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transmission/third-party/shttpd/log.c

107 lines
2.3 KiB
C

/*
* Copyright (c) 2004-2005 Sergey Lyubka <valenok@gmail.com>
* All rights reserved
*
* "THE BEER-WARE LICENSE" (Revision 42):
* Sergey Lyubka wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return.
*/
#include "defs.h"
/*
* Log function
*/
void
_shttpd_elog(int flags, struct conn *c, const char *fmt, ...)
{
FILE *fp = c == NULL ? NULL : c->ctx->error_log;
va_list ap;
/* Print to stderr */
if (c == NULL || !IS_TRUE(c->ctx, OPT_INETD)) {
va_start(ap, fmt);
(void) vfprintf(stderr, fmt, ap);
(void) fputc('\n', stderr);
va_end(ap);
}
if (fp != NULL && (flags & (E_FATAL | E_LOG))) {
char date[64];
char *buf = malloc( URI_MAX );
int len;
strftime(date, sizeof(date), "%a %b %d %H:%M:%S %Y",
localtime(&_shttpd_current_time));
len = _shttpd_snprintf(buf, URI_MAX,
"[%s] [error] [client %s] \"%s\" ",
date, c ? inet_ntoa(c->sa.u.sin.sin_addr) : "-",
c && c->request ? c->request : "-");
va_start(ap, fmt);
(void) vsnprintf(buf + len, URI_MAX - len, fmt, ap);
va_end(ap);
buf[URI_MAX - 1] = '\0';
(void) fprintf(fp, "%s\n", buf);
(void) fflush(fp);
free(buf);
}
if (flags & E_FATAL)
exit(EXIT_FAILURE);
}
void
_shttpd_log_access(FILE *fp, const struct conn *c)
{
static const struct vec dash = {"-", 1};
const struct vec *user;
const struct vec *referer;
const struct vec *user_agent;
char date[64], *buf, *q1, *q2;
if (fp == NULL)
return;
user = &c->ch.user.v_vec;
referer = &c->ch.referer.v_vec;
user_agent = &c->ch.useragent.v_vec;
q1 = q2 = "\"";
if (user->len == 0)
user = &dash;
if (referer->len == 0) {
referer = &dash;
q1 = "";
}
if (user_agent->len == 0) {
user_agent = &dash;
q2 = "";
}
(void) strftime(date, sizeof(date), "%d/%b/%Y:%H:%M:%S",
localtime(&c->birth_time));
buf = malloc(URI_MAX);
(void) _shttpd_snprintf(buf, URI_MAX,
"%s - %.*s [%s %+05d] \"%s\" %d %lu %s%.*s%s %s%.*s%s",
inet_ntoa(c->sa.u.sin.sin_addr), user->len, user->ptr,
date, _shttpd_tz_offset, c->request ? c->request : "-",
c->status, (unsigned long) c->loc.io.total,
q1, referer->len, referer->ptr, q1,
q2, user_agent->len, user_agent->ptr, q2);
(void) fprintf(fp, "%s\n", buf);
(void) fflush(fp);
free(buf);
}