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Socks5 with 3 args and option socksport
This commit is contained in:
Gerhard Rieger
parent
0454c4fa43
commit
c4f569e367
8 changed files with 64 additions and 29 deletions
3
CHANGES
3
CHANGES
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@ -60,6 +60,9 @@ Features:
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Added option ai-all (sets AI_ALL flag of getaddrinfo() resolver)
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Socks5 now also allows syntax without socks port, and supports option
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socksport.
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Porting:
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Changes for building and testing on NetBSD
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@ -1110,6 +1110,7 @@ label(ADDRESS_SOCKS5_CONNECT)dit(bf(tt(SOCKS5-CONNECT:<socks-server>:<socks-port
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This address type is experimental.nl()
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Option groups: link(FD)(GROUP_FD), link(SOCKET)(GROUP_SOCKET), link(IP4)(GROUP_IP4), link(IP6)(GROUP_IP6), link(TCP)(GROUP_TCP), link(CHILD)(GROUP_CHILD), link(RETRY)(GROUP_RETRY)nl()
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Useful options:
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link(socksport)(OPTION_SOCKSPORT),
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link(sourceport)(OPTION_SOURCEPORT),
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link(pf)(OPTION_PROTOCOL_FAMILY),
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link(retry)(OPTION_RETRY)nl()
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13
test.sh
13
test.sh
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@ -226,7 +226,7 @@ if type ss >/dev/null 2>&1; then
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unset SS
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fi
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fi
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[ "$DEFS" ] && echo " NETSTAT=\"$(type netstat)\""
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[ "$DEFS" ] && echo "NETSTAT=\"$(type netstat 2>/dev/null)\""
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# for some tests we need a network interface
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if type ip >/dev/null 2>&1; then
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@ -976,6 +976,8 @@ childprocess () {
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# return a list of child process pids [killchild]
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childpids () {
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local recursive i
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if [ "X$1" = "X-r" ]; then recursive=1; shift; fi
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case "$UNAME" in
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AIX) l="$(ps -fade |grep "^........ ...... $(printf %6u $1)" |awk '{print($2);}')" ;;
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FreeBSD) l="$(ps -fl |grep "^[^ ][^ ]*[ ][ ]*[0-9][0-9]*[ ][ ]*$1[ ]" |awk '{print($2);}')" ;;
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@ -992,6 +994,11 @@ childpids () {
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if [ -z "$l" ]; then
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return 1;
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fi
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if [ "$recursive" ]; then
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for i in $l; do
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l="$l $(childpids -r $i)"
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done
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fi
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echo "$l"
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return 0
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}
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@ -18062,7 +18069,9 @@ printf "test $F_n $TEST... " $N
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eval $CMD0 >/dev/null 2>"${te}0" &
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pid0=$!
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sleep 1
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kill -INT $(childpids $pid0) 2>/dev/null
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#echo childpids: $(childpids $pid0)
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#echo childpids -r: $(childpids -r $pid0)
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kill -INT $(childpids -r $pid0) 2>/dev/null
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wait 2>/dev/null
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if grep -q " W waitpid..: child .* exited with status 130" "${te}0"; then
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$PRINTF "$OK\n"
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49
xio-socks.c
49
xio-socks.c
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@ -29,12 +29,12 @@ enum {
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static int xioopen_socks4_connect(int argc, const char *argv[], struct opt *opts, int xioflags, xiofile_t *fd, const struct addrdesc *addrdesc);
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const struct optdesc opt_socksport = { "socksport", NULL, OPT_SOCKSPORT, GROUP_IP_SOCKS4, PH_LATE, TYPE_STRING, OFUNC_SPEC };
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const struct optdesc opt_socksuser = { "socksuser", NULL, OPT_SOCKSUSER, GROUP_IP_SOCKS4, PH_LATE, TYPE_NAME, OFUNC_SPEC };
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const struct optdesc opt_socksport = { "socksport", NULL, OPT_SOCKSPORT, GROUP_IP_SOCKS, PH_LATE, TYPE_STRING, OFUNC_SPEC };
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const struct optdesc opt_socksuser = { "socksuser", NULL, OPT_SOCKSUSER, GROUP_IP_SOCKS, PH_LATE, TYPE_NAME, OFUNC_SPEC };
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const struct addrdesc xioaddr_socks4_connect = { "SOCKS4", 3, xioopen_socks4_connect, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_IP4|GROUP_SOCK_IP6|GROUP_IP_TCP|GROUP_IP_SOCKS4|GROUP_CHILD|GROUP_RETRY, 0, 0, 0 HELP(":<socks-server>:<host>:<port>") };
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const struct addrdesc xioaddr_socks4_connect = { "SOCKS4", 3, xioopen_socks4_connect, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_IP4|GROUP_SOCK_IP6|GROUP_IP_TCP|GROUP_IP_SOCKS|GROUP_CHILD|GROUP_RETRY, 0, 0, 0 HELP(":<socks-server>:<host>:<port>") };
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const struct addrdesc xioaddr_socks4a_connect = { "SOCKS4A", 3, xioopen_socks4_connect, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_IP4|GROUP_SOCK_IP6|GROUP_IP_TCP|GROUP_IP_SOCKS4|GROUP_CHILD|GROUP_RETRY, 1, 0, 0 HELP(":<socks-server>:<host>:<port>") };
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const struct addrdesc xioaddr_socks4a_connect = { "SOCKS4A", 3, xioopen_socks4_connect, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_IP4|GROUP_SOCK_IP6|GROUP_IP_TCP|GROUP_IP_SOCKS|GROUP_CHILD|GROUP_RETRY, 1, 0, 0 HELP(":<socks-server>:<host>:<port>") };
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static int xioopen_socks4_connect(
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int argc,
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@ -230,8 +230,31 @@ static int xioopen_socks4_connect(
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}
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int _xioopen_socks4_prepare(const char *targetport, struct opt *opts, char **socksport, struct socks4 *sockhead, size_t *headlen) {
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int _xioopen_opt_socksport(
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struct opt *opts,
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char **socksport)
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{
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struct servent *se;
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if (retropt_string(opts, OPT_SOCKSPORT, socksport) < 0) {
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if ((se = getservbyname("socks", "tcp")) != NULL) {
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Debug1("\"socks/tcp\" resolves to %u", ntohs(se->s_port));
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if ((*socksport = Malloc(6)) == NULL) {
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return STAT_NORETRY;
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}
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sprintf(*socksport, "%u", ntohs(se->s_port));
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} else {
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Debug1("cannot resolve service \"socks/tcp\", using %s", SOCKSPORT);
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if ((*socksport = strdup(SOCKSPORT)) == NULL) {
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return STAT_NORETRY;
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}
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}
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}
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return 0;
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}
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int _xioopen_socks4_prepare(const char *targetport, struct opt *opts, char **socksport, struct socks4 *sockhead, size_t *headlen) {
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char *userid;
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/* generate socks header - points to final target */
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@ -239,20 +262,8 @@ int _xioopen_socks4_prepare(const char *targetport, struct opt *opts, char **soc
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sockhead->action = 1;
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sockhead->port = parseport(targetport, IPPROTO_TCP); /* network byte
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order */
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if (retropt_string(opts, OPT_SOCKSPORT, socksport) < 0) {
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if ((se = getservbyname("socks", "tcp")) != NULL) {
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Debug1("\"socks/tcp\" resolves to %u", ntohs(se->s_port));
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if ((*socksport = Malloc(6)) == NULL) {
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return -1;
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}
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sprintf(*socksport, "%u", ntohs(se->s_port));
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} else {
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Debug1("cannot resolve service \"socks/tcp\", using %s", SOCKSPORT);
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if ((*socksport = strdup(SOCKSPORT)) == NULL) {
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errno = ENOMEM; return -1;
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}
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}
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if (_xioopen_opt_socksport(opts, socksport) < 0) {
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return STAT_NORETRY;
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}
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if (retropt_string(opts, OPT_SOCKSUSER, &userid) < 0) {
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@ -20,6 +20,7 @@ extern const struct optdesc opt_socksuser;
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extern const struct addrdesc xioaddr_socks4_connect;
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extern const struct addrdesc xioaddr_socks4a_connect;
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extern int _xioopen_opt_socksport(struct opt *opts, char **socksport);
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extern int _xioopen_socks4_prepare(const char *targetport, struct opt *opts, char **socksport, struct socks4 *sockhead, size_t *headlen);
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extern int
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_xioopen_socks4_connect0(struct single *xfd,
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16
xio-socks5.c
16
xio-socks5.c
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@ -19,6 +19,7 @@
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#include "xio-socket.h"
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#include "xio-ip.h"
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#include "xio-ipapp.h"
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#include "xio-socks.h" /* _xioopen_opt_socksport() */
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#include "xio-socks5.h"
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@ -50,9 +51,9 @@
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static int xioopen_socks5(int argc, const char *argv[], struct opt *opts, int xioflags, xiofile_t *xxfd, const struct addrdesc *addrdesc);
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const struct addrdesc xioaddr_socks5_connect = { "SOCKS5-CONNECT", 1+XIO_RDWR, xioopen_socks5, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_IP4|GROUP_SOCK_IP6|GROUP_IP_TCP|GROUP_CHILD|GROUP_RETRY, SOCKS5_COMMAND_CONNECT, 0, 0 HELP(":<socks-server>:<socks-port>:<target-host>:<target-port>") };
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const struct addrdesc xioaddr_socks5_connect = { "SOCKS5-CONNECT", 1+XIO_RDWR, xioopen_socks5, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_IP4|GROUP_SOCK_IP6|GROUP_IP_TCP|GROUP_IP_SOCKS|GROUP_CHILD|GROUP_RETRY, SOCKS5_COMMAND_CONNECT, 0, 0 HELP(":<socks-server>[:<socks-port>]:<target-host>:<target-port>") };
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const struct addrdesc xioaddr_socks5_listen = { "SOCKS5-LISTEN", 1+XIO_RDWR, xioopen_socks5, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_IP4|GROUP_SOCK_IP6|GROUP_IP_TCP|GROUP_CHILD|GROUP_RETRY, SOCKS5_COMMAND_BIND, 0, 0 HELP(":<socks-server>:<socks-port>:<listen-host>:<listen-port>") };
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const struct addrdesc xioaddr_socks5_listen = { "SOCKS5-LISTEN", 1+XIO_RDWR, xioopen_socks5, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_IP4|GROUP_SOCK_IP6|GROUP_IP_TCP|GROUP_CHILD|GROUP_RETRY, SOCKS5_COMMAND_BIND, 0, 0 HELP(":<socks-server>[:<socks-port>]:<listen-host>:<listen-port>") };
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static const char * _xioopen_socks5_strerror(uint8_t r)
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{
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@ -521,15 +522,20 @@ static int xioopen_socks5(
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Error1("%s: use option --experimental to acknowledge unmature state", argv[0]);
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return STAT_NORETRY;
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}
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if (argc != 5) {
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if (argc < 4 || argc > 5) {
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xio_syntax(argv[0], 4, argc-1, addrdesc->syntax);
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return STAT_NORETRY;
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}
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socks_server = argv[1];
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if (argc == 5) {
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socks_port = argv[2];
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target_name = argv[3];
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target_port = argv[4];
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} else {
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target_name = argv[2];
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target_port = argv[3];
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}
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if (sfd->howtoend == END_UNSPEC)
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sfd->howtoend = END_SHUTDOWN;
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@ -539,6 +545,10 @@ static int xioopen_socks5(
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retropt_int(opts, OPT_SO_TYPE, &socktype);
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retropt_bool(opts, OPT_FORK, &dofork);
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if (_xioopen_opt_socksport(opts, (char **)&socks_port) < 0) {
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return STAT_NORETRY;
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}
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result = _xioopen_ipapp_prepare(opts, &opts0, socks_server, socks_port,
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&pf, ipproto,
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sfd->para.socket.ip.ai_flags,
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@ -46,7 +46,7 @@ static const char *addressgroupnames[] = {
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"LISTEN", "SHELL", "CHILD", "RETRY",
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"TERMIOS", "RANGE", "PTY", "PARENT",
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"UNIX", "IP4", "IP6", "INTERFACE",
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"UDP", "TCP", "SOCKS4", "OPENSSL",
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"UDP", "TCP", "SOCKS", "OPENSSL",
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"PROCESS", "APPL", "HTTP", "undef",
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"POSIXMQ", "SCTP", "DCCP", "UDPLITE"
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} ;
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@ -182,7 +182,7 @@ enum e_func {
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#define GROUP_IP_UDP 0x01000000 /* not yet used? */
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#define GROUP_IP_TCP 0x02000000
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#define GROUP_IP_SOCKS4 0x04000000
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#define GROUP_IP_SOCKS 0x04000000 /* for socks4(a), socks5 */
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#define GROUP_OPENSSL 0x08000000
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#define GROUP_PROCESS 0x10000000 /* a process related option */
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