06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "apr.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "apr_strings.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "apr_thread_proc.h" /* for RLIMIT stuff */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#define CORE_PRIVATE

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "apr_buckets.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "util_filter.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "ap_config.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "httpd.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "http_config.h"

a817d8e293a7f9c369af84ba98ba57eaf3544f94slive#include "http_request.h"

a817d8e293a7f9c369af84ba98ba57eaf3544f94slive#include "http_core.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "http_protocol.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "http_main.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "http_log.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "util_script.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "ap_mpm.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "apr_optional.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include "../filters/mod_include.h"

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#ifdef HAVE_STRING_H

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include <string.h>

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#endif

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#ifdef HAVE_STRINGS_H

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#include <strings.h>

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#endif

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivemodule AP_MODULE_DECLARE_DATA cgi_module;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic APR_OPTIONAL_FN_TYPE(ap_register_include_handler) *cgi_pfn_reg_with_ssi;

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic APR_OPTIONAL_FN_TYPE(ap_ssi_get_tag_and_value) *cgi_pfn_gtv;

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic APR_OPTIONAL_FN_TYPE(ap_ssi_parse_string) *cgi_pfn_ps;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivetypedef enum {RUN_AS_SSI, RUN_AS_CGI} prog_types;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivetypedef struct {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_int32_t in_pipe;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_int32_t out_pipe;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_int32_t err_pipe;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_cmdtype_e cmd_type;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive prog_types prog_type;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_bucket_brigade **bb;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive include_ctx_t *ctx;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_filter_t *next;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive} exec_info;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic int is_scriptaliased(request_rec *r)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char *t = apr_table_get(r->notes, "alias-forced-type");

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return t && (!strcasecmp(t, "cgi-script"));

06ba4a61654b3763ad65f52283832ebf058fdf1cslive}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#define DEFAULT_LOGBYTES 10385760

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#define DEFAULT_BUFBYTES 1024

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivetypedef struct {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char *logname;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive long logbytes;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive int bufbytes;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive} cgi_server_conf;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic void *create_cgi_config(apr_pool_t *p, server_rec *s)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive cgi_server_conf *c =

06ba4a61654b3763ad65f52283832ebf058fdf1cslive (cgi_server_conf *) apr_pcalloc(p, sizeof(cgi_server_conf));

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive c->logname = NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive c->logbytes = DEFAULT_LOGBYTES;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive c->bufbytes = DEFAULT_BUFBYTES;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return c;

a817d8e293a7f9c369af84ba98ba57eaf3544f94slive}

97a9a944b5887e91042b019776c41d5dd74557aferikabele

97a9a944b5887e91042b019776c41d5dd74557aferikabelestatic void *merge_cgi_config(apr_pool_t *p, void *basev, void *overridesv)

a817d8e293a7f9c369af84ba98ba57eaf3544f94slive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive cgi_server_conf *base = (cgi_server_conf *) basev, *overrides = (cgi_server_conf *) overridesv;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return overrides->logname ? overrides : base;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

a817d8e293a7f9c369af84ba98ba57eaf3544f94slivestatic const char *set_scriptlog(cmd_parms *cmd, void *dummy, const char *arg)

f70d7fc7f4398e5dfbbc562c638ddcbbd2ae8b82yoshiki{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive server_rec *s = cmd->server;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive cgi_server_conf *conf =

06ba4a61654b3763ad65f52283832ebf058fdf1cslive (cgi_server_conf *) ap_get_module_config(s->module_config, &cgi_module);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive conf->logname = arg;

97a9a944b5887e91042b019776c41d5dd74557aferikabele return NULL;

a817d8e293a7f9c369af84ba98ba57eaf3544f94slive}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic const char *set_scriptlog_length(cmd_parms *cmd, void *dummy,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char *arg)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive server_rec *s = cmd->server;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive cgi_server_conf *conf =

06ba4a61654b3763ad65f52283832ebf058fdf1cslive (cgi_server_conf *) ap_get_module_config(s->module_config, &cgi_module);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive conf->logbytes = atol(arg);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return NULL;

97a9a944b5887e91042b019776c41d5dd74557aferikabele}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic const char *set_scriptlog_buffer(cmd_parms *cmd, void *dummy,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char *arg)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive server_rec *s = cmd->server;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive cgi_server_conf *conf =

06ba4a61654b3763ad65f52283832ebf058fdf1cslive (cgi_server_conf *) ap_get_module_config(s->module_config, &cgi_module);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive conf->bufbytes = atoi(arg);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic const command_rec cgi_cmds[] =

97a9a944b5887e91042b019776c41d5dd74557aferikabele{

06ba4a61654b3763ad65f52283832ebf058fdf1csliveAP_INIT_TAKE1("ScriptLog", set_scriptlog, NULL, RSRC_CONF,

97a9a944b5887e91042b019776c41d5dd74557aferikabele "the name of a log for script debugging info"),

06ba4a61654b3763ad65f52283832ebf058fdf1csliveAP_INIT_TAKE1("ScriptLogLength", set_scriptlog_length, NULL, RSRC_CONF,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive "the maximum length (in bytes) of the script debug log"),

06ba4a61654b3763ad65f52283832ebf058fdf1csliveAP_INIT_TAKE1("ScriptLogBuffer", set_scriptlog_buffer, NULL, RSRC_CONF,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive "the maximum size (in bytes) to record of a POST request"),

06ba4a61654b3763ad65f52283832ebf058fdf1cslive {NULL}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive};

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic int log_scripterror(request_rec *r, cgi_server_conf * conf, int ret,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_status_t rv, char *error)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_t *f = NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_finfo_t finfo;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char time_str[APR_CTIME_LEN];

06ba4a61654b3763ad65f52283832ebf058fdf1cslive int log_flags = rv ? APLOG_ERR : APLOG_NOERRNO | APLOG_ERR;

f70d7fc7f4398e5dfbbc562c638ddcbbd2ae8b82yoshiki

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_log_rerror(APLOG_MARK, log_flags, rv, r,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive "%s: %s", error, r->filename);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (!conf->logname ||

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ((apr_stat(&finfo, ap_server_root_relative(r->pool, conf->logname),

06ba4a61654b3763ad65f52283832ebf058fdf1cslive APR_FINFO_SIZE, r->pool) == APR_SUCCESS)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive && (finfo.size > conf->logbytes)) ||

06ba4a61654b3763ad65f52283832ebf058fdf1cslive (apr_file_open(&f, ap_server_root_relative(r->pool, conf->logname),

06ba4a61654b3763ad65f52283832ebf058fdf1cslive APR_APPEND|APR_WRITE|APR_CREATE, APR_OS_DEFAULT, r->pool)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive != APR_SUCCESS)) {

97a9a944b5887e91042b019776c41d5dd74557aferikabele return ret;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* "%% [Wed Jun 19 10:53:21 1996] GET /cgi-bin/printenv HTTP/1.0" */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_ctime(time_str, apr_time_now());

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_printf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive r->args ? "?" : "", r->args ? r->args : "", r->protocol);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* "%% 500 /usr/local/apache/cgi-bin */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_printf(f, "%%%% %d %s\n", ret, r->filename);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_printf(f, "%%error\n%s\n", error);

a817d8e293a7f9c369af84ba98ba57eaf3544f94slive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_close(f);

a817d8e293a7f9c369af84ba98ba57eaf3544f94slive return ret;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic void log_script_err(request_rec *r, apr_file_t *script_err)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char argsbuffer[HUGE_STRING_LEN];

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char *newline;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

f70d7fc7f4398e5dfbbc562c638ddcbbd2ae8b82yoshiki while (apr_file_gets(argsbuffer, HUGE_STRING_LEN, script_err) == 0) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive newline = strchr(argsbuffer, '\n');

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (newline) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive *newline = '\0';

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_log_rerror(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, 0, r,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive "%s", argsbuffer);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic int log_script(request_rec *r, cgi_server_conf * conf, int ret,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char *dbuf, const char *sbuf, apr_file_t *script_in,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_t *script_err)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_array_header_t *hdrs_arr = apr_table_elts(r->headers_in);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_table_entry_t *hdrs = (apr_table_entry_t *) hdrs_arr->elts;

a817d8e293a7f9c369af84ba98ba57eaf3544f94slive char argsbuffer[HUGE_STRING_LEN];

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_t *f = NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive int i;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_finfo_t finfo;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char time_str[APR_CTIME_LEN];

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (!conf->logname ||

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ((apr_stat(&finfo, ap_server_root_relative(r->pool, conf->logname),

06ba4a61654b3763ad65f52283832ebf058fdf1cslive APR_FINFO_SIZE, r->pool) == APR_SUCCESS)

a817d8e293a7f9c369af84ba98ba57eaf3544f94slive && (finfo.size > conf->logbytes)) ||

06ba4a61654b3763ad65f52283832ebf058fdf1cslive (apr_file_open(&f, ap_server_root_relative(r->pool, conf->logname),

06ba4a61654b3763ad65f52283832ebf058fdf1cslive APR_APPEND|APR_WRITE|APR_CREATE, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* Soak up script output */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive while (apr_file_gets(argsbuffer, HUGE_STRING_LEN, script_in) == 0)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive continue;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive log_script_err(r, script_err);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return ret;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* "%% [Wed Jun 19 10:53:21 1996] GET /cgi-bin/printenv HTTP/1.0" */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_ctime(time_str, apr_time_now());

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_printf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive r->args ? "?" : "", r->args ? r->args : "", r->protocol);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* "%% 500 /usr/local/apache/cgi-bin" */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_printf(f, "%%%% %d %s\n", ret, r->filename);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts("%request\n", f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive for (i = 0; i < hdrs_arr->nelts; ++i) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (!hdrs[i].key)

f70d7fc7f4398e5dfbbc562c638ddcbbd2ae8b82yoshiki continue;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_printf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if ((r->method_number == M_POST || r->method_number == M_PUT)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive && *dbuf) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_printf(f, "\n%s\n", dbuf);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts("%response\n", f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive hdrs_arr = apr_table_elts(r->err_headers_out);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive hdrs = (apr_table_entry_t *) hdrs_arr->elts;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive for (i = 0; i < hdrs_arr->nelts; ++i) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (!hdrs[i].key)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive continue;

97a9a944b5887e91042b019776c41d5dd74557aferikabele apr_file_printf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (sbuf && *sbuf)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_printf(f, "%s\n", sbuf);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (apr_file_gets(argsbuffer, HUGE_STRING_LEN, script_in) == 0) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts("%stdout\n", f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts(argsbuffer, f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive while (apr_file_gets(argsbuffer, HUGE_STRING_LEN, script_in) == 0)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts(argsbuffer, f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts("\n", f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (apr_file_gets(argsbuffer, HUGE_STRING_LEN, script_err) == 0) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts("%stderr\n", f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts(argsbuffer, f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive while (apr_file_gets(argsbuffer, HUGE_STRING_LEN, script_err) == 0)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts(argsbuffer, f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_puts("\n", f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_close(script_in);

97a9a944b5887e91042b019776c41d5dd74557aferikabele apr_file_close(script_err);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_close(f);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return ret;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic void add_ssi_vars(request_rec *r, ap_filter_t *next)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_table_t *e = r->subprocess_env;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (r->path_info && r->path_info[0] != '\0') {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive request_rec *pa_req;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_table_setn(e, "PATH_INFO", ap_escape_shell_cmd(r->pool, r->path_info));

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive pa_req = ap_sub_req_lookup_uri(ap_escape_uri(r->pool, r->path_info), r, next);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (pa_req->filename) {

97a9a944b5887e91042b019776c41d5dd74557aferikabele apr_table_setn(e, "PATH_TRANSLATED",

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_pstrcat(r->pool, pa_req->filename, pa_req->path_info, NULL));

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (r->args) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char *arg_copy = apr_pstrdup(r->pool, r->args);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

97a9a944b5887e91042b019776c41d5dd74557aferikabele apr_table_setn(e, "QUERY_STRING", r->args);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_unescape_url(arg_copy);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_table_setn(e, "QUERY_STRING_UNESCAPED", ap_escape_shell_cmd(r->pool, arg_copy));

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic apr_status_t run_cgi_child(apr_file_t **script_out,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_t **script_in,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_t **script_err,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char *command,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char * const argv[],

06ba4a61654b3763ad65f52283832ebf058fdf1cslive request_rec *r,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_pool_t *p,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive exec_info *e_info)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char * const *env;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_procattr_t *procattr;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_proc_t *procnew;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_status_t rc = APR_SUCCESS;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#if defined(RLIMIT_CPU) || defined(RLIMIT_NPROC) || \

06ba4a61654b3763ad65f52283832ebf058fdf1cslive defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined (RLIMIT_AS)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive core_dir_config *conf;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive conf = (core_dir_config *) ap_get_module_config(r->per_dir_config, &core_module);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#endif

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

c7f31821ce62baa95b503e3e4c4a4b68496359daerikabele#ifdef DEBUG_CGI

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#ifdef OS2

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* Under OS/2 need to use device con. */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive FILE *dbg = fopen("con", "w");

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#else

06ba4a61654b3763ad65f52283832ebf058fdf1cslive FILE *dbg = fopen("/dev/tty", "w");

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#endif

97a9a944b5887e91042b019776c41d5dd74557aferikabele int i;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#endif

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive RAISE_SIGSTOP(CGI_CHILD);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#ifdef DEBUG_CGI

06ba4a61654b3763ad65f52283832ebf058fdf1cslive fprintf(dbg, "Attempting to exec %s as %sCGI child (argv0 = %s)\n",

06ba4a61654b3763ad65f52283832ebf058fdf1cslive r->filename, cld->nph ? "NPH " : "", argv0);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#endif

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (e_info->prog_type == RUN_AS_CGI) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_add_cgi_vars(r);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

97a9a944b5887e91042b019776c41d5dd74557aferikabele else /* SSIs want a controlled environment and a special path. */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive {

97a9a944b5887e91042b019776c41d5dd74557aferikabele add_ssi_vars(r, e_info->next);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive env = (const char * const *)ap_create_environment(p, r->subprocess_env);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#ifdef DEBUG_CGI

06ba4a61654b3763ad65f52283832ebf058fdf1cslive fprintf(dbg, "Environment: \n");

06ba4a61654b3763ad65f52283832ebf058fdf1cslive for (i = 0; env[i]; ++i)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive fprintf(dbg, "'%s'\n", env[i]);

97a9a944b5887e91042b019776c41d5dd74557aferikabele#endif

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

97a9a944b5887e91042b019776c41d5dd74557aferikabele /* Transmute ourselves into the script.

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (((rc = apr_procattr_create(&procattr, p)) != APR_SUCCESS) ||

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ((rc = apr_procattr_io_set(procattr,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info->in_pipe,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info->out_pipe,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info->err_pipe)) != APR_SUCCESS) ||

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ((rc = apr_procattr_dir_set(procattr,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_make_dirstr_parent(r->pool, r->filename))) != APR_SUCCESS) ||

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#ifdef RLIMIT_CPU

97a9a944b5887e91042b019776c41d5dd74557aferikabele ((rc = apr_procattr_limit_set(procattr, APR_LIMIT_CPU, conf->limit_cpu)) != APR_SUCCESS) ||

97a9a944b5887e91042b019776c41d5dd74557aferikabele#endif

97a9a944b5887e91042b019776c41d5dd74557aferikabele#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)

97a9a944b5887e91042b019776c41d5dd74557aferikabele ((rc = apr_procattr_limit_set(procattr, APR_LIMIT_MEM, conf->limit_mem)) != APR_SUCCESS) ||

97a9a944b5887e91042b019776c41d5dd74557aferikabele#endif

97a9a944b5887e91042b019776c41d5dd74557aferikabele#ifdef RLIMIT_NPROC

97a9a944b5887e91042b019776c41d5dd74557aferikabele ((rc = apr_procattr_limit_set(procattr, APR_LIMIT_NPROC, conf->limit_nproc)) != APR_SUCCESS) ||

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#endif

97a9a944b5887e91042b019776c41d5dd74557aferikabele ((rc = apr_procattr_cmdtype_set(procattr, e_info->cmd_type)) != APR_SUCCESS)) {

97a9a944b5887e91042b019776c41d5dd74557aferikabele /* Something bad happened, tell the world. */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive "couldn't set child process attributes: %s", r->filename);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive else {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive procnew = apr_pcalloc(p, sizeof(*procnew));

97a9a944b5887e91042b019776c41d5dd74557aferikabele if (e_info->prog_type == RUN_AS_SSI) {

97a9a944b5887e91042b019776c41d5dd74557aferikabele SPLIT_AND_PASS_PRETAG_BUCKETS(*(e_info->bb), e_info->ctx, e_info->next);

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive rc = ap_os_create_privileged_process(r, procnew, command, argv, env, procattr, p);

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (rc != APR_SUCCESS) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* Bad things happened. Everyone should have cleaned up. */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive "couldn't create child process: %d: %s", rc, r->filename);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive else {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_pool_note_subprocess(p, procnew, kill_after_timeout);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive *script_in = procnew->out;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (!script_in)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return APR_EBADF;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_pipe_timeout_set(*script_in, (int)(r->server->timeout * APR_USEC_PER_SEC));

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (e_info->prog_type == RUN_AS_CGI) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive *script_out = procnew->in;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (!*script_out)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return APR_EBADF;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_pipe_timeout_set(*script_out, (int)(r->server->timeout * APR_USEC_PER_SEC));

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive *script_err = procnew->err;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (!*script_err)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return APR_EBADF;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_file_pipe_timeout_set(*script_err, (int)(r->server->timeout * APR_USEC_PER_SEC));

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

97a9a944b5887e91042b019776c41d5dd74557aferikabele return (rc);

97a9a944b5887e91042b019776c41d5dd74557aferikabele}

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic apr_status_t build_argv_list(const char ***argv, request_rec *r,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_pool_t *p)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive int numwords, x, idx;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char *w;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char *args = r->args;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (!args || !args[0] || ap_strchr_c(args, '=')) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive numwords = 1;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive else {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* count the number of keywords */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive for (x = 0, numwords = 2; args[x]; x++) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (args[x] == '+') {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ++numwords;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* Everything is - 1 to account for the first parameter which is the

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (numwords > APACHE_ARG_MAX - 1) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive numwords = APACHE_ARG_MAX - 1; /* Truncate args to prevent overrun */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive *argv = apr_palloc(p, (numwords + 2) * sizeof(char *));

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive for (x = 1, idx = 1; x < numwords; x++) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive w = ap_getword_nulls(p, &args, '+');

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_unescape_url(w);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive (*argv)[idx++] = ap_escape_shell_cmd(p, w);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

97a9a944b5887e91042b019776c41d5dd74557aferikabele (*argv)[idx] = NULL;

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return APR_SUCCESS;

97a9a944b5887e91042b019776c41d5dd74557aferikabele}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic apr_status_t build_command_line(const char **cmd, request_rec *r,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_pool_t *p)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#ifdef WIN32

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char *quoted_filename = NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char *interpreter = NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char *arguments = NULL;

97a9a944b5887e91042b019776c41d5dd74557aferikabele file_type_e fileType;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#endif

97a9a944b5887e91042b019776c41d5dd74557aferikabele const char *argv0;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* Allow suexec's "/" check to succeed */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if ((argv0 = strrchr(r->filename, '/')) != NULL)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive argv0++;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive else

06ba4a61654b3763ad65f52283832ebf058fdf1cslive argv0 = r->filename;

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive#ifdef WIN32

06ba4a61654b3763ad65f52283832ebf058fdf1cslive *cmd = NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive fileType = ap_get_win32_interpreter(r, &interpreter, &arguments);

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (fileType == eFileTypeUNKNOWN) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, r,

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive "%s is not executable; ensure interpreted scripts have "

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive "\"#!\" first line",

117c1f888a14e73cdd821dc6c23eb0411144a41cnd r->filename);

97a9a944b5887e91042b019776c41d5dd74557aferikabele return APR_EBADF;

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

97a9a944b5887e91042b019776c41d5dd74557aferikabele

97a9a944b5887e91042b019776c41d5dd74557aferikabele /*

06ba4a61654b3763ad65f52283832ebf058fdf1cslive quoted_filename = apr_pstrcat(p, "\"", r->filename, "\"", NULL);

3a6531f1fd50efd78381e5800802a1449096781eslive if (interpreter && *interpreter) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (arguments && *arguments)

97a9a944b5887e91042b019776c41d5dd74557aferikabele *cmd = apr_pstrcat(p, interpreter, " ", quoted_filename, " ",

308abf52d418c00c19624cd4445d3b562b7eae81rbowen arguments, NULL);

308abf52d418c00c19624cd4445d3b562b7eae81rbowen else

97a9a944b5887e91042b019776c41d5dd74557aferikabele *cmd = apr_pstrcat(p, interpreter, " ", quoted_filename, " ", NULL);

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive else if (arguments && *arguments) {

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive *cmd = apr_pstrcat(p, quoted_filename, " ", arguments, NULL);

117c1f888a14e73cdd821dc6c23eb0411144a41cnd }

97a9a944b5887e91042b019776c41d5dd74557aferikabele else {

97a9a944b5887e91042b019776c41d5dd74557aferikabele *cmd = apr_pstrcat(p, quoted_filename, NULL);

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

97a9a944b5887e91042b019776c41d5dd74557aferikabele#else

97a9a944b5887e91042b019776c41d5dd74557aferikabele *cmd = argv0;

97a9a944b5887e91042b019776c41d5dd74557aferikabele#endif

97a9a944b5887e91042b019776c41d5dd74557aferikabele return APR_SUCCESS;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive}

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslivestatic int cgi_handler(request_rec *r)

06ba4a61654b3763ad65f52283832ebf058fdf1cslive{

06ba4a61654b3763ad65f52283832ebf058fdf1cslive int retval, nph, dbpos = 0;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char *argv0;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char *command;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive const char **argv;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive char *dbuf = NULL;

97a9a944b5887e91042b019776c41d5dd74557aferikabele apr_file_t *script_out = NULL, *script_in = NULL, *script_err = NULL;

308abf52d418c00c19624cd4445d3b562b7eae81rbowen apr_bucket_brigade *bb;

308abf52d418c00c19624cd4445d3b562b7eae81rbowen apr_bucket *b;

97a9a944b5887e91042b019776c41d5dd74557aferikabele char argsbuffer[HUGE_STRING_LEN];

97a9a944b5887e91042b019776c41d5dd74557aferikabele int is_included = !strcmp(r->protocol, "INCLUDED");

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive apr_pool_t *p;

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive cgi_server_conf *conf;

117c1f888a14e73cdd821dc6c23eb0411144a41cnd apr_status_t rv;

97a9a944b5887e91042b019776c41d5dd74557aferikabele exec_info e_info;

97a9a944b5887e91042b019776c41d5dd74557aferikabele

97a9a944b5887e91042b019776c41d5dd74557aferikabele if(strcmp(r->handler,CGI_MAGIC_TYPE) && strcmp(r->handler,"cgi-script"))

97a9a944b5887e91042b019776c41d5dd74557aferikabele return DECLINED;

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive p = r->main ? r->main->pool : r->pool;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (r->method_number == M_OPTIONS) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* 99 out of 100 CGI scripts, this is all they support */

3a6531f1fd50efd78381e5800802a1449096781eslive r->allowed |= (1 << M_GET);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive r->allowed |= (1 << M_POST);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return DECLINED;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

97a9a944b5887e91042b019776c41d5dd74557aferikabele

308abf52d418c00c19624cd4445d3b562b7eae81rbowen if ((argv0 = strrchr(r->filename, '/')) != NULL)

308abf52d418c00c19624cd4445d3b562b7eae81rbowen argv0++;

97a9a944b5887e91042b019776c41d5dd74557aferikabele else

308abf52d418c00c19624cd4445d3b562b7eae81rbowen argv0 = r->filename;

308abf52d418c00c19624cd4445d3b562b7eae81rbowen

97a9a944b5887e91042b019776c41d5dd74557aferikabele nph = !(strncmp(argv0, "nph-", 4));

308abf52d418c00c19624cd4445d3b562b7eae81rbowen conf = ap_get_module_config(r->server->module_config, &cgi_module);

308abf52d418c00c19624cd4445d3b562b7eae81rbowen

308abf52d418c00c19624cd4445d3b562b7eae81rbowen if (!(ap_allow_options(r) & OPT_EXECCGI) && !is_scriptaliased(r))

97a9a944b5887e91042b019776c41d5dd74557aferikabele return log_scripterror(r, conf, HTTP_FORBIDDEN, 0,

308abf52d418c00c19624cd4445d3b562b7eae81rbowen "Options ExecCGI is off in this directory");

308abf52d418c00c19624cd4445d3b562b7eae81rbowen if (nph && is_included)

97a9a944b5887e91042b019776c41d5dd74557aferikabele return log_scripterror(r, conf, HTTP_FORBIDDEN, 0,

97a9a944b5887e91042b019776c41d5dd74557aferikabele "attempt to include NPH CGI script");

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive#if defined(OS2) || defined(WIN32)

97a9a944b5887e91042b019776c41d5dd74557aferikabele /* XXX: This is wrong. As an option, perhaps, but not by default...

97a9a944b5887e91042b019776c41d5dd74557aferikabele if (r->finfo.filetype == 0) {

97a9a944b5887e91042b019776c41d5dd74557aferikabele apr_finfo_t finfo;

97a9a944b5887e91042b019776c41d5dd74557aferikabele char *newfile;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_status_t rv;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive newfile = apr_pstrcat(r->pool, r->filename, ".EXE", NULL);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (((rv = apr_stat(&finfo, newfile, APR_FINFO_TYPE, r->pool))

06ba4a61654b3763ad65f52283832ebf058fdf1cslive != APR_SUCCESS) || (finfo.filetype != APR_REG)) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return log_scripterror(r, conf, HTTP_NOT_FOUND, rv,

308abf52d418c00c19624cd4445d3b562b7eae81rbowen "script not found or unable to stat");

97a9a944b5887e91042b019776c41d5dd74557aferikabele } else {

308abf52d418c00c19624cd4445d3b562b7eae81rbowen r->filename = newfile;

308abf52d418c00c19624cd4445d3b562b7eae81rbowen }

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

308abf52d418c00c19624cd4445d3b562b7eae81rbowen#else

308abf52d418c00c19624cd4445d3b562b7eae81rbowen if (r->finfo.filetype == 0)

308abf52d418c00c19624cd4445d3b562b7eae81rbowen return log_scripterror(r, conf, HTTP_NOT_FOUND, 0,

308abf52d418c00c19624cd4445d3b562b7eae81rbowen "script not found or unable to stat");

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive#endif

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive if (r->finfo.filetype == APR_DIR)

97a9a944b5887e91042b019776c41d5dd74557aferikabele return log_scripterror(r, conf, HTTP_FORBIDDEN, 0,

117c1f888a14e73cdd821dc6c23eb0411144a41cnd "attempt to invoke directory as script");

97a9a944b5887e91042b019776c41d5dd74557aferikabele

97a9a944b5887e91042b019776c41d5dd74557aferikabele if ((retval = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)))

308abf52d418c00c19624cd4445d3b562b7eae81rbowen return retval;

308abf52d418c00c19624cd4445d3b562b7eae81rbowen

97a9a944b5887e91042b019776c41d5dd74557aferikabele ap_add_common_vars(r);

97a9a944b5887e91042b019776c41d5dd74557aferikabele

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive /* build the command line */

d9acf35ddaf5792bb76f8b0cc47b26cd51482abaslive if ((rv = build_command_line(&command, r, p)) != APR_SUCCESS) {

97a9a944b5887e91042b019776c41d5dd74557aferikabele ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,

117c1f888a14e73cdd821dc6c23eb0411144a41cnd "couldn't spawn child process: %s", r->filename);

97a9a944b5887e91042b019776c41d5dd74557aferikabele return HTTP_INTERNAL_SERVER_ERROR;

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

97a9a944b5887e91042b019776c41d5dd74557aferikabele /* build the argument list */

97a9a944b5887e91042b019776c41d5dd74557aferikabele else if ((rv = build_argv_list(&argv, r, p)) != APR_SUCCESS) {

97a9a944b5887e91042b019776c41d5dd74557aferikabele ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive "couldn't spawn child process: %s", r->filename);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return HTTP_INTERNAL_SERVER_ERROR;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive argv[0] = apr_pstrdup(p, command);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info.cmd_type = APR_PROGRAM;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info.in_pipe = APR_CHILD_BLOCK;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info.out_pipe = APR_CHILD_BLOCK;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info.err_pipe = APR_CHILD_BLOCK;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info.prog_type = RUN_AS_CGI;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info.bb = NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info.ctx = NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive e_info.next = NULL;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* run the script in its own process */

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if ((rv = run_cgi_child(&script_out, &script_in, &script_err,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive command, argv, r, p, &e_info)) != APR_SUCCESS) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,

06ba4a61654b3763ad65f52283832ebf058fdf1cslive "couldn't spawn child process: %s", r->filename);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive return HTTP_INTERNAL_SERVER_ERROR;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive }

06ba4a61654b3763ad65f52283832ebf058fdf1cslive

06ba4a61654b3763ad65f52283832ebf058fdf1cslive /* Transfer any put/post args, CERN style...

97a9a944b5887e91042b019776c41d5dd74557aferikabele if (ap_should_client_block(r)) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive int dbsize, len_read;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_size_t bytes_written, bytes_to_write;

06ba4a61654b3763ad65f52283832ebf058fdf1cslive apr_status_t rv;

97a9a944b5887e91042b019776c41d5dd74557aferikabele

06ba4a61654b3763ad65f52283832ebf058fdf1cslive if (conf->logname) {

06ba4a61654b3763ad65f52283832ebf058fdf1cslive dbuf = apr_pcalloc(r->pool, conf->bufbytes + 1);

06ba4a61654b3763ad65f52283832ebf058fdf1cslive dbpos = 0;

97a9a944b5887e91042b019776c41d5dd74557aferikabele }

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;

}

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

bytes_written = 0;

do {

bytes_to_write = len_read - bytes_written;

rv = apr_file_write(script_out, argsbuffer + bytes_written,

&bytes_to_write);

bytes_written += bytes_to_write;

} while (rv == APR_SUCCESS && bytes_written < len_read);

if (rv != APR_SUCCESS || bytes_written < len_read) {

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

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

/* dump it */

}

break;

}

}

apr_file_flush(script_out);

}

apr_file_close(script_out);

/* Handle script return... */

if (script_in && !nph) {

const char *location;

char sbuf[MAX_STRING_LEN];

int ret;

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

return log_script(r, conf, ret, dbuf, sbuf, script_in, script_err);

}

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, script_in) == 0) {

continue;

}

log_script_err(r, script_err);

/* 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;

}

ap_send_http_header(r);

if (!r->header_only) {

bb = apr_brigade_create(r->pool);

b = apr_bucket_pipe_creat(script_in);

APR_BRIGADE_INSERT_TAIL(bb, b);

b = apr_bucket_eos_create();

APR_BRIGADE_INSERT_TAIL(bb, b);

ap_pass_brigade(r->output_filters, bb);

}

log_script_err(r, script_err);

apr_file_close(script_err);

}

if (script_in && nph) {

bb = apr_brigade_create(r->pool);

b = apr_bucket_pipe_creat(script_in);

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) {

return -1;

}

/* No hardwired path info or query allowed */

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

return -1;

}

if (rr->finfo.protection == 0) {

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

rr->content_type = CGI_MAGIC_TYPE;

/* Run it. */

rr_status = ap_run_sub_req(rr);

if (ap_is_HTTP_REDIRECT(rr_status)) {

apr_size_t len_loc, h_wrt;

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

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

len_loc = strlen(location);

tmp_buck = apr_bucket_immortal_create("<A HREF=\"", sizeof("<A HREF=\""));

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);

tmp2_buck = apr_bucket_heap_create(location, len_loc, 1, &h_wrt);

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp2_buck);

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

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp2_buck);

tmp2_buck = apr_bucket_heap_create(location, len_loc, 1, &h_wrt);

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp2_buck);

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

APR_BUCKET_INSERT_BEFORE(head_ptr, tmp2_buck);

if (*inserted_head == NULL) {

*inserted_head = tmp_buck;

}

}

ap_destroy_sub_req(rr);

return 0;

}

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

request_rec *r, ap_filter_t *f)

{

exec_info e_info;

const char **argv;

apr_file_t *script_out = NULL, *script_in = NULL, *script_err = NULL;

apr_bucket_brigade *bcgi;

apr_bucket *b;

if (build_argv_list(&argv, r, r->pool) != APR_SUCCESS) {

ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

"couldn't spawn cmd child process: %s", r->filename);

return HTTP_INTERNAL_SERVER_ERROR;

}

argv[0] = apr_pstrdup(r->pool, command);

e_info.cmd_type = APR_SHELLCMD;

e_info.in_pipe = APR_NO_PIPE;

e_info.out_pipe = APR_FULL_BLOCK;

e_info.err_pipe = APR_NO_PIPE;

e_info.prog_type = RUN_AS_SSI;

e_info.bb = bb;

e_info.ctx = ctx;

e_info.next = f->next;

/* run the script in its own process */

if (run_cgi_child(&script_out, &script_in, &script_err,

command, argv, r, r->pool, &e_info) != APR_SUCCESS) {

ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,

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

return HTTP_INTERNAL_SERVER_ERROR;

}

bcgi = apr_brigade_create(r->pool);

b = apr_bucket_pipe_creat(script_in);

APR_BRIGADE_INSERT_TAIL(bcgi, b);

ap_pass_brigade(f->next, bcgi);

/* We can't close the pipe here, because we may return before the

return 0;

}

static int handle_exec(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,

ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)

{

char *tag = NULL;

char *tag_val = NULL;

char *file = r->filename;

apr_bucket *tmp_buck;

char parsed_string[MAX_STRING_LEN];

*inserted_head = NULL;

if (ctx->flags & FLAG_PRINTING) {

if (ctx->flags & FLAG_NO_EXEC) {

ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,

"exec used but not allowed in %s", r->filename);

CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);

}

else {

while (1) {

cgi_pfn_gtv(ctx, &tag, &tag_val, 1);

if (tag_val == NULL) {

if (tag == NULL) {

return (0);

}

else {

return 1;

}

}

if (!strcmp(tag, "cmd")) {

cgi_pfn_ps(r, tag_val, parsed_string, sizeof(parsed_string), 1);

if (include_cmd(ctx, bb, parsed_string, r, f) == -1) {

ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,

"execution failure for parameter \"%s\" "

"to tag exec in file %s", tag, r->filename);

CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);

}

}

else if (!strcmp(tag, "cgi")) {

cgi_pfn_ps(r, tag_val, parsed_string, sizeof(parsed_string), 0);

SPLIT_AND_PASS_PRETAG_BUCKETS(*bb, ctx, f->next);

if (include_cgi(parsed_string, r, f->next, head_ptr, inserted_head) == -1) {

ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,

"invalid CGI ref \"%s\" in %s", tag_val, file);

CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);

}

}

else {

ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,

"unknown parameter \"%s\" to tag exec in %s", tag, file);

CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);

}

}

}

}

return 0;

}

static void cgi_post_config(apr_pool_t *p, apr_pool_t *plog,

apr_pool_t *ptemp, server_rec *s)

{

cgi_pfn_reg_with_ssi = APR_RETRIEVE_OPTIONAL_FN(ap_register_include_handler);

cgi_pfn_gtv = APR_RETRIEVE_OPTIONAL_FN(ap_ssi_get_tag_and_value);

cgi_pfn_ps = APR_RETRIEVE_OPTIONAL_FN(ap_ssi_parse_string);

if ((cgi_pfn_reg_with_ssi) && (cgi_pfn_gtv) && (cgi_pfn_ps)) {

/* Required by mod_include filter. This is how mod_cgi registers

cgi_pfn_reg_with_ssi("exec", handle_exec);

}

}

static void register_hooks(apr_pool_t *p)

{

static const char * const aszPre[] = { "mod_include.c", NULL };

ap_hook_handler(cgi_handler, NULL, NULL, APR_HOOK_MIDDLE);

ap_hook_post_config(cgi_post_config, aszPre, NULL, APR_HOOK_REALLY_FIRST);

}

module AP_MODULE_DECLARE_DATA cgi_module =

{

STANDARD20_MODULE_STUFF,

NULL, /* dir config creater */

NULL, /* dir merger --- default is to override */

create_cgi_config, /* server config */

merge_cgi_config, /* merge server config */

cgi_cmds, /* command apr_table_t */

register_hooks /* register hooks */

};