d5d794fc2f4cc9ca6d6da17cfa2cdcd8d244bacdnd

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "apr_lib.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "apr_strings.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "apr_general.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "apr_file_io.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "apr_portable.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "apr_buckets.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "apr_optional.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "apr_signal.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#define APR_WANT_STRFUNC

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "apr_want.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#if APR_HAVE_SYS_SOCKET_H

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include <sys/socket.h>

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#endif

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#if APR_HAVE_UNISTD_H

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include <unistd.h>

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#endif

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#if APR_HAVE_SYS_TYPES_H

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include <sys/types.h>

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#endif

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "util_filter.h"

90efa9f1730742d874edb5a7803adce11c9f08eanoodl#include "httpd.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "http_config.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "http_request.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "http_core.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "http_protocol.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "http_main.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "http_log.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "util_script.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "ap_mpm.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "mpm_common.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "mod_suexec.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "../filters/mod_include.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include "mod_core.h"

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include <sys/stat.h>

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#include <sys/un.h> /* for sockaddr_un */

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#if APR_HAVE_STRUCT_RLIMIT

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#if defined (RLIMIT_CPU) || defined (RLIMIT_NPROC) || defined (RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#define AP_CGID_USE_RLIMIT

3139522a1418fa699dfd78dcf8dde54253f2c55cnoirin#endif

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna#endif

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquernamodule AP_MODULE_DECLARE_DATA cgid_module;

7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic int cgid_start(apr_pool_t *p, server_rec *main_server, apr_proc_t *procnew);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic int cgid_init(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *main_server);

313bb560bc5c323cfd40c9cad7335b4b8e060aedkessstatic int handle_exec(include_ctx_t *ctx, ap_filter_t *f, apr_bucket_brigade *bb);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic APR_OPTIONAL_FN_TYPE(ap_register_include_handler) *cgid_pfn_reg_with_ssi;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic APR_OPTIONAL_FN_TYPE(ap_ssi_get_tag_and_value) *cgid_pfn_gtv;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic APR_OPTIONAL_FN_TYPE(ap_ssi_parse_string) *cgid_pfn_ps;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

18b4b0fd6056093002ddef488636bf5ebe415ef0erikabelestatic apr_pool_t *pcgi = NULL;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic int total_modules = 0;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic pid_t daemon_pid;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic int daemon_should_exit = 0;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic server_rec *root_server = NULL;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic apr_pool_t *root_pool = NULL;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic const char *sockname;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic struct sockaddr_un *server_addr;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic apr_socklen_t server_addr_len;

fb77c505254b6e9c925e23e734463e87574f8f40kessstatic pid_t parent_pid;

fb77c505254b6e9c925e23e734463e87574f8f40kessstatic ap_unix_identity_t empty_ugid = { (uid_t)-1, (gid_t)-1, -1 };

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivetypedef struct {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_interval_time_t timeout;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive} cgid_dirconf;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#define DAEMON_STARTUP_ERROR 254

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic void discard_script_output(apr_bucket_brigade *bb);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic ap_unix_identity_t *cgid_suexec_id_doer(const request_rec *r)

fb77c505254b6e9c925e23e734463e87574f8f40kess{

fb77c505254b6e9c925e23e734463e87574f8f40kess return (ap_unix_identity_t *)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ap_get_module_config(r->request_config, &cgid_module);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

fb77c505254b6e9c925e23e734463e87574f8f40kess

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic int is_scriptaliased(request_rec *r)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive{

fb77c505254b6e9c925e23e734463e87574f8f40kess const char *t = apr_table_get(r->notes, "alias-forced-type");

fb77c505254b6e9c925e23e734463e87574f8f40kess return t && (!strcasecmp(t, "cgi-script"));

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

fb77c505254b6e9c925e23e734463e87574f8f40kess

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd#define DEFAULT_LOGBYTES 10385760

130d299c4b2b15be45532a176604c71fdc7bea5bnd#define DEFAULT_BUFBYTES 1024

130d299c4b2b15be45532a176604c71fdc7bea5bnd#define DEFAULT_SOCKET "cgisock"

130d299c4b2b15be45532a176604c71fdc7bea5bnd

130d299c4b2b15be45532a176604c71fdc7bea5bnd#define CGI_REQ 1

130d299c4b2b15be45532a176604c71fdc7bea5bnd#define SSI_REQ 2

ef8e89e090461194ecadd31e8796a2c51e0531a2kess#define GETPID_REQ 3 /* get the pid of script created for prior request */

130d299c4b2b15be45532a176604c71fdc7bea5bnd

130d299c4b2b15be45532a176604c71fdc7bea5bnd#define ERRFN_USERDATA_KEY "CGIDCHILDERRFN"

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd#ifndef DEFAULT_CGID_LISTENBACKLOG

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#define DEFAULT_CGID_LISTENBACKLOG 100

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd#ifndef DEFAULT_CONNECT_ATTEMPTS

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd#define DEFAULT_CONNECT_ATTEMPTS 15

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivetypedef struct {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive const char *logname;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive long logbytes;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int bufbytes;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive} cgid_server_conf;

130d299c4b2b15be45532a176604c71fdc7bea5bnd

130d299c4b2b15be45532a176604c71fdc7bea5bnd#ifdef AP_CGID_USE_RLIMIT

130d299c4b2b15be45532a176604c71fdc7bea5bndtypedef struct {

130d299c4b2b15be45532a176604c71fdc7bea5bnd#ifdef RLIMIT_CPU

130d299c4b2b15be45532a176604c71fdc7bea5bnd int limit_cpu_set;

130d299c4b2b15be45532a176604c71fdc7bea5bnd struct rlimit limit_cpu;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int limit_mem_set;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive struct rlimit limit_mem;

1a3f62ca37273a15a06bb94a61d3c6fcf4bf38c9rbowen#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#ifdef RLIMIT_NPROC

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int limit_nproc_set;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive struct rlimit limit_nproc;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#endif

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding

684f2a9a422185adda0692a1203c5ad6687fc5c5nd} cgid_rlimit_t;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd#endif

530eba85dbd41b8a0fa5255d3648d1440199a661slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivetypedef struct {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int req_type; /* request type (CGI_REQ, SSI_REQ, etc.) */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive unsigned long conn_id; /* connection id; daemon uses this as a hash value

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding pid_t ppid; /* sanity check for config problems leading to

684f2a9a422185adda0692a1203c5ad6687fc5c5nd int env_count;

a8ce9095d102e43fecb81093a132b90b9a227f78kess ap_unix_identity_t ugid;

684f2a9a422185adda0692a1203c5ad6687fc5c5nd apr_size_t filename_len;

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding apr_size_t argv0_len;

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding apr_size_t uri_len;

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding apr_size_t args_len;

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding int loglevel; /* to stuff in server_rec */

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding#ifdef AP_CGID_USE_RLIMIT

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding cgid_rlimit_t limits;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#endif

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd} cgid_req_t;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd

843a03fe0b138a4c1f64cb90a014e9417ac30691fieldingstatic char **create_argv(apr_pool_t *p, char *path, char *user, char *group,

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding char *av0, const char *args)

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding{

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding int x, numwords;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive char **av;

843a03fe0b138a4c1f64cb90a014e9417ac30691fielding char *w;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int idx = 0;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

58699879a562774640b95e9eedfd891f336e38c2nd if (!(*args) || ap_strchr_c(args, '=')) {

58699879a562774640b95e9eedfd891f336e38c2nd numwords = 0;

58699879a562774640b95e9eedfd891f336e38c2nd }

fb77c505254b6e9c925e23e734463e87574f8f40kess else {

fb77c505254b6e9c925e23e734463e87574f8f40kess /* count the number of keywords */

58699879a562774640b95e9eedfd891f336e38c2nd

58699879a562774640b95e9eedfd891f336e38c2nd for (x = 0, numwords = 1; args[x]; x++) {

58699879a562774640b95e9eedfd891f336e38c2nd if (args[x] == '+') {

58699879a562774640b95e9eedfd891f336e38c2nd ++numwords;

a2920e90d95fa04c15bdbbc03e7f8636eac92423slive }

58699879a562774640b95e9eedfd891f336e38c2nd }

58699879a562774640b95e9eedfd891f336e38c2nd }

58699879a562774640b95e9eedfd891f336e38c2nd

58699879a562774640b95e9eedfd891f336e38c2nd if (numwords > APACHE_ARG_MAX - 5) {

a2920e90d95fa04c15bdbbc03e7f8636eac92423slive numwords = APACHE_ARG_MAX - 5; /* Truncate args to prevent overrun */

a2920e90d95fa04c15bdbbc03e7f8636eac92423slive }

a2920e90d95fa04c15bdbbc03e7f8636eac92423slive av = (char **) apr_pcalloc(p, (numwords + 5) * sizeof(char *));

58699879a562774640b95e9eedfd891f336e38c2nd

fb77c505254b6e9c925e23e734463e87574f8f40kess if (path) {

fb77c505254b6e9c925e23e734463e87574f8f40kess av[idx++] = path;

fb77c505254b6e9c925e23e734463e87574f8f40kess }

fb77c505254b6e9c925e23e734463e87574f8f40kess if (user) {

fb77c505254b6e9c925e23e734463e87574f8f40kess av[idx++] = user;

58699879a562774640b95e9eedfd891f336e38c2nd }

58699879a562774640b95e9eedfd891f336e38c2nd if (group) {

58699879a562774640b95e9eedfd891f336e38c2nd av[idx++] = group;

58699879a562774640b95e9eedfd891f336e38c2nd }

58699879a562774640b95e9eedfd891f336e38c2nd

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess av[idx++] = apr_pstrdup(p, av0);

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess

58699879a562774640b95e9eedfd891f336e38c2nd for (x = 1; x <= numwords; x++) {

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess w = ap_getword_nulls(p, &args, '+');

58699879a562774640b95e9eedfd891f336e38c2nd ap_unescape_url(w);

58699879a562774640b95e9eedfd891f336e38c2nd av[idx++] = ap_escape_shell_cmd(p, w);

fb77c505254b6e9c925e23e734463e87574f8f40kess }

fb77c505254b6e9c925e23e734463e87574f8f40kess av[idx] = NULL;

fb77c505254b6e9c925e23e734463e87574f8f40kess return av;

58699879a562774640b95e9eedfd891f336e38c2nd}

58699879a562774640b95e9eedfd891f336e38c2nd

58699879a562774640b95e9eedfd891f336e38c2nd#if APR_HAS_OTHER_CHILD

58699879a562774640b95e9eedfd891f336e38c2ndstatic void cgid_maint(int reason, void *data, apr_wait_t status)

58699879a562774640b95e9eedfd891f336e38c2nd{

58699879a562774640b95e9eedfd891f336e38c2nd apr_proc_t *proc = data;

58699879a562774640b95e9eedfd891f336e38c2nd int mpm_state;

58699879a562774640b95e9eedfd891f336e38c2nd int stopping;

58699879a562774640b95e9eedfd891f336e38c2nd

58699879a562774640b95e9eedfd891f336e38c2nd switch (reason) {

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess case APR_OC_REASON_DEATH:

4a7affccb2f1f5b94cab395e1bf3825aed715ebcnd apr_proc_other_child_unregister(data);

9b5e2c5e769dc678a1aca06df75c32022b2f1492trawick /* If apache is not terminating or restarting,

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess stopping = 1; /* if MPM doesn't support query,

4a7affccb2f1f5b94cab395e1bf3825aed715ebcnd if (ap_mpm_query(AP_MPMQ_MPM_STATE, &mpm_state) == APR_SUCCESS &&

9b5e2c5e769dc678a1aca06df75c32022b2f1492trawick mpm_state != AP_MPMQ_STOPPING) {

4a7affccb2f1f5b94cab395e1bf3825aed715ebcnd stopping = 0;

4a7affccb2f1f5b94cab395e1bf3825aed715ebcnd }

4a7affccb2f1f5b94cab395e1bf3825aed715ebcnd if (!stopping) {

4a7affccb2f1f5b94cab395e1bf3825aed715ebcnd if (status == DAEMON_STARTUP_ERROR) {

58699879a562774640b95e9eedfd891f336e38c2nd ap_log_error(APLOG_MARK, APLOG_CRIT, 0, ap_server_conf, APLOGNO(01238)

58699879a562774640b95e9eedfd891f336e38c2nd "cgid daemon failed to initialize");

58699879a562774640b95e9eedfd891f336e38c2nd }

58699879a562774640b95e9eedfd891f336e38c2nd else {

58699879a562774640b95e9eedfd891f336e38c2nd ap_log_error(APLOG_MARK, APLOG_ERR, 0, ap_server_conf, APLOGNO(01239)

4a7affccb2f1f5b94cab395e1bf3825aed715ebcnd "cgid daemon process died, restarting");

58699879a562774640b95e9eedfd891f336e38c2nd cgid_start(root_pool, root_server, proc);

58699879a562774640b95e9eedfd891f336e38c2nd }

77ead9e0262e4f08ec336d1a65b2edef7705c839nd }

77ead9e0262e4f08ec336d1a65b2edef7705c839nd break;

9583adab6bc4b3758e41963c905d9dad9f067131nd case APR_OC_REASON_RESTART:

77ead9e0262e4f08ec336d1a65b2edef7705c839nd /* don't do anything; server is stopping or restarting */

77ead9e0262e4f08ec336d1a65b2edef7705c839nd apr_proc_other_child_unregister(data);

77ead9e0262e4f08ec336d1a65b2edef7705c839nd break;

77ead9e0262e4f08ec336d1a65b2edef7705c839nd case APR_OC_REASON_LOST:

77ead9e0262e4f08ec336d1a65b2edef7705c839nd /* Restart the child cgid daemon process */

77ead9e0262e4f08ec336d1a65b2edef7705c839nd apr_proc_other_child_unregister(data);

77ead9e0262e4f08ec336d1a65b2edef7705c839nd cgid_start(root_pool, root_server, proc);

77ead9e0262e4f08ec336d1a65b2edef7705c839nd break;

77ead9e0262e4f08ec336d1a65b2edef7705c839nd case APR_OC_REASON_UNREGISTER:

77ead9e0262e4f08ec336d1a65b2edef7705c839nd /* we get here when pcgi is cleaned up; pcgi gets cleaned

77ead9e0262e4f08ec336d1a65b2edef7705c839nd kill(proc->pid, SIGHUP); /* send signal to daemon telling it to die */

77ead9e0262e4f08ec336d1a65b2edef7705c839nd

77ead9e0262e4f08ec336d1a65b2edef7705c839nd /* Remove the cgi socket, we must do it here in order to try and

77ead9e0262e4f08ec336d1a65b2edef7705c839nd if (unlink(sockname) < 0 && errno != ENOENT) {

9b5e2c5e769dc678a1aca06df75c32022b2f1492trawick ap_log_error(APLOG_MARK, APLOG_ERR, errno, ap_server_conf, APLOGNO(01240)

77ead9e0262e4f08ec336d1a65b2edef7705c839nd "Couldn't unlink unix domain socket %s",

77ead9e0262e4f08ec336d1a65b2edef7705c839nd sockname);

77ead9e0262e4f08ec336d1a65b2edef7705c839nd }

77ead9e0262e4f08ec336d1a65b2edef7705c839nd break;

77ead9e0262e4f08ec336d1a65b2edef7705c839nd }

77ead9e0262e4f08ec336d1a65b2edef7705c839nd}

77ead9e0262e4f08ec336d1a65b2edef7705c839nd#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic apr_status_t close_unix_socket(void *thefd)

003f0c9fda6664daf5092a0e42f65ede20098153slive{

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess int fd = (int)((long)thefd);

fb77c505254b6e9c925e23e734463e87574f8f40kess

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd return close(fd);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

fb77c505254b6e9c925e23e734463e87574f8f40kessstatic apr_status_t sock_read(int fd, void *vbuf, size_t buf_size)

fb77c505254b6e9c925e23e734463e87574f8f40kess{

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess char *buf = vbuf;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int rc;

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess size_t bytes_read = 0;

10673857794a4b3d9568ca2d983722a87ed352f1rbowen

fb77c505254b6e9c925e23e734463e87574f8f40kess do {

b12b918ae6baf9c5762ed61b7393d0e2198378c0nd do {

b12b918ae6baf9c5762ed61b7393d0e2198378c0nd rc = read(fd, buf + bytes_read, buf_size - bytes_read);

b12b918ae6baf9c5762ed61b7393d0e2198378c0nd } while (rc < 0 && errno == EINTR);

b12b918ae6baf9c5762ed61b7393d0e2198378c0nd switch(rc) {

10673857794a4b3d9568ca2d983722a87ed352f1rbowen case -1:

10673857794a4b3d9568ca2d983722a87ed352f1rbowen return errno;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive case 0: /* unexpected */

fb77c505254b6e9c925e23e734463e87574f8f40kess return ECONNRESET;

fb77c505254b6e9c925e23e734463e87574f8f40kess default:

fb77c505254b6e9c925e23e734463e87574f8f40kess bytes_read += rc;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive } while (bytes_read < buf_size);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return APR_SUCCESS;

fb77c505254b6e9c925e23e734463e87574f8f40kess}

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic apr_status_t sock_write(int fd, const void *buf, size_t buf_size)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive{

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int rc;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive do {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive rc = write(fd, buf, buf_size);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive } while (rc < 0 && errno == EINTR);

1f53e295ebd19aed1767d12da7abfab9936c148cjerenkrantz if (rc < 0) {

1f53e295ebd19aed1767d12da7abfab9936c148cjerenkrantz return errno;

9ed9eaf871c58d281af02e76125ceadb5060afa5nd }

9cd3b05d7b70f07a742bbaf548fa4fa2bdbe5ce6noodl

9cd3b05d7b70f07a742bbaf548fa4fa2bdbe5ce6noodl return APR_SUCCESS;

1f53e295ebd19aed1767d12da7abfab9936c148cjerenkrantz}

9cd3b05d7b70f07a742bbaf548fa4fa2bdbe5ce6noodl

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic apr_status_t sock_writev(int fd, request_rec *r, int count, ...)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive{

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive va_list ap;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int rc;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive struct iovec *vec;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int i;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive vec = (struct iovec *)apr_palloc(r->pool, count * sizeof(struct iovec));

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive va_start(ap, count);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive for (i = 0; i < count; i++) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive vec[i].iov_base = va_arg(ap, caddr_t);

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess vec[i].iov_len = va_arg(ap, apr_size_t);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem va_end(ap);

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem do {

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem rc = writev(fd, vec, count);

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem } while (rc < 0 && errno == EINTR);

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem if (rc < 0) {

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem return errno;

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem }

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem return APR_SUCCESS;

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem}

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluemstatic apr_status_t get_req(int fd, request_rec *r, char **argv0, char ***env,

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem cgid_req_t *req)

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem{

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem int i;

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem char **environ;

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem core_request_config *temp_core;

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem void **rconf;

5528d1a30ae8560e2d7a96d734ffe31500dc6113rpluem apr_status_t stat;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive r->server = apr_pcalloc(r->pool, sizeof(server_rec));

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* read the request header */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive stat = sock_read(fd, req, sizeof(*req));

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (stat != APR_SUCCESS) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return stat;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive r->server->log.level = req->loglevel;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (req->req_type == GETPID_REQ) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* no more data sent for this request */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return APR_SUCCESS;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* handle module indexes and such */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive rconf = (void **)ap_create_request_config(r->pool);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive temp_core = (core_request_config *)apr_palloc(r->pool, sizeof(core_module));

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive rconf[AP_CORE_MODULE_INDEX] = (void *)temp_core;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive r->request_config = (ap_conf_vector_t *)rconf;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ap_set_module_config(r->request_config, &cgid_module, (void *)&req->ugid);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* Read the filename, argv0, uri, and args */

9ed9eaf871c58d281af02e76125ceadb5060afa5nd r->filename = apr_pcalloc(r->pool, req->filename_len + 1);

9ed9eaf871c58d281af02e76125ceadb5060afa5nd *argv0 = apr_pcalloc(r->pool, req->argv0_len + 1);

9ed9eaf871c58d281af02e76125ceadb5060afa5nd r->uri = apr_pcalloc(r->pool, req->uri_len + 1);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if ((stat = sock_read(fd, r->filename, req->filename_len)) != APR_SUCCESS ||

103a93c625bcde1a6a7a5155b64dcda36f612180pquerna (stat = sock_read(fd, *argv0, req->argv0_len)) != APR_SUCCESS ||

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive (stat = sock_read(fd, r->uri, req->uri_len)) != APR_SUCCESS) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return stat;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

103a93c625bcde1a6a7a5155b64dcda36f612180pquerna r->args = apr_pcalloc(r->pool, req->args_len + 1); /* empty string if no args */

103a93c625bcde1a6a7a5155b64dcda36f612180pquerna if (req->args_len) {

f23fb63b05f89f47d7a3099491f2c68dcce432e9kess if ((stat = sock_read(fd, r->args, req->args_len)) != APR_SUCCESS) {

f23fb63b05f89f47d7a3099491f2c68dcce432e9kess return stat;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* read the environment variables */

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd environ = apr_pcalloc(r->pool, (req->env_count + 2) *sizeof(char *));

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd for (i = 0; i < req->env_count; i++) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd apr_size_t curlen;

b12b918ae6baf9c5762ed61b7393d0e2198378c0nd

b12b918ae6baf9c5762ed61b7393d0e2198378c0nd if ((stat = sock_read(fd, &curlen, sizeof(curlen))) != APR_SUCCESS) {

b12b918ae6baf9c5762ed61b7393d0e2198378c0nd return stat;

b12b918ae6baf9c5762ed61b7393d0e2198378c0nd }

da637bcae7b6e150470e701af29da5604a34a17erbowen environ[i] = apr_pcalloc(r->pool, curlen + 1);

da637bcae7b6e150470e701af29da5604a34a17erbowen if ((stat = sock_read(fd, environ[i], curlen)) != APR_SUCCESS) {

da637bcae7b6e150470e701af29da5604a34a17erbowen return stat;

da637bcae7b6e150470e701af29da5604a34a17erbowen }

da637bcae7b6e150470e701af29da5604a34a17erbowen }

da637bcae7b6e150470e701af29da5604a34a17erbowen *env = environ;

da637bcae7b6e150470e701af29da5604a34a17erbowen

da637bcae7b6e150470e701af29da5604a34a17erbowen#ifdef AP_CGID_USE_RLIMIT

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if ((stat = sock_read(fd, &(req->limits), sizeof(cgid_rlimit_t))) != APR_SUCCESS)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return stat;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

54bcd0e21a5c79158afd3b78bf707a493a5fb33crbowen return APR_SUCCESS;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholesstatic apr_status_t send_req(int fd, request_rec *r, char *argv0, char **env,

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes int req_type)

fb77c505254b6e9c925e23e734463e87574f8f40kess{

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes int i;

fb77c505254b6e9c925e23e734463e87574f8f40kess cgid_req_t req = {0};

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes apr_status_t stat;

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes ap_unix_identity_t * ugid = ap_run_get_suexec_identity(r);

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes core_dir_config *core_conf = ap_get_core_module_config(r->per_dir_config);

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes if (ugid == NULL) {

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes req.ugid = empty_ugid;

fb77c505254b6e9c925e23e734463e87574f8f40kess } else {

fb77c505254b6e9c925e23e734463e87574f8f40kess memcpy(&req.ugid, ugid, sizeof(ap_unix_identity_t));

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess }

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes req.req_type = req_type;

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes req.ppid = parent_pid;

4c7bdb15764021d39e486adb7bc2166d3f683773bnicholes req.conn_id = r->connection->id;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive for (req.env_count = 0; env[req.env_count]; req.env_count++) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive continue;

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess }

fb77c505254b6e9c925e23e734463e87574f8f40kess req.filename_len = strlen(r->filename);

fb77c505254b6e9c925e23e734463e87574f8f40kess req.argv0_len = strlen(argv0);

fb77c505254b6e9c925e23e734463e87574f8f40kess req.uri_len = strlen(r->uri);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive req.args_len = r->args ? strlen(r->args) : 0;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive req.loglevel = r->server->log.level;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* Write the request header */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (req.args_len) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive stat = sock_writev(fd, r, 5,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive &req, sizeof(req),

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive r->filename, req.filename_len,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive argv0, req.argv0_len,

5bb5fba250bf526bc51d13b25378d54acb93c1cbnoodl r->uri, req.uri_len,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive r->args, req.args_len);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive } else {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive stat = sock_writev(fd, r, 4,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive &req, sizeof(req),

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive r->filename, req.filename_len,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive argv0, req.argv0_len,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive r->uri, req.uri_len);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (stat != APR_SUCCESS) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd return stat;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd }

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd /* write the environment variables */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive for (i = 0; i < req.env_count; i++) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_size_t curlen = strlen(env[i]);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if ((stat = sock_writev(fd, r, 2, &curlen, sizeof(curlen),

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive env[i], curlen)) != APR_SUCCESS) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return stat;

fb77c505254b6e9c925e23e734463e87574f8f40kess }

fb77c505254b6e9c925e23e734463e87574f8f40kess }

fb77c505254b6e9c925e23e734463e87574f8f40kess#if defined(RLIMIT_CPU) && defined(AP_CGID_USE_RLIMIT)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (core_conf->limit_cpu) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive req.limits.limit_cpu = *(core_conf->limit_cpu);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive req.limits.limit_cpu_set = 1;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive else {

003f0c9fda6664daf5092a0e42f65ede20098153slive req.limits.limit_cpu_set = 0;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

e4881891552e185a7408318dfc7f62ebabe73cf6niq#endif

76f2a3125fb6aca59d43b02220dabac91175a281slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#if defined(AP_CGID_USE_RLIMIT) && (defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS))

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (core_conf->limit_mem) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive req.limits.limit_mem = *(core_conf->limit_mem);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive req.limits.limit_mem_set = 1;

ccf2a600dd72cc3c3c44f5d4126d9bb60fa83894takashi }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive else {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive req.limits.limit_mem_set = 0;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

c14037646789087319802aaada2e8534ccab0158slive

c14037646789087319802aaada2e8534ccab0158slive#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

dcfabbc1bf4b0aa835e0c5ba7da3e8d12d8299c7niq#if defined(RLIMIT_NPROC) && defined(AP_CGID_USE_RLIMIT)

dcfabbc1bf4b0aa835e0c5ba7da3e8d12d8299c7niq if (core_conf->limit_nproc) {

dcfabbc1bf4b0aa835e0c5ba7da3e8d12d8299c7niq req.limits.limit_nproc = *(core_conf->limit_nproc);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive req.limits.limit_nproc_set = 1;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd else {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd req.limits.limit_nproc_set = 0;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd }

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd#endif

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess

fb77c505254b6e9c925e23e734463e87574f8f40kess#ifdef AP_CGID_USE_RLIMIT

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if ( (stat = sock_write(fd, &(req.limits), sizeof(cgid_rlimit_t))) != APR_SUCCESS)

dcfabbc1bf4b0aa835e0c5ba7da3e8d12d8299c7niq return stat;

dcfabbc1bf4b0aa835e0c5ba7da3e8d12d8299c7niq#endif

dcfabbc1bf4b0aa835e0c5ba7da3e8d12d8299c7niq

dcfabbc1bf4b0aa835e0c5ba7da3e8d12d8299c7niq return APR_SUCCESS;

e4881891552e185a7408318dfc7f62ebabe73cf6niq}

e4881891552e185a7408318dfc7f62ebabe73cf6niq

e4881891552e185a7408318dfc7f62ebabe73cf6niqstatic void daemon_signal_handler(int sig)

ccf2a600dd72cc3c3c44f5d4126d9bb60fa83894takashi{

e4881891552e185a7408318dfc7f62ebabe73cf6niq if (sig == SIGHUP) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ++daemon_should_exit;

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

313bb560bc5c323cfd40c9cad7335b4b8e060aedkessstatic void cgid_child_errfn(apr_pool_t *pool, apr_status_t err,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive const char *description)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive{

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive request_rec *r;

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl void *vr;

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl apr_pool_userdata_get(&vr, ERRFN_USERDATA_KEY, pool);

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl r = vr;

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl /* sure we got r, but don't call ap_log_rerror() because we don't

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl ap_log_error(APLOG_MARK, APLOG_ERR, err, r->server, APLOGNO(01241) "%s", description);

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl}

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodlstatic int cgid_server(void *data)

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl{

6e483e0b8aa3fa574288a7452221392a03e2b9a3noodl int sd, sd2, rc;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive mode_t omask;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_pool_t *ptrans;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive server_rec *main_server = data;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_hash_t *script_hash = apr_hash_make(pcgi);

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd apr_status_t rv;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_pool_create(&ptrans, pcgi);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_signal(SIGCHLD, SIG_IGN);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_signal(SIGHUP, daemon_signal_handler);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* Close our copy of the listening sockets */

003f0c9fda6664daf5092a0e42f65ede20098153slive ap_close_listeners();

003f0c9fda6664daf5092a0e42f65ede20098153slive

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd /* cgid should use its own suexec doer */

003f0c9fda6664daf5092a0e42f65ede20098153slive ap_hook_get_suexec_identity(cgid_suexec_id_doer, NULL, NULL,

fb77c505254b6e9c925e23e734463e87574f8f40kess APR_HOOK_REALLY_FIRST);

fb77c505254b6e9c925e23e734463e87574f8f40kess apr_hook_sort_all();

fb77c505254b6e9c925e23e734463e87574f8f40kess

fb77c505254b6e9c925e23e734463e87574f8f40kess if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {

003f0c9fda6664daf5092a0e42f65ede20098153slive ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server, APLOGNO(01242)

003f0c9fda6664daf5092a0e42f65ede20098153slive "Couldn't create unix domain socket");

003f0c9fda6664daf5092a0e42f65ede20098153slive return errno;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd }

130d299c4b2b15be45532a176604c71fdc7bea5bnd

130d299c4b2b15be45532a176604c71fdc7bea5bnd omask = umask(0077); /* so that only Apache can use socket */

130d299c4b2b15be45532a176604c71fdc7bea5bnd rc = bind(sd, (struct sockaddr *)server_addr, server_addr_len);

130d299c4b2b15be45532a176604c71fdc7bea5bnd umask(omask); /* can't fail, so can't clobber errno */

130d299c4b2b15be45532a176604c71fdc7bea5bnd if (rc < 0) {

130d299c4b2b15be45532a176604c71fdc7bea5bnd ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server, APLOGNO(01243)

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd "Couldn't bind unix domain socket %s",

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd sockname);

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd return errno;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd }

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd /* Not all flavors of unix use the current umask for AF_UNIX perms */

fb77c505254b6e9c925e23e734463e87574f8f40kess rv = apr_file_perms_set(sockname, APR_FPROT_UREAD|APR_FPROT_UWRITE|APR_FPROT_UEXECUTE);

fb77c505254b6e9c925e23e734463e87574f8f40kess if (rv != APR_SUCCESS) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd ap_log_error(APLOG_MARK, APLOG_CRIT, rv, main_server, APLOGNO(01244)

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd "Couldn't set permissions on unix domain socket %s",

b06660a3ed3d885e15d99c0209a46c4657df33fbrbowen sockname);

030108b1816bcda3d925df65357feabdce83bc94slive return rv;

030108b1816bcda3d925df65357feabdce83bc94slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd if (listen(sd, DEFAULT_CGID_LISTENBACKLOG) < 0) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server, APLOGNO(01245)

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd "Couldn't listen on unix domain socket");

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd return errno;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd }

fb77c505254b6e9c925e23e734463e87574f8f40kess

fb77c505254b6e9c925e23e734463e87574f8f40kess if (!geteuid()) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (chown(sockname, ap_unixd_config.user_id, -1) < 0) {

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server, APLOGNO(01246)

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess "Couldn't change owner of unix domain socket %s",

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess sockname);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return errno;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_pool_cleanup_register(pcgi, (void *)((long)sd),

130d299c4b2b15be45532a176604c71fdc7bea5bnd close_unix_socket, close_unix_socket);

130d299c4b2b15be45532a176604c71fdc7bea5bnd

130d299c4b2b15be45532a176604c71fdc7bea5bnd /* if running as root, switch to configured user/group */

130d299c4b2b15be45532a176604c71fdc7bea5bnd if ((rc = ap_run_drop_privileges(pcgi, ap_server_conf)) != 0) {

130d299c4b2b15be45532a176604c71fdc7bea5bnd return rc;

130d299c4b2b15be45532a176604c71fdc7bea5bnd }

130d299c4b2b15be45532a176604c71fdc7bea5bnd

130d299c4b2b15be45532a176604c71fdc7bea5bnd while (!daemon_should_exit) {

130d299c4b2b15be45532a176604c71fdc7bea5bnd int errfileno = STDERR_FILENO;

130d299c4b2b15be45532a176604c71fdc7bea5bnd char *argv0 = NULL;

130d299c4b2b15be45532a176604c71fdc7bea5bnd char **env = NULL;

130d299c4b2b15be45532a176604c71fdc7bea5bnd const char * const *argv;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd apr_int32_t in_pipe;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd apr_int32_t out_pipe;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_int32_t err_pipe;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_cmdtype_e cmd_type;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive request_rec *r;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_procattr_t *procattr = NULL;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_proc_t *procnew = NULL;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_t *inout;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cgid_req_t cgid_req;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_status_t stat;

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess void *key;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_socklen_t len;

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess struct sockaddr_un unix_addr;

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess apr_pool_clear(ptrans);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive len = sizeof(unix_addr);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive sd2 = accept(sd, (struct sockaddr *)&unix_addr, &len);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (sd2 < 0) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#if defined(ENETDOWN)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (errno == ENETDOWN) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* The network has been shut down, no need to continue. Die gracefully */

130d299c4b2b15be45532a176604c71fdc7bea5bnd ++daemon_should_exit;

130d299c4b2b15be45532a176604c71fdc7bea5bnd }

130d299c4b2b15be45532a176604c71fdc7bea5bnd#endif

130d299c4b2b15be45532a176604c71fdc7bea5bnd if (errno != EINTR) {

130d299c4b2b15be45532a176604c71fdc7bea5bnd ap_log_error(APLOG_MARK, APLOG_ERR, errno,

130d299c4b2b15be45532a176604c71fdc7bea5bnd (server_rec *)data, APLOGNO(01247)

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd "Error accepting on cgid socket");

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess continue;

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess }

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess r = apr_pcalloc(ptrans, sizeof(request_rec));

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess procnew = apr_pcalloc(ptrans, sizeof(*procnew));

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess r->pool = ptrans;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive stat = get_req(sd2, r, &argv0, &env, &cgid_req);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (stat != APR_SUCCESS) {

fb77c505254b6e9c925e23e734463e87574f8f40kess ap_log_error(APLOG_MARK, APLOG_ERR, stat,

fb77c505254b6e9c925e23e734463e87574f8f40kess main_server, APLOGNO(01248)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "Error reading request on cgid socket");

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive close(sd2);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive continue;

130d299c4b2b15be45532a176604c71fdc7bea5bnd }

130d299c4b2b15be45532a176604c71fdc7bea5bnd

130d299c4b2b15be45532a176604c71fdc7bea5bnd if (cgid_req.ppid != parent_pid) {

130d299c4b2b15be45532a176604c71fdc7bea5bnd ap_log_error(APLOG_MARK, APLOG_CRIT, 0, main_server, APLOGNO(01249)

130d299c4b2b15be45532a176604c71fdc7bea5bnd "CGI request received from wrong server instance; "

130d299c4b2b15be45532a176604c71fdc7bea5bnd "see ScriptSock directive");

130d299c4b2b15be45532a176604c71fdc7bea5bnd close(sd2);

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd continue;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (cgid_req.req_type == GETPID_REQ) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive pid_t pid;

fb77c505254b6e9c925e23e734463e87574f8f40kess apr_status_t rv;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

fb77c505254b6e9c925e23e734463e87574f8f40kess pid = (pid_t)((long)apr_hash_get(script_hash, &cgid_req.conn_id, sizeof(cgid_req.conn_id)));

fb77c505254b6e9c925e23e734463e87574f8f40kess rv = sock_write(sd2, &pid, sizeof(pid));

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (rv != APR_SUCCESS) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ap_log_error(APLOG_MARK, APLOG_ERR, rv,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive main_server, APLOGNO(01250)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "Error writing pid %" APR_PID_T_FMT " to handler", pid);

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess }

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess close(sd2);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive continue;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_os_file_put(&r->server->error_log, &errfileno, 0, r->pool);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_os_file_put(&inout, &sd2, 0, r->pool);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess if (cgid_req.req_type == SSI_REQ) {

15ba1801088da1aad6d20609cf3f7b0b1eefce8aslive in_pipe = APR_NO_PIPE;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive out_pipe = APR_FULL_BLOCK;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd err_pipe = APR_NO_PIPE;

7b5535ed88e0f561b3bfb3330137bd804846afd4slive cmd_type = APR_SHELLCMD;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive else {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive in_pipe = APR_CHILD_BLOCK;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive out_pipe = APR_CHILD_BLOCK;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive err_pipe = APR_CHILD_BLOCK;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cmd_type = APR_PROGRAM;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (((rc = apr_procattr_create(&procattr, ptrans)) != APR_SUCCESS) ||

030108b1816bcda3d925df65357feabdce83bc94slive ((cgid_req.req_type == CGI_REQ) &&

030108b1816bcda3d925df65357feabdce83bc94slive (((rc = apr_procattr_io_set(procattr,

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd in_pipe,

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd out_pipe,

6954edc623ca2c179eb5b33e97e4304d06fd649frbowen err_pipe)) != APR_SUCCESS) ||

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd /* XXX apr_procattr_child_*_set() is creating an unnecessary

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ((rc = apr_procattr_child_err_set(procattr, r->server->error_log, NULL)) != APR_SUCCESS) ||

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ((rc = apr_procattr_child_in_set(procattr, inout, NULL)) != APR_SUCCESS))) ||

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ((rc = apr_procattr_child_out_set(procattr, inout, NULL)) != APR_SUCCESS) ||

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess ((rc = apr_procattr_dir_set(procattr,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ap_make_dirstr_parent(r->pool, r->filename))) != APR_SUCCESS) ||

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess ((rc = apr_procattr_cmdtype_set(procattr, cmd_type)) != APR_SUCCESS) ||

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess#ifdef AP_CGID_USE_RLIMIT

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess#ifdef RLIMIT_CPU

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ( (cgid_req.limits.limit_cpu_set) && ((rc = apr_procattr_limit_set(procattr, APR_LIMIT_CPU,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive &cgid_req.limits.limit_cpu)) != APR_SUCCESS)) ||

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)

003f0c9fda6664daf5092a0e42f65ede20098153slive ( (cgid_req.limits.limit_mem_set) && ((rc = apr_procattr_limit_set(procattr, APR_LIMIT_MEM,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive &cgid_req.limits.limit_mem)) != APR_SUCCESS)) ||

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#ifdef RLIMIT_NPROC

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ( (cgid_req.limits.limit_nproc_set) && ((rc = apr_procattr_limit_set(procattr, APR_LIMIT_NPROC,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive &cgid_req.limits.limit_nproc)) != APR_SUCCESS)) ||

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#endif

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#endif

a1ef40892ffa2b44fc249423c5b6c42a74a84c68nd

fb77c505254b6e9c925e23e734463e87574f8f40kess ((rc = apr_procattr_child_errfn_set(procattr, cgid_child_errfn)) != APR_SUCCESS)) {

fb77c505254b6e9c925e23e734463e87574f8f40kess /* Something bad happened, tell the world.

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd ap_log_error(APLOG_MARK, APLOG_ERR, rc, r->server, APLOGNO(01251)

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd "couldn't set child process attributes: %s", r->filename);

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd procnew->pid = 0; /* no process to clean up */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive close(sd2);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

c68acc9d712af079afa2bd1a5a4aeef9a3ea573ckess else {

c68acc9d712af079afa2bd1a5a4aeef9a3ea573ckess apr_pool_userdata_set(r, ERRFN_USERDATA_KEY, apr_pool_cleanup_null, ptrans);

c68acc9d712af079afa2bd1a5a4aeef9a3ea573ckess

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive argv = (const char * const *)create_argv(r->pool, NULL, NULL, NULL, argv0, r->args);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* We want to close sd2 for the new CGI process too.

af18698b10b429b270551ca3a5d51a75e1c9db22brianp close(sd2);

003f0c9fda6664daf5092a0e42f65ede20098153slive

fb77c505254b6e9c925e23e734463e87574f8f40kess if (memcmp(&empty_ugid, &cgid_req.ugid, sizeof(empty_ugid))) {

fb77c505254b6e9c925e23e734463e87574f8f40kess /* We have a valid identity, and can be sure that

af18698b10b429b270551ca3a5d51a75e1c9db22brianp rc = ap_os_create_privileged_process(r, procnew, argv0, argv,

003f0c9fda6664daf5092a0e42f65ede20098153slive (const char * const *)env,

af18698b10b429b270551ca3a5d51a75e1c9db22brianp procattr, ptrans);

af18698b10b429b270551ca3a5d51a75e1c9db22brianp } else {

a1ef40892ffa2b44fc249423c5b6c42a74a84c68nd rc = apr_proc_create(procnew, argv0, argv,

003f0c9fda6664daf5092a0e42f65ede20098153slive (const char * const *)env,

003f0c9fda6664daf5092a0e42f65ede20098153slive procattr, ptrans);

fb77c505254b6e9c925e23e734463e87574f8f40kess }

fb77c505254b6e9c925e23e734463e87574f8f40kess

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd if (rc != APR_SUCCESS) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd /* Bad things happened. Everyone should have cleaned up.

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd ap_log_error(APLOG_MARK, APLOG_ERR, rc, r->server, APLOGNO(01252)

af18698b10b429b270551ca3a5d51a75e1c9db22brianp "couldn't create child process: %d: %s", rc,

af18698b10b429b270551ca3a5d51a75e1c9db22brianp apr_filepath_name_get(r->filename));

a1ef40892ffa2b44fc249423c5b6c42a74a84c68nd

af18698b10b429b270551ca3a5d51a75e1c9db22brianp procnew->pid = 0; /* no process to clean up */

a1ef40892ffa2b44fc249423c5b6c42a74a84c68nd }

a1ef40892ffa2b44fc249423c5b6c42a74a84c68nd }

fb77c505254b6e9c925e23e734463e87574f8f40kess

af18698b10b429b270551ca3a5d51a75e1c9db22brianp /* If the script process was created, remember the pid for

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess if (apr_hash_get(script_hash, &cgid_req.conn_id, sizeof(cgid_req.conn_id))) {

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess key = &cgid_req.conn_id;

41ef8b3051855b802104193ee0a587515af60a37wrowe }

41ef8b3051855b802104193ee0a587515af60a37wrowe else {

41ef8b3051855b802104193ee0a587515af60a37wrowe key = apr_pmemdup(pcgi, &cgid_req.conn_id, sizeof(cgid_req.conn_id));

41ef8b3051855b802104193ee0a587515af60a37wrowe }

41ef8b3051855b802104193ee0a587515af60a37wrowe apr_hash_set(script_hash, key, sizeof(cgid_req.conn_id),

41ef8b3051855b802104193ee0a587515af60a37wrowe (void *)((long)procnew->pid));

41ef8b3051855b802104193ee0a587515af60a37wrowe }

41ef8b3051855b802104193ee0a587515af60a37wrowe return -1; /* should be <= 0 to distinguish from startup errors */

fb77c505254b6e9c925e23e734463e87574f8f40kess}

fb77c505254b6e9c925e23e734463e87574f8f40kess

41ef8b3051855b802104193ee0a587515af60a37wrowestatic int cgid_start(apr_pool_t *p, server_rec *main_server,

41ef8b3051855b802104193ee0a587515af60a37wrowe apr_proc_t *procnew)

41ef8b3051855b802104193ee0a587515af60a37wrowe{

41ef8b3051855b802104193ee0a587515af60a37wrowe

9fb925624300c864fe3969a264e52aa83f3c2dd0slive daemon_should_exit = 0; /* clear setting from previous generation */

41ef8b3051855b802104193ee0a587515af60a37wrowe if ((daemon_pid = fork()) < 0) {

41ef8b3051855b802104193ee0a587515af60a37wrowe ap_log_error(APLOG_MARK, APLOG_ERR, errno, main_server, APLOGNO(01253)

a1ef40892ffa2b44fc249423c5b6c42a74a84c68nd "mod_cgid: Couldn't spawn cgid daemon process");

a1ef40892ffa2b44fc249423c5b6c42a74a84c68nd return DECLINED;

41ef8b3051855b802104193ee0a587515af60a37wrowe }

41ef8b3051855b802104193ee0a587515af60a37wrowe else if (daemon_pid == 0) {

41ef8b3051855b802104193ee0a587515af60a37wrowe if (pcgi == NULL) {

41ef8b3051855b802104193ee0a587515af60a37wrowe apr_pool_create(&pcgi, p);

41ef8b3051855b802104193ee0a587515af60a37wrowe }

9b5e2c5e769dc678a1aca06df75c32022b2f1492trawick exit(cgid_server(main_server) > 0 ? DAEMON_STARTUP_ERROR : -1);

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess }

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess procnew->pid = daemon_pid;

41ef8b3051855b802104193ee0a587515af60a37wrowe procnew->err = procnew->in = procnew->out = NULL;

41ef8b3051855b802104193ee0a587515af60a37wrowe apr_pool_note_subprocess(p, procnew, APR_KILL_AFTER_TIMEOUT);

41ef8b3051855b802104193ee0a587515af60a37wrowe#if APR_HAS_OTHER_CHILD

41ef8b3051855b802104193ee0a587515af60a37wrowe apr_proc_other_child_register(procnew, cgid_maint, procnew, NULL, p);

41ef8b3051855b802104193ee0a587515af60a37wrowe#endif

9fb925624300c864fe3969a264e52aa83f3c2dd0slive return OK;

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess}

78f4d313fd5edf76dc5cfb8725e082a08cd29740jwoolley

78f4d313fd5edf76dc5cfb8725e082a08cd29740jwoolleystatic int cgid_pre_config(apr_pool_t *pconf, apr_pool_t *plog,

9d00e5d0f270651f1f1cc1abea03bf53e5656fcecolm apr_pool_t *ptemp)

9d00e5d0f270651f1f1cc1abea03bf53e5656fcecolm{

9fb925624300c864fe3969a264e52aa83f3c2dd0slive sockname = ap_append_pid(pconf, DEFAULT_SOCKET, ".");

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess return OK;

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess}

9fb925624300c864fe3969a264e52aa83f3c2dd0slive

41ef8b3051855b802104193ee0a587515af60a37wrowestatic int cgid_init(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp,

41ef8b3051855b802104193ee0a587515af60a37wrowe server_rec *main_server)

41ef8b3051855b802104193ee0a587515af60a37wrowe{

05201775eaa6b363b8a119c8aea5db246b967591yoshiki apr_proc_t *procnew = NULL;

41ef8b3051855b802104193ee0a587515af60a37wrowe const char *userdata_key = "cgid_init";

41ef8b3051855b802104193ee0a587515af60a37wrowe module **m;

fb77c505254b6e9c925e23e734463e87574f8f40kess int ret = OK;

41ef8b3051855b802104193ee0a587515af60a37wrowe void *data;

41ef8b3051855b802104193ee0a587515af60a37wrowe

fb77c505254b6e9c925e23e734463e87574f8f40kess root_server = main_server;

9fb925624300c864fe3969a264e52aa83f3c2dd0slive root_pool = p;

41ef8b3051855b802104193ee0a587515af60a37wrowe

41ef8b3051855b802104193ee0a587515af60a37wrowe apr_pool_userdata_get(&data, userdata_key, main_server->process->pool);

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess if (!data) {

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess procnew = apr_pcalloc(main_server->process->pool, sizeof(*procnew));

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess procnew->pid = -1;

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess procnew->err = procnew->in = procnew->out = NULL;

41ef8b3051855b802104193ee0a587515af60a37wrowe apr_pool_userdata_set((const void *)procnew, userdata_key,

41ef8b3051855b802104193ee0a587515af60a37wrowe apr_pool_cleanup_null, main_server->process->pool);

af18698b10b429b270551ca3a5d51a75e1c9db22brianp return ret;

af18698b10b429b270551ca3a5d51a75e1c9db22brianp }

af18698b10b429b270551ca3a5d51a75e1c9db22brianp else {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive procnew = data;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

003f0c9fda6664daf5092a0e42f65ede20098153slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (ap_state_query(AP_SQ_MAIN_STATE) != AP_SQ_MS_CREATE_PRE_CONFIG) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd char *tmp_sockname;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive total_modules = 0;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive for (m = ap_preloaded_modules; *m != NULL; m++)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive total_modules++;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive parent_pid = getpid();

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive tmp_sockname = ap_runtime_dir_relative(p, sockname);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (strlen(tmp_sockname) > sizeof(server_addr->sun_path) - 1) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive tmp_sockname[sizeof(server_addr->sun_path)] = '\0';

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ap_log_error(APLOG_MARK, APLOG_ERR, 0, main_server, APLOGNO(01254)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "The length of the ScriptSock path exceeds maximum, "

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "truncating to %s", tmp_sockname);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive sockname = tmp_sockname;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive server_addr_len = APR_OFFSETOF(struct sockaddr_un, sun_path) + strlen(sockname);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive server_addr = (struct sockaddr_un *)apr_palloc(p, server_addr_len + 1);

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd server_addr->sun_family = AF_UNIX;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive strcpy(server_addr->sun_path, sockname);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd ret = cgid_start(p, main_server, procnew);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (ret != OK ) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return ret;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cgid_pfn_reg_with_ssi = APR_RETRIEVE_OPTIONAL_FN(ap_register_include_handler);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cgid_pfn_gtv = APR_RETRIEVE_OPTIONAL_FN(ap_ssi_get_tag_and_value);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cgid_pfn_ps = APR_RETRIEVE_OPTIONAL_FN(ap_ssi_parse_string);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if ((cgid_pfn_reg_with_ssi) && (cgid_pfn_gtv) && (cgid_pfn_ps)) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* Required by mod_include filter. This is how mod_cgid registers

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslive cgid_pfn_reg_with_ssi("exec", handle_exec);

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd return ret;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd}

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cndstatic void *create_cgid_config(apr_pool_t *p, server_rec *s)

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd{

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd cgid_server_conf *c =

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive (cgid_server_conf *) apr_pcalloc(p, sizeof(cgid_server_conf));

f7fe99050600166042c04b8e595fb75499eed7f0geoff

f7fe99050600166042c04b8e595fb75499eed7f0geoff c->logname = NULL;

f7fe99050600166042c04b8e595fb75499eed7f0geoff c->logbytes = DEFAULT_LOGBYTES;

f7fe99050600166042c04b8e595fb75499eed7f0geoff c->bufbytes = DEFAULT_BUFBYTES;

f7fe99050600166042c04b8e595fb75499eed7f0geoff return c;

f7fe99050600166042c04b8e595fb75499eed7f0geoff}

f7fe99050600166042c04b8e595fb75499eed7f0geoff

f7fe99050600166042c04b8e595fb75499eed7f0geoffstatic void *merge_cgid_config(apr_pool_t *p, void *basev, void *overridesv)

f7fe99050600166042c04b8e595fb75499eed7f0geoff{

f7fe99050600166042c04b8e595fb75499eed7f0geoff cgid_server_conf *base = (cgid_server_conf *) basev, *overrides = (cgid_server_conf *) overridesv;

f7fe99050600166042c04b8e595fb75499eed7f0geoff

f7fe99050600166042c04b8e595fb75499eed7f0geoff return overrides->logname ? overrides : base;

f7fe99050600166042c04b8e595fb75499eed7f0geoff}

f7fe99050600166042c04b8e595fb75499eed7f0geoff

f7fe99050600166042c04b8e595fb75499eed7f0geoffstatic void *create_cgid_dirconf(apr_pool_t *p, char *dummy)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive{

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cgid_dirconf *c = (cgid_dirconf *) apr_pcalloc(p, sizeof(cgid_dirconf));

fb77c505254b6e9c925e23e734463e87574f8f40kess return c;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic const char *set_scriptlog(cmd_parms *cmd, void *dummy, const char *arg)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive{

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive server_rec *s = cmd->server;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cgid_server_conf *conf = ap_get_module_config(s->module_config,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive &cgid_module);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive conf->logname = ap_server_root_relative(cmd->pool, arg);

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (!conf->logname) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return apr_pstrcat(cmd->pool, "Invalid ScriptLog path ",

fb77c505254b6e9c925e23e734463e87574f8f40kess arg, NULL);

fb77c505254b6e9c925e23e734463e87574f8f40kess }

fb77c505254b6e9c925e23e734463e87574f8f40kess return NULL;

4f854c24127e28f7ad72ce9a39d4448aaf910fc1slive}

4f854c24127e28f7ad72ce9a39d4448aaf910fc1slive

4f854c24127e28f7ad72ce9a39d4448aaf910fc1slivestatic const char *set_scriptlog_length(cmd_parms *cmd, void *dummy, const char *arg)

9b5e2c5e769dc678a1aca06df75c32022b2f1492trawick{

fb77c505254b6e9c925e23e734463e87574f8f40kess server_rec *s = cmd->server;

fb77c505254b6e9c925e23e734463e87574f8f40kess cgid_server_conf *conf = ap_get_module_config(s->module_config,

4f854c24127e28f7ad72ce9a39d4448aaf910fc1slive &cgid_module);

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslive

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslive conf->logbytes = atol(arg);

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslive return NULL;

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslive}

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslive

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslivestatic const char *set_scriptlog_buffer(cmd_parms *cmd, void *dummy, const char *arg)

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslive{

69fba5b8aa0b0dc408f649cfdaab064ce120b05bslive server_rec *s = cmd->server;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cgid_server_conf *conf = ap_get_module_config(s->module_config,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive &cgid_module);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive conf->bufbytes = atoi(arg);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return NULL;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic const char *set_script_socket(cmd_parms *cmd, void *dummy, const char *arg)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive{

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess if (err != NULL) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd return err;

3209c0009829fcf63b6213fb9c43d534f7906006slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* Make sure the pid is appended to the sockname */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive sockname = ap_append_pid(cmd->pool, arg, ".");

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive sockname = ap_runtime_dir_relative(cmd->pool, sockname);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (!sockname) {

c68acc9d712af079afa2bd1a5a4aeef9a3ea573ckess return apr_pstrcat(cmd->pool, "Invalid ScriptSock path",

c68acc9d712af079afa2bd1a5a4aeef9a3ea573ckess arg, NULL);

fb109b84906e3ee61680aa289953c2f9e859354erbowen }

fb109b84906e3ee61680aa289953c2f9e859354erbowen

fb109b84906e3ee61680aa289953c2f9e859354erbowen return NULL;

fb109b84906e3ee61680aa289953c2f9e859354erbowen}

313bb560bc5c323cfd40c9cad7335b4b8e060aedkessstatic const char *set_script_timeout(cmd_parms *cmd, void *dummy, const char *arg)

fb109b84906e3ee61680aa289953c2f9e859354erbowen{

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cgid_dirconf *dc = dummy;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (ap_timeout_parameter_parse(arg, &dc->timeout, "s") != APR_SUCCESS) {

fb109b84906e3ee61680aa289953c2f9e859354erbowen return "CGIDScriptTimeout has wrong format";

fb109b84906e3ee61680aa289953c2f9e859354erbowen }

fb109b84906e3ee61680aa289953c2f9e859354erbowen

fb109b84906e3ee61680aa289953c2f9e859354erbowen return NULL;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic const command_rec cgid_cmds[] =

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive{

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd AP_INIT_TAKE1("ScriptLog", set_scriptlog, NULL, RSRC_CONF,

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd "the name of a log for script debugging info"),

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive AP_INIT_TAKE1("ScriptLogLength", set_scriptlog_length, NULL, RSRC_CONF,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "the maximum length (in bytes) of the script debug log"),

fb109b84906e3ee61680aa289953c2f9e859354erbowen AP_INIT_TAKE1("ScriptLogBuffer", set_scriptlog_buffer, NULL, RSRC_CONF,

fb109b84906e3ee61680aa289953c2f9e859354erbowen "the maximum size (in bytes) to record of a POST request"),

fb109b84906e3ee61680aa289953c2f9e859354erbowen AP_INIT_TAKE1("ScriptSock", set_script_socket, NULL, RSRC_CONF,

fb109b84906e3ee61680aa289953c2f9e859354erbowen "the name of the socket to use for communication with "

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "the cgi daemon."),

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive AP_INIT_TAKE1("CGIDScriptTimeout", set_script_timeout, NULL, RSRC_CONF | ACCESS_CONF,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "The amount of time to wait between successful reads from "

9b5e2c5e769dc678a1aca06df75c32022b2f1492trawick "the CGI script, in seconds."),

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

2bac697634d965d9d9a921a99a68b2c454c8a95dbnicholes {NULL}

2bac697634d965d9d9a921a99a68b2c454c8a95dbnicholes};

2bac697634d965d9d9a921a99a68b2c454c8a95dbnicholes

2bac697634d965d9d9a921a99a68b2c454c8a95dbnicholesstatic int log_scripterror(request_rec *r, cgid_server_conf * conf, int ret,

2bac697634d965d9d9a921a99a68b2c454c8a95dbnicholes apr_status_t rv, char *error)

2bac697634d965d9d9a921a99a68b2c454c8a95dbnicholes{

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_t *f = NULL;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive struct stat finfo;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive char time_str[APR_CTIME_LEN];

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int log_flags = rv ? APLOG_ERR : APLOG_ERR;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ap_log_rerror(APLOG_MARK, log_flags, rv, r,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "%s: %s", error, r->filename);

003f0c9fda6664daf5092a0e42f65ede20098153slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* XXX Very expensive mainline case! Open, then getfileinfo! */

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd if (!conf->logname ||

18b4b0fd6056093002ddef488636bf5ebe415ef0erikabele ((stat(conf->logname, &finfo) == 0)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive && (finfo.st_size > conf->logbytes)) ||

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive (apr_file_open(&f, conf->logname,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive APR_APPEND|APR_WRITE|APR_CREATE, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return ret;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* "%% [Wed Jun 19 10:53:21 1996] GET /cgid-bin/printenv HTTP/1.0" */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_ctime(time_str, apr_time_now());

fb77c505254b6e9c925e23e734463e87574f8f40kess apr_file_printf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,

fb77c505254b6e9c925e23e734463e87574f8f40kess r->args ? "?" : "", r->args ? r->args : "", r->protocol);

fb77c505254b6e9c925e23e734463e87574f8f40kess /* "%% 500 /usr/local/apache/cgid-bin */

fb77c505254b6e9c925e23e734463e87574f8f40kess apr_file_printf(f, "%%%% %d %s\n", ret, r->filename);

fb77c505254b6e9c925e23e734463e87574f8f40kess

fb77c505254b6e9c925e23e734463e87574f8f40kess apr_file_printf(f, "%%error\n%s\n", error);

fb77c505254b6e9c925e23e734463e87574f8f40kess

fb77c505254b6e9c925e23e734463e87574f8f40kess apr_file_close(f);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return ret;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd}

530eba85dbd41b8a0fa5255d3648d1440199a661slive

530eba85dbd41b8a0fa5255d3648d1440199a661slivestatic int log_script(request_rec *r, cgid_server_conf * conf, int ret,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive char *dbuf, const char *sbuf, apr_bucket_brigade *bb,

530eba85dbd41b8a0fa5255d3648d1440199a661slive apr_file_t *script_err)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive{

530eba85dbd41b8a0fa5255d3648d1440199a661slive const apr_array_header_t *hdrs_arr = apr_table_elts(r->headers_in);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive const apr_table_entry_t *hdrs = (apr_table_entry_t *) hdrs_arr->elts;

530eba85dbd41b8a0fa5255d3648d1440199a661slive char argsbuffer[HUGE_STRING_LEN];

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd apr_file_t *f = NULL;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd apr_bucket *e;

530eba85dbd41b8a0fa5255d3648d1440199a661slive const char *buf;

fb77c505254b6e9c925e23e734463e87574f8f40kess apr_size_t len;

fb77c505254b6e9c925e23e734463e87574f8f40kess apr_status_t rv;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive int first;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd int i;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd struct stat finfo;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd char time_str[APR_CTIME_LEN];

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd /* XXX Very expensive mainline case! Open, then getfileinfo! */

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd if (!conf->logname ||

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd ((stat(conf->logname, &finfo) == 0)

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd && (finfo.st_size > conf->logbytes)) ||

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd (apr_file_open(&f, conf->logname,

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd APR_APPEND|APR_WRITE|APR_CREATE, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* Soak up script output */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive discard_script_output(bb);

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd if (script_err) {

0db981f8fdfb62c5149efa079f0369b73d472d04rpluem while (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

0db981f8fdfb62c5149efa079f0369b73d472d04rpluem script_err) == APR_SUCCESS)

0db981f8fdfb62c5149efa079f0369b73d472d04rpluem continue;

0db981f8fdfb62c5149efa079f0369b73d472d04rpluem }

0db981f8fdfb62c5149efa079f0369b73d472d04rpluem return ret;

0db981f8fdfb62c5149efa079f0369b73d472d04rpluem }

0db981f8fdfb62c5149efa079f0369b73d472d04rpluem

0db981f8fdfb62c5149efa079f0369b73d472d04rpluem /* "%% [Wed Jun 19 10:53:21 1996] GET /cgid-bin/printenv HTTP/1.0" */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_ctime(time_str, apr_time_now());

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_printf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive r->args ? "?" : "", r->args ? r->args : "", r->protocol);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive /* "%% 500 /usr/local/apache/cgid-bin" */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_printf(f, "%%%% %d %s\n", ret, r->filename);

003f0c9fda6664daf5092a0e42f65ede20098153slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_puts("%request\n", f);

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd for (i = 0; i < hdrs_arr->nelts; ++i) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (!hdrs[i].key)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive continue;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_printf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);

003f0c9fda6664daf5092a0e42f65ede20098153slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if ((r->method_number == M_POST || r->method_number == M_PUT)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive && *dbuf) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_printf(f, "\n%s\n", dbuf);

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess }

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess apr_file_puts("%response\n", f);

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess hdrs_arr = apr_table_elts(r->err_headers_out);

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess hdrs = (const apr_table_entry_t *) hdrs_arr->elts;

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive for (i = 0; i < hdrs_arr->nelts; ++i) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (!hdrs[i].key)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive continue;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_printf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (sbuf && *sbuf)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_printf(f, "%s\n", sbuf);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive first = 1;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd for (e = APR_BRIGADE_FIRST(bb);

fb77c505254b6e9c925e23e734463e87574f8f40kess e != APR_BRIGADE_SENTINEL(bb);

030108b1816bcda3d925df65357feabdce83bc94slive e = APR_BUCKET_NEXT(e))

030108b1816bcda3d925df65357feabdce83bc94slive {

030108b1816bcda3d925df65357feabdce83bc94slive if (APR_BUCKET_IS_EOS(e)) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive break;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd }

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd rv = apr_bucket_read(e, &buf, &len, APR_BLOCK_READ);

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd if (rv != APR_SUCCESS || (len == 0)) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd break;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd }

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess if (first) {

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess apr_file_puts("%stdout\n", f);

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess first = 0;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_write_full(f, buf, len, NULL);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_puts("\n", f);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

fb77c505254b6e9c925e23e734463e87574f8f40kess if (script_err) {

fb77c505254b6e9c925e23e734463e87574f8f40kess if (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive script_err) == APR_SUCCESS) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_puts("%stderr\n", f);

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess apr_file_puts(argsbuffer, f);

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess while (apr_file_gets(argsbuffer, HUGE_STRING_LEN,

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess script_err) == APR_SUCCESS)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_puts(argsbuffer, f);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_puts("\n", f);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

003f0c9fda6664daf5092a0e42f65ede20098153slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (script_err) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd apr_file_close(script_err);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_file_close(f);

003f0c9fda6664daf5092a0e42f65ede20098153slive return ret;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestatic int connect_to_daemon(int *sdptr, request_rec *r,

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess cgid_server_conf *conf)

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess{

030108b1816bcda3d925df65357feabdce83bc94slive int sd;

030108b1816bcda3d925df65357feabdce83bc94slive int connect_tries;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd apr_interval_time_t sliding_timer;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd connect_tries = 0;

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd sliding_timer = 100000; /* 100 milliseconds */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive while (1) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ++connect_tries;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {

6b64034fa2a644ba291c484c0c01c7df5b8d982ckess return log_scripterror(r, conf, HTTP_INTERNAL_SERVER_ERROR, errno,

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess APLOGNO(01255) "unable to create socket to cgi daemon");

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess }

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess if (connect(sd, (struct sockaddr *)server_addr, server_addr_len) < 0) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive if (errno == ECONNREFUSED && connect_tries < DEFAULT_CONNECT_ATTEMPTS) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive ap_log_rerror(APLOG_MARK, APLOG_DEBUG, errno, r, APLOGNO(01256)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "connect #%d to cgi daemon failed, sleeping before retry",

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive connect_tries);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive close(sd);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_sleep(sliding_timer);

c97e8972ab1f4dd167e3dc4db87daf91114009fbnd if (sliding_timer < apr_time_from_sec(2)) {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive sliding_timer *= 2;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

003f0c9fda6664daf5092a0e42f65ede20098153slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive else {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive close(sd);

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return log_scripterror(r, conf, HTTP_SERVICE_UNAVAILABLE, errno, APLOGNO(01257)

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive "unable to connect to cgi daemon after multiple tries");

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

fb77c505254b6e9c925e23e734463e87574f8f40kess }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive else {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_pool_cleanup_register(r->pool, (void *)((long)sd),

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive close_unix_socket, apr_pool_cleanup_null);

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd break; /* we got connected! */

fb77c505254b6e9c925e23e734463e87574f8f40kess }

fb77c505254b6e9c925e23e734463e87574f8f40kess /* gotta try again, but make sure the cgid daemon is still around */

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd if (kill(daemon_pid, 0) != 0) {

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd return log_scripterror(r, conf, HTTP_SERVICE_UNAVAILABLE, errno, APLOGNO(01258)

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd "cgid daemon is gone; is Apache terminating?");

a7f40ca49262952d6dd69d021cf5b0c2b452ae4cnd }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive *sdptr = sd;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive return OK;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

7654193c1faf603feec999850322ad79e6c551bcnd

7654193c1faf603feec999850322ad79e6c551bcndstatic void discard_script_output(apr_bucket_brigade *bb)

c97e8972ab1f4dd167e3dc4db87daf91114009fbnd{

7654193c1faf603feec999850322ad79e6c551bcnd apr_bucket *e;

7654193c1faf603feec999850322ad79e6c551bcnd const char *buf;

7654193c1faf603feec999850322ad79e6c551bcnd apr_size_t len;

7654193c1faf603feec999850322ad79e6c551bcnd apr_status_t rv;

7654193c1faf603feec999850322ad79e6c551bcnd

7654193c1faf603feec999850322ad79e6c551bcnd for (e = APR_BRIGADE_FIRST(bb);

7654193c1faf603feec999850322ad79e6c551bcnd e != APR_BRIGADE_SENTINEL(bb);

7654193c1faf603feec999850322ad79e6c551bcnd e = APR_BUCKET_NEXT(e))

7654193c1faf603feec999850322ad79e6c551bcnd {

7654193c1faf603feec999850322ad79e6c551bcnd if (APR_BUCKET_IS_EOS(e)) {

7654193c1faf603feec999850322ad79e6c551bcnd break;

7654193c1faf603feec999850322ad79e6c551bcnd }

c97e8972ab1f4dd167e3dc4db87daf91114009fbnd rv = apr_bucket_read(e, &buf, &len, APR_BLOCK_READ);

7654193c1faf603feec999850322ad79e6c551bcnd if (rv != APR_SUCCESS) {

7654193c1faf603feec999850322ad79e6c551bcnd break;

7654193c1faf603feec999850322ad79e6c551bcnd }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive }

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive}

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

fb77c505254b6e9c925e23e734463e87574f8f40kess

80c4526970a11f37c0f8e3b82afdf03902dac3f3slivestruct cleanup_script_info {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive request_rec *r;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive unsigned long conn_id;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive cgid_server_conf *conf;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive};

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

fb77c505254b6e9c925e23e734463e87574f8f40kessstatic apr_status_t dead_yet(pid_t pid, apr_interval_time_t max_wait)

313bb560bc5c323cfd40c9cad7335b4b8e060aedkess{

9b5e2c5e769dc678a1aca06df75c32022b2f1492trawick apr_interval_time_t interval = 10000; /* 10 ms */

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive apr_interval_time_t total = 0;

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive do {

80c4526970a11f37c0f8e3b82afdf03902dac3f3slive#ifdef _AIX

9ed9eaf871c58d281af02e76125ceadb5060afa5nd /* On AIX, for processes like mod_cgid's script children where