srv->srvconf.changeroot);
return -1;
}
if (!S_ISDIR(st1.st_mode)) {
log_error_write(srv, __FILE__, __LINE__, "sb",
"server.chroot isn't a directory:", srv->srvconf.changeroot);
return -1;
}
}
if (!srv->srvconf.upload_tempdirs->used) {
data_string *ds = data_string_init();
const char *tmpdir = getenv("TMPDIR");
if (NULL == tmpdir) tmpdir = "/var/tmp";
buffer_copy_string(ds->value, tmpdir);
array_insert_unique(srv->srvconf.upload_tempdirs, (data_unset *)ds);
}
if (srv->srvconf.upload_tempdirs->used) {
buffer * const b = srv->tmp_buf;
size_t len;
if (!buffer_string_is_empty(srv->srvconf.changeroot)) {
buffer_copy_buffer(b, srv->srvconf.changeroot);
buffer_append_slash(b);
} else {
buffer_reset(b);
}
len = buffer_string_length(b);
for (i = 0; i < srv->srvconf.upload_tempdirs->used; ++i) {
const data_string * const ds = (data_string *)srv->srvconf.upload_tempdirs->data[i];
buffer_string_set_length(b, len); /*(truncate)*/
buffer_append_string_buffer(b, ds->value);
if (-1 == stat(b->ptr, &st1)) {
log_error_write(srv, __FILE__, __LINE__, "sb",
"server.upload-dirs doesn't exist:", b);
} else if (!S_ISDIR(st1.st_mode)) {
log_error_write(srv, __FILE__, __LINE__, "sb",
"server.upload-dirs isn't a directory:", b);
}
}
}
chunkqueue_set_tempdirs_default(
srv->srvconf.upload_tempdirs,
srv->srvconf.upload_temp_file_size);
if (buffer_string_is_empty(s->document_root)) {
log_error_write(srv, __FILE__, __LINE__, "s",
"a default document-root has to be set");
return -1;
}
buffer_copy_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_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->ssl_enabled ? 443 : 80;
}
if (buffer_string_is_empty(srv->srvconf.event_handler)) {
/* 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->ssl_enabled) {
if (buffer_string_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;
}
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