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- /* ====================================================================
- * Copyright (c) 1995-1999 The Apache Group. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * 4. The names "Apache Server" and "Apache Group" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache"
- * nor may "Apache" appear in their names without prior written
- * permission of the Apache Group.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Group and was originally based
- * on public domain software written at the National Center for
- * Supercomputing Applications, University of Illinois, Urbana-Champaign.
- * For more information on the Apache Group and the Apache HTTP server
- * project, please see <http://www.apache.org/>.
- *
- */
-
-
- #include "httpd.h"
- #include "http_config.h"
- #include "http_log.h"
-
- module agent_log_module;
-
- static int xfer_flags = (O_WRONLY | O_APPEND | O_CREAT);
- #ifdef OS2
- /* OS/2 dosen't support users and groups */
- static mode_t xfer_mode = (S_IREAD | S_IWRITE);
- #else
- static mode_t xfer_mode = (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
- #endif
-
- typedef struct {
- char *fname;
- int agent_fd;
- } agent_log_state;
-
- static void *make_agent_log_state(pool *p, server_rec *s)
- {
- agent_log_state *cls =
- (agent_log_state *) ap_palloc(p, sizeof(agent_log_state));
-
- cls->fname = "";
- cls->agent_fd = -1;
-
- return (void *) cls;
- }
-
- static const char *set_agent_log(cmd_parms *parms, void *dummy, char *arg)
- {
- agent_log_state *cls = ap_get_module_config(parms->server->module_config,
- &agent_log_module);
-
- cls->fname = arg;
- return NULL;
- }
-
- static const command_rec agent_log_cmds[] =
- {
- {"AgentLog", set_agent_log, NULL, RSRC_CONF, TAKE1,
- "the filename of the agent log"},
- {NULL}
- };
-
- static void open_agent_log(server_rec *s, pool *p)
- {
- agent_log_state *cls = ap_get_module_config(s->module_config,
- &agent_log_module);
-
- char *fname = ap_server_root_relative(p, cls->fname);
-
- if (cls->agent_fd > 0)
- return; /* virtual log shared w/main server */
-
- if (*cls->fname == '|') {
- piped_log *pl;
-
- pl = ap_open_piped_log(p, cls->fname + 1);
- if (pl == NULL) {
- ap_log_error(APLOG_MARK, APLOG_ERR, s,
- "couldn't spawn agent log pipe");
- exit(1);
- }
- cls->agent_fd = ap_piped_log_write_fd(pl);
- }
- else if (*cls->fname != '\0') {
- if ((cls->agent_fd = ap_popenf(p, fname, xfer_flags, xfer_mode)) < 0) {
- ap_log_error(APLOG_MARK, APLOG_ERR, s,
- "could not open agent log file %s.", fname);
- exit(1);
- }
- }
- }
-
- static void init_agent_log(server_rec *s, pool *p)
- {
- for (; s; s = s->next)
- open_agent_log(s, p);
- }
-
- static int agent_log_transaction(request_rec *orig)
- {
- agent_log_state *cls = ap_get_module_config(orig->server->module_config,
- &agent_log_module);
-
- char str[HUGE_STRING_LEN];
- const char *agent;
- request_rec *r;
-
- if (cls->agent_fd < 0)
- return OK;
-
- for (r = orig; r->next; r = r->next)
- continue;
- if (*cls->fname == '\0') /* Don't log agent */
- return DECLINED;
-
- agent = ap_table_get(orig->headers_in, "User-Agent");
- if (agent != NULL) {
- ap_snprintf(str, sizeof(str), "%s\n", agent);
- write(cls->agent_fd, str, strlen(str));
- }
-
- return OK;
- }
-
- module agent_log_module =
- {
- STANDARD_MODULE_STUFF,
- init_agent_log, /* initializer */
- NULL, /* create per-dir config */
- NULL, /* merge per-dir config */
- make_agent_log_state, /* server config */
- NULL, /* merge server config */
- agent_log_cmds, /* command table */
- NULL, /* handlers */
- NULL, /* filename translation */
- NULL, /* check_user_id */
- NULL, /* check auth */
- NULL, /* check access */
- NULL, /* type_checker */
- NULL, /* fixups */
- agent_log_transaction, /* logger */
- NULL, /* header parser */
- NULL, /* child_init */
- NULL, /* child_exit */
- NULL /* post read-request */
- };
-