52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr_lib.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr_strings.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr_general.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr_file_io.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr_portable.h"

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek#include "apr_buckets.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr_optional.h"

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek#include "apr_signal.h"

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#define APR_WANT_STRFUNC

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#include "apr_want.h"

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#if APR_HAVE_SYS_SOCKET_H

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#include <sys/socket.h>

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#if APR_HAVE_UNISTD_H

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include <unistd.h>

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#if APR_HAVE_SYS_TYPES_H

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include <sys/types.h>

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define CORE_PRIVATE

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek#include "util_filter.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "httpd.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "http_config.h"

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek#include "http_request.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "http_core.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "http_protocol.h"

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#include "http_main.h"

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek#include "http_log.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "util_script.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "ap_mpm.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "unixd.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "mod_suexec.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "../filters/mod_include.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "mod_core.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include <sys/stat.h>

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include <sys/un.h> /* for sockaddr_un */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallaghermodule AP_MODULE_DECLARE_DATA cgid_module;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int cgid_init(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *main_server);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int handle_exec(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic APR_OPTIONAL_FN_TYPE(ap_register_include_handler) *cgid_pfn_reg_with_ssi;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic APR_OPTIONAL_FN_TYPE(ap_ssi_get_tag_and_value) *cgid_pfn_gtv;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic APR_OPTIONAL_FN_TYPE(ap_ssi_parse_string) *cgid_pfn_ps;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic apr_pool_t *pcgi;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int total_modules = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic pid_t daemon_pid;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int daemon_should_exit = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic void discard_script_output(apr_bucket_brigade *bb);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozekstatic int is_scriptaliased(request_rec *r)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher{

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher const char *t = apr_table_get(r->notes, "alias-forced-type");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return t && (!strcasecmp(t, "cgi-script"));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher}

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define DEFAULT_LOGBYTES 10385760

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#define DEFAULT_BUFBYTES 1024

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#define DEFAULT_SOCKET DEFAULT_REL_RUNTIMEDIR "/cgisock"

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define CGI_REQ 1

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define SSI_REQ 2

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#ifndef DEFAULT_CGID_LISTENBACKLOG

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek#define DEFAULT_CGID_LISTENBACKLOG 100

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek#ifndef DEFAULT_CONNECT_ATTEMPTS

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek#define DEFAULT_CONNECT_ATTEMPTS 15

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek#endif

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallaghertypedef struct {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher const char *sockname;

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek const char *logname;

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek long logbytes;

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek int bufbytes;

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek} cgid_server_conf;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozekstatic char **create_argv(apr_pool_t *p, char *path, char *user, char *group,

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek char *av0, const char *args)

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek{

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek int x, numwords;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek char **av;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher char *w;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher int idx = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* count the number of keywords */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher for (x = 0, numwords = 1; args[x]; x++) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (args[x] == '+') {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ++numwords;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (numwords > APACHE_ARG_MAX - 5) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher numwords = APACHE_ARG_MAX - 5; /* Truncate args to prevent overrun */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher av = (char **) apr_pcalloc(p, (numwords + 5) * sizeof(char *));

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (path) {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek av[idx++] = path;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (user) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher av[idx++] = user;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher if (group) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher av[idx++] = group;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher av[idx++] = apr_pstrdup(p, av0);

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek for (x = 1; x <= numwords; x++) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher w = ap_getword_nulls(p, &args, '+');

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (strcmp(w, "")) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_unescape_url(w);

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher av[idx++] = ap_escape_shell_cmd(p, w);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher av[idx] = NULL;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return av;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek}

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#if APR_HAS_OTHER_CHILD

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic void cgid_maint(int reason, void *data, apr_wait_t status)

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher{

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek pid_t *sd = data;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek switch (reason) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek case APR_OC_REASON_DEATH:

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek case APR_OC_REASON_RESTART:

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek /* don't do anything; server is stopping or restarting */

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_proc_other_child_unregister(data);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek break;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek case APR_OC_REASON_LOST:

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek /* it would be better to restart just the cgid child

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek kill(getpid(), AP_SIG_GRACEFUL);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek break;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek case APR_OC_REASON_UNREGISTER:

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek /* we get here when pcgi is cleaned up; pcgi gets cleaned

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek kill(*sd, SIGHUP); /* send signal to daemon telling it to die */

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek break;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek}

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek#endif

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozekstatic int get_req(int fd, request_rec *r, char **argv0, char ***env, int *req_type)

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek{

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek int i, len, j, rc;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek unsigned char *data;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek char **environ;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek core_dir_config *temp_core;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek void **dconf;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek module *suexec_mod = ap_find_linked_module("mod_suexec.c");

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek r->server = apr_pcalloc(r->pool, sizeof(server_rec));

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek rc = read(fd, req_type, sizeof(int));

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (rc != sizeof(int)) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return 1;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek rc = read(fd, &j, sizeof(int));

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (rc != sizeof(int)) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek return 1;

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek rc = read(fd, &len, sizeof(int));

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (rc != sizeof(int)) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return 1;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek data = apr_pcalloc(r->pool, len + 1); /* get a cleared byte for final '\0' */

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek rc = read(fd, data, len);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (rc != len) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek return 1;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek r->filename = ap_getword(r->pool, (const char **)&data, '\n');

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek *argv0 = ap_getword(r->pool, (const char **)&data, '\n');

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek r->uri = ap_getword(r->pool, (const char **)&data, '\n');

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek environ = apr_pcalloc(r->pool, (j + 2) *sizeof(char *));

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek i = 0;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek for (i = 0; i < j; i++) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek environ[i] = ap_getword(r->pool, (const char **)&data, '\n');

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek *env = environ;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek r->args = ap_getword(r->pool, (const char **)&data, '\n');

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek rc = read(fd, &i, sizeof(int));

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (rc != sizeof(int)) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return 1;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* add 1, so that if i == 0, we still malloc something. */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek dconf = (void **) apr_pcalloc(r->pool, sizeof(void *) * (total_modules + DYNAMIC_MODULE_LIMIT));

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek temp_core = (core_dir_config *)apr_palloc(r->pool, sizeof(core_module));

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek dconf[i] = (void *)temp_core;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (suexec_mod) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek suexec_config_t *suexec_cfg = apr_pcalloc(r->pool, sizeof(*suexec_cfg));

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek rc = read(fd, &i, sizeof(int));

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek if (rc != sizeof(int)) {

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek return 1;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek }

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek rc = read(fd, suexec_cfg, sizeof(*suexec_cfg));

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (rc != sizeof(*suexec_cfg)) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek return 1;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek dconf[i] = (void *)suexec_cfg;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek r->per_dir_config = (ap_conf_vector_t *)dconf;

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek#if 0

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek#ifdef RLIMIT_CPU

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek read(fd, &j, sizeof(int));

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (j) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek temp_core->limit_cpu = (struct rlimit *)apr_palloc (sizeof(struct rlimit));

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek read(fd, temp_core->limit_cpu, sizeof(struct rlimit));

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek else {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek temp_core->limit_cpu = NULL;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek#endif

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek#if defined (RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek read(fd, &j, sizeof(int));

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek if (j) {

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek temp_core->limit_mem = (struct rlimit *)apr_palloc(r->pool, sizeof(struct rlimit));

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek read(fd, temp_core->limit_mem, sizeof(struct rlimit));

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek else {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek temp_core->limit_mem = NULL;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#endif

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#ifdef RLIMIT_NPROC

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek read(fd, &j, sizeof(int));

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek if (j) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek temp_core->limit_nproc = (struct rlimit *)apr_palloc(r->pool, sizeof(struct rlimit));

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek read(fd, temp_core->limit_nproc, sizeof(struct rlimit));

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek else {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek temp_core->limit_nproc = NULL;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek#endif

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek#endif

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek /* basic notes table to avoid segfaults */

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek r->notes = apr_table_make(r->pool, 1);

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek /* mod_userdir requires the mod_userdir_user note */

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek rc = read(fd, &len, sizeof(len));

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if ((rc == sizeof(len)) && len) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek data = apr_pcalloc(r->pool, len + 1); /* last byte is '\0' */

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek rc = read(fd, data, len);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (rc != len) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek return 1;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek apr_table_set(r->notes,"mod_userdir_user", (const char *)data);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek return 0;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek}

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozekstatic void send_req(int fd, request_rec *r, char *argv0, char **env, int req_type)

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek{

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek int len, r_type = req_type;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek int i = 0;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek char *data;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek module *suexec_mod = ap_find_linked_module("mod_suexec.c");

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek data = apr_pstrcat(r->pool, r->filename, "\n", argv0, "\n", r->uri, "\n",

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher NULL);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher for (i =0; env[i]; i++) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher continue;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* Write the request type (SSI "exec cmd" or cgi). */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (write(fd, &r_type, sizeof(int)) < 0) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek "write to cgi daemon process");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* Write the number of entries in the environment. */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (write(fd, &i, sizeof(int)) < 0) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "write to cgi daemon process");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher for (i = 0; env[i]; i++) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek data = apr_pstrcat(r->pool, data, env[i], "\n", NULL);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher data = apr_pstrcat(r->pool, data, r->args, NULL);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher len = strlen(data);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* Write the length of the concatenated env string. */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (write(fd, &len, sizeof(int)) < 0) {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "write to cgi daemon process");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek /* Write the concatted env string. */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (write(fd, data, len) < 0) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "write to cgi daemon process");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek /* Write module_index id value. */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (write(fd, &core_module.module_index, sizeof(int)) < 0) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "write to cgi daemon process");

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (suexec_mod) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher suexec_config_t *suexec_cfg = ap_get_module_config(r->per_dir_config,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher suexec_mod);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

056302a92862fda16351d7192600746746f38e5dStephen Gallagher write(fd, &suexec_mod->module_index, sizeof(int));

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher write(fd, suexec_cfg, sizeof(*suexec_cfg));

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher }

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek#if 0

056302a92862fda16351d7192600746746f38e5dStephen Gallagher#ifdef RLIMIT_CPU

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (conf->limit_cpu) {

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek len = 1;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek write(fd, &len, sizeof(int));

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek write(fd, conf->limit_cpu, sizeof(struct rlimit));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher else {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek len = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher write(fd, &len, sizeof(int));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (conf->limit_mem) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher len = 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher write(fd, &len, sizeof(int));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher write(fd, conf->limit_mem, sizeof(struct rlimit));

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek else {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek len = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher write(fd, &len, sizeof(int));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher#ifdef RLIMIT_NPROC

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (conf->limit_nproc) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher len = 1;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek write(fd, &len, sizeof(int));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher write(fd, conf->limit_nproc, sizeof(struct rlimit));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher else {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher len = 0;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek write(fd, &len, sizeof(int));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* send a minimal notes table */

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek data = (char *) apr_table_get(r->notes, "mod_userdir_user");

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek if (data != NULL) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher len = strlen(data);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek write(fd, &len, sizeof(len));

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek write(fd, data, len);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek else {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek len = 0;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek write(fd, &len, sizeof(len));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher}

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic void daemon_signal_handler(int sig)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher{

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (sig == SIGHUP) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ++daemon_should_exit;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher}

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagherstatic int cgid_server(void *data)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher{

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek struct sockaddr_un unix_addr;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek int sd, sd2, rc, req_type;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher mode_t omask;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_socklen_t len;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_pool_t *ptrans;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher server_rec *main_server = data;

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek cgid_server_conf *sconf = ap_get_module_config(main_server->module_config,

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek &cgid_module);

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_pool_create(&ptrans, pcgi);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek apr_signal(SIGCHLD, SIG_IGN);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek apr_signal(SIGHUP, daemon_signal_handler);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (unlink(sconf->sockname) < 0 && errno != ENOENT) {

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek "Couldn't unlink unix domain socket %s",

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher sconf->sockname);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* just a warning; don't bail out */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek "Couldn't create unix domain socket");

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek return errno;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek memset(&unix_addr, 0, sizeof(unix_addr));

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek unix_addr.sun_family = AF_UNIX;

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek strcpy(unix_addr.sun_path, sconf->sockname);

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher omask = umask(0077); /* so that only Apache can use socket */

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek rc = bind(sd, (struct sockaddr *)&unix_addr, sizeof(unix_addr));

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek umask(omask); /* can't fail, so can't clobber errno */

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek if (rc < 0) {

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek "Couldn't bind unix domain socket %s",

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek sconf->sockname);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek return errno;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek }

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek if (listen(sd, DEFAULT_CGID_LISTENBACKLOG) < 0) {

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek "Couldn't listen on unix domain socket");

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek return errno;

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek }

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek if (!geteuid()) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (chown(sconf->sockname, unixd_config.user_id, -1) < 0) {

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek "Couldn't change owner of unix domain socket %s",

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek sconf->sockname);

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek return errno;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek unixd_setup_child(); /* if running as root, switch to configured user/group */

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek while (!daemon_should_exit) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek int errfileno = STDERR_FILENO;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek char *argv0;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek char **env;

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek const char * const *argv;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek apr_int32_t in_pipe;

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek apr_int32_t out_pipe;

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek apr_int32_t err_pipe;

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek apr_cmdtype_e cmd_type;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek request_rec *r;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek apr_procattr_t *procattr = NULL;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_proc_t *procnew = NULL;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek apr_file_t *inout;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek apr_pool_clear(ptrans);

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek len = sizeof(unix_addr);

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek sd2 = accept(sd, (struct sockaddr *)&unix_addr, &len);

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek if (sd2 < 0) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (errno != EINTR) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek ap_log_error(APLOG_MARK, APLOG_ERR, errno,

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher (server_rec *)data,

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher "Error accepting on cgid socket");

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher }

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher continue;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher r = apr_pcalloc(ptrans, sizeof(request_rec));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher procnew = apr_pcalloc(ptrans, sizeof(*procnew));

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek r->pool = ptrans;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher rc = get_req(sd2, r, &argv0, &env, &req_type);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (rc) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_log_error(APLOG_MARK, APLOG_ERR, 0,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher main_server,

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek "Error reading request on cgid socket");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher close(sd2);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher continue;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_os_file_put(&r->server->error_log, &errfileno, 0, r->pool);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_os_file_put(&inout, &sd2, 0, r->pool);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher if (req_type == SSI_REQ) {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek in_pipe = APR_NO_PIPE;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek out_pipe = APR_FULL_BLOCK;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek err_pipe = APR_NO_PIPE;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher cmd_type = APR_SHELLCMD;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek else {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher in_pipe = APR_CHILD_BLOCK;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher out_pipe = APR_CHILD_BLOCK;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher err_pipe = APR_CHILD_BLOCK;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher cmd_type = APR_PROGRAM;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher if (((rc = apr_procattr_create(&procattr, ptrans)) != APR_SUCCESS) ||

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ((req_type == CGI_REQ) &&

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher (((rc = apr_procattr_io_set(procattr,

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek in_pipe,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher out_pipe,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher err_pipe)) != APR_SUCCESS) ||

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* XXX apr_procattr_child_*_set() is creating an unnecessary

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ((rc = apr_procattr_child_err_set(procattr, r->server->error_log, NULL)) != APR_SUCCESS) ||

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ((rc = apr_procattr_child_in_set(procattr, inout, NULL)) != APR_SUCCESS))) ||

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek ((rc = apr_procattr_child_out_set(procattr, inout, NULL)) != APR_SUCCESS) ||

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ((rc = apr_procattr_dir_set(procattr,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_make_dirstr_parent(r->pool, r->filename))) != APR_SUCCESS) ||

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ((rc = apr_procattr_cmdtype_set(procattr, cmd_type)) != APR_SUCCESS)) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* Something bad happened, tell the world. */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek "couldn't set child process attributes: %s", r->filename);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher else {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher argv = (const char * const *)create_argv(r->pool, NULL, NULL, NULL, argv0, r->args);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* We want to close sd2 for the new CGI process too.

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher close(sd2);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek rc = ap_os_create_privileged_process(r, procnew, argv0, argv,

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek (const char * const *)env,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher procattr, ptrans);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (rc != APR_SUCCESS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* Bad things happened. Everyone should have cleaned up. */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "couldn't create child process: %d: %s", rc, r->filename);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek return -1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher}

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozekstatic int cgid_init(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher server_rec *main_server)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher{

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_proc_t *procnew;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher void *data;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek int first_time = 0;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek const char *userdata_key = "cgid_init";

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher module **m;

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_pool_userdata_get(&data, userdata_key, main_server->process->pool);

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek if (!data) {

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek first_time = 1;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek apr_pool_userdata_set((const void *)1, userdata_key,

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek apr_pool_cleanup_null, main_server->process->pool);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek if (!first_time) {

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek total_modules = 0;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek for (m = ap_preloaded_modules; *m != NULL; m++)

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek total_modules++;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek daemon_should_exit = 0; /* clear setting from previous generation */

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek if ((daemon_pid = fork()) < 0) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek "mod_cgid: Couldn't spawn cgid daemon process");

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek return DECLINED;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek }

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek else if (daemon_pid == 0) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_pool_create(&pcgi, p);

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek cgid_server(main_server);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek exit(-1);

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek }

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek procnew = apr_pcalloc(p, sizeof(*procnew));

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek procnew->pid = daemon_pid;

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek procnew->err = procnew->in = procnew->out = NULL;

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek apr_pool_note_subprocess(p, procnew, APR_KILL_AFTER_TIMEOUT);

e5c33e0bd03a2deb8e5011deeb3ae93f960910eeJakub Hrozek#if APR_HAS_OTHER_CHILD

e5c33e0bd03a2deb8e5011deeb3ae93f960910eeJakub Hrozek apr_proc_other_child_register(procnew, cgid_maint, &procnew->pid, NULL, p);

e5c33e0bd03a2deb8e5011deeb3ae93f960910eeJakub Hrozek#endif

e5c33e0bd03a2deb8e5011deeb3ae93f960910eeJakub Hrozek

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek cgid_pfn_reg_with_ssi = APR_RETRIEVE_OPTIONAL_FN(ap_register_include_handler);

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek cgid_pfn_gtv = APR_RETRIEVE_OPTIONAL_FN(ap_ssi_get_tag_and_value);

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek cgid_pfn_ps = APR_RETRIEVE_OPTIONAL_FN(ap_ssi_parse_string);

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek if ((cgid_pfn_reg_with_ssi) && (cgid_pfn_gtv) && (cgid_pfn_ps)) {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek /* Required by mod_include filter. This is how mod_cgid registers

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek cgid_pfn_reg_with_ssi("exec", handle_exec);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek }

e5c33e0bd03a2deb8e5011deeb3ae93f960910eeJakub Hrozek return OK;

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek}

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozekstatic void *create_cgid_config(apr_pool_t *p, server_rec *s)

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek{

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek cgid_server_conf *c =

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek (cgid_server_conf *) apr_pcalloc(p, sizeof(cgid_server_conf));

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek c->logname = NULL;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek c->logbytes = DEFAULT_LOGBYTES;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek c->bufbytes = DEFAULT_BUFBYTES;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek c->sockname = ap_server_root_relative(p, DEFAULT_SOCKET);

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek return c;

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek}

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozekstatic void *merge_cgid_config(apr_pool_t *p, void *basev, void *overridesv)

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek{

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek cgid_server_conf *base = (cgid_server_conf *) basev, *overrides = (cgid_server_conf *) overridesv;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek return overrides->logname ? overrides : base;

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek}

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozekstatic const char *set_scriptlog(cmd_parms *cmd, void *dummy, const char *arg)

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek{

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek server_rec *s = cmd->server;

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek cgid_server_conf *conf = ap_get_module_config(s->module_config,

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek &cgid_module);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek conf->logname = ap_server_root_relative(cmd->pool, arg);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek if (!conf->logname) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek return apr_pstrcat(cmd->pool, "Invalid ScriptLog path ",

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek arg, NULL);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek return NULL;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek}

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozekstatic const char *set_scriptlog_length(cmd_parms *cmd, void *dummy, const char *arg)

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek{

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek server_rec *s = cmd->server;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek cgid_server_conf *conf = ap_get_module_config(s->module_config,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek &cgid_module);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek conf->logbytes = atol(arg);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return NULL;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek}

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozekstatic const char *set_scriptlog_buffer(cmd_parms *cmd, void *dummy, const char *arg)

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek{

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek server_rec *s = cmd->server;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek cgid_server_conf *conf = ap_get_module_config(s->module_config,

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek &cgid_module);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek conf->bufbytes = atoi(arg);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek return NULL;

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek}

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozekstatic const char *set_script_socket(cmd_parms *cmd, void *dummy, const char *arg)

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek{

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek server_rec *s = cmd->server;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek cgid_server_conf *conf = ap_get_module_config(s->module_config,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek &cgid_module);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek conf->sockname = ap_server_root_relative(cmd->pool, arg);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (!conf->sockname) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek return apr_pstrcat(cmd->pool, "Invalid Scriptsock path ",

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek arg, NULL);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return NULL;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek}

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozekstatic const command_rec cgid_cmds[] =

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek{

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek AP_INIT_TAKE1("ScriptLog", set_scriptlog, NULL, RSRC_CONF,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek "the name of a log for script debugging info"),

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek AP_INIT_TAKE1("ScriptLogLength", set_scriptlog_length, NULL, RSRC_CONF,

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek "the maximum length (in bytes) of the script debug log"),

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek AP_INIT_TAKE1("ScriptLogBuffer", set_scriptlog_buffer, NULL, RSRC_CONF,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek "the maximum size (in bytes) to record of a POST request"),

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek AP_INIT_TAKE1("Scriptsock", set_script_socket, NULL, RSRC_CONF,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek "the name of the socket to use for communication with "

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek "the cgi daemon."),

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek {NULL}

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek};

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozekstatic int log_scripterror(request_rec *r, cgid_server_conf * conf, int ret,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_status_t rv, char *error)

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek{

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_file_t *f = NULL;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek struct stat finfo;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek char time_str[APR_CTIME_LEN];

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek int log_flags = rv ? APLOG_ERR : APLOG_ERR;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek ap_log_rerror(APLOG_MARK, log_flags, rv, r,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek "%s: %s", error, r->filename);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* XXX Very expensive mainline case! Open, then getfileinfo! */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (!conf->logname ||

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek ((stat(conf->logname, &finfo) == 0)

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek && (finfo.st_size > conf->logbytes)) ||

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek (apr_file_open(&f, conf->logname,

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek APR_APPEND|APR_WRITE|APR_CREATE, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek return ret;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* "%% [Wed Jun 19 10:53:21 1996] GET /cgid-bin/printenv HTTP/1.0" */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_ctime(time_str, apr_time_now());

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_file_printf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek r->args ? "?" : "", r->args ? r->args : "", r->protocol);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* "%% 500 /usr/local/apache/cgid-bin */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_file_printf(f, "%%%% %d %s\n", ret, r->filename);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_file_printf(f, "%%error\n%s\n", error);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_file_close(f);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek return ret;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek}

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozekstatic int log_script(request_rec *r, cgid_server_conf * conf, int ret,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek char *dbuf, const char *sbuf, apr_bucket_brigade *bb,

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_file_t *script_err)

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek{

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek const apr_array_header_t *hdrs_arr = apr_table_elts(r->headers_in);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek const apr_table_entry_t *hdrs = (apr_table_entry_t *) hdrs_arr->elts;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek char argsbuffer[HUGE_STRING_LEN];

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_file_t *f = NULL;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_bucket *e;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek const char *buf;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_size_t len;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_status_t rv;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek int first;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek int i;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek struct stat finfo;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek char time_str[APR_CTIME_LEN];

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* XXX Very expensive mainline case! Open, then getfileinfo! */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (!conf->logname ||

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek ((stat(conf->logname, &finfo) == 0)

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek && (finfo.st_size > conf->logbytes)) ||

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek (apr_file_open(&f, conf->logname,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek APR_APPEND|APR_WRITE|APR_CREATE, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* Soak up script output */

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek discard_script_output(bb);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (script_err) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek while (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek script_err) == APR_SUCCESS)

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek continue;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek return ret;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek /* "%% [Wed Jun 19 10:53:21 1996] GET /cgid-bin/printenv HTTP/1.0" */

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_ctime(time_str, apr_time_now());

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_file_printf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek r->args ? "?" : "", r->args ? r->args : "", r->protocol);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek /* "%% 500 /usr/local/apache/cgid-bin" */

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_file_printf(f, "%%%% %d %s\n", ret, r->filename);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_file_puts("%request\n", f);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek for (i = 0; i < hdrs_arr->nelts; ++i) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (!hdrs[i].key)

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek continue;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_file_printf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if ((r->method_number == M_POST || r->method_number == M_PUT)

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek && *dbuf) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_file_printf(f, "\n%s\n", dbuf);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_file_puts("%response\n", f);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek hdrs_arr = apr_table_elts(r->err_headers_out);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek hdrs = (const apr_table_entry_t *) hdrs_arr->elts;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek for (i = 0; i < hdrs_arr->nelts; ++i) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (!hdrs[i].key)

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek continue;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_file_printf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (sbuf && *sbuf)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_printf(f, "%s\n", sbuf);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher first = 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher APR_BRIGADE_FOREACH(e, bb) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (APR_BUCKET_IS_EOS(e)) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher rv = apr_bucket_read(e, &buf, &len, APR_BLOCK_READ);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (!APR_STATUS_IS_SUCCESS(rv) || (len == 0)) {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek break;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (first) {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek apr_file_puts("%stdout\n", f);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek first = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_write(f, buf, &len);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_file_puts("\n", f);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (script_err) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek script_err) == APR_SUCCESS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_puts("%stderr\n", f);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_puts(argsbuffer, f);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher while (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher script_err) == APR_SUCCESS)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_puts(argsbuffer, f);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_puts("\n", f);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (script_err) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_close(script_err);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_close(f);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek return ret;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher}

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozekstatic apr_status_t close_unix_socket(void *thefd)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher{

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher int fd = (int)thefd;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return close(fd);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek}

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozekstatic int connect_to_daemon(int *sdptr, request_rec *r,

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher cgid_server_conf *conf)

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher{

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek struct sockaddr_un unix_addr;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher int sd;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher int connect_tries;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher apr_interval_time_t sliding_timer;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher memset(&unix_addr, 0, sizeof(unix_addr));

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher unix_addr.sun_family = AF_UNIX;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher strcpy(unix_addr.sun_path, conf->sockname);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek connect_tries = 0;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek sliding_timer = 100000; /* 100 milliseconds */

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek while (1) {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek ++connect_tries;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher return log_scripterror(r, conf, HTTP_INTERNAL_SERVER_ERROR, errno,

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek "unable to create socket to cgi daemon");

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher }

7a14e8f66c0e932fe2954d792614a3b61d444bd1Jakub Hrozek if (connect(sd, (struct sockaddr *)&unix_addr, sizeof(unix_addr)) < 0) {

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher if (errno == ECONNREFUSED && connect_tries < DEFAULT_CONNECT_ATTEMPTS) {

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher ap_log_rerror(APLOG_MARK, APLOG_DEBUG, errno, r,

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek "connect #%d to cgi daemon failed, sleeping before retry",

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher connect_tries);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek close(sd);

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher apr_sleep(sliding_timer);

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher if (sliding_timer < apr_time_from_sec(2)) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek sliding_timer *= 2;

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher }

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher }

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher else {

7797e361155f7ce937085fd98e360469d7baf1b6Jakub Hrozek close(sd);

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher return log_scripterror(r, conf, HTTP_SERVICE_UNAVAILABLE, errno,

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek "unable to connect to cgi daemon after multiple tries");

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek else {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek apr_pool_cleanup_register(r->pool, (void *)sd, close_unix_socket,

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek apr_pool_cleanup_null);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek break; /* we got connected! */

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek /* gotta try again, but make sure the cgid daemon is still around */

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (kill(daemon_pid, 0) != 0) {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek return log_scripterror(r, conf, HTTP_SERVICE_UNAVAILABLE, errno,

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek "cgid daemon is gone; is Apache terminating?");

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek *sdptr = sd;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek return OK;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek}

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozekstatic void discard_script_output(apr_bucket_brigade *bb)

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek{

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek apr_bucket *e;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek const char *buf;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek apr_size_t len;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek apr_status_t rv;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek APR_BRIGADE_FOREACH(e, bb) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (APR_BUCKET_IS_EOS(e)) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek break;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek rv = apr_bucket_read(e, &buf, &len, APR_BLOCK_READ);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek if (!APR_STATUS_IS_SUCCESS(rv)) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek break;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek}

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozekstatic int cgid_handler(request_rec *r)

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek{

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek conn_rec *c = r->connection;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek int retval, nph, dbpos = 0;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek char *argv0, *dbuf = NULL;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek apr_bucket_brigade *bb;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek apr_bucket *b;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek cgid_server_conf *conf;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek int is_included;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek int seen_eos, child_stopped_reading;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher int sd;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek char **env;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_t *tempsock;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (strcmp(r->handler,CGI_MAGIC_TYPE) && strcmp(r->handler,"cgi-script"))

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return DECLINED;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (r->method_number == M_OPTIONS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* 99 out of 100 cgid scripts, this is all they support */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher r->allowed |= (AP_METHOD_BIT << M_GET);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher r->allowed |= (AP_METHOD_BIT << M_POST);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return DECLINED;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek conf = ap_get_module_config(r->server->module_config, &cgid_module);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher is_included = !strcmp(r->protocol, "INCLUDED");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if ((argv0 = strrchr(r->filename, '/')) != NULL)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher argv0++;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek else

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher argv0 = r->filename;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher nph = !(strncmp(argv0, "nph-", 4));

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if ((argv0 = strrchr(r->filename, '/')) != NULL)

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek argv0++;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher else

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher argv0 = r->filename;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (!(ap_allow_options(r) & OPT_EXECCGI) && !is_scriptaliased(r))

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher return log_scripterror(r, conf, HTTP_FORBIDDEN, 0,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "Options ExecCGI is off in this directory");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (nph && is_included)

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek return log_scripterror(r, conf, HTTP_FORBIDDEN, 0,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "attempt to include NPH CGI script");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#if defined(OS2) || defined(WIN32)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#error mod_cgid does not work on this platform. If you teach it to, look

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#error at mod_cgi.c for required code in this path.

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#else

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (r->finfo.filetype == 0)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return log_scripterror(r, conf, HTTP_NOT_FOUND, 0,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "script not found or unable to stat");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (r->finfo.filetype == APR_DIR)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return log_scripterror(r, conf, HTTP_FORBIDDEN, 0,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "attempt to invoke directory as script");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if ((r->used_path_info == AP_REQ_REJECT_PATH_INFO) &&

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek r->path_info && *r->path_info)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* default to accept */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return log_scripterror(r, conf, HTTP_NOT_FOUND, 0,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher "AcceptPathInfo off disallows user's path");

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek ap_add_common_vars(r);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_add_cgi_vars(r);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher env = ap_create_environment(r->pool, r->subprocess_env);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if ((retval = connect_to_daemon(&sd, r, conf)) != OK) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return retval;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher send_req(sd, r, argv0, env, CGI_REQ);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek /* We are putting the socket discriptor into an apr_file_t so that we can

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_os_file_put(&tempsock, &sd, 0, r->pool);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if ((argv0 = strrchr(r->filename, '/')) != NULL)

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher argv0++;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher else

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher argv0 = r->filename;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* Transfer any put/post args, CERN style...

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek seen_eos = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher child_stopped_reading = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (conf->logname) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher dbuf = apr_palloc(r->pool, conf->bufbytes + 1);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher dbpos = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher do {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_bucket *bucket;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek apr_status_t rv;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher rv = ap_get_brigade(r->input_filters, bb, AP_MODE_READBYTES,

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek APR_BLOCK_READ, HUGE_STRING_LEN);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (rv != APR_SUCCESS) {

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher return rv;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek APR_BRIGADE_FOREACH(bucket, bb) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek const char *data;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_size_t len;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (APR_BUCKET_IS_EOS(bucket)) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek seen_eos = 1;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek break;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* We can't do much with this. */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (APR_BUCKET_IS_FLUSH(bucket)) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek continue;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* If the child stopped, we still must read to EOS. */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (child_stopped_reading) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek continue;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* read */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_bucket_read(bucket, &data, &len, APR_BLOCK_READ);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (conf->logname && dbpos < conf->bufbytes) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek int cursize;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if ((dbpos + len) > conf->bufbytes) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek cursize = conf->bufbytes - dbpos;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek else {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher cursize = len;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher memcpy(dbuf + dbpos, data, cursize);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher dbpos += cursize;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* Keep writing data to the child until done or too much time

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek rv = apr_file_write_full(tempsock, data, len, NULL);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (rv != APR_SUCCESS) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* silly script stopped reading, soak up remaining message */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek child_stopped_reading = 1;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_brigade_cleanup(bb);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek while (!seen_eos);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (conf->logname) {

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek dbuf[dbpos] = '\0';

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek /* we're done writing, or maybe we didn't write at all;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek shutdown(sd, 1);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek /* Handle script return... */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (!nph) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek const char *location;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek char sbuf[MAX_STRING_LEN];

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher int ret;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher bb = apr_brigade_create(r->pool, c->bucket_alloc);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher b = apr_bucket_pipe_create(tempsock, c->bucket_alloc);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek APR_BRIGADE_INSERT_TAIL(bb, b);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher b = apr_bucket_eos_create(c->bucket_alloc);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher APR_BRIGADE_INSERT_TAIL(bb, b);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if ((ret = ap_scan_script_header_err_brigade(r, bb, sbuf))) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek return log_script(r, conf, ret, dbuf, sbuf, bb, NULL);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher location = apr_table_get(r->headers_out, "Location");

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (location && location[0] == '/' && r->status == 200) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek /* Soak up all the script output */

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek discard_script_output(bb);

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek apr_brigade_destroy(bb);

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek /* This redirect needs to be a GET no matter what the original

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek r->method = apr_pstrdup(r->pool, "GET");

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek r->method_number = M_GET;

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek /* We already read the message body (if any), so don't allow

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek apr_table_unset(r->headers_in, "Content-Length");

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek ap_internal_redirect_handler(location, r);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return OK;

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher else if (location && r->status == 200) {

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek /* XX Note that if a script wants to produce its own Redirect

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek discard_script_output(bb);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_brigade_destroy(bb);

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek return HTTP_MOVED_TEMPORARILY;

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek if (!r->header_only) {

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek /* Passing our socket down the filter chain in a pipe bucket

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek apr_pool_cleanup_kill(r->pool, (void *)sd, close_unix_socket);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek ap_pass_brigade(r->output_filters, bb);

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek if (nph) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek struct ap_filter_t *cur;

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher /* Passing our socket down the filter chain in a pipe bucket

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher apr_pool_cleanup_kill(r->pool, (void *)sd, close_unix_socket);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek /* get rid of all filters up through protocol... since we

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek cur = r->proto_output_filters;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek while (cur && cur->frec->ftype < AP_FTYPE_CONNECTION) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek cur = cur->next;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek r->output_filters = r->proto_output_filters = cur;

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek bb = apr_brigade_create(r->pool, c->bucket_alloc);

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek b = apr_bucket_pipe_create(tempsock, c->bucket_alloc);

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek APR_BRIGADE_INSERT_TAIL(bb, b);

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek b = apr_bucket_eos_create(c->bucket_alloc);

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek APR_BRIGADE_INSERT_TAIL(bb, b);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek ap_pass_brigade(r->output_filters, bb);

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek }

7a14e8f66c0e932fe2954d792614a3b61d444bd1Jakub Hrozek

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek return OK; /* NOT r->status, even if it has changed. */

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek}

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozekstatic int include_cgi(char *s, request_rec *r, ap_filter_t *next,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_bucket *head_ptr, apr_bucket **inserted_head)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher{

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek request_rec *rr = ap_sub_req_lookup_uri(s, r, next);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher int rr_status;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_bucket *tmp_buck, *tmp2_buck;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek if (rr->status != HTTP_OK) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_destroy_sub_req(rr);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return -1;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* No hardwired path info or query allowed */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if ((rr->path_info && rr->path_info[0]) || rr->args) {

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher ap_destroy_sub_req(rr);

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek return -1;

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (rr->finfo.filetype != APR_REG) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ap_destroy_sub_req(rr);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek return -1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* Script gets parameters of the *document*, for back compatibility */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher rr->path_info = r->path_info; /* hard to get right; see mod_cgi.c */

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek rr->args = r->args;