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https://github.com/Stichting-MINIX-Research-Foundation/pkgsrc-ng.git
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77 lines
1.7 KiB
Plaintext
77 lines
1.7 KiB
Plaintext
$NetBSD: patch-aa,v 1.4 2009/02/11 08:06:17 obache Exp $
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--- main.c.orig 2003-08-07 23:55:55.000000000 +0000
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+++ main.c
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@@ -47,7 +47,8 @@ unsigned int
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signlen,
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lsr_length = 0,
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ssr_length = 0,
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- tcp_ack;
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+ tcp_ack,
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+ tcp_mss;
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unsigned short int
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@@ -65,6 +66,7 @@ int
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recv_pkt = 0,
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out_of_sequence_pkt = 0,
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sending_wait = DEFAULT_SENDINGWAIT, /* see DEFAULT_SENDINGWAIT */
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+ opt_flood = FALSE,
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opt_rawipmode = FALSE,
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opt_icmpmode = FALSE,
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opt_udpmode = FALSE,
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@@ -98,6 +100,7 @@ int
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opt_tcpexitcode = FALSE,
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opt_badcksum = FALSE,
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opt_tr_keep_ttl = FALSE,
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+ opt_tcp_mss = FALSE,
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opt_tcp_timestamp = FALSE,
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opt_tr_stop = FALSE,
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opt_tr_no_rtt = FALSE,
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@@ -179,6 +182,17 @@ int main(int argc, char **argv)
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char setflags[1024] = {'\0'};
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int c, hdr_size;
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+ /* open raw socket */
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+ sockraw = open_sockraw();
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+ if (sockraw == -1) {
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+ printf("[main] can't open raw socket\n");
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+ exit(1);
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+ }
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+ if (getuid() && setuid(getuid()) == -1) {
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+ printf("[main] can't drop privs\n");
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+ exit(1);
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+ }
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+
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if (parse_options(argc, argv) == -1) {
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printf("hping2: missing host argument\n"
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"Try `hping2 --help' for more information.\n");
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@@ -219,13 +233,6 @@ int main(int argc, char **argv)
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ifname, ifstraddr, h_if_mtu);
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}
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- /* open raw socket */
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- sockraw = open_sockraw();
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- if (sockraw == -1) {
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- printf("[main] can't open raw socket\n");
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- exit(1);
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- }
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-
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/* set SO_BROADCAST option */
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socket_broadcast(sockraw);
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/* set SO_IPHDRINCL option */
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@@ -355,6 +362,13 @@ int main(int argc, char **argv)
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}
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}
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+ /* flood mode */
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+ if (opt_flood) {
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+ printf("Flooding...\n");
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+ for (;;)
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+ send_packet(0 /* dummy */);
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+ }
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+
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/* start packet sending */
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kill(getpid(), SIGALRM);
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