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#include <getopt.h>
#include <stdarg.h>
#include <fcntl.h>
#include <stdio.h>
#include <errno.h>
#include <time.h>
#include <pwd.h>
#ifndef FILED_DONT_TIMEOUT
#include <stdatomic.h>
#include <stdbool.h>
#endif
/* Compile time constants */
#define FILED_VERSION "1.13"
#define FILED_SENDFILE_MAX 16777215
#define FILED_MAX_FAILURE_COUNT 30
#define FILED_DEFAULT_TYPE "application/octet-stream"
#define FILED_PATH_BUFFER_SIZE 1010
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pthread_create(&thread_id, NULL, filed_logging_thread, args);
filed_log_msg("START");
return(0);
}
#endif
#ifdef FILED_DONT_TIMEOUT
#define filed_sockettimeout_thread_init() 0
#define filed_sockettimeout_accept(x) /**/
#define filed_sockettimeout_processing_start(x) /**/
#define filed_sockettimeout_processing_end(x) /**/
#define filed_sockettimeout_close(x) /**/
#else
_Atomic time_t filed_sockettimeout_time;
struct {
_Atomic time_t expiration_time;
_Atomic pthread_t thread_id;
bool valid;
}* filed_sockettimeout_sockstatus;
long filed_sockettimeout_sockstatus_length;
int filed_sockettimeout_devnull_fd;
static int filed_sockettimeout_sockfd_in_range(int sockfd) {
if (sockfd < 3) {
return(0);
}
if (sockfd > filed_sockettimeout_sockstatus_length) {
return(0);
}
return(1);
}
static void filed_sockettimeout_expire(int sockfd, int length) {
time_t now, expire;
now = atomic_load(&filed_sockettimeout_time);
expire = now + length;
atomic_store(&filed_sockettimeout_sockstatus[sockfd].expiration_time, expire);
return;
}
static void filed_sockettimeout_accept(int sockfd) {
if (!filed_sockettimeout_sockfd_in_range(sockfd)) {
return;
}
filed_sockettimeout_expire(sockfd, 60);
atomic_store(&filed_sockettimeout_sockstatus[sockfd].thread_id, pthread_self());
atomic_store(&filed_sockettimeout_sockstatus[sockfd].valid, true);
return;
}
static void filed_sockettimeout_processing_start(int sockfd) {
if (!filed_sockettimeout_sockfd_in_range(sockfd)) {
return;
}
filed_sockettimeout_expire(sockfd, 86400);
return;
}
static void filed_sockettimeout_processing_end(int sockfd) {
if (!filed_sockettimeout_sockfd_in_range(sockfd)) {
return;
}
filed_sockettimeout_expire(sockfd, 60);
return;
}
static void filed_sockettimeout_close(int sockfd) {
if (!filed_sockettimeout_sockfd_in_range(sockfd)) {
return;
}
atomic_store(&filed_sockettimeout_sockstatus[sockfd].valid, false);
return;
}
static void *filed_sockettimeout_thread(void *arg) {
time_t now, expiration_time;
pthread_t thread_id;
long idx;
int count;
bool valid;
while (1) {
for (count = 0; count < 10; count++) {
usleep(300000);
}
usleep(30000000);
now = time(NULL);
atomic_store(&filed_sockettimeout_time, now);
}
for (idx = 0; idx < filed_sockettimeout_sockstatus_length; idx++) {
valid = atomic_load(&filed_sockettimeout_sockstatus[idx].valid);
if (!valid) {
continue;
}
expiration_time = atomic_load(&filed_sockettimeout_sockstatus[idx].expiration_time);
thread_id = atomic_load(&filed_sockettimeout_sockstatus[idx].thread_id);
if (expiration_time > now) {
continue;
}
filed_sockettimeout_close(idx);
dup2(filed_sockettimeout_devnull_fd, idx);
pthread_kill(thread_id, SIGPIPE);
}
}
return(NULL);
/* NOTREACHED */
/* NOTREACH: We don't actually take any arguments */
arg = arg;
}
static int filed_sockettimeout_thread_init(void) {
pthread_t thread_id;
long maxfd, idx;
maxfd = sysconf(_SC_OPEN_MAX);
if (maxfd <= 0) {
maxfd = 4096;
}
filed_sockettimeout_sockstatus = malloc(sizeof(*filed_sockettimeout_sockstatus) * maxfd);
if (filed_sockettimeout_sockstatus == NULL) {
return(-1);
}
for (idx = 0; idx < maxfd; idx++) {
filed_sockettimeout_sockstatus[idx].valid = false;
}
filed_sockettimeout_sockstatus_length = maxfd;
filed_sockettimeout_devnull_fd = open("/dev/null", O_RDWR);
if (filed_sockettimeout_devnull_fd < 0) {
return(-1);
}
pthread_create(&thread_id, NULL, filed_sockettimeout_thread, NULL);
return(0);
}
#endif
/* Format time per RFC2616 */
static char *filed_format_time(char *buffer, size_t buffer_len, const time_t timeinfo) {
struct tm timeinfo_tm, *timeinfo_tm_p;
timeinfo_tm_p = gmtime_r(&timeinfo, &timeinfo_tm);
if (timeinfo_tm_p == NULL) {
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/** reason must point to a globally allocated value **/
log->reason = reason;
log->http_code = error_number;
filed_log_entry(log);
/* Close connection */
filed_sockettimeout_close(fileno(fp));
fclose(fp);
return;
}
/* Return a redirect to index.html */
static void filed_redirect_index(FILE *fp, const char *date_current, const char *path, struct filed_log_entry *log) {
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/* Log redirect */
log->reason = "redirect";
log->http_code = http_code;
filed_log_entry(log);
/* Close connection */
filed_sockettimeout_close(fileno(fp));
fclose(fp);
return;
/* Currently unused: path */
path = path;
}
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/* Determine current time */
date_current = filed_format_time(date_current_b, sizeof(date_current_b), time(NULL));
/* Open socket as ANSI I/O for ease of use */
fp = fdopen(fd, "w+b");
if (fp == NULL) {
filed_sockettimeout_close(fd);
close(fd);
log->buffer[0] = '\0';
log->http_code = -1;
log->reason = "fdopen_failed";
filed_log_entry(log);
return(FILED_CONNECTION_CLOSE);
}
request = filed_get_http_request(fp, request, options);
if (request == NULL) {
log->buffer[0] = '\0';
filed_error_page(fp, date_current, 500, FILED_REQUEST_METHOD_GET, "format", log);
return(FILED_CONNECTION_CLOSE);
}
filed_sockettimeout_processing_start(fd);
path = request->path;
strcpy(log->buffer, path);
log->method = request->method;
/* If the requested path is a directory, redirect to index page */
if (request->type == FILED_REQUEST_TYPE_DIRECTORY) {
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log->sent_length = sendfile_sent;
filed_log_entry(log);
close(fileinfo->fd);
if (request->headers.connection != FILED_CONNECTION_KEEP_ALIVE) {
filed_sockettimeout_close(fd);
fclose(fp);
return(FILED_CONNECTION_CLOSE);
}
filed_sockettimeout_processing_end(fd);
return(FILED_CONNECTION_KEEP_ALIVE);
}
/* Handle incoming connections */
static void *filed_worker_thread(void *arg_v) {
struct filed_worker_thread_args *arg;
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failure_count++;
filed_log_free(log);
continue;
}
filed_sockettimeout_accept(fd);
/* Fill in log structure */
if (filed_log_ip((struct sockaddr *) &addr, log->ip, sizeof(log->ip)) == NULL) {
log->ip[0] = '\0';
log->port = 0;
} else {
log->port = addr.sin6_port;
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