/*
* Copyright (c) 2009-2012, Vsevolod Stakhov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR ''AS IS'' AND ANY
* EXPRESS 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 AUTHOR 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.
*/
#include "config.h"
#include "util.h"
#include "cfg_file.h"
#include "main.h"
#include "statfile.h"
#include "filter.h"
#include "message.h"
/* Check log messages intensity once per minute */
#define CHECK_TIME 60
/* More than 2 log messages per second */
#define BUF_INTENSITY 2
/* Default connect timeout for sync sockets */
#define CONNECT_TIMEOUT 3
static gchar* rspamd_sprintf_num (gchar *buf, gchar *last, guint64 ui64, gchar zero, guint hexadecimal, guint width);
gint
make_socket_nonblocking (gint fd)
{
gint ofl;
ofl = fcntl (fd, F_GETFL, 0);
if (fcntl (fd, F_SETFL, ofl | O_NONBLOCK) == -1) {
msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
return -1;
}
return 0;
}
gint
make_socket_blocking (gint fd)
{
gint ofl;
ofl = fcntl (fd, F_GETFL, 0);
if (fcntl (fd, F_SETFL, ofl & (~O_NONBLOCK)) == -1) {
msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
return -1;
}
return 0;
}
gint
poll_sync_socket (gint fd, gint timeout, short events)
{
gint r;
struct pollfd fds[1];
fds->fd = fd;
fds->events = events;
fds->revents = 0;
while ((r = poll (fds, 1, timeout)) < 0) {
if (errno != EINTR) {
break;
}
}
return r;
}
static gint
make_inet_socket (gint family, struct in_addr *addr, u_short port, gboolean is_server, gboolean async)
{
gint fd, r, optlen, on = 1, s_error;
gint serrno;
struct sockaddr_in sin;
/* Create socket */
fd = socket (AF_INET, family, 0);
if (fd == -1) {
msg_warn ("socket failed: %d, '%s'", errno, strerror (errno));
return -1;
}
if (make_socket_nonblocking (fd) < 0) {
goto out;
}
/* Set close on exec */
if (fcntl (fd, F_SETFD, FD_CLOEXEC) == -1) {
msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
goto out;
}
memset (&sin, 0, sizeof (sin));
/* Bind options */
sin.sin_family = AF_INET;
sin.sin_port = htons (port);
sin.sin_addr.s_addr = addr->s_addr;
if (is_server) {
setsockopt (fd, SOL_SOCKET, SO_REUSEADDR, (const void *)&on, sizeof (gint));
r = bind (fd, (struct sockaddr *)&sin, sizeof (struct sockaddr_in));
}
else {
r = connect (fd, (struct sockaddr *)&sin, sizeof (struct sockaddr_in));
}
if (r == -1) {
if (errno != EINPROGRESS) {
msg_warn ("bind/connect failed: %d, '%s'", errno, strerror (errno));
goto out;
}
if (!async) {
/* Try to poll */
if (poll_sync_socket (fd, CONNECT_TIMEOUT * 1000, POLLOUT) <= 0) {
errno = ETIMEDOUT;
msg_warn ("bind/connect failed: timeout");
goto out;
}
else {
/* Make synced again */
if (make_socket_blocking (fd) < 0) {
goto out;
}
}
}
}
else {
/* Still need to check SO_ERROR on socket */
optlen = sizeof (s_error);
getsockopt (fd, SOL_SOCKET, SO_ERROR, (void *)&s_error, &optlen);
if (s_error) {
errno = s_error;
goto out;
}
}
return (fd);
out:
serrno = errno;
close (fd);
errno = serrno;
return (-1);
}
gint
make_tcp_socket (struct in_addr *addr, u_short port, gboolean is_server, gboolean async)
{
return make_inet_socket (SOCK_STREAM, addr, port, is_server, async);
}
gint
make_udp_socket (struct in_addr *addr, u_short port, gboolean is_server, gboolean async)
{
return make_inet_socket (SOCK_DGRAM, addr, port, is_server, async);
}
gint
accept_from_socket (gint listen_sock, struct sockaddr *addr, socklen_t * len)
{
gint nfd;
gint serrno;
if ((nfd = accept (listen_sock, addr, len)) == -1) {
if (errno == EAGAIN) {
return 0;
}
msg_warn ("accept failed: %d, '%s'", errno, strerror (errno));
return -1;
}
if (make_socket_nonblocking (nfd) < 0) {
goto out;
}
/* Set close on exec */
if (fcntl (nfd, F_SETFD, FD_CLOEXEC) == -1) {
msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
goto out;
}
return (nfd);
out:
serrno = errno;
close (nfd);
errno = serrno;
return (-1);
}
gint
make_unix_socket (const gchar *path, struct sockaddr_un *addr, gboolean is_server, gboolean async)
{
gint fd, s_error, r, optlen, serrno, on = 1;
if (path == NULL)
return -1;
addr->sun_family = AF_UNIX;
rspamd_strlcpy (addr->sun_path, path, sizeof (addr->sun_path));
#ifdef FREEBSD
addr->sun_len = SUN_LEN (addr);
#endif
fd = socket (PF_LOCAL, SOCK_STREAM, 0);
if (fd == -1) {
msg_warn ("socket failed: %d, '%s'", errno, strerror (errno));
return -1;
}
if (make_socket_nonblocking (fd) < 0) {
goto out;
}
/* Set close on exec */
if (fcntl (fd, F_SETFD, FD_CLOEXEC) == -1) {
msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
goto out;
}
if (is_server) {
setsockopt (fd, SOL_SOCKET, SO_REUSEADDR, (const void *)&on, sizeof (gint));
r = bind (fd, (struct sockaddr *)addr, SUN_LEN (addr));
}
else {
r = connect (fd, (struct sockaddr *)addr, SUN_LEN (addr));
}
if (r == -1) {
if (errno != EINPROGRESS) {
msg_warn ("bind/connect failed: %d, '%s'", errno, strerror (errno));
goto out;
}
if (!async) {
/* Try to poll */
if (poll_sync_socket (fd, CONNECT_TIMEOUT * 1000, POLLOUT) <= 0) {
errno = ETIMEDOUT;
msg_warn ("bind/connect failed: timeout");
goto out;
}
else {
/* Make synced again */
if (make_socket_blocking (fd) < 0) {
goto out;
}
}
}
}
else {
/* Still need to check SO_ERROR on socket */
optlen = sizeof (s_error);
getsockopt (fd, SOL_SOCKET, SO_ERROR, (void *)&s_error, &optlen);
if (s_error) {
errno = s_error;
goto out;
}
}
return (fd);
out:
serrno = errno;
close (fd);
errno = serrno;
return (-1);
}
/**
* Make universal stream socket
* @param credits host, ip or path to unix socket
* @param port port (used for network sockets)
* @param async make this socket asynced
* @param is_server make this socket as server socket
* @param try_resolve try name resolution for a socket (BLOCKING)
*/
gint
make_universal_stream_socket (const gchar *credits, guint16 port, gboolean async, gboolean is_server, gboolean try_resolve)
{
struct sockaddr_un un;
struct stat st;
struct in_addr in;
struct hostent *he;
gint r;
if (*credits == '/') {
r = stat (credits, &st);
if (is_server) {
if (r == -1) {
return make_unix_socket (credits, &un, is_server, async);
}
else {
/* Unix socket exists, it must be unlinked first */
errno = EEXIST;
return -1;
}
}
else {
if (r == -1) {
/* Unix socket doesn't exists it must be created first */
errno = ENOENT;
return -1;
}
else {
if ((st.st_mode & S_IFSOCK) == 0) {
/* Path is not valid socket */
errno = EINVAL;
return -1;
}
else {
return make_unix_socket (credits, &un, is_server, async);
}
}
}
}
else {
/* TCP related part */
if (inet_aton (credits, &in) == 0) {
/* Try to resolve */
if (try_resolve) {
if ((he = gethostbyname (credits)) == NULL) {
errno = ENOENT;
return -1;
}
else {
memcpy (&in, he->h_addr, sizeof (struct in_addr));
return make_tcp_socket (&in, port, is_server, async);
}
}
else {
errno = ENOENT;
return -1;
}
}
else {
return make_tcp_socket (&in, port, is_server, async);
}
}
}
gint
make_socketpair (gint pair[2])
{
gint r;
r = socketpair (AF_LOCAL, SOCK_STREAM, 0, pair);
if (r == -1) {
msg_warn ("socketpair failed: %d, '%s'", errno, strerror (errno), pair[0], pair[1]);
return -1;
}
/* Set close on exec */
if (fcntl (pair[0], F_SETFD, FD_CLOEXEC) == -1) {
msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
goto out;
}
if (fcntl (pair[1], F_SETFD, FD_CLOEXEC) == -1) {
msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
goto out;
}
return 0;
out:
close (pair[0]);
close (pair[1]);
return (-1);
}
gint
write_pid (struct rspamd_main *main)
{
pid_t pid;
if (main->cfg->pid_file == NULL) {
return -1;
}
main->pfh = rspamd_pidfile_open (main->cfg->pid_file, 0644, &pid);
if (main->pfh == NULL) {
return -1;
}
if (main->is_privilleged) {
/* Force root user as owner of pid file */
#ifdef HAVE_PIDFILE_FILENO
if (fchown (pidfile_fileno (main->pfh), 0, 0) == -1) {
#else
if (fchown (main->pfh->pf_fd, 0, 0) == -1) {
#endif
msg_err ("cannot chown of pidfile %s to 0:0 user", main->cfg->pid_file);
}
}
rspamd_pidfile_write (main->pfh);
return 0;
}
#ifdef HAVE_SA_SIGINFO
void
init_signals (struct sigaction *signals, void (*sig_handler)(gint, siginfo_t *, void *))
#else
void
init_signals (struct sigaction *signals, void (*sig_handler)(gint))
#endif
{
struct sigaction sigpipe_act;
/* Setting up signal handlers */
/* SIGUSR1 - reopen config file */
/* SIGUSR2 - worker is ready for accept */
sigemptyset (&signals->sa_mask);
sigaddset (&signals->sa_mask, SIGTERM);
sigaddset (&signals->sa_mask, SIGINT);
sigaddset (&signals->sa_mask, SIGHUP);
sigaddset (&signals->sa_mask, SIGCHLD);
sigaddset (&signals->sa_mask, SIGUSR1);
sigaddset (&signals->sa_mask, SIGUSR2);
sigaddset (&signals->sa_mask, SIGALRM);
#ifdef HAVE_SA_SIGINFO
signals->sa_flags = SA_SIGINFO;
signals->sa_handler = NULL;
signals->sa_sigaction = sig_handler;
#else
signals->sa_handler = sig_handler;
signals->sa_flags = 0;
#endif
sigaction (SIGTERM, signals, NULL);
sigaction (SIGINT, signals, NULL);
sigaction (SIGHUP, signals, NULL);
sigaction (SIGCHLD, signals, NULL);
sigaction (SIGUSR1, signals, NULL);
sigaction (SIGUSR2, signals, NULL);
sigaction (SIGALRM, signals, NULL);
/* Ignore SIGPIPE as we handle write errors manually */
sigemptyset (&sigpipe_act.sa_mask);
sigaddset (&sigpipe_act.sa_mask, SIGPIPE);
sigpipe_act.sa_handler = SIG_IGN;
sigpipe_act.sa_flags = 0;
sigaction (SIGPIPE, &sigpipe_act, NULL);
}
static void
pass_signal_cb (gpointer key, gpointer value, gpointer ud)
{
struct rspamd_worker *cur = value;
gint signo = GPOINTER_TO_INT (ud);
kill (cur->pid, signo);
}
void
pass_signal_worker (GHashTable * workers, gint signo)
{
g_hash_table_foreach (workers, pass_signal_cb, GINT_TO_POINTER (signo));
}
void
convert_to_lowercase (gchar *str, guint size)
{
while (size--) {
*str = g_ascii_tolower (*str);
str++;
}
}
#ifndef HAVE_SETPROCTITLE
static gchar *title_buffer = 0;
static size_t title_buffer_size = 0;
static gchar *title_progname, *title_progname_full;
gint
setproctitle (const gchar *fmt, ...)
{
if (!title_buffer || !title_buffer_size) {
errno = ENOMEM;
return -1;
}
memset (title_buffer, '\0', title_buffer_size);
ssize_t written;
if (fmt) {
ssize_t written2;
va_list ap;
written = snprintf (title_buffer, title_buffer_size, "%s: ", title_progname);
if (written < 0 || (size_t) written >= title_buffer_size)
return -1;
va_start (ap, fmt);
written2 = vsnprintf (title_buffer + written, title_buffer_size - written, fmt, ap);
va_end (ap);
if (written2 < 0 || (size_t) written2 >= title_buffer_size - written)
return -1;
}
else {
written = snprintf (title_buffer, title_buffer_size, "%s", title_progname);
if (written < 0 || (size_t) written >= title_buffer_size)
return -1;
}
written = strlen (title_buffer);
memset (title_buffer + written, '\0', title_buffer_size - written);
return 0;
}
/*
It has to be _init function, because __attribute__((constructor))
functions gets called without arguments.
*/
gint
init_title (gint argc, gchar *argv[], gchar *envp[])
{
#if defined(DARWIN) || defined(SOLARIS)
/* XXX: try to handle these OSes too */
return 0;
#else
gchar *begin_of_buffer = 0, *end_of_buffer = 0;
gint i;
for (i = 0; i < argc; ++i) {
if (!begin_of_buffer)
begin_of_buffer = argv[i];
if (!end_of_buffer || end_of_buffer + 1 == argv[i])
end_of_buffer = argv[i] + strlen (argv[i]);
}
for (i = 0; envp[i]; ++i) {
if (!begin_of_buffer)
begin_of_buffer = envp[i];
if (!end_of_buffer || end_of_buffer + 1 == envp[i])
end_of_buffer = envp[i] + strlen (envp[i]);
}
if (!end_of_buffer)
return 0;
gchar **new_environ = g_malloc ((i + 1) * sizeof (envp[0]));
if (!new_environ)
return 0;
for (i = 0; envp[i]; ++i) {
if (!(new_environ[i] = g_strdup (envp[i])))
goto cleanup_enomem;
}
new_environ[i] = 0;
if (program_invocation_name) {
title_progname_full = g_strdup (program_invocation_name);
if (!title_progname_full)
goto cleanup_enomem;
gchar *p = strrchr (title_progname_full, '/');
if (p)
title_progname = p + 1;
else
title_progname = title_progname_full;
program_invocation_name = title_progname_full;
program_invocation_short_name = title_progname;
}
environ = new_environ;
title_buffer = begin_of_buffer;
title_buffer_size = end_of_buffer - begin_of_buffer;
return 0;
cleanup_enomem:
for (--i; i >= 0; --i) {
g_free (new_environ[i]);
}
g_free (new_environ);
return 0;
#endif
}
#endif
#ifndef HAVE_PIDFILE
extern gchar *__progname;
static gint _rspamd_pidfile_remove (rspamd_pidfh_t *pfh, gint freeit);
static gint
rspamd_pidfile_verify (rspamd_pidfh_t *pfh)
{
struct stat sb;
if (pfh == NULL || pfh->pf_fd == -1)
return (-1);
/*
* Check remembered descriptor.
*/
if (fstat (pfh->pf_fd, &sb) == -1)
return (errno);
if (sb.st_dev != pfh->pf_dev || sb.st_ino != pfh->pf_ino)
return -1;
return 0;
}
static gint
rspamd_pidfile_read (const gchar *path, pid_t * pidptr)
{
gchar buf[16], *endptr;
gint error, fd, i;
fd = open (path, O_RDONLY);
if (fd == -1)
return (errno);
i = read (fd, buf, sizeof (buf) - 1);
error = errno; /* Remember errno in case close() wants to change it. */
close (fd);
if (i == -1)
return error;
else if (i == 0)
return EAGAIN;
buf[i] = '\0';
*pidptr = strtol (buf, &endptr, 10);
if (endptr != &buf[i])
return EINVAL;
return 0;
}
rspamd_pidfh_t *
rspamd_pidfile_open (const gchar *path, mode_t mode, pid_t * pidptr)
{
rspamd_pidfh_t *pfh;
struct stat sb;
gint error, fd, len, count;
struct timespec rqtp;
pfh = g_malloc (sizeof (*pfh));
if (pfh == NULL)
return NULL;
if (path == NULL)
len = snprintf (pfh->pf_path, sizeof (pfh->pf_path), "/var/run/%s.pid", g_get_prgname ());
else
len = snprintf (pfh->pf_path, sizeof (pfh->pf_path), "%s", path);
if (len >= (gint)sizeof (pfh->pf_path)) {
g_free (pfh);
errno = ENAMETOOLONG;
return NULL;
}
/*
* Open the PID file and obtain exclusive lock.
* We truncate PID file here only to remove old PID immediatelly,
* PID file will be truncated again in pidfile_write(), so
* pidfile_write() can be called multiple times.
*/
fd = open (pfh->pf_path, O_WRONLY | O_CREAT | O_TRUNC | O_NONBLOCK, mode);
lock_file (fd, TRUE);
if (fd == -1) {
count = 0;
rqtp.tv_sec = 0;
rqtp.tv_nsec = 5000000;
if (errno == EWOULDBLOCK && pidptr != NULL) {
again:
errno = rspamd_pidfile_read (pfh->pf_path, pidptr);
if (errno == 0)
errno = EEXIST;
else if (errno == EAGAIN) {
if (++count <= 3) {
nanosleep (&rqtp, 0);
goto again;
}
}
}
g_free (pfh);
return NULL;
}
/*
* Remember file information, so in pidfile_write() we are sure we write
* to the proper descriptor.
*/
if (fstat (fd, &sb) == -1) {
error = errno;
unlink (pfh->pf_path);
close (fd);
g_free (pfh);
errno = error;
return NULL;
}
pfh->pf_fd = fd;
pfh->pf_dev = sb.st_dev;
pfh->pf_ino = sb.st_ino;
return pfh;
}
gint
rspamd_pidfile_write (rspamd_pidfh_t *pfh)
{
gchar pidstr[16];
gint error, fd;
/*
* Check remembered descriptor, so we don't overwrite some other
* file if pidfile was closed and descriptor reused.
*/
errno = rspamd_pidfile_verify (pfh);
if (errno != 0) {
/*
* Don't close descriptor, because we are not sure if it's ours.
*/
return -1;
}
fd = pfh->pf_fd;
/*
* Truncate PID file, so multiple calls of pidfile_write() are allowed.
*/
if (ftruncate (fd, 0) == -1) {
error = errno;
_rspamd_pidfile_remove (pfh, 0);
errno = error;
return -1;
}
rspamd_snprintf (pidstr, sizeof (pidstr), "%P", getpid ());
if (pwrite (fd, pidstr, strlen (pidstr), 0) != (ssize_t) strlen (pidstr)) {
error = errno;
_rspamd_pidfile_remove (pfh, 0);
errno = error;
return -1;
}
return 0;
}
gint
rspamd_pidfile_close (rspamd_pidfh_t *pfh)
{
gint error;
error = rspamd_pidfile_verify (pfh);
if (error != 0) {
errno = error;
return -1;
}
if (close (pfh->pf_fd) == -1)
error = errno;
g_free (pfh);
if (error != 0) {
errno = error;
return -1;
}
return 0;
}
static gint
_rspamd_pidfile_remove (rspamd_pidfh_t *pfh, gint freeit)
{
gint error;
error = rspamd_pidfile_verify (pfh);
if (error != 0) {
errno = error;
return -1;
}
if (unlink (pfh->pf_path) == -1)
error = errno;
if (!unlock_file (pfh->pf_fd, FALSE)) {
if (error == 0)
error = errno;
}
if (close (pfh->pf_fd) == -1) {
if (error == 0)
error = errno;
}
if (freeit)
g_free (pfh);
else
pfh->pf_fd = -1;
if (error != 0) {
errno = error;
return -1;
}
return 0;
}
gint
rspamd_pidfile_remove (rspamd_pidfh_t *pfh)
{
return (_rspamd_pidfile_remove (pfh, 1));
}
#endif
/* Replace %r with rcpt value and %f with from value, new string is allocated in pool */
gchar *
resolve_stat_filename (memory_pool_t * pool, gchar *pattern, gchar *rcpt, gchar *from)
{
gint need_to_format = 0, len = 0;
gint rcptlen, fromlen;
gchar *c = pattern, *new, *s;
if (rcpt) {
rcptlen = strlen (rcpt);
}
else {
rcptlen = 0;
}
if (from) {
fromlen = strlen (from);
}
else {
fromlen = 0;
}
/* Calculate length */
while (*c++) {
if (*c == '%' && *(c + 1) == 'r') {
len += rcptlen;
c += 2;
need_to_format = 1;
continue;
}
else if (*c == '%' && *(c + 1) == 'f') {
len += fromlen;
c += 2;
need_to_format = 1;
continue;
}
len++;
}
/* Do not allocate extra memory if we do not need to format string */
if (!need_to_format) {
return pattern;
}
/* Allocate new string */
new = memory_pool_alloc (pool, len);
c = pattern;
s = new;
/* Format string */
while (*c++) {
if (*c == '%' && *(c + 1) == 'r') {
c += 2;
memcpy (s, rcpt, rcptlen);
s += rcptlen;
continue;
}
else if (*c == '%' && *(c + 1) == 'r') {
c += 2;
memcpy (s, from, fromlen);
s += fromlen;
continue;
}
*s++ = *c;
}
*s = '\0';
return new;
}
#ifdef HAVE_CLOCK_GETTIME
const gchar *
calculate_check_time (struct timeval *tv, struct timespec *begin, gint resolution)
#else
const gchar *
calculate_check_time (struct timeval *begin, gint resolution)
#endif
{
double vdiff, diff;
static gchar res[64];
static gchar fmt[sizeof ("%.10f ms real, %.10f ms virtual")];
struct timeval tv_now;
if (gettimeofday (&tv_now, NULL) == -1) {
msg_warn ("gettimeofday failed: %s", strerror (errno));
}
#ifdef HAVE_CLOCK_GETTIME
struct timespec ts;
diff = (tv_now.tv_sec - tv->tv_sec) * 1000. + /* Seconds */
(tv_now.tv_usec - tv->tv_usec) / 1000.; /* Microseconds */
#ifdef HAVE_CLOCK_PROCESS_CPUTIME_ID
clock_gettime (CLOCK_PROCESS_CPUTIME_ID, &ts);
#elif defined(HAVE_CLOCK_VIRTUAL)
clock_gettime (CLOCK_VIRTUAL, &ts);
#else
clock_gettime (CLOCK_REALTIME, &ts);
#endif
vdiff = (ts.tv_sec - begin->tv_sec) * 1000. + /* Seconds */
(ts.tv_nsec - begin->tv_nsec) / 1000000.; /* Nanoseconds */
#else
diff = (tv_now.tv_sec - begin->tv_sec) * 1000. + /* Seconds */
(tv_now.tv_usec - begin->tv_usec) / 1000.; /* Microseconds */
vdiff = diff;
#endif
sprintf (fmt, "%%.%dfms real, %%.%dfms virtual", resolution, resolution);
snprintf (res, sizeof (res), fmt, diff, vdiff);
return (const gchar *)res;
}
#ifndef g_tolower
# define g_tolower(x) (((x) >= 'A' && (x) <= 'Z') ? (x) - 'A' + 'a' : (x))
#endif
gboolean
rspamd_strcase_equal (gconstpointer v, gconstpointer v2)
{
if (g_ascii_strcasecmp ((const gchar *)v, (const gchar *)v2) == 0) {
return TRUE;
}
return FALSE;
}
guint
rspamd_strcase_hash (gconstpointer key)
{
const gchar *p = key;
guint h = 0;
while (*p != '\0') {
h = (h << 5) - h + g_tolower (*p);
p++;
}
return h;
}
gboolean
fstr_strcase_equal (gconstpointer v, gconstpointer v2)
{
const f_str_t *f1 = v, *f2 = v2;
if (f1->len == f2->len && g_ascii_strncasecmp (f1->begin, f2->begin, f1->len) == 0) {
return TRUE;
}
return FALSE;
}
guint
fstr_strcase_hash (gconstpointer key)
{
const f_str_t *f = key;
const gchar *p;
guint h = 0;
p = f->begin;
while (p - f->begin < (gint)f->len) {
h = (h << 5) - h + g_tolower (*p);
p++;
}
return h;
}
void
gperf_profiler_init (struct config_file *cfg, const gchar *descr)
{
#if defined(WITH_GPERF_TOOLS)
gchar prof_path[PATH_MAX];
if (getenv ("CPUPROFILE")) {
/* disable inherited Profiler enabled in master process */
ProfilerStop ();
}
/* Try to create temp directory for gmon.out and chdir to it */
if (cfg->profile_path == NULL) {
cfg->profile_path = g_strdup_printf ("%s/rspamd-profile", cfg->temp_dir);
}
snprintf (prof_path, sizeof (prof_path), "%s-%s.%d", cfg->profile_path, descr, (gint)getpid ());
if (ProfilerStart (prof_path)) {
/* start ITIMER_PROF timer */
ProfilerRegisterThread ();
}
else {
msg_warn ("cannot start google perftools profiler");
}
#endif
}
#ifdef HAVE_FLOCK
/* Flock version */
gboolean
lock_file (gint fd, gboolean async)
{
gint flags;
if (async) {
flags = LOCK_EX | LOCK_NB;
}
else {
flags = LOCK_EX;
}
if (flock (fd, flags) == -1) {
if (async && errno == EAGAIN) {
return FALSE;
}
msg_warn ("lock on file failed: %s", strerror (errno));
return FALSE;
}
return TRUE;
}
gboolean
unlock_file (gint fd, gboolean async)
{
gint flags;
if (async) {
flags = LOCK_UN | LOCK_NB;
}
else {
flags = LOCK_UN;
}
if (flock (fd, flags) == -1) {
if (async && errno == EAGAIN) {
return FALSE;
}
msg_warn ("lock on file failed: %s", strerror (errno));
return FALSE;
}
return TRUE;
}
#else /* HAVE_FLOCK */
/* Fctnl version */
gboolean
lock_file (gint fd, gboolean async)
{
struct flock fl = {
.l_type = F_WRLCK,
.l_whence = SEEK_SET,
.l_start = 0,
.l_len = 0
};
if (fcntl (fd, async ? F_SETLK : F_SETLKW, &fl) == -1) {
if (async && (errno == EAGAIN || errno == EACCES)) {
return FALSE;
}
msg_warn ("lock on file failed: %s", strerror (errno));
return FALSE;
}
return TRUE;
}
gboolean
unlock_file (gint fd, gboolean async)
{
struct flock fl = {
.l_type = F_UNLCK,
.l_whence = SEEK_SET,
.l_start = 0,
.l_len = 0
};
if (fcntl (fd, async ? F_SETLK : F_SETLKW, &fl) == -1) {
if (async && (errno == EAGAIN || errno == EACCES)) {
return FALSE;
}
msg_warn ("lock on file failed: %s", strerror (errno));
return FALSE;
}
return TRUE;
}
#endif /* HAVE_FLOCK */
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION < 22))
void
g_ptr_array_unref (GPtrArray *array)
{
g_ptr_array_free (array, TRUE);
}
#endif
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION < 14))
void
g_queue_clear (GQueue *queue)
{
g_return_if_fail (queue != NULL);
g_list_free (queue->head);
queue->head = queue->tail = NULL;
queue->length = 0;
}
#endif
gsize
rspamd_strlcpy (gchar *dst, const gchar *src, gsize siz)
{
gchar *d = dst;
const gchar *s = src;
gsize n = siz;
/* Copy as many bytes as will fit */
if (n != 0) {
while (--n != 0) {
if ((*d++ = *s++) == '\0') {
break;
}
}
}
if (n == 0 && siz != 0) {
*d = '\0';
}
return (s - src - 1); /* count does not include NUL */
}
/* Compare two emails for building emails tree */
gint
compare_email_func (gconstpointer a, gconstpointer b)
{
const struct uri *u1 = a, *u2 = b;
gint r;
if (u1->hostlen != u2->hostlen || u1->hostlen == 0) {
return u1->hostlen - u2->hostlen;
}
else {
if ((r = g_ascii_strncasecmp (u1->host, u2->host, u1->hostlen)) == 0){
if (u1->userlen != u2->userlen || u1->userlen == 0) {
return u1->userlen - u2->userlen;
}
else {
return g_ascii_strncasecmp (u1->user, u2->user, u1->userlen);
}
}
else {
return r;
}
}
return 0;
}
gint
compare_url_func (gconstpointer a, gconstpointer b)
{
const struct uri *u1 = a, *u2 = b;
int r;
if (u1->hostlen != u2->hostlen || u1->hostlen == 0) {
return u1->hostlen - u2->hostlen;
}
else {
r = g_ascii_strncasecmp (u1->host, u2->host, u1->hostlen);
if (r == 0 && u1->is_phished != u2->is_phished) {
/* Always insert phished urls to the tree */
return -1;
}
}
return r;
}
gchar *
escape_braces_addr_fstr (memory_pool_t *pool, f_str_t *in)
{
gint len = 0;
gchar *res, *orig, *p;
orig = in->begin;
while ((g_ascii_isspace (*orig) || *orig == '<') && orig - in->begin < (gint)in->len) {
orig ++;
}
p = orig;
while ((!g_ascii_isspace (*p) && *p != '>') && p - in->begin < (gint)in->len) {
p ++;
len ++;
}
res = memory_pool_alloc (pool, len + 1);
rspamd_strlcpy (res, orig, len + 1);
return res;
}
/*
* Find the first occurrence of find in s, ignore case.
*/
gchar *
rspamd_strncasestr (const gchar *s, const gchar *find, gint len)
{
gchar c, sc;
gsize mlen;
if ((c = *find++) != 0) {
c = g_ascii_tolower (c);
mlen = strlen (find);
do {
do {
if ((sc = *s++) == 0 || len -- == 0)
return (NULL);
} while (g_ascii_tolower (sc) != c);
} while (g_ascii_strncasecmp (s, find, mlen) != 0);
s--;
}
return ((gchar *)s);
}
/*
* Try to convert string of length to long
*/
gboolean
rspamd_strtol (const gchar *s, gsize len, glong *value)
{
const gchar *p = s, *end = s + len;
gchar c;
glong v = 0;
const glong cutoff = G_MAXLONG / 10, cutlim = G_MAXLONG % 10;
gboolean neg;
/* Case negative values */
if (*p == '-') {
neg = TRUE;
p ++;
}
else {
neg = FALSE;
}
/* Some preparations for range errors */
while (p < end) {
c = *p;
if (c >= '0' && c <= '9') {
c -= '0';
if (v > cutoff || (v == cutoff && c > cutlim)) {
/* Range error */
*value = neg ? G_MINLONG : G_MAXLONG;
return FALSE;
}
else {
v *= 10;
v += c;
}
}
else {
return FALSE;
}
p ++;
}
*value = neg ? -(v) : v;
return TRUE;
}
/*
* Try to convert string of length to long
*/
gboolean
rspamd_strtoul (const gchar *s, gsize len, gulong *value)
{
const gchar *p = s, *end = s + len;
gchar c;
gulong v = 0;
const gulong cutoff = G_MAXULONG / 10, cutlim = G_MAXULONG % 10;
/* Some preparations for range errors */
while (p < end) {
c = *p;
if (c >= '0' && c <= '9') {
c -= '0';
if (v > cutoff || (v == cutoff && (guint8)c > cutlim)) {
/* Range error */
*value = G_MAXULONG;
return FALSE;
}
else {
v *= 10;
v += c;
}
}
else {
return FALSE;
}
p ++;
}
*value = v;
return TRUE;
}
gint
rspamd_fallocate (gint fd, off_t offset, off_t len)
{
#if defined(HAVE_FALLOCATE)
return fallocate (fd, 0, offset, len);
#elif defined(HAVE_POSIX_FALLOCATE)
return posix_fallocate (fd, offset, len);
#else
/* Return 0 as nothing can be done on this system */
return 0;
#endif
}
/**
* Create new mutex
* @return mutex or NULL
*/
inline rspamd_mutex_t*
rspamd_mutex_new (void)
{
rspamd_mutex_t *new;
new = g_slice_alloc (sizeof (rspamd_mutex_t));
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_mutex_init (&new->mtx);
#else
g_static_mutex_init (&new->mtx);
#endif
return new;
}
/**
* Lock mutex
* @param mtx
*/
inline void
rspamd_mutex_lock (rspamd_mutex_t *mtx)
{
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_mutex_lock (&mtx->mtx);
#else
g_static_mutex_lock (&mtx->mtx);
#endif
}
/**
* Unlock mutex
* @param mtx
*/
inline void
rspamd_mutex_unlock (rspamd_mutex_t *mtx)
{
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_mutex_unlock (&mtx->mtx);
#else
g_static_mutex_unlock (&mtx->mtx);
#endif
}
void
rspamd_mutex_free (rspamd_mutex_t *mtx)
{
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_mutex_clear (&mtx->mtx);
#endif
g_slice_free1 (sizeof (rspamd_mutex_t), mtx);
}
/**
* Create new rwlock
* @return
*/
rspamd_rwlock_t*
rspamd_rwlock_new (void)
{
rspamd_rwlock_t *new;
new = g_malloc (sizeof (rspamd_rwlock_t));
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_rw_lock_init (&new->rwlock);
#else
g_static_rw_lock_init (&new->rwlock);
#endif
return new;
}
/**
* Lock rwlock for writing
* @param mtx
*/
inline void
rspamd_rwlock_writer_lock (rspamd_rwlock_t *mtx)
{
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_rw_lock_writer_lock (&mtx->rwlock);
#else
g_static_rw_lock_writer_lock (&mtx->rwlock);
#endif
}
/**
* Lock rwlock for reading
* @param mtx
*/
inline void
rspamd_rwlock_reader_lock (rspamd_rwlock_t *mtx)
{
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_rw_lock_reader_lock (&mtx->rwlock);
#else
g_static_rw_lock_reader_lock (&mtx->rwlock);
#endif
}
/**
* Unlock rwlock from writing
* @param mtx
*/
inline void
rspamd_rwlock_writer_unlock (rspamd_rwlock_t *mtx)
{
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_rw_lock_writer_unlock (&mtx->rwlock);
#else
g_static_rw_lock_writer_unlock (&mtx->rwlock);
#endif
}
/**
* Unlock rwlock from reading
* @param mtx
*/
inline void
rspamd_rwlock_reader_unlock (rspamd_rwlock_t *mtx)
{
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_rw_lock_reader_unlock (&mtx->rwlock);
#else
g_static_rw_lock_reader_unlock (&mtx->rwlock);
#endif
}
void
rspamd_rwlock_free (rspamd_rwlock_t *mtx)
{
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
g_rw_lock_clear (&mtx->rwlock);
#endif
g_slice_free1 (sizeof (rspamd_rwlock_t), mtx);
}
struct rspamd_thread_data {
gchar *name;
gint id;
GThreadFunc func;
gpointer data;
};
static gpointer
rspamd_thread_func (gpointer ud)
{
struct rspamd_thread_data *td = ud;
sigset_t s_mask;
/* Ignore signals in thread */
sigemptyset (&s_mask);
sigaddset (&s_mask, SIGTERM);
sigaddset (&s_mask, SIGINT);
sigaddset (&s_mask, SIGHUP);
sigaddset (&s_mask, SIGCHLD);
sigaddset (&s_mask, SIGUSR1);
sigaddset (&s_mask, SIGUSR2);
sigaddset (&s_mask, SIGALRM);
sigaddset (&s_mask, SIGPIPE);
sigprocmask (SIG_BLOCK, &s_mask, NULL);
ud = td->func (td->data);
g_free (td->name);
g_free (td);
return ud;
}
/**
* Create new named thread
* @param name name pattern
* @param func function to start
* @param data data to pass to function
* @param err error pointer
* @return new thread object that can be joined
*/
GThread*
rspamd_create_thread (const gchar *name, GThreadFunc func, gpointer data, GError **err)
{
GThread *new;
struct rspamd_thread_data *td;
static gint32 id;
guint r;
r = strlen (name);
td = g_malloc (sizeof (struct rspamd_thread_data));
td->id = ++id;
td->name = g_malloc (r + sizeof ("4294967296"));
td->func = func;
td->data = data;
rspamd_snprintf (td->name, r + sizeof ("4294967296"), "%s-%d", name, id);
#if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION > 30))
new = g_thread_try_new (td->name, rspamd_thread_func, td, err);
#else
new = g_thread_create (rspamd_thread_func, td, TRUE, err);
#endif
return new;
}
/*
* vi:ts=4
*/