//! \brief handler of exit() call
void exit_cleanup(void)
{
std::cout << std::flush;
restore_signal_handlers();
// this replaces same call in cleanup() from util.h
PCM::getInstance()->cleanup(); // this replaces same call in cleanup() from util.h
//TODO: delete other shared objects.... if any.
// now terminate the program immediately
_exit(EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
srvr_sockaddr_union_t me;
curl_socket_t sock = CURL_SOCKET_BAD;
curl_socket_t msgsock = CURL_SOCKET_BAD;
int wrotepidfile = 0;
char *pidname= (char *)".sockfilt.pid";
bool juggle_again;
int rc;
int error;
int arg=1;
enum sockmode mode = PASSIVE_LISTEN; /* default */
const char *addr = NULL;
while(argc>arg) {
if(!strcmp("--version", argv[arg])) {
printf("sockfilt IPv4%s\n",
#ifdef ENABLE_IPV6
"/IPv6"
#else
""
#endif
);
return 0;
}
else if(!strcmp("--verbose", argv[arg])) {
verbose = TRUE;
arg++;
}
else if(!strcmp("--pidfile", argv[arg])) {
arg++;
if(argc>arg)
pidname = argv[arg++];
}
else if(!strcmp("--logfile", argv[arg])) {
arg++;
if(argc>arg)
serverlogfile = argv[arg++];
}
else if(!strcmp("--ipv6", argv[arg])) {
#ifdef ENABLE_IPV6
ipv_inuse = "IPv6";
use_ipv6 = TRUE;
#endif
arg++;
}
else if(!strcmp("--ipv4", argv[arg])) {
/* for completeness, we support this option as well */
#ifdef ENABLE_IPV6
ipv_inuse = "IPv4";
use_ipv6 = FALSE;
#endif
arg++;
}
else if(!strcmp("--bindonly", argv[arg])) {
bind_only = TRUE;
arg++;
}
else if(!strcmp("--port", argv[arg])) {
arg++;
if(argc>arg) {
char *endptr;
unsigned long ulnum = strtoul(argv[arg], &endptr, 10);
if((endptr != argv[arg] + strlen(argv[arg])) ||
((ulnum != 0UL) && ((ulnum < 1025UL) || (ulnum > 65535UL)))) {
fprintf(stderr, "sockfilt: invalid --port argument (%s)\n",
argv[arg]);
return 0;
}
port = curlx_ultous(ulnum);
arg++;
}
}
else if(!strcmp("--connect", argv[arg])) {
/* Asked to actively connect to the specified local port instead of
doing a passive server-style listening. */
arg++;
if(argc>arg) {
char *endptr;
unsigned long ulnum = strtoul(argv[arg], &endptr, 10);
if((endptr != argv[arg] + strlen(argv[arg])) ||
(ulnum < 1025UL) || (ulnum > 65535UL)) {
fprintf(stderr, "sockfilt: invalid --connect argument (%s)\n",
argv[arg]);
return 0;
}
connectport = curlx_ultous(ulnum);
arg++;
}
}
else if(!strcmp("--addr", argv[arg])) {
/* Set an IP address to use with --connect; otherwise use localhost */
arg++;
if(argc>arg) {
addr = argv[arg];
arg++;
}
}
else {
puts("Usage: sockfilt [option]\n"
" --version\n"
" --verbose\n"
" --logfile [file]\n"
" --pidfile [file]\n"
" --ipv4\n"
" --ipv6\n"
" --bindonly\n"
" --port [port]\n"
" --connect [port]\n"
" --addr [address]");
return 0;
}
}
#ifdef WIN32
win32_init();
atexit(win32_cleanup);
setmode(fileno(stdin), O_BINARY);
setmode(fileno(stdout), O_BINARY);
setmode(fileno(stderr), O_BINARY);
#endif
install_signal_handlers();
#ifdef ENABLE_IPV6
if(!use_ipv6)
#endif
sock = socket(AF_INET, SOCK_STREAM, 0);
#ifdef ENABLE_IPV6
else
sock = socket(AF_INET6, SOCK_STREAM, 0);
#endif
if(CURL_SOCKET_BAD == sock) {
error = SOCKERRNO;
logmsg("Error creating socket: (%d) %s",
error, strerror(error));
write_stdout("FAIL\n", 5);
goto sockfilt_cleanup;
}
if(connectport) {
/* Active mode, we should connect to the given port number */
mode = ACTIVE;
#ifdef ENABLE_IPV6
if(!use_ipv6) {
#endif
memset(&me.sa4, 0, sizeof(me.sa4));
me.sa4.sin_family = AF_INET;
me.sa4.sin_port = htons(connectport);
me.sa4.sin_addr.s_addr = INADDR_ANY;
if (!addr)
addr = "127.0.0.1";
Curl_inet_pton(AF_INET, addr, &me.sa4.sin_addr);
rc = connect(sock, &me.sa, sizeof(me.sa4));
#ifdef ENABLE_IPV6
}
else {
memset(&me.sa6, 0, sizeof(me.sa6));
me.sa6.sin6_family = AF_INET6;
me.sa6.sin6_port = htons(connectport);
if (!addr)
addr = "::1";
Curl_inet_pton(AF_INET6, addr, &me.sa6.sin6_addr);
rc = connect(sock, &me.sa, sizeof(me.sa6));
}
#endif /* ENABLE_IPV6 */
if(rc) {
error = SOCKERRNO;
logmsg("Error connecting to port %hu: (%d) %s",
connectport, error, strerror(error));
write_stdout("FAIL\n", 5);
goto sockfilt_cleanup;
}
logmsg("====> Client connect");
msgsock = sock; /* use this as stream */
}
else {
/* passive daemon style */
sock = sockdaemon(sock, &port);
if(CURL_SOCKET_BAD == sock) {
write_stdout("FAIL\n", 5);
goto sockfilt_cleanup;
}
msgsock = CURL_SOCKET_BAD; /* no stream socket yet */
}
logmsg("Running %s version", ipv_inuse);
if(connectport)
logmsg("Connected to port %hu", connectport);
else if(bind_only)
logmsg("Bound without listening on port %hu", port);
else
logmsg("Listening on port %hu", port);
wrotepidfile = write_pidfile(pidname);
if(!wrotepidfile) {
write_stdout("FAIL\n", 5);
goto sockfilt_cleanup;
}
do {
juggle_again = juggle(&msgsock, sock, &mode);
} while(juggle_again);
sockfilt_cleanup:
if((msgsock != sock) && (msgsock != CURL_SOCKET_BAD))
sclose(msgsock);
if(sock != CURL_SOCKET_BAD)
sclose(sock);
if(wrotepidfile)
unlink(pidname);
restore_signal_handlers();
if(got_exit_signal) {
logmsg("============> sockfilt exits with signal (%d)", exit_signal);
/*
* To properly set the return status of the process we
* must raise the same signal SIGINT or SIGTERM that we
* caught and let the old handler take care of it.
*/
raise(exit_signal);
}
logmsg("============> sockfilt quits");
return 0;
}
int main(int argc, char *argv[])
{
struct sockaddr_in me;
#ifdef ENABLE_IPV6
struct sockaddr_in6 me6;
#endif /* ENABLE_IPV6 */
curl_socket_t sock = CURL_SOCKET_BAD;
curl_socket_t msgsock = CURL_SOCKET_BAD;
int wrotepidfile = 0;
int flag;
unsigned short port = DEFAULT_PORT;
char *pidname= (char *)".rtsp.pid";
struct httprequest req;
int rc;
int error;
int arg=1;
long pid;
while(argc>arg) {
if(!strcmp("--version", argv[arg])) {
printf("rtspd IPv4%s"
"\n"
,
#ifdef ENABLE_IPV6
"/IPv6"
#else
""
#endif
);
return 0;
}
else if(!strcmp("--pidfile", argv[arg])) {
arg++;
if(argc>arg)
pidname = argv[arg++];
}
else if(!strcmp("--logfile", argv[arg])) {
arg++;
if(argc>arg)
serverlogfile = argv[arg++];
}
else if(!strcmp("--ipv4", argv[arg])) {
#ifdef ENABLE_IPV6
ipv_inuse = "IPv4";
use_ipv6 = FALSE;
#endif
arg++;
}
else if(!strcmp("--ipv6", argv[arg])) {
#ifdef ENABLE_IPV6
ipv_inuse = "IPv6";
use_ipv6 = TRUE;
#endif
arg++;
}
else if(!strcmp("--port", argv[arg])) {
arg++;
if(argc>arg) {
char *endptr;
long lnum = -1;
lnum = strtol(argv[arg], &endptr, 10);
if((endptr != argv[arg] + strlen(argv[arg])) ||
(lnum < 1025L) || (lnum > 65535L)) {
fprintf(stderr, "rtspd: invalid --port argument (%s)\n",
argv[arg]);
return 0;
}
port = (unsigned short)(lnum & 0xFFFFL);
arg++;
}
}
else if(!strcmp("--srcdir", argv[arg])) {
arg++;
if(argc>arg) {
path = argv[arg];
arg++;
}
}
else {
puts("Usage: rtspd [option]\n"
" --version\n"
" --logfile [file]\n"
" --pidfile [file]\n"
" --ipv4\n"
" --ipv6\n"
" --port [port]\n"
" --srcdir [path]");
return 0;
}
}
#ifdef WIN32
win32_init();
atexit(win32_cleanup);
#endif
install_signal_handlers();
pid = (long)getpid();
#ifdef ENABLE_IPV6
if(!use_ipv6)
#endif
sock = socket(AF_INET, SOCK_STREAM, 0);
#ifdef ENABLE_IPV6
else
sock = socket(AF_INET6, SOCK_STREAM, 0);
#endif
if(CURL_SOCKET_BAD == sock) {
error = SOCKERRNO;
logmsg("Error creating socket: (%d) %s",
error, strerror(error));
goto server_cleanup;
}
flag = 1;
if (0 != setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
(void *)&flag, sizeof(flag))) {
error = SOCKERRNO;
logmsg("setsockopt(SO_REUSEADDR) failed with error: (%d) %s",
error, strerror(error));
goto server_cleanup;
}
#ifdef ENABLE_IPV6
if(!use_ipv6) {
#endif
memset(&me, 0, sizeof(me));
me.sin_family = AF_INET;
me.sin_addr.s_addr = INADDR_ANY;
me.sin_port = htons(port);
rc = bind(sock, (struct sockaddr *) &me, sizeof(me));
#ifdef ENABLE_IPV6
}
else {
memset(&me6, 0, sizeof(me6));
me6.sin6_family = AF_INET6;
me6.sin6_addr = in6addr_any;
me6.sin6_port = htons(port);
rc = bind(sock, (struct sockaddr *) &me6, sizeof(me6));
}
#endif /* ENABLE_IPV6 */
if(0 != rc) {
error = SOCKERRNO;
logmsg("Error binding socket on port %hu: (%d) %s",
port, error, strerror(error));
goto server_cleanup;
}
logmsg("Running %s version on port %d", ipv_inuse, (int)port);
/* start accepting connections */
rc = listen(sock, 5);
if(0 != rc) {
error = SOCKERRNO;
logmsg("listen() failed with error: (%d) %s",
error, strerror(error));
goto server_cleanup;
}
/*
** As soon as this server writes its pid file the test harness will
** attempt to connect to this server and initiate its verification.
*/
wrotepidfile = write_pidfile(pidname);
if(!wrotepidfile)
goto server_cleanup;
for (;;) {
msgsock = accept(sock, NULL, NULL);
if(got_exit_signal)
break;
if (CURL_SOCKET_BAD == msgsock) {
error = SOCKERRNO;
logmsg("MAJOR ERROR: accept() failed with error: (%d) %s",
error, strerror(error));
break;
}
/*
** As soon as this server acepts a connection from the test harness it
** must set the server logs advisor read lock to indicate that server
** logs should not be read until this lock is removed by this server.
*/
set_advisor_read_lock(SERVERLOGS_LOCK);
serverlogslocked = 1;
logmsg("====> Client connect");
#ifdef TCP_NODELAY
/*
* Disable the Nagle algorithm to make it easier to send out a large
* response in many small segments to torture the clients more.
*/
flag = 1;
if (setsockopt(msgsock, IPPROTO_TCP, TCP_NODELAY,
(void *)&flag, sizeof(flag)) == -1) {
logmsg("====> TCP_NODELAY failed");
}
#endif
/* initialization of httprequest struct is done in get_request(), but due
to pipelining treatment the pipelining struct field must be initialized
previously to FALSE every time a new connection arrives. */
req.pipelining = FALSE;
do {
if(got_exit_signal)
break;
if(get_request(msgsock, &req))
/* non-zero means error, break out of loop */
break;
if(prevbounce) {
/* bounce treatment requested */
if((req.testno == prevtestno) &&
(req.partno == prevpartno)) {
req.partno++;
logmsg("BOUNCE part number to %ld", req.partno);
}
else {
prevbounce = FALSE;
prevtestno = -1;
prevpartno = -1;
}
}
send_doc(msgsock, &req);
if(got_exit_signal)
break;
if((req.testno < 0) && (req.testno != DOCNUMBER_CONNECT)) {
logmsg("special request received, no persistency");
break;
}
if(!req.open) {
logmsg("instructed to close connection after server-reply");
break;
}
if(req.open)
logmsg("=> persistant connection request ended, awaits new request");
/* if we got a CONNECT, loop and get another request as well! */
} while(req.open || (req.testno == DOCNUMBER_CONNECT));
if(got_exit_signal)
break;
logmsg("====> Client disconnect");
sclose(msgsock);
msgsock = CURL_SOCKET_BAD;
if(serverlogslocked) {
serverlogslocked = 0;
clear_advisor_read_lock(SERVERLOGS_LOCK);
}
if (req.testno == DOCNUMBER_QUIT)
break;
}
server_cleanup:
if((msgsock != sock) && (msgsock != CURL_SOCKET_BAD))
sclose(msgsock);
if(sock != CURL_SOCKET_BAD)
sclose(sock);
if(got_exit_signal)
logmsg("signalled to die");
if(wrotepidfile)
unlink(pidname);
if(serverlogslocked) {
serverlogslocked = 0;
clear_advisor_read_lock(SERVERLOGS_LOCK);
}
restore_signal_handlers();
if(got_exit_signal) {
logmsg("========> %s rtspd (port: %d pid: %ld) exits with signal (%d)",
ipv_inuse, (int)port, pid, exit_signal);
/*
* To properly set the return status of the process we
* must raise the same signal SIGINT or SIGTERM that we
* caught and let the old handler take care of it.
*/
raise(exit_signal);
}
logmsg("========> rtspd quits");
return 0;
}
int main(int argc, char **argv)
{
srvr_sockaddr_union_t me;
struct tftphdr *tp;
ssize_t n = 0;
int arg = 1;
unsigned short port = DEFAULT_PORT;
curl_socket_t sock = CURL_SOCKET_BAD;
int flag;
int rc;
int error;
long pid;
struct testcase test;
int result = 0;
memset(&test, 0, sizeof(test));
while(argc>arg) {
if(!strcmp("--version", argv[arg])) {
printf("tftpd IPv4%s\n",
#ifdef ENABLE_IPV6
"/IPv6"
#else
""
#endif
);
return 0;
}
else if(!strcmp("--pidfile", argv[arg])) {
arg++;
if(argc>arg)
pidname = argv[arg++];
}
else if(!strcmp("--logfile", argv[arg])) {
arg++;
if(argc>arg)
serverlogfile = argv[arg++];
}
else if(!strcmp("--ipv4", argv[arg])) {
#ifdef ENABLE_IPV6
ipv_inuse = "IPv4";
use_ipv6 = FALSE;
#endif
arg++;
}
else if(!strcmp("--ipv6", argv[arg])) {
#ifdef ENABLE_IPV6
ipv_inuse = "IPv6";
use_ipv6 = TRUE;
#endif
arg++;
}
else if(!strcmp("--port", argv[arg])) {
arg++;
if(argc>arg) {
char *endptr;
unsigned long ulnum = strtoul(argv[arg], &endptr, 10);
if((endptr != argv[arg] + strlen(argv[arg])) ||
(ulnum < 1025UL) || (ulnum > 65535UL)) {
fprintf(stderr, "tftpd: invalid --port argument (%s)\n",
argv[arg]);
return 0;
}
port = curlx_ultous(ulnum);
arg++;
}
}
else if(!strcmp("--srcdir", argv[arg])) {
arg++;
if(argc>arg) {
path = argv[arg];
arg++;
}
}
else {
puts("Usage: tftpd [option]\n"
" --version\n"
" --logfile [file]\n"
" --pidfile [file]\n"
" --ipv4\n"
" --ipv6\n"
" --port [port]\n"
" --srcdir [path]");
return 0;
}
}
#ifdef WIN32
win32_init();
atexit(win32_cleanup);
#endif
install_signal_handlers();
pid = (long)getpid();
#ifdef ENABLE_IPV6
if(!use_ipv6)
#endif
sock = socket(AF_INET, SOCK_DGRAM, 0);
#ifdef ENABLE_IPV6
else
sock = socket(AF_INET6, SOCK_DGRAM, 0);
#endif
if(CURL_SOCKET_BAD == sock) {
error = SOCKERRNO;
logmsg("Error creating socket: (%d) %s",
error, strerror(error));
result = 1;
goto tftpd_cleanup;
}
flag = 1;
if (0 != setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
(void *)&flag, sizeof(flag))) {
error = SOCKERRNO;
logmsg("setsockopt(SO_REUSEADDR) failed with error: (%d) %s",
error, strerror(error));
result = 1;
goto tftpd_cleanup;
}
#ifdef ENABLE_IPV6
if(!use_ipv6) {
#endif
memset(&me.sa4, 0, sizeof(me.sa4));
me.sa4.sin_family = AF_INET;
me.sa4.sin_addr.s_addr = INADDR_ANY;
me.sa4.sin_port = htons(port);
rc = bind(sock, &me.sa, sizeof(me.sa4));
#ifdef ENABLE_IPV6
}
else {
memset(&me.sa6, 0, sizeof(me.sa6));
me.sa6.sin6_family = AF_INET6;
me.sa6.sin6_addr = in6addr_any;
me.sa6.sin6_port = htons(port);
rc = bind(sock, &me.sa, sizeof(me.sa6));
}
#endif /* ENABLE_IPV6 */
if(0 != rc) {
error = SOCKERRNO;
logmsg("Error binding socket on port %hu: (%d) %s",
port, error, strerror(error));
result = 1;
goto tftpd_cleanup;
}
wrotepidfile = write_pidfile(pidname);
if(!wrotepidfile) {
result = 1;
goto tftpd_cleanup;
}
logmsg("Running %s version on port UDP/%d", ipv_inuse, (int)port);
for (;;) {
fromlen = sizeof(from);
#ifdef ENABLE_IPV6
if(!use_ipv6)
#endif
fromlen = sizeof(from.sa4);
#ifdef ENABLE_IPV6
else
fromlen = sizeof(from.sa6);
#endif
n = (ssize_t)recvfrom(sock, &buf.storage[0], sizeof(buf.storage), 0,
&from.sa, &fromlen);
if(got_exit_signal)
break;
if (n < 0) {
logmsg("recvfrom");
result = 3;
break;
}
set_advisor_read_lock(SERVERLOGS_LOCK);
serverlogslocked = 1;
#ifdef ENABLE_IPV6
if(!use_ipv6) {
#endif
from.sa4.sin_family = AF_INET;
peer = socket(AF_INET, SOCK_DGRAM, 0);
if(CURL_SOCKET_BAD == peer) {
logmsg("socket");
result = 2;
break;
}
if(connect(peer, &from.sa, sizeof(from.sa4)) < 0) {
logmsg("connect: fail");
result = 1;
break;
}
#ifdef ENABLE_IPV6
}
else {
from.sa6.sin6_family = AF_INET6;
peer = socket(AF_INET6, SOCK_DGRAM, 0);
if(CURL_SOCKET_BAD == peer) {
logmsg("socket");
result = 2;
break;
}
if (connect(peer, &from.sa, sizeof(from.sa6)) < 0) {
logmsg("connect: fail");
result = 1;
break;
}
}
#endif
maxtimeout = 5*TIMEOUT;
tp = &buf.hdr;
tp->th_opcode = ntohs(tp->th_opcode);
if (tp->th_opcode == opcode_RRQ || tp->th_opcode == opcode_WRQ) {
memset(&test, 0, sizeof(test));
if (do_tftp(&test, tp, n) < 0)
break;
if(test.buffer)
free(test.buffer);
}
sclose(peer);
peer = CURL_SOCKET_BAD;
if(test.ofile > 0) {
close(test.ofile);
test.ofile = 0;
}
if(got_exit_signal)
break;
if(serverlogslocked) {
serverlogslocked = 0;
clear_advisor_read_lock(SERVERLOGS_LOCK);
}
logmsg("end of one transfer");
}
tftpd_cleanup:
if(test.ofile > 0)
close(test.ofile);
if((peer != sock) && (peer != CURL_SOCKET_BAD))
sclose(peer);
if(sock != CURL_SOCKET_BAD)
sclose(sock);
if(got_exit_signal)
logmsg("signalled to die");
if(wrotepidfile)
unlink(pidname);
if(serverlogslocked) {
serverlogslocked = 0;
clear_advisor_read_lock(SERVERLOGS_LOCK);
}
restore_signal_handlers();
if(got_exit_signal) {
logmsg("========> %s tftpd (port: %d pid: %ld) exits with signal (%d)",
ipv_inuse, (int)port, pid, exit_signal);
/*
* To properly set the return status of the process we
* must raise the same signal SIGINT or SIGTERM that we
* caught and let the old handler take care of it.
*/
raise(exit_signal);
}
logmsg("========> tftpd quits");
return result;
}