0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

333eac96e4fb7d6901cb75e6ca7bb22b2ccb84cetrawick

333eac96e4fb7d6901cb75e6ca7bb22b2ccb84cetrawick#include "apr_lib.h"

9f979f5c8061f6f6f560d1824e0e378ff5b91931rpluem#include "apr_strings.h"

3568de757bac0b47256647504c186d17ca272f85rbb#include "apr_general.h"

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#include "apr_file_io.h"

3568de757bac0b47256647504c186d17ca272f85rbb#include "apr_portable.h"

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#include "apr_buckets.h"

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#include "apr_optional.h"

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#include "apr_signal.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#define APR_WANT_STRFUNC

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "apr_want.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#if APR_HAVE_SYS_SOCKET_H

8f3ec4772d2aeb347cf40e87c77627bb784dd018rbb#include <sys/socket.h>

8f3ec4772d2aeb347cf40e87c77627bb784dd018rbb#endif

3d96ee83babeec32482c9082c9426340cee8c44dwrowe#if APR_HAVE_UNISTD_H

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include <unistd.h>

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf#endif

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf#if APR_HAVE_SYS_TYPES_H

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick#include <sys/types.h>

98fb535f829e2a95aabd82420931f476661fa8e3jorton#endif

f0e395a55abfcad3d2bd7c63470003b08a93d567nd

f0e395a55abfcad3d2bd7c63470003b08a93d567nd#define CORE_PRIVATE

f0e395a55abfcad3d2bd7c63470003b08a93d567nd

f0e395a55abfcad3d2bd7c63470003b08a93d567nd#include "util_filter.h"

98fb535f829e2a95aabd82420931f476661fa8e3jorton#include "httpd.h"

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#include "http_config.h"

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#include "http_request.h"

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#include "http_core.h"

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#include "http_protocol.h"

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#include "http_main.h"

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#include "http_log.h"

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#include "util_script.h"

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#include "ap_mpm.h"

3568de757bac0b47256647504c186d17ca272f85rbb#include "unixd.h"

41634f717c623556a16b27b25d7d909a66fe20f8wrowe#include "mod_suexec.h"

3568de757bac0b47256647504c186d17ca272f85rbb#include "../filters/mod_include.h"

3568de757bac0b47256647504c186d17ca272f85rbb

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#include "mod_core.h"

3568de757bac0b47256647504c186d17ca272f85rbb

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#include <sys/stat.h>

3568de757bac0b47256647504c186d17ca272f85rbb#include <sys/un.h> /* for sockaddr_un */

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

3568de757bac0b47256647504c186d17ca272f85rbb

0f081398cf0eef8cc7c66a535d450110a92dc8aefieldingmodule AP_MODULE_DECLARE_DATA cgid_module;

41634f717c623556a16b27b25d7d909a66fe20f8wrowe

3568de757bac0b47256647504c186d17ca272f85rbbstatic int cgid_init(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *main_server);

3568de757bac0b47256647504c186d17ca272f85rbbstatic int handle_exec(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head);

3568de757bac0b47256647504c186d17ca272f85rbb

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantzstatic APR_OPTIONAL_FN_TYPE(ap_register_include_handler) *cgid_pfn_reg_with_ssi;

3568de757bac0b47256647504c186d17ca272f85rbbstatic APR_OPTIONAL_FN_TYPE(ap_ssi_get_tag_and_value) *cgid_pfn_gtv;

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantzstatic APR_OPTIONAL_FN_TYPE(ap_ssi_parse_string) *cgid_pfn_ps;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefieldingstatic apr_pool_t *pcgi;

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantzstatic int total_modules = 0;

3568de757bac0b47256647504c186d17ca272f85rbbstatic pid_t daemon_pid;

fc1efab92032301e317f07e1b3a00082d9d71f3frbb

24b534291150023e6b68eca89ddd33e475ccddc0wrowe

24b534291150023e6b68eca89ddd33e475ccddc0wrowestatic int is_scriptaliased(request_rec *r)

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz{

3568de757bac0b47256647504c186d17ca272f85rbb const char *t = apr_table_get(r->notes, "alias-forced-type");

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz return t && (!strcasecmp(t, "cgi-script"));

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz}

3568de757bac0b47256647504c186d17ca272f85rbb

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

3568de757bac0b47256647504c186d17ca272f85rbb#define DEFAULT_LOGBYTES 10385760

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#define DEFAULT_BUFBYTES 1024

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#define DEFAULT_SOCKET "logs/cgisock"

3568de757bac0b47256647504c186d17ca272f85rbb

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#define CGI_REQ 1

3568de757bac0b47256647504c186d17ca272f85rbb#define SSI_REQ 2

3568de757bac0b47256647504c186d17ca272f85rbb

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#ifndef DEFAULT_CGID_LISTENBACKLOG

3568de757bac0b47256647504c186d17ca272f85rbb#define DEFAULT_CGID_LISTENBACKLOG 100

3568de757bac0b47256647504c186d17ca272f85rbb#endif

3568de757bac0b47256647504c186d17ca272f85rbb

3568de757bac0b47256647504c186d17ca272f85rbb#ifndef DEFAULT_CONNECT_ATTEMPTS

3568de757bac0b47256647504c186d17ca272f85rbb#define DEFAULT_CONNECT_ATTEMPTS 15

3568de757bac0b47256647504c186d17ca272f85rbb#endif

397df70abe0bdd78a84fb6c38c02641bcfeadceasf

397df70abe0bdd78a84fb6c38c02641bcfeadceasftypedef struct {

397df70abe0bdd78a84fb6c38c02641bcfeadceasf const char *sockname;

397df70abe0bdd78a84fb6c38c02641bcfeadceasf const char *logname;

397df70abe0bdd78a84fb6c38c02641bcfeadceasf long logbytes;

3568de757bac0b47256647504c186d17ca272f85rbb int bufbytes;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding} cgid_server_conf;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

64c351fd973428b5bb4c28e983fa86875ea4e60fdougmstatic char **create_argv(apr_pool_t *p, char *path, char *user, char *group,

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm char *av0, const char *args)

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick{

36c8049de63c446926139936c3d195330a0539cetrawick int x, numwords;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf char **av;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf char *w;

3568de757bac0b47256647504c186d17ca272f85rbb int idx = 0;

dd028aa8111afb6534fece555e8c2d408894671etrawick

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin /* count the number of keywords */

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin for (x = 0, numwords = 1; args[x]; x++) {

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin if (args[x] == '+') {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ++numwords;

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin }

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin }

ca53a74f4012a45cbad48e940eddf27d866981f9dougm

ca53a74f4012a45cbad48e940eddf27d866981f9dougm if (numwords > APACHE_ARG_MAX - 5) {

ca53a74f4012a45cbad48e940eddf27d866981f9dougm numwords = APACHE_ARG_MAX - 5; /* Truncate args to prevent overrun */

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin }

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin av = (char **) apr_pcalloc(p, (numwords + 5) * sizeof(char *));

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin

d90b36a9e6f6ea9a583694f4db5e5edd54a750b3minfrin if (path) {

dd028aa8111afb6534fece555e8c2d408894671etrawick av[idx++] = path;

dd028aa8111afb6534fece555e8c2d408894671etrawick }

6653a33e820463abd4f81915b7a1eba0f602e200brianp if (user) {

6653a33e820463abd4f81915b7a1eba0f602e200brianp av[idx++] = user;

6653a33e820463abd4f81915b7a1eba0f602e200brianp }

6653a33e820463abd4f81915b7a1eba0f602e200brianp if (group) {

6653a33e820463abd4f81915b7a1eba0f602e200brianp av[idx++] = group;

6653a33e820463abd4f81915b7a1eba0f602e200brianp }

6653a33e820463abd4f81915b7a1eba0f602e200brianp

6653a33e820463abd4f81915b7a1eba0f602e200brianp av[idx++] = apr_pstrdup(p, av0);

6653a33e820463abd4f81915b7a1eba0f602e200brianp

6653a33e820463abd4f81915b7a1eba0f602e200brianp for (x = 1; x <= numwords; x++) {

6653a33e820463abd4f81915b7a1eba0f602e200brianp w = ap_getword_nulls(p, &args, '+');

6653a33e820463abd4f81915b7a1eba0f602e200brianp if (strcmp(w, "")) {

6653a33e820463abd4f81915b7a1eba0f602e200brianp ap_unescape_url(w);

6653a33e820463abd4f81915b7a1eba0f602e200brianp av[idx++] = ap_escape_shell_cmd(p, w);

6653a33e820463abd4f81915b7a1eba0f602e200brianp }

6653a33e820463abd4f81915b7a1eba0f602e200brianp }

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick av[idx] = NULL;

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick return av;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf}

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf#if APR_HAS_OTHER_CHILD

49aa87d735a13ae3d04012ee0df91ddb51f7c36esfstatic void cgid_maint(int reason, void *data, apr_wait_t status)

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick{

239f998fbee5ac5b114b965bb76e217cce0003edstoddard pid_t *sd = data;

3568de757bac0b47256647504c186d17ca272f85rbb

3568de757bac0b47256647504c186d17ca272f85rbb switch (reason) {

3568de757bac0b47256647504c186d17ca272f85rbb case APR_OC_REASON_DEATH:

12901074f5d6b36d08be84d8637b6f2c21e0da26trawick case APR_OC_REASON_RESTART:

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard /* don't do anything; server is stopping or restarting */

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard apr_proc_other_child_unregister(data);

3568de757bac0b47256647504c186d17ca272f85rbb break;

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz case APR_OC_REASON_LOST:

48d2edbfb84e5559b5da0f8d614ccab805cc67a8rbb /* it would be better to restart just the cgid child

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding kill(getpid(), AP_SIG_GRACEFUL);

3568de757bac0b47256647504c186d17ca272f85rbb break;

3568de757bac0b47256647504c186d17ca272f85rbb case APR_OC_REASON_UNREGISTER:

3568de757bac0b47256647504c186d17ca272f85rbb /* we get here when pcgi is cleaned up; pcgi gets cleaned

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard kill(*sd, SIGHUP);

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard break;

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz}

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard#endif

9f979f5c8061f6f6f560d1824e0e378ff5b91931rpluem

9f979f5c8061f6f6f560d1824e0e378ff5b91931rpluemstatic int get_req(int fd, request_rec *r, char **argv0, char ***env, int *req_type)

9f979f5c8061f6f6f560d1824e0e378ff5b91931rpluem{

9f979f5c8061f6f6f560d1824e0e378ff5b91931rpluem int i, len, j, rc;

9f979f5c8061f6f6f560d1824e0e378ff5b91931rpluem unsigned char *data;

9f979f5c8061f6f6f560d1824e0e378ff5b91931rpluem char **environ;

9f979f5c8061f6f6f560d1824e0e378ff5b91931rpluem core_dir_config *temp_core;

e2de0e939faab767454a164c7d2e8ea710fd1a26sf void **dconf;

e2de0e939faab767454a164c7d2e8ea710fd1a26sf module *suexec_mod = ap_find_linked_module("mod_suexec.c");

e2de0e939faab767454a164c7d2e8ea710fd1a26sf

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard r->server = apr_pcalloc(r->pool, sizeof(server_rec));

9f979f5c8061f6f6f560d1824e0e378ff5b91931rpluem

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard rc = read(fd, req_type, sizeof(int));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (rc != sizeof(int)) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard return 1;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

f2e009134c7e279f99dfca5bd421f721bf1f7840jorton rc = read(fd, &j, sizeof(int));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (rc != sizeof(int)) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard return 1;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard rc = read(fd, &len, sizeof(int));

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (rc != sizeof(int)) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard return 1;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

3568de757bac0b47256647504c186d17ca272f85rbb

3568de757bac0b47256647504c186d17ca272f85rbb data = apr_pcalloc(r->pool, len + 1); /* get a cleared byte for final '\0' */

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick rc = read(fd, data, len);

7cd5419264796cfeaf8215383cf0f89130a81fectrawick if (rc != len) {

7cd5419264796cfeaf8215383cf0f89130a81fectrawick return 1;

7cd5419264796cfeaf8215383cf0f89130a81fectrawick }

7cd5419264796cfeaf8215383cf0f89130a81fectrawick

e8f95a682820a599fe41b22977010636be5c2717jim r->filename = ap_getword(r->pool, (const char **)&data, '\n');

98cd3186185bb28ae6c95a3f159899fcf56a663ftrawick *argv0 = ap_getword(r->pool, (const char **)&data, '\n');

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf r->uri = ap_getword(r->pool, (const char **)&data, '\n');

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf environ = apr_pcalloc(r->pool, (j + 2) *sizeof(char *));

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick i = 0;

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick for (i = 0; i < j; i++) {

3568de757bac0b47256647504c186d17ca272f85rbb environ[i] = ap_getword(r->pool, (const char **)&data, '\n');

a72ba68ecbbc61e4b513e50d6000245c33f753dcwrowe }

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm *env = environ;

397df70abe0bdd78a84fb6c38c02641bcfeadceasf r->args = ap_getword(r->pool, (const char **)&data, '\n');

397df70abe0bdd78a84fb6c38c02641bcfeadceasf

397df70abe0bdd78a84fb6c38c02641bcfeadceasf rc = read(fd, &i, sizeof(int));

397df70abe0bdd78a84fb6c38c02641bcfeadceasf if (rc != sizeof(int)) {

397df70abe0bdd78a84fb6c38c02641bcfeadceasf return 1;

397df70abe0bdd78a84fb6c38c02641bcfeadceasf }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm /* add 1, so that if i == 0, we still malloc something. */

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf dconf = (void **) apr_pcalloc(r->pool, sizeof(void *) * (total_modules + DYNAMIC_MODULE_LIMIT));

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf temp_core = (core_dir_config *)apr_palloc(r->pool, sizeof(core_module));

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf dconf[i] = (void *)temp_core;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

3cbd177a6c885562f9ad0cf11695f044489c881dgregames if (suexec_mod) {

3cbd177a6c885562f9ad0cf11695f044489c881dgregames suexec_config_t *suexec_cfg = apr_pcalloc(r->pool, sizeof(*suexec_cfg));

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard rc = read(fd, &i, sizeof(int));

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf if (rc != sizeof(int)) {

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf return 1;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf }

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf rc = read(fd, &suexec_cfg->ugid.uid, sizeof(uid_t));

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf if (rc != sizeof(uid_t)) {

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf return 1;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf }

5a0f707b48da7703cbe6bc087f13a6735b1c742dgregames rc = read(fd, &suexec_cfg->ugid.gid, sizeof(gid_t));

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (rc != sizeof(gid_t)) {

5a0f707b48da7703cbe6bc087f13a6735b1c742dgregames return 1;

5a0f707b48da7703cbe6bc087f13a6735b1c742dgregames }

5a0f707b48da7703cbe6bc087f13a6735b1c742dgregames rc = read(fd, &suexec_cfg->active, sizeof(int));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (rc != sizeof(int)) {

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm return 1;

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz dconf[i] = (void *)suexec_cfg;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

ad83978f20c7d1a4323059d9af122e56fcd353bdstoddard

7cd5419264796cfeaf8215383cf0f89130a81fectrawick r->per_dir_config = (ap_conf_vector_t *)dconf;

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#if 0

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#ifdef RLIMIT_CPU

7cd5419264796cfeaf8215383cf0f89130a81fectrawick read(fd, &j, sizeof(int));

7cd5419264796cfeaf8215383cf0f89130a81fectrawick if (j) {

7cd5419264796cfeaf8215383cf0f89130a81fectrawick temp_core->limit_cpu = (struct rlimit *)apr_palloc (sizeof(struct rlimit));

7cd5419264796cfeaf8215383cf0f89130a81fectrawick read(fd, temp_core->limit_cpu, sizeof(struct rlimit));

7cd5419264796cfeaf8215383cf0f89130a81fectrawick }

7cd5419264796cfeaf8215383cf0f89130a81fectrawick else {

4f017cb91aa6591385966ccaf0c326e6b2f2c2b8sf temp_core->limit_cpu = NULL;

7cd5419264796cfeaf8215383cf0f89130a81fectrawick }

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#endif

7cd5419264796cfeaf8215383cf0f89130a81fectrawick

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#if defined (RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)

7cd5419264796cfeaf8215383cf0f89130a81fectrawick read(fd, &j, sizeof(int));

7cd5419264796cfeaf8215383cf0f89130a81fectrawick if (j) {

7cd5419264796cfeaf8215383cf0f89130a81fectrawick temp_core->limit_mem = (struct rlimit *)apr_palloc(r->pool, sizeof(struct rlimit));

7cd5419264796cfeaf8215383cf0f89130a81fectrawick read(fd, temp_core->limit_mem, sizeof(struct rlimit));

7cd5419264796cfeaf8215383cf0f89130a81fectrawick }

4f017cb91aa6591385966ccaf0c326e6b2f2c2b8sf else {

7cd5419264796cfeaf8215383cf0f89130a81fectrawick temp_core->limit_mem = NULL;

7cd5419264796cfeaf8215383cf0f89130a81fectrawick }

ad83978f20c7d1a4323059d9af122e56fcd353bdstoddard#endif

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard#ifdef RLIMIT_NPROC

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard read(fd, &j, sizeof(int));

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (j) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard temp_core->limit_nproc = (struct rlimit *)apr_palloc(r->pool, sizeof(struct rlimit));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard read(fd, temp_core->limit_nproc, sizeof(struct rlimit));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard else {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard temp_core->limit_nproc = NULL;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

3568de757bac0b47256647504c186d17ca272f85rbb#endif

7cd5419264796cfeaf8215383cf0f89130a81fectrawick#endif

7cd5419264796cfeaf8215383cf0f89130a81fectrawick /* For right now, just make the notes table. At some point we will need

7cd5419264796cfeaf8215383cf0f89130a81fectrawick r->notes = apr_table_make(r->pool, 1);

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm

3568de757bac0b47256647504c186d17ca272f85rbb return 0;

3568de757bac0b47256647504c186d17ca272f85rbb}

74fd6d9aeadb9022086259c5c1ae00bc0dda9c9astoddard

72b6f1cf3e616473e1c26464b3193b13c2c09e87brianp

72b6f1cf3e616473e1c26464b3193b13c2c09e87brianp

3568de757bac0b47256647504c186d17ca272f85rbbstatic void send_req(int fd, request_rec *r, char *argv0, char **env, int req_type)

3568de757bac0b47256647504c186d17ca272f85rbb{

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard int len, r_type = req_type;

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf int i = 0;

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf char *data;

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf module *suexec_mod = ap_find_linked_module("mod_suexec.c");

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf

ddf3c03e4798f13fe6eea22039864261ea09da18sf data = apr_pstrcat(r->pool, r->filename, "\n", argv0, "\n", r->uri, "\n",

b5ffe4f30780fb159db08bd9f628980d2a092711sf NULL);

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard

1ce78cf71b5baaf2c1ab48e818cb1f2397df5010trawick for (i =0; env[i]; i++) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard continue;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz /* Write the request type (SSI "exec cmd" or cgi). */

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (write(fd, &r_type, sizeof(int)) < 0) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz "write to cgi daemon process");

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard /* Write the number of entries in the environment. */

01d315c948a50cb511dbaee108b9571ee9a4d287jim if (write(fd, &i, sizeof(int)) < 0) {

01d315c948a50cb511dbaee108b9571ee9a4d287jim ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

01d315c948a50cb511dbaee108b9571ee9a4d287jim "write to cgi daemon process");

dd028aa8111afb6534fece555e8c2d408894671etrawick }

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard for (i = 0; env[i]; i++) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard data = apr_pstrcat(r->pool, data, env[i], "\n", NULL);

3568de757bac0b47256647504c186d17ca272f85rbb }

3568de757bac0b47256647504c186d17ca272f85rbb data = apr_pstrcat(r->pool, data, r->args, NULL);

3568de757bac0b47256647504c186d17ca272f85rbb len = strlen(data);

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard /* Write the length of the concatenated env string. */

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (write(fd, &len, sizeof(int)) < 0) {

f714f1a7002928d785e53e70349700a7f595fee3trawick ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

f714f1a7002928d785e53e70349700a7f595fee3trawick "write to cgi daemon process");

3568de757bac0b47256647504c186d17ca272f85rbb }

ad83978f20c7d1a4323059d9af122e56fcd353bdstoddard /* Write the concatted env string. */

4a13940dc2990df0a798718d3a3f9cf1566c2217bjh if (write(fd, data, len) < 0) {

4a13940dc2990df0a798718d3a3f9cf1566c2217bjh ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

4a13940dc2990df0a798718d3a3f9cf1566c2217bjh "write to cgi daemon process");

4a13940dc2990df0a798718d3a3f9cf1566c2217bjh }

3568de757bac0b47256647504c186d17ca272f85rbb /* Write module_index id value. */

3568de757bac0b47256647504c186d17ca272f85rbb if (write(fd, &core_module.module_index, sizeof(int)) < 0) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

663237d6bcc59ac0997d71d48a1baa55fa29a3d8jim "write to cgi daemon process");

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (suexec_mod) {

3568de757bac0b47256647504c186d17ca272f85rbb suexec_config_t *suexec_cfg = ap_get_module_config(r->per_dir_config,

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard suexec_mod);

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard

663237d6bcc59ac0997d71d48a1baa55fa29a3d8jim write(fd, &suexec_mod->module_index, sizeof(int));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard write(fd, &suexec_cfg->ugid.uid, sizeof(uid_t));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard write(fd, &suexec_cfg->ugid.gid, sizeof(gid_t));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard write(fd, &suexec_cfg->active, sizeof(int));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard#if 0

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard#ifdef RLIMIT_CPU

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (conf->limit_cpu) {

3568de757bac0b47256647504c186d17ca272f85rbb len = 1;

ad83978f20c7d1a4323059d9af122e56fcd353bdstoddard write(fd, &len, sizeof(int));

4a13940dc2990df0a798718d3a3f9cf1566c2217bjh write(fd, conf->limit_cpu, sizeof(struct rlimit));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard else {

3568de757bac0b47256647504c186d17ca272f85rbb len = 0;

4a13940dc2990df0a798718d3a3f9cf1566c2217bjh write(fd, &len, sizeof(int));

4a13940dc2990df0a798718d3a3f9cf1566c2217bjh }

4a13940dc2990df0a798718d3a3f9cf1566c2217bjh#endif

3568de757bac0b47256647504c186d17ca272f85rbb

3568de757bac0b47256647504c186d17ca272f85rbb#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)

663237d6bcc59ac0997d71d48a1baa55fa29a3d8jim if (conf->limit_mem) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard len = 1;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard write(fd, &len, sizeof(int));

3568de757bac0b47256647504c186d17ca272f85rbb write(fd, conf->limit_mem, sizeof(struct rlimit));

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz }

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard else {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard len = 0;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard write(fd, &len, sizeof(int));

3568de757bac0b47256647504c186d17ca272f85rbb }

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard#endif

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard#ifdef RLIMIT_NPROC

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (conf->limit_nproc) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard len = 1;

3568de757bac0b47256647504c186d17ca272f85rbb write(fd, &len, sizeof(int));

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard write(fd, conf->limit_nproc, sizeof(struct rlimit));

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz else {

3568de757bac0b47256647504c186d17ca272f85rbb len = 0;

3568de757bac0b47256647504c186d17ca272f85rbb write(fd, &len, sizeof(int));

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz#endif

3568de757bac0b47256647504c186d17ca272f85rbb#endif

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard}

3568de757bac0b47256647504c186d17ca272f85rbb

49aa87d735a13ae3d04012ee0df91ddb51f7c36esfstatic int cgid_server(void *data)

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf{

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf struct sockaddr_un unix_addr;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf int sd, sd2, rc, req_type;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf mode_t omask;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf apr_socklen_t len;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf apr_pool_t *ptrans;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf server_rec *main_server = data;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf cgid_server_conf *sconf = ap_get_module_config(main_server->module_config,

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf &cgid_module);

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf apr_pool_create(&ptrans, pcgi);

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf apr_signal(SIGCHLD, SIG_IGN);

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf if (unlink(sconf->sockname) < 0 && errno != ENOENT) {

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf "Couldn't unlink unix domain socket %s",

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf sconf->sockname);

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf /* just a warning; don't bail out */

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf }

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf "Couldn't create unix domain socket");

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf return errno;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf }

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf memset(&unix_addr, 0, sizeof(unix_addr));

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf unix_addr.sun_family = AF_UNIX;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf strcpy(unix_addr.sun_path, sconf->sockname);

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf omask = umask(0077); /* so that only Apache can use socket */

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf rc = bind(sd, (struct sockaddr *)&unix_addr, sizeof(unix_addr));

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf umask(omask); /* can't fail, so can't clobber errno */

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf if (rc < 0) {

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf "Couldn't bind unix domain socket %s",

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf sconf->sockname);

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf return errno;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf }

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf if (listen(sd, DEFAULT_CGID_LISTENBACKLOG) < 0) {

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf "Couldn't listen on unix domain socket");

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf return errno;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf }

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf if (!geteuid()) {

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf if (chown(sconf->sockname, unixd_config.user_id, -1) < 0) {

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf "Couldn't change owner of unix domain socket %s",

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf sconf->sockname);

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf return errno;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf }

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf }

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf unixd_setup_child(); /* if running as root, switch to configured user/group */

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf while (1) {

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf int errfileno = STDERR_FILENO;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf char *argv0;

3568de757bac0b47256647504c186d17ca272f85rbb char **env;

3568de757bac0b47256647504c186d17ca272f85rbb const char * const *argv;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf apr_int32_t in_pipe;

3568de757bac0b47256647504c186d17ca272f85rbb apr_int32_t out_pipe;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard apr_int32_t err_pipe;

3568de757bac0b47256647504c186d17ca272f85rbb apr_cmdtype_e cmd_type;

d69e1ed15b5db3d832c1f6c8c403ef397248857atrawick request_rec *r;

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick apr_procattr_t *procattr = NULL;

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick apr_proc_t *procnew = NULL;

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick apr_file_t *inout;

d69e1ed15b5db3d832c1f6c8c403ef397248857atrawick

d69e1ed15b5db3d832c1f6c8c403ef397248857atrawick apr_pool_clear(ptrans);

d69e1ed15b5db3d832c1f6c8c403ef397248857atrawick

d69e1ed15b5db3d832c1f6c8c403ef397248857atrawick len = sizeof(unix_addr);

d69e1ed15b5db3d832c1f6c8c403ef397248857atrawick sd2 = accept(sd, (struct sockaddr *)&unix_addr, &len);

d69e1ed15b5db3d832c1f6c8c403ef397248857atrawick if (sd2 < 0) {

d69e1ed15b5db3d832c1f6c8c403ef397248857atrawick if (errno != EINTR) {

beb70d51e435dc36c56a72b6cd83556c04db9283wrowe ap_log_error(APLOG_MARK, APLOG_ERR, errno,

fe6baec9bbcd36f932b71a355120cd7b5a685d6cfielding (server_rec *)data,

3568de757bac0b47256647504c186d17ca272f85rbb "Error accepting on cgid socket");

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf }

3568de757bac0b47256647504c186d17ca272f85rbb continue;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

3568de757bac0b47256647504c186d17ca272f85rbb

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf r = apr_pcalloc(ptrans, sizeof(request_rec));

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf procnew = apr_pcalloc(ptrans, sizeof(*procnew));

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf r->pool = ptrans;

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf rc = get_req(sd2, r, &argv0, &env, &req_type);

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf if (rc) {

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf ap_log_error(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0,

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf main_server,

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf "Error reading request on cgid socket");

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf close(sd2);

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf continue;

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf }

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf apr_os_file_put(&r->server->error_log, &errfileno, 0, r->pool);

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf apr_os_file_put(&inout, &sd2, 0, r->pool);

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard if (req_type == SSI_REQ) {

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard in_pipe = APR_NO_PIPE;

8e9734d1a4af74c141e2a0f880bb51bb061fa03atrawick out_pipe = APR_FULL_BLOCK;

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf err_pipe = APR_NO_PIPE;

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf cmd_type = APR_SHELLCMD;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard }

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick else {

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick in_pipe = APR_CHILD_BLOCK;

3568de757bac0b47256647504c186d17ca272f85rbb out_pipe = APR_CHILD_BLOCK;

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard err_pipe = APR_CHILD_BLOCK;

cb97ae2ff6969c2789b8e03f1bc4187fa73b6bafwrowe cmd_type = APR_PROGRAM;

0f113d7123e8bd3e3e2e9b6373461a1a773bfccatrawick }

0f113d7123e8bd3e3e2e9b6373461a1a773bfccatrawick

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (((rc = apr_procattr_create(&procattr, ptrans)) != APR_SUCCESS) ||

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard ((req_type == CGI_REQ) &&

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard (((rc = apr_procattr_io_set(procattr,

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard in_pipe,

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard out_pipe,

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard err_pipe)) != APR_SUCCESS) ||

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard /* XXX apr_procattr_child_*_set() is creating an unnecessary

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf ((rc = apr_procattr_child_err_set(procattr, r->server->error_log, NULL)) != APR_SUCCESS) ||

8dfa8c6f60f12e0b65eebbb652b629f911f0f84bsf ((rc = apr_procattr_child_in_set(procattr, inout, NULL)) != APR_SUCCESS))) ||

c0659e61002e9d6ff77b2dca72540e0af1b2ca64stoddard ((rc = apr_procattr_child_out_set(procattr, inout, NULL)) != APR_SUCCESS) ||

3568de757bac0b47256647504c186d17ca272f85rbb ((rc = apr_procattr_dir_set(procattr,

3568de757bac0b47256647504c186d17ca272f85rbb ap_make_dirstr_parent(r->pool, r->filename))) != APR_SUCCESS) ||

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick ((rc = apr_procattr_cmdtype_set(procattr, cmd_type)) != APR_SUCCESS)) {

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick /* Something bad happened, tell the world. */

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "couldn't set child process attributes: %s", r->filename);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick }

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick else {

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick argv = (const char * const *)create_argv(r->pool, NULL, NULL, NULL, argv0, r->args);

f886987cd0bd4220c14043c4d9be77ec22902e73trawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick /* We want to close sd2 for the new CGI process too.

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz close(sd2);

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

a72ba68ecbbc61e4b513e50d6000245c33f753dcwrowe rc = ap_os_create_privileged_process(r, procnew, argv0, argv,

2e7f1d7da527c09e717251e186deffe55e6fbd0ftrawick (const char * const *)env,

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm procattr, ptrans);

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm if (rc != APR_SUCCESS) {

2e7f1d7da527c09e717251e186deffe55e6fbd0ftrawick /* Bad things happened. Everyone should have cleaned up. */

2e7f1d7da527c09e717251e186deffe55e6fbd0ftrawick ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,

2e7f1d7da527c09e717251e186deffe55e6fbd0ftrawick "couldn't create child process: %d: %s", rc, r->filename);

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm }

3568de757bac0b47256647504c186d17ca272f85rbb }

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz return -1;

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz}

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

e8f95a682820a599fe41b22977010636be5c2717jimstatic int cgid_init(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp,

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm server_rec *main_server)

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz{

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz apr_proc_t *procnew;

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz void *data;

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm int first_time = 0;

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm const char *userdata_key = "cgid_init";

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm module **m;

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm apr_pool_userdata_get(&data, userdata_key, main_server->process->pool);

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm if (!data) {

36c8049de63c446926139936c3d195330a0539cetrawick first_time = 1;

36c8049de63c446926139936c3d195330a0539cetrawick apr_pool_userdata_set((const void *)1, userdata_key,

36c8049de63c446926139936c3d195330a0539cetrawick apr_pool_cleanup_null, main_server->process->pool);

36c8049de63c446926139936c3d195330a0539cetrawick }

36c8049de63c446926139936c3d195330a0539cetrawick

36c8049de63c446926139936c3d195330a0539cetrawick if (!first_time) {

36c8049de63c446926139936c3d195330a0539cetrawick total_modules = 0;

36c8049de63c446926139936c3d195330a0539cetrawick for (m = ap_preloaded_modules; *m != NULL; m++)

e8f95a682820a599fe41b22977010636be5c2717jim total_modules++;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm if ((daemon_pid = fork()) < 0) {

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "Couldn't spawn cgid daemon process");

36c8049de63c446926139936c3d195330a0539cetrawick /* XXX should we return a failure here ? */

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick }

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick else if (daemon_pid == 0) {

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick apr_pool_create(&pcgi, p);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_server(main_server);

cb97ae2ff6969c2789b8e03f1bc4187fa73b6bafwrowe exit(-1);

36c8049de63c446926139936c3d195330a0539cetrawick }

36c8049de63c446926139936c3d195330a0539cetrawick procnew = apr_pcalloc(p, sizeof(*procnew));

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick procnew->pid = daemon_pid;

e8f95a682820a599fe41b22977010636be5c2717jim procnew->err = procnew->in = procnew->out = NULL;

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm apr_pool_note_subprocess(p, procnew, APR_KILL_AFTER_TIMEOUT);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick#if APR_HAS_OTHER_CHILD

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick apr_proc_other_child_register(procnew, cgid_maint, &procnew->pid, NULL, p);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick#endif

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_pfn_reg_with_ssi = APR_RETRIEVE_OPTIONAL_FN(ap_register_include_handler);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_pfn_gtv = APR_RETRIEVE_OPTIONAL_FN(ap_ssi_get_tag_and_value);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_pfn_ps = APR_RETRIEVE_OPTIONAL_FN(ap_ssi_parse_string);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick if ((cgid_pfn_reg_with_ssi) && (cgid_pfn_gtv) && (cgid_pfn_ps)) {

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick /* Required by mod_include filter. This is how mod_cgid registers

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_pfn_reg_with_ssi("exec", handle_exec);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick }

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick }

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick return OK;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick}

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawickstatic void *create_cgid_config(apr_pool_t *p, server_rec *s)

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick{

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_server_conf *c =

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick (cgid_server_conf *) apr_pcalloc(p, sizeof(cgid_server_conf));

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick c->logname = NULL;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick c->logbytes = DEFAULT_LOGBYTES;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick c->bufbytes = DEFAULT_BUFBYTES;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick c->sockname = ap_server_root_relative(p, DEFAULT_SOCKET);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick return c;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick}

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawickstatic void *merge_cgid_config(apr_pool_t *p, void *basev, void *overridesv)

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick{

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_server_conf *base = (cgid_server_conf *) basev, *overrides = (cgid_server_conf *) overridesv;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick return overrides->logname ? overrides : base;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick}

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

e8f95a682820a599fe41b22977010636be5c2717jimstatic const char *set_scriptlog(cmd_parms *cmd, void *dummy, const char *arg)

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick{

f886987cd0bd4220c14043c4d9be77ec22902e73trawick server_rec *s = cmd->server;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_server_conf *conf = ap_get_module_config(s->module_config,

f886987cd0bd4220c14043c4d9be77ec22902e73trawick &cgid_module);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

f886987cd0bd4220c14043c4d9be77ec22902e73trawick conf->logname = ap_server_root_relative(cmd->pool, arg);

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm if (!conf->logname) {

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm return apr_pstrcat(cmd->pool, "Invalid ScriptLog path ",

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm arg, NULL);

3568de757bac0b47256647504c186d17ca272f85rbb }

72b6f1cf3e616473e1c26464b3193b13c2c09e87brianp return NULL;

72b6f1cf3e616473e1c26464b3193b13c2c09e87brianp}

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawickstatic const char *set_scriptlog_length(cmd_parms *cmd, void *dummy, const char *arg)

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick{

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick server_rec *s = cmd->server;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_server_conf *conf = ap_get_module_config(s->module_config,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick &cgid_module);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick conf->logbytes = atol(arg);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick return NULL;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick}

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

64c351fd973428b5bb4c28e983fa86875ea4e60fdougmstatic const char *set_scriptlog_buffer(cmd_parms *cmd, void *dummy, const char *arg)

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick{

f2e009134c7e279f99dfca5bd421f721bf1f7840jorton server_rec *s = cmd->server;

f2e009134c7e279f99dfca5bd421f721bf1f7840jorton cgid_server_conf *conf = ap_get_module_config(s->module_config,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick &cgid_module);

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick conf->bufbytes = atoi(arg);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick return NULL;

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm}

2e7f1d7da527c09e717251e186deffe55e6fbd0ftrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawickstatic const char *set_script_socket(cmd_parms *cmd, void *dummy, const char *arg)

36c8049de63c446926139936c3d195330a0539cetrawick{

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick server_rec *s = cmd->server;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick cgid_server_conf *conf = ap_get_module_config(s->module_config,

f886987cd0bd4220c14043c4d9be77ec22902e73trawick &cgid_module);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

cb97ae2ff6969c2789b8e03f1bc4187fa73b6bafwrowe conf->sockname = ap_server_root_relative(cmd->pool, arg);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

36c8049de63c446926139936c3d195330a0539cetrawick if (!conf->sockname) {

36c8049de63c446926139936c3d195330a0539cetrawick return apr_pstrcat(cmd->pool, "Invalid Scriptsock path ",

36c8049de63c446926139936c3d195330a0539cetrawick arg, NULL);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick }

e8f95a682820a599fe41b22977010636be5c2717jim

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm return NULL;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick}

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawickstatic const command_rec cgid_cmds[] =

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick{

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick AP_INIT_TAKE1("ScriptLog", set_scriptlog, NULL, RSRC_CONF,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "the name of a log for script debugging info"),

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick AP_INIT_TAKE1("ScriptLogLength", set_scriptlog_length, NULL, RSRC_CONF,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "the maximum length (in bytes) of the script debug log"),

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick AP_INIT_TAKE1("ScriptLogBuffer", set_scriptlog_buffer, NULL, RSRC_CONF,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "the maximum size (in bytes) to record of a POST request"),

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick AP_INIT_TAKE1("Scriptsock", set_script_socket, NULL, RSRC_CONF,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "the name of the socket to use for communication with "

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "the cgi daemon."),

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick {NULL}

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick};

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawickstatic int log_scripterror(request_rec *r, cgid_server_conf * conf, int ret,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick apr_status_t rv, char *error)

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick{

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick apr_file_t *f = NULL;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick struct stat finfo;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick char time_str[APR_CTIME_LEN];

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick int log_flags = rv ? APLOG_ERR : APLOG_NOERRNO | APLOG_ERR;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick ap_log_rerror(APLOG_MARK, log_flags, rv, r,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick "%s: %s", error, r->filename);

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick /* XXX Very expensive mainline case! Open, then getfileinfo! */

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick if (!conf->logname ||

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick ((stat(conf->logname, &finfo) == 0)

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick && (finfo.st_size > conf->logbytes)) ||

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick (apr_file_open(&f, conf->logname,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick APR_APPEND|APR_WRITE|APR_CREATE, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick return ret;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick }

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick /* "%% [Wed Jun 19 10:53:21 1996] GET /cgid-bin/printenv HTTP/1.0" */

e8f95a682820a599fe41b22977010636be5c2717jim apr_ctime(time_str, apr_time_now());

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick apr_file_printf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick r->args ? "?" : "", r->args ? r->args : "", r->protocol);

f886987cd0bd4220c14043c4d9be77ec22902e73trawick /* "%% 500 /usr/local/apache/cgid-bin */

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick apr_file_printf(f, "%%%% %d %s\n", ret, r->filename);

f886987cd0bd4220c14043c4d9be77ec22902e73trawick

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick apr_file_printf(f, "%%error\n%s\n", error);

f886987cd0bd4220c14043c4d9be77ec22902e73trawick

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm apr_file_close(f);

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm return ret;

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm}

64c351fd973428b5bb4c28e983fa86875ea4e60fdougm

3568de757bac0b47256647504c186d17ca272f85rbbstatic int log_script(request_rec *r, cgid_server_conf * conf, int ret,

72b6f1cf3e616473e1c26464b3193b13c2c09e87brianp char *dbuf, const char *sbuf, apr_file_t *script_in, apr_file_t *script_err)

72b6f1cf3e616473e1c26464b3193b13c2c09e87brianp{

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick const apr_array_header_t *hdrs_arr = apr_table_elts(r->headers_in);

e8f95a682820a599fe41b22977010636be5c2717jim const apr_table_entry_t *hdrs = (apr_table_entry_t *) hdrs_arr->elts;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick char argsbuffer[HUGE_STRING_LEN];

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick apr_file_t *f = NULL;

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick int i;

e8f95a682820a599fe41b22977010636be5c2717jim struct stat finfo;

44d2e75323651320b480d8bc2f098448a08de4fcwrowe char time_str[APR_CTIME_LEN];

44d2e75323651320b480d8bc2f098448a08de4fcwrowe

44d2e75323651320b480d8bc2f098448a08de4fcwrowe /* XXX Very expensive mainline case! Open, then getfileinfo! */

44d2e75323651320b480d8bc2f098448a08de4fcwrowe if (!conf->logname ||

44d2e75323651320b480d8bc2f098448a08de4fcwrowe ((stat(conf->logname, &finfo) == 0)

44d2e75323651320b480d8bc2f098448a08de4fcwrowe && (finfo.st_size > conf->logbytes)) ||

44d2e75323651320b480d8bc2f098448a08de4fcwrowe (apr_file_open(&f, conf->logname,

44d2e75323651320b480d8bc2f098448a08de4fcwrowe APR_APPEND|APR_WRITE|APR_CREATE, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {

44d2e75323651320b480d8bc2f098448a08de4fcwrowe /* Soak up script output */

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick while (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

2e7f1d7da527c09e717251e186deffe55e6fbd0ftrawick script_in) == APR_SUCCESS)

2e7f1d7da527c09e717251e186deffe55e6fbd0ftrawick continue;

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (script_err) {

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick while (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz script_err) == APR_SUCCESS)

1ec8bd0373f11c07688ec9afbbf778cf78a0bc52wrowe continue;

3568de757bac0b47256647504c186d17ca272f85rbb }

1ec8bd0373f11c07688ec9afbbf778cf78a0bc52wrowe return ret;

1ec8bd0373f11c07688ec9afbbf778cf78a0bc52wrowe }

1ec8bd0373f11c07688ec9afbbf778cf78a0bc52wrowe

f886987cd0bd4220c14043c4d9be77ec22902e73trawick /* "%% [Wed Jun 19 10:53:21 1996] GET /cgid-bin/printenv HTTP/1.0" */

f886987cd0bd4220c14043c4d9be77ec22902e73trawick apr_ctime(time_str, apr_time_now());

f886987cd0bd4220c14043c4d9be77ec22902e73trawick apr_file_printf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,

f886987cd0bd4220c14043c4d9be77ec22902e73trawick r->args ? "?" : "", r->args ? r->args : "", r->protocol);

f886987cd0bd4220c14043c4d9be77ec22902e73trawick /* "%% 500 /usr/local/apache/cgid-bin" */

f886987cd0bd4220c14043c4d9be77ec22902e73trawick apr_file_printf(f, "%%%% %d %s\n", ret, r->filename);

f886987cd0bd4220c14043c4d9be77ec22902e73trawick

1ec8bd0373f11c07688ec9afbbf778cf78a0bc52wrowe apr_file_puts("%request\n", f);

1ec8bd0373f11c07688ec9afbbf778cf78a0bc52wrowe for (i = 0; i < hdrs_arr->nelts; ++i) {

1ec8bd0373f11c07688ec9afbbf778cf78a0bc52wrowe if (!hdrs[i].key)

1ec8bd0373f11c07688ec9afbbf778cf78a0bc52wrowe continue;

3568de757bac0b47256647504c186d17ca272f85rbb apr_file_printf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz }

8bfe865d8d61be4ba4a89e45427a3c4211ebabdctrawick if ((r->method_number == M_POST || r->method_number == M_PUT)

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz && *dbuf) {

3568de757bac0b47256647504c186d17ca272f85rbb apr_file_printf(f, "\n%s\n", dbuf);

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz apr_file_puts("%response\n", f);

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz hdrs_arr = apr_table_elts(r->err_headers_out);

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz hdrs = (const apr_table_entry_t *) hdrs_arr->elts;

3568de757bac0b47256647504c186d17ca272f85rbb

3568de757bac0b47256647504c186d17ca272f85rbb for (i = 0; i < hdrs_arr->nelts; ++i) {

98fb535f829e2a95aabd82420931f476661fa8e3jorton if (!hdrs[i].key)

98fb535f829e2a95aabd82420931f476661fa8e3jorton continue;

e8f95a682820a599fe41b22977010636be5c2717jim apr_file_printf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);

e8f95a682820a599fe41b22977010636be5c2717jim }

98fb535f829e2a95aabd82420931f476661fa8e3jorton

98fb535f829e2a95aabd82420931f476661fa8e3jorton if (sbuf && *sbuf)

e8f95a682820a599fe41b22977010636be5c2717jim apr_file_printf(f, "%s\n", sbuf);

98fb535f829e2a95aabd82420931f476661fa8e3jorton

98fb535f829e2a95aabd82420931f476661fa8e3jorton if (apr_file_gets(argsbuffer, HUGE_STRING_LEN, script_in) == APR_SUCCESS) {

98fb535f829e2a95aabd82420931f476661fa8e3jorton apr_file_puts("%stdout\n", f);

3568de757bac0b47256647504c186d17ca272f85rbb apr_file_puts(argsbuffer, f);

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz while (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz script_in) == APR_SUCCESS)

3568de757bac0b47256647504c186d17ca272f85rbb apr_file_puts(argsbuffer, f);

3568de757bac0b47256647504c186d17ca272f85rbb apr_file_puts("\n", f);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (script_err) {

85c5af648e9f414bd4f157490766d2fd5515a9f5rpluem if (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe script_err) == APR_SUCCESS) {

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe apr_file_puts("%stderr\n", f);

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe apr_file_puts(argsbuffer, f);

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe while (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe script_err) == APR_SUCCESS)

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe apr_file_puts(argsbuffer, f);

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe apr_file_puts("\n", f);

85c5af648e9f414bd4f157490766d2fd5515a9f5rpluem }

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe }

3568de757bac0b47256647504c186d17ca272f85rbb

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz apr_file_close(script_in);

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz if (script_err) {

3568de757bac0b47256647504c186d17ca272f85rbb apr_file_close(script_err);

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz

3568de757bac0b47256647504c186d17ca272f85rbb apr_file_close(f);

3568de757bac0b47256647504c186d17ca272f85rbb return ret;

3568de757bac0b47256647504c186d17ca272f85rbb}

3568de757bac0b47256647504c186d17ca272f85rbb

3568de757bac0b47256647504c186d17ca272f85rbbstatic apr_status_t close_unix_socket(void *thefd)

3568de757bac0b47256647504c186d17ca272f85rbb{

ec020ca384efb30d501a5af796ddc3bb237d7b8fgregames int fd = (int)thefd;

3568de757bac0b47256647504c186d17ca272f85rbb

ce03576b2434cec77f2921db9d5b6a0510581c23rederpj return close(fd);

397df70abe0bdd78a84fb6c38c02641bcfeadceasf}

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawick

cd8f8c995d415473f3bfb0b329b2450f2a722c3atrawickstatic int connect_to_daemon(int *sdptr, request_rec *r,

397df70abe0bdd78a84fb6c38c02641bcfeadceasf cgid_server_conf *conf)

397df70abe0bdd78a84fb6c38c02641bcfeadceasf{

397df70abe0bdd78a84fb6c38c02641bcfeadceasf struct sockaddr_un unix_addr;

397df70abe0bdd78a84fb6c38c02641bcfeadceasf int sd;

397df70abe0bdd78a84fb6c38c02641bcfeadceasf int connect_tries;

49aa87d735a13ae3d04012ee0df91ddb51f7c36esf apr_interval_time_t sliding_timer;

9d0665da83d1e22c0ea0e5f6f940f70f75bf5237ianh

3568de757bac0b47256647504c186d17ca272f85rbb memset(&unix_addr, 0, sizeof(unix_addr));

3568de757bac0b47256647504c186d17ca272f85rbb unix_addr.sun_family = AF_UNIX;

7cd5419264796cfeaf8215383cf0f89130a81fectrawick strcpy(unix_addr.sun_path, conf->sockname);

7cd5419264796cfeaf8215383cf0f89130a81fectrawick

7cd5419264796cfeaf8215383cf0f89130a81fectrawick connect_tries = 0;

7cd5419264796cfeaf8215383cf0f89130a81fectrawick sliding_timer = 100000; /* 100 milliseconds */

7cd5419264796cfeaf8215383cf0f89130a81fectrawick while (1) {

7cd5419264796cfeaf8215383cf0f89130a81fectrawick ++connect_tries;

7cd5419264796cfeaf8215383cf0f89130a81fectrawick if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {

73e8b26287de5c06fa470d36162e103dbac9c7e5wrowe return log_scripterror(r, conf, HTTP_INTERNAL_SERVER_ERROR, errno,

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding "unable to create socket to cgi daemon");

b980ad7fdc218b4855cde9f75a747527f50c554dwrowe }

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe if (connect(sd, (struct sockaddr *)&unix_addr, sizeof(unix_addr)) < 0) {

3568de757bac0b47256647504c186d17ca272f85rbb if (errno == ECONNREFUSED && connect_tries < DEFAULT_CONNECT_ATTEMPTS) {

7cd5419264796cfeaf8215383cf0f89130a81fectrawick ap_log_rerror(APLOG_MARK, APLOG_DEBUG, errno, r,

7cd5419264796cfeaf8215383cf0f89130a81fectrawick "connect #%d to cgi daemon failed, sleeping before retry",

7cd5419264796cfeaf8215383cf0f89130a81fectrawick connect_tries);

ca53a74f4012a45cbad48e940eddf27d866981f9dougm close(sd);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_sleep(sliding_timer);

36ef8f77bffe75d1aa327882be1b5bdbe2ff567asf if (sliding_timer < 2 * APR_USEC_PER_SEC) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding sliding_timer *= 2;

302dc1f7b3feee23a91ad8f3cf3cb2edd95a557bmanoj }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz }

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz else {

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz close(sd);

28c170ac8e99644de58cad454c6e0f9b4b359be6jerenkrantz return log_scripterror(r, conf, HTTP_SERVICE_UNAVAILABLE, errno,

0cb6873985efbf0cc9644114925df6baa4b32d5awrowe "unable to connect to cgi daemon after multiple tries");

3568de757bac0b47256647504c186d17ca272f85rbb }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

3568de757bac0b47256647504c186d17ca272f85rbb else {

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

apr_pool_cleanup_null);

break; /* we got connected! */

}

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

if (kill(daemon_pid, 0) != 0) {

return log_scripterror(r, conf, HTTP_SERVICE_UNAVAILABLE, errno,

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

}

}

*sdptr = sd;

return OK;

}

static int cgid_handler(request_rec *r)

{

int retval, nph, dbpos = 0;

char *argv0, *dbuf = NULL;

apr_bucket_brigade *bb;

apr_bucket *b;

char argsbuffer[HUGE_STRING_LEN];

cgid_server_conf *conf;

int is_included;

int sd;

char **env;

apr_file_t *tempsock;

apr_size_t nbytes;

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

return DECLINED;

if (r->method_number == M_OPTIONS) {

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

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

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

return DECLINED;

}

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

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

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

argv0++;

else

argv0 = r->filename;

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

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

argv0++;

else

argv0 = r->filename;

if (!(ap_allow_options(r) & OPT_EXECCGI) && !is_scriptaliased(r))

return log_scripterror(r, conf, HTTP_FORBIDDEN, 0,

"Options ExecCGI is off in this directory");

if (nph && is_included)

return log_scripterror(r, conf, HTTP_FORBIDDEN, 0,

"attempt to include NPH CGI script");

#if defined(OS2) || defined(WIN32)

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

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

#else

if (r->finfo.filetype == 0)

return log_scripterror(r, conf, HTTP_NOT_FOUND, 0,

"script not found or unable to stat");

#endif

if (r->finfo.filetype == APR_DIR)

return log_scripterror(r, conf, HTTP_FORBIDDEN, 0,

"attempt to invoke directory as script");

if (r->path_info && *r->path_info && !r->used_path_info) {

return log_scripterror(r, conf, HTTP_NOT_FOUND, 0,

"AcceptPathInfo off disallows user's path");

}

ap_add_common_vars(r);

ap_add_cgi_vars(r);

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

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

return retval;

}

send_req(sd, r, argv0, env, CGI_REQ);

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

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

if ((retval = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)))

return retval;

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

argv0++;

else

argv0 = r->filename;

/* Transfer any put/post args, CERN style...

if (ap_should_client_block(r)) {

int dbsize, len_read;

if (conf->logname) {

dbuf = apr_pcalloc(r->pool, conf->bufbytes + 1);

dbpos = 0;

}

while ((len_read =

ap_get_client_block(r, argsbuffer, HUGE_STRING_LEN)) > 0) {

if (conf->logname) {

if ((dbpos + len_read) > conf->bufbytes) {

dbsize = conf->bufbytes - dbpos;

}

else {

dbsize = len_read;

}

memcpy(dbuf + dbpos, argsbuffer, dbsize);

dbpos += dbsize;

}

nbytes = len_read;

apr_file_write(tempsock, argsbuffer, &nbytes);

if (nbytes < len_read) {

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

while (ap_get_client_block(r, argsbuffer, HUGE_STRING_LEN) > 0) {

/* dump it */

}

break;

}

}

}

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

shutdown(sd, 1);

/* Handle script return... */

if (!nph) {

const char *location;

char sbuf[MAX_STRING_LEN];

int ret;

if ((ret = ap_scan_script_header_err(r, tempsock, sbuf))) {

return log_script(r, conf, ret, dbuf, sbuf, tempsock, NULL);

}

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

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

/* Soak up all the script output */

while (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

tempsock) == APR_SUCCESS) {

continue;

}

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

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

r->method_number = M_GET;

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

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

ap_internal_redirect_handler(location, r);

return OK;

}

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

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

return HTTP_MOVED_TEMPORARILY;

}

if (!r->header_only) {

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

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

bb = apr_brigade_create(r->pool);

b = apr_bucket_pipe_create(tempsock);

APR_BRIGADE_INSERT_TAIL(bb, b);

b = apr_bucket_eos_create();

APR_BRIGADE_INSERT_TAIL(bb, b);

ap_pass_brigade(r->output_filters, bb);

}

}

if (nph) {

struct ap_filter_t *cur;

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

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

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

cur = r->proto_output_filters;

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

cur = cur->next;

}

r->output_filters = r->proto_output_filters = cur;

bb = apr_brigade_create(r->pool);

b = apr_bucket_pipe_create(tempsock);

APR_BRIGADE_INSERT_TAIL(bb, b);

b = apr_bucket_eos_create();

APR_BRIGADE_INSERT_TAIL(bb, b);

ap_pass_brigade(r->output_filters, bb);

}

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

}

static int include_cgi(char *s, request_rec *r, ap_filter_t *next,

apr_bucket *head_ptr, apr_bucket **inserted_head)

{

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

int rr_status;

apr_bucket *tmp_buck, *tmp2_buck;

if (rr->status != HTTP_OK) {

ap_destroy_sub_req(rr);

return -1;

}

/* No hardwired path info or query allowed */

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

ap_destroy_sub_req(rr);

return -1;

}

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

ap_destroy_sub_req(rr);

return -1;

}

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

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

rr->args = r->args;

/* Force sub_req to be treated as a CGI request, even if ordinary

ap_set_content_type(rr, CGI_MAGIC_TYPE);

/* Run it. */

rr_status = ap_run_sub_req(rr);

if (ap_is_HTTP_REDIRECT(rr_status)) {

apr_size_t len_loc;

const char *location = apr_table_get(rr->headers_out, "Location");

location = ap_escape_html(rr->pool, location);

len_loc = strlen(location);

/* XXX: if most of this stuff is going to get copied anyway,

tmp_buck = apr_bucket_immortal_create("<A HREF=\"",

sizeof("<A HREF=\"") - 1);

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);

tmp2_buck = apr_bucket_heap_create(location, len_loc, 1);

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp2_buck);

tmp2_buck = apr_bucket_immortal_create("\">", sizeof("\">") - 1);

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp2_buck);

tmp2_buck = apr_bucket_heap_create(location, len_loc, 1);

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp2_buck);

tmp2_buck = apr_bucket_immortal_create("</A>", sizeof("</A>") - 1);

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp2_buck);

if (*inserted_head == NULL) {

*inserted_head = tmp_buck;

}

}

ap_destroy_sub_req(rr);

return 0;

}

static void add_ssi_vars(request_rec *r, ap_filter_t *next)

{

apr_table_t *e = r->subprocess_env;

if (r->path_info && r->path_info[0] != '\0') {

request_rec *pa_req;

apr_table_setn(e, "PATH_INFO", ap_escape_shell_cmd(r->pool, r->path_info));

pa_req = ap_sub_req_lookup_uri(ap_escape_uri(r->pool, r->path_info), r, next);

if (pa_req->filename) {

apr_table_setn(e, "PATH_TRANSLATED",

apr_pstrcat(r->pool, pa_req->filename, pa_req->path_info, NULL));

}

ap_destroy_sub_req(pa_req);

}

if (r->args) {

char *arg_copy = apr_pstrdup(r->pool, r->args);

apr_table_setn(e, "QUERY_STRING", r->args);

ap_unescape_url(arg_copy);

apr_table_setn(e, "QUERY_STRING_UNESCAPED", ap_escape_shell_cmd(r->pool, arg_copy));

}

}

static int include_cmd(include_ctx_t *ctx, apr_bucket_brigade **bb, char *command,

request_rec *r, ap_filter_t *f)

{

char **env;

const char *location;

int sd;

apr_status_t rc = APR_SUCCESS;