97 lines
2.6 KiB
Diff
97 lines
2.6 KiB
Diff
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Index: netcat-openbsd-1.89/netcat.c
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===================================================================
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--- netcat-openbsd-1.89.orig/netcat.c 2007-02-20 09:11:17.000000000 -0500
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+++ netcat-openbsd-1.89/netcat.c 2008-01-21 18:48:23.000000000 -0500
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@@ -55,6 +55,8 @@
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#include <limits.h>
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#include "atomicio.h"
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+#include <glib.h>
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+
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#ifndef SUN_LEN
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#define SUN_LEN(su) \
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(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
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@@ -414,7 +416,7 @@
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memset(&sun, 0, sizeof(struct sockaddr_un));
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sun.sun_family = AF_UNIX;
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- if (strlcpy(sun.sun_path, path, sizeof(sun.sun_path)) >=
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+ if (g_strlcpy(sun.sun_path, path, sizeof(sun.sun_path)) >=
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sizeof(sun.sun_path)) {
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close(s);
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errno = ENAMETOOLONG;
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@@ -445,7 +447,7 @@
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memset(&sun, 0, sizeof(struct sockaddr_un));
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sun.sun_family = AF_UNIX;
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- if (strlcpy(sun.sun_path, path, sizeof(sun.sun_path)) >=
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+ if (g_strlcpy(sun.sun_path, path, sizeof(sun.sun_path)) >=
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sizeof(sun.sun_path)) {
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close(s);
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errno = ENAMETOOLONG;
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@@ -549,11 +551,11 @@
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if ((s = socket(res0->ai_family, res0->ai_socktype,
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res0->ai_protocol)) < 0)
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continue;
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-
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+ #ifdef SO_REUSEPORT
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ret = setsockopt(s, SOL_SOCKET, SO_REUSEPORT, &x, sizeof(x));
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if (ret == -1)
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err(1, NULL);
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-
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+ #endif
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set_common_sockopts(s);
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if (bind(s, (struct sockaddr *)res0->ai_addr,
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@@ -719,7 +721,8 @@
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char *c;
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for (x = 0; x <= (hi - lo); x++) {
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- y = (arc4random() & 0xFFFF) % (hi - lo);
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+ /* use random instead of arc4random */
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+ y = (random() & 0xFFFF) % (hi - lo);
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c = portlist[x];
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portlist[x] = portlist[y];
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portlist[y] = c;
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@@ -761,21 +764,25 @@
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{
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int x = 1;
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+#ifdef TCP_MD5SIG
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if (Sflag) {
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if (setsockopt(s, IPPROTO_TCP, TCP_MD5SIG,
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&x, sizeof(x)) == -1)
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err(1, NULL);
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}
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+#endif
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if (Dflag) {
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if (setsockopt(s, SOL_SOCKET, SO_DEBUG,
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&x, sizeof(x)) == -1)
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err(1, NULL);
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}
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+#ifdef SO_JUMBO
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if (jflag) {
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if (setsockopt(s, SOL_SOCKET, SO_JUMBO,
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&x, sizeof(x)) == -1)
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err(1, NULL);
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}
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+#endif
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if (Tflag != -1) {
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if (setsockopt(s, IPPROTO_IP, IP_TOS,
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&Tflag, sizeof(Tflag)) == -1)
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@@ -816,9 +823,11 @@
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\t-n Suppress name/port resolutions\n\
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\t-P proxyuser\tUsername for proxy authentication\n\
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\t-p port\t Specify local port for remote connects\n\
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- \t-r Randomize remote ports\n\
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- \t-S Enable the TCP MD5 signature option\n\
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- \t-s addr\t Local source address\n\
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+ \t-r Randomize remote ports\n "
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+#ifdef TCP_MD5SIG
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+" \t-S Enable the TCP MD5 signature option\n"
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+#endif
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+" \t-s addr\t Local source address\n\
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\t-T ToS\t Set IP Type of Service\n\
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\t-t Answer TELNET negotiation\n\
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\t-U Use UNIX domain socket\n\
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