toybox: toys/pending/traceroute.c annotate

annotate toys/pending/traceroute.c @ 1736:5892daac85ab draft

Switch nsenter to default y.

author	Rob Landley <rob@landley.net>
date	Thu, 12 Mar 2015 15:34:03 -0500
parents	5fac2769a159
children

rev	line source
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	1 /* traceroute - trace the route to "host".
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	2 *
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	3 * Copyright 2012 Madhur Verma <mad.flexi@gmail.com>
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	4 * Copyright 2013 Kyungwan Han <asura321@gmail.com>
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	5 * Copyright 2013 Bilal Qureshi <bilal.jmi@gmail.com>
1160 a2a7eb0dd933 Updating the email id in Copyright. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1158 diff changeset	6 * Copyright 2013 Ashwini Kumar <ak.ashwini1981@gmail.com>
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	7 *
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	8 * No Standard
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	9
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	10 USE_TRACEROUTE(NEWTOY(traceroute, "<1>2i:f#<1>255=1z#<0>86400=0g*w#<0>86400=5t#<0>255=0s:q#<1>255=3p#<1>65535=33434m#<1>255=30rvndlIUF64", TOYFLAG_STAYROOT\|TOYFLAG_USR\|TOYFLAG_BIN))
1634 5fac2769a159 Redo option parsing infrastructure so #define FORCE_FLAGS can unzero flag macros for a disabled command (needed when multiple commands share infrastructure with a common set of flags). Rob Landley <rob@landley.net> parents: 1160 diff changeset	11 USE_TRACEROUTE(OLDTOY(traceroute6,traceroute, TOYFLAG_STAYROOT\|TOYFLAG_USR\|TOYFLAG_BIN))
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	12 config TRACEROUTE
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	13 bool "traceroute"
1158 81c64569c16e Pending commands default n. Rob Landley <rob@landley.net> parents: 1157 diff changeset	14 default n
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	15 help
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	16 usage: traceroute [-46FUIldnvr] [-f 1ST_TTL] [-m MAXTTL] [-p PORT] [-q PROBES]
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	17 [-s SRC_IP] [-t TOS] [-w WAIT_SEC] [-g GATEWAY] [-i IFACE] [-z PAUSE_MSEC] HOST [BYTES]
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	18
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	19 traceroute6 [-dnrv] [-m MAXTTL] [-p PORT] [-q PROBES][-s SRC_IP] [-t TOS] [-w WAIT_SEC]
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	20 [-i IFACE] HOST [BYTES]
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	21
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	22 Trace the route to HOST
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	23
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	24 -4,-6 Force IP or IPv6 name resolution
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	25 -F Set the don't fragment bit (supports IPV4 only)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	26 -U Use UDP datagrams instead of ICMP ECHO (supports IPV4 only)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	27 -I Use ICMP ECHO instead of UDP datagrams (supports IPV4 only)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	28 -l Display the TTL value of the returned packet (supports IPV4 only)
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	29 -d Set SO_DEBUG options to socket
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	30 -n Print numeric addresses
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	31 -v verbose
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	32 -r Bypass routing tables, send directly to HOST
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	33 -m Max time-to-live (max number of hops)(RANGE 1 to 255)
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	34 -p Base UDP port number used in probes(default 33434)(RANGE 1 to 65535)
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	35 -q Number of probes per TTL (default 3)(RANGE 1 to 255)
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	36 -s IP address to use as the source address
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	37 -t Type-of-service in probe packets (default 0)(RANGE 0 to 255)
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	38 -w Time in seconds to wait for a response (default 3)(RANGE 0 to 86400)
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	39 -g Loose source route gateway (8 max) (supports IPV4 only)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	40 -z Pause Time in milisec (default 0)(RANGE 0 to 86400) (supports IPV4 only)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	41 -f Start from the 1ST_TTL hop (instead from 1)(RANGE 1 to 255) (supports IPV4 only)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	42 -i Specify a network interface to operate with
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	43 */
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	44 #define FOR_traceroute
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	45 #include "toys.h"
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	46 #include <netinet/udp.h>
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	47 #include <netinet/ip_icmp.h>
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	48 #include <netinet/ip6.h>
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	49 #include <netinet/icmp6.h>
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	50
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	51 GLOBALS(
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	52 long max_ttl;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	53 long port;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	54 long ttl_probes;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	55 char *src_ip;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	56 long tos;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	57 long wait_time;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	58 struct arg_list *loose_source;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	59 long pause_time;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	60 long first_ttl;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	61 char *iface;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	62
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	63 uint32_t gw_list[9];
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	64 int recv_sock;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	65 int snd_sock;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	66 unsigned msg_len;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	67 char *packet;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	68 uint32_t ident;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	69 int istraceroute6;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	70 )
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	71
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	72 #ifndef SOL_IPV6
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	73 # define SOL_IPV6 IPPROTO_IPV6
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	74 #endif
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	75
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	76 #define ICMP_HD_SIZE4 8
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	77 #define USEC 1000000ULL
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	78
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	79 struct payload_s {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	80 uint32_t seq;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	81 uint32_t ident;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	82 };
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	83
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	84 char addr_str[INET6_ADDRSTRLEN];
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	85 struct sockaddr_storage dest;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	86
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	87 //Compute checksum SUM of buffer P of length LEN
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	88 static u_int16_t in_cksum(u_int16_t *p, u_int len)
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	89 {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	90 u_int32_t sum = 0;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	91 int nwords = len >> 1;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	92
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	93 while (nwords-- != 0) sum += *p++;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	94 if (len & 1) {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	95 union {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	96 u_int16_t w;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	97 u_int8_t c[2];
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	98 } u;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	99 u.c[0] = (u_char ) p;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	100 u.c[1] = 0;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	101 sum += u.w;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	102 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	103 // end-around-carry
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	104 sum = (sum >> 16) + (sum & 0xffff);
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	105 sum += (sum >> 16);
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	106 return (~sum);
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	107 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	108
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	109 //sends a single probe packet with sequence(SEQ) and time-to-live(TTL)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	110 static void send_probe4(int seq, int ttl)
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	111 {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	112 int res, len;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	113 void *out;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	114 struct payload_s send_data4 = (struct payload_s )(TT.packet);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	115 struct icmp send_icmp4 = (struct icmp )(TT.packet);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	116
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	117 if (toys.optflags & FLAG_U) {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	118 send_data4->seq = seq;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	119 send_data4->ident = TT.ident;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	120 ((struct sockaddr_in *)&dest)->sin_port = TT.port + seq;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	121 out = send_data4;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	122 } else {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	123 send_icmp4->icmp_type = ICMP_ECHO;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	124 send_icmp4->icmp_id = htons(TT.ident);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	125 send_icmp4->icmp_seq = htons(seq);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	126 send_icmp4->icmp_cksum = 0;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	127 send_icmp4->icmp_cksum = in_cksum((uint16_t *) send_icmp4, TT.msg_len);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	128 if (send_icmp4->icmp_cksum == 0) send_icmp4->icmp_cksum = 0xffff;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	129 out = send_icmp4;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	130 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	131
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	132 res = setsockopt(TT.snd_sock, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	133 if (res < 0) perror_exit("setsockopt ttl %d", ttl);
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	134
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	135 len = TT.msg_len;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	136 res = sendto(TT.snd_sock, out, len, 0, (struct sockaddr *) &dest,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	137 sizeof(struct sockaddr_in));
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	138 if (res != len) perror_exit(" sendto");
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	139 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	140
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	141 //sends a single probe packet with sequence(SEQ) and time-to-live(TTL)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	142 static void send_probe6(int seq, int ttl)
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	143 {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	144 void *out;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	145 struct payload_s send_data6 = (struct payload_s ) (TT.packet);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	146
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	147 send_data6->seq = seq;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	148 send_data6->ident = TT.ident;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	149 ((struct sockaddr_in6 *)&dest)->sin6_port = TT.port;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	150
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	151 if (setsockopt(TT.snd_sock, SOL_IPV6, IPV6_UNICAST_HOPS, &ttl,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	152 sizeof(ttl)) < 0) error_exit("setsockopt ttl %d", ttl);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	153
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	154 out = send_data6;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	155
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	156 if (sendto(TT.snd_sock, out, TT.msg_len, 0,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	157 (struct sockaddr *) &dest, sizeof(struct sockaddr_in6)) < 0)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	158 perror_exit("sendto");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	159 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	160
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	161 static void set_flag_dr(int sock)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	162 {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	163 int set = 1;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	164 if ((toys.optflags & FLAG_d) && (setsockopt(sock,SOL_SOCKET, SO_DEBUG,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	165 &set, sizeof(set)) < 0)) perror_exit("SO_DEBUG failed ");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	166
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	167 if ((toys.optflags & FLAG_r) && (setsockopt(sock, SOL_SOCKET, SO_DONTROUTE,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	168 &set, sizeof(set)) < 0)) perror_exit("SO_DONTROUTE failed ");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	169 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	170
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	171 static void bind_to_interface(int sock)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	172 {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	173 struct ifreq ifr;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	174
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	175 snprintf(ifr.ifr_name, IFNAMSIZ, "%s", TT.iface);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	176 if (setsockopt(sock, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	177 perror_msg("can't bind to interface %s", TT.iface);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	178 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	179
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	180 static void resolve_addr(char host, int family, int type, int proto, void sock)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	181 {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	182 struct addrinfo *info, hint;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	183 int ret;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	184
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	185 memset(&hint, 0, sizeof(hint));
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	186 hint.ai_family = family;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	187 hint.ai_socktype = type;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	188 hint.ai_protocol = proto;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	189
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	190 ret = getaddrinfo(host, NULL, &hint, &info);
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	191 if (ret \|\| !info) error_exit("bad address: %s ", host);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	192
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	193 memcpy(sock, info->ai_addr, info->ai_addrlen);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	194 freeaddrinfo(info);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	195 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	196
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	197 static void do_trace()
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	198 {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	199 int seq, fexit, ttl, tv = TT.wait_time * 1000;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	200 struct pollfd pfd[1];
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	201 struct sockaddr_storage from;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	202
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	203 memset(&from, 0, sizeof(from));
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	204 pfd[0].fd = TT.recv_sock;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	205 pfd[0].events = POLLIN;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	206
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	207 for (ttl = TT.first_ttl; ttl <= TT.max_ttl; ++ttl) {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	208 int probe, dest_reach = 0, print_verbose = 1;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	209 struct timeval t1, t2;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	210 struct sockaddr_storage last_addr;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	211
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	212 memset(&last_addr, 0, sizeof(last_addr));
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	213 fexit = 0;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	214 xprintf("%2d", ttl);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	215
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	216 for (probe = 0, seq = 0; probe < TT.ttl_probes; ++probe) {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	217 int res = 0, tleft;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	218
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	219 fflush(NULL);
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	220 if (!TT.istraceroute6)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	221 if (probe && (toys.optflags & FLAG_z)) usleep(TT.pause_time * 1000);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	222
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	223 if (!TT.istraceroute6) send_probe4(++seq, ttl);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	224 else send_probe6(++seq, ttl);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	225 gettimeofday(&t1, NULL);
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	226 t2 = t1;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	227
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	228 while ((tleft = (int)(tv - ((unsigned long long)(t2.tv_sec * 1000ULL
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	229 + t2.tv_usec/1000) - (unsigned long long)(t1.tv_sec * 1000ULL
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	230 + t1.tv_usec/1000)))) >= 0) {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	231 unsigned delta = 0;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	232 if (!(res = poll(pfd, 1, tleft))) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	233 xprintf(" *");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	234 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	235 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	236 gettimeofday(&t2, NULL);
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	237 if (res < 0) {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	238 if (errno != EINTR) perror_exit("poll");
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	239 continue;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	240 }
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	241 delta = (t2.tv_sec * USEC + t2.tv_usec)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	242 - (t1.tv_sec * USEC + t1.tv_usec);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	243
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	244 if (pfd[0].revents) {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	245 unsigned addrlen = sizeof(struct sockaddr_storage);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	246 int rcv_len, icmp_res = 0;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	247
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	248 rcv_len = recvfrom(TT.recv_sock, toybuf, sizeof(toybuf),
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	249 MSG_DONTWAIT, (struct sockaddr *) &from, &addrlen);
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	250 if (rcv_len <= 0) continue;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	251
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	252 if (!TT.istraceroute6) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	253 int pmtu = 0;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	254 struct ip rcv_pkt = (struct ip) toybuf;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	255 struct icmp *ricmp;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	256
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	257 ricmp = (struct icmp ) ((void)rcv_pkt + (rcv_pkt->ip_hl << 2));
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	258 if (ricmp->icmp_code == ICMP_UNREACH_NEEDFRAG)
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	259 pmtu = ntohs(ricmp->icmp_nextmtu);
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	260
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	261 if ((ricmp->icmp_type == ICMP_TIMXCEED
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	262 && ricmp->icmp_code == ICMP_TIMXCEED_INTRANS)
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	263 \|\| ricmp->icmp_type == ICMP_UNREACH
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	264 \|\| ricmp->icmp_type == ICMP_ECHOREPLY) {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	265
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	266 struct udphdr *hudp;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	267 struct icmp *hicmp;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	268 struct ip *hip = &ricmp->icmp_ip;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	269
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	270 if (toys.optflags & FLAG_U) {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	271 hudp = (struct udphdr) ((char)hip + (hip->ip_hl << 2));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	272 if ((hip->ip_hl << 2) + 12 <=(rcv_len - (rcv_pkt->ip_hl << 2))
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	273 && hip->ip_p == IPPROTO_UDP
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	274 && hudp->dest == (TT.port + seq))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	275 icmp_res = (ricmp->icmp_type == ICMP_TIMXCEED ? -1 :
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	276 ricmp->icmp_code);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	277 } else {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	278 hicmp = (struct icmp ) ((void)hip + (hip->ip_hl << 2));
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	279 if (ricmp->icmp_type == ICMP_ECHOREPLY
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	280 && ricmp->icmp_id == ntohs(TT.ident)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	281 && ricmp->icmp_seq == ntohs(seq))
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	282 icmp_res = ICMP_UNREACH_PORT;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	283 else if ((hip->ip_hl << 2) + ICMP_HD_SIZE4
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	284 <= (rcv_len - (rcv_pkt->ip_hl << 2))
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	285 && hip->ip_p == IPPROTO_ICMP
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	286 && hicmp->icmp_id == htons(TT.ident)
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	287 && hicmp->icmp_seq == htons(seq))
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	288 icmp_res = (ricmp->icmp_type == ICMP_TIMXCEED ? -1 :
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	289 ricmp->icmp_code);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	290 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	291 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	292 if (!icmp_res) continue;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	293
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	294 if (addrlen > 0) {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	295 if (memcmp(&((struct sockaddr_in *)&last_addr)->sin_addr,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	296 &((struct sockaddr_in *)&from)->sin_addr,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	297 sizeof(struct in_addr))) {
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	298 if (!(toys.optflags & FLAG_n)) {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	299 char host[NI_MAXHOST];
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	300 if (!getnameinfo((struct sockaddr *) &from,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	301 sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, 0))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	302 xprintf(" %s (", host);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	303 else xprintf(" %s (", inet_ntoa(
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	304 ((struct sockaddr_in *)&from)->sin_addr));
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	305 }
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	306 xprintf(" %s", inet_ntoa(
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	307 ((struct sockaddr_in *)&from)->sin_addr));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	308 if (!(toys.optflags & FLAG_n)) xprintf(")");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	309 memcpy(&last_addr, &from, sizeof(from));
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	310 }
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	311 xprintf(" %u.%03u ms", delta / 1000, delta % 1000);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	312 if (toys.optflags & FLAG_l) xprintf(" (%d)", rcv_pkt->ip_ttl);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	313 if (toys.optflags & FLAG_v) {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	314 xprintf(" %d bytes from %s : icmp type %d code %d\t",
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	315 rcv_len, inet_ntoa(((struct sockaddr_in *)&from)->sin_addr),
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	316 ricmp->icmp_type, ricmp->icmp_code);
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	317 }
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	318 } else xprintf("\t!H");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	319
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	320 switch (icmp_res) {
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	321 case ICMP_UNREACH_PORT:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	322 if (rcv_pkt->ip_ttl <= 1) xprintf(" !");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	323 dest_reach = 1;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	324 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	325 case ICMP_UNREACH_NET:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	326 xprintf(" !N");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	327 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	328 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	329 case ICMP_UNREACH_HOST:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	330 xprintf(" !H");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	331 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	332 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	333 case ICMP_UNREACH_PROTOCOL:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	334 xprintf(" !P");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	335 dest_reach = 1;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	336 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	337 case ICMP_UNREACH_NEEDFRAG:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	338 xprintf(" !F-%d", pmtu);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	339 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	340 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	341 case ICMP_UNREACH_SRCFAIL:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	342 xprintf(" !S");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	343 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	344 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	345 case ICMP_UNREACH_FILTER_PROHIB:
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	346 case ICMP_UNREACH_NET_PROHIB:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	347 xprintf(" !A");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	348 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	349 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	350 case ICMP_UNREACH_HOST_PROHIB:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	351 xprintf(" !C");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	352 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	353 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	354 case ICMP_UNREACH_HOST_PRECEDENCE:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	355 xprintf(" !V");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	356 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	357 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	358 case ICMP_UNREACH_PRECEDENCE_CUTOFF:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	359 xprintf(" !C");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	360 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	361 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	362 case ICMP_UNREACH_NET_UNKNOWN:
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	363 case ICMP_UNREACH_HOST_UNKNOWN:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	364 xprintf(" !U");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	365 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	366 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	367 case ICMP_UNREACH_ISOLATED:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	368 xprintf(" !I");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	369 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	370 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	371 case ICMP_UNREACH_TOSNET:
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	372 case ICMP_UNREACH_TOSHOST:
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	373 xprintf(" !T");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	374 ++fexit;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	375 break;
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	376 default:
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	377 break;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	378 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	379 break;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	380 } else {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	381 struct icmp6_hdr ricmp = (struct icmp6_hdr ) toybuf;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	382
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	383 if ((ricmp->icmp6_type == ICMP6_TIME_EXCEEDED
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	384 && ricmp->icmp6_code == ICMP6_TIME_EXCEED_TRANSIT)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	385 \|\| ricmp->icmp6_type == ICMP6_DST_UNREACH
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	386 \|\| ricmp->icmp6_type == ICMP6_ECHO_REPLY) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	387
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	388 struct ip6_hdr *hip;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	389 struct udphdr *hudp;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	390 int hdr_next;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	391
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	392 hip = (struct ip6_hdr *)(ricmp + 1);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	393 hudp = (struct udphdr*) (hip + 1);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	394 hdr_next = hip->ip6_nxt;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	395 if (hdr_next == IPPROTO_FRAGMENT) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	396 hdr_next = (unsigned char)hudp;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	397 hudp++;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	398 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	399
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	400 if (hdr_next == IPPROTO_UDP) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	401 struct payload_s pkt = (struct payload_s)(hudp + 1);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	402 if ((pkt->ident == TT.ident) && (pkt->seq == seq))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	403 icmp_res = (ricmp->icmp6_type == ICMP6_TIME_EXCEEDED) ? -1 :
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	404 ricmp->icmp6_code;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	405 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	406 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	407
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	408 if (!icmp_res) continue;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	409 if (addrlen > 0) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	410 if (memcmp(&((struct sockaddr_in6 *)&last_addr)->sin6_addr,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	411 &((struct sockaddr_in6 *)&from)->sin6_addr,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	412 sizeof(struct in6_addr))) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	413 if (!(toys.optflags & FLAG_n)) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	414 char host[NI_MAXHOST];
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	415 if (!getnameinfo((struct sockaddr *) &from,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	416 sizeof(from), host, sizeof(host), NULL, 0, 0))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	417 xprintf(" %s (", host);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	418 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	419 memset(addr_str, '\0', INET6_ADDRSTRLEN);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	420 inet_ntop(AF_INET6, &((struct sockaddr_in6 *)&from)->sin6_addr,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	421 addr_str, INET6_ADDRSTRLEN);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	422 xprintf(" %s", addr_str);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	423
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	424 if (!(toys.optflags & FLAG_n)) xprintf(")");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	425 memcpy(&last_addr,&from,sizeof(from));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	426 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	427
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	428 if (toys.optflags & FLAG_v) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	429 if(print_verbose){
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	430 memset(addr_str, '\0', INET6_ADDRSTRLEN);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	431 inet_ntop(AF_INET6, &((struct sockaddr_in6 *)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	432 &from)->sin6_addr, addr_str, INET6_ADDRSTRLEN);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	433 rcv_len -= sizeof(struct ip6_hdr);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	434 xprintf(" %d bytes to %s ", rcv_len, addr_str);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	435 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	436 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	437 xprintf(" %u.%03u ms", delta / 1000, delta % 1000);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	438 delta = 0;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	439
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	440 } else xprintf("\t!H");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	441
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	442 switch (icmp_res) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	443 case ICMP6_DST_UNREACH_NOPORT:
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	444 ++fexit;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	445 dest_reach = 1;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	446 break;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	447 case ICMP6_DST_UNREACH_NOROUTE:
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	448 xprintf(" !N");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	449 ++fexit;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	450 break;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	451 case ICMP6_DST_UNREACH_ADDR:
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	452 xprintf(" !H");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	453 ++fexit;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	454 break;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	455 case ICMP6_DST_UNREACH_ADMIN:
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	456 xprintf(" !S");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	457 ++fexit;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	458 break;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	459 default:
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	460 break;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	461 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	462 break;
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	463 }
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	464 } //revents
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	465 }
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	466 print_verbose = 0;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	467 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	468 xputc('\n');
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	469 if(!TT.istraceroute6) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	470 if (!memcmp(&((struct sockaddr_in *)&from)->sin_addr,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	471 &((struct sockaddr_in *)&dest)->sin_addr, sizeof(struct in_addr))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	472 \|\| dest_reach \|\| (fexit && fexit >= TT.ttl_probes -1))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	473 break;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	474 } else if (dest_reach \|\| (fexit > 0 && fexit >= TT.ttl_probes -1)) break;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	475 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	476 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	477
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	478 void traceroute_main(void)
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	479 {
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	480 unsigned opt_len = 0, pack_size = 0, tyser = 0;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	481 int lsrr = 0, set = 1;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	482
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	483 if(!(toys.optflags & FLAG_4) &&
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	484 (inet_pton(AF_INET6, toys.optargs[0], (void*)&dest)))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	485 toys.optflags \|= FLAG_6;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	486
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	487 memset(&dest, 0, sizeof(dest));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	488 if (toys.optflags & FLAG_6) TT.istraceroute6 = 1;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	489 else TT.istraceroute6 = toys.which->name[10] == '6';
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	490
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	491 if(!TT.istraceroute6 && (toys.optflags & FLAG_g)) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	492 struct arg_list *node;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	493
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	494 for (node = TT.loose_source; node; node = node->next, lsrr++) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	495 struct sockaddr_in sin;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	496
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	497 memset( &sin, 0, sizeof(sin));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	498 if (lsrr >= 8) error_exit("no more than 8 gateways"); // NGATEWAYS
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	499 resolve_addr(node->arg, AF_INET, SOCK_STREAM, 0, &sin);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	500 TT.gw_list[lsrr] = sin.sin_addr.s_addr;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	501 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	502 opt_len = (lsrr + 1) * sizeof(TT.gw_list[0]);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	503 } else TT.first_ttl = 1;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	504
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	505 TT.msg_len = pack_size = ICMP_HD_SIZE4; //udp payload is also 8bytes
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	506 if (toys.optargs[1])
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	507 TT.msg_len = atolx_range(toys.optargs[1], pack_size, 32768);//max packet size
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	508
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	509 TT.recv_sock = xsocket((TT.istraceroute6 ? AF_INET6 : AF_INET), SOCK_RAW,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	510 (TT.istraceroute6 ? IPPROTO_ICMPV6 : IPPROTO_ICMP));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	511
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	512 if (TT.istraceroute6) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	513 int two = 2;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	514 #ifdef IPV6_RECVPKTINFO
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	515 setsockopt(TT.recv_sock, SOL_IPV6, IPV6_RECVPKTINFO, &set,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	516 sizeof(set));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	517 setsockopt(TT.recv_sock, SOL_IPV6, IPV6_2292PKTINFO, &set,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	518 sizeof(set));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	519 #else
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	520 setsockopt(TT.recv_sock, SOL_IPV6, IPV6_PKTINFO, &set, sizeof(set));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	521 #endif
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	522
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	523 if (setsockopt(TT.recv_sock, SOL_RAW, IPV6_CHECKSUM, &two,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	524 sizeof(two)) < 0) perror_exit("setsockopt RAW_CHECKSUM");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	525 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	526
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	527 set_flag_dr(TT.recv_sock);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	528
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	529 if (!TT.istraceroute6) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	530 if (toys.optflags & FLAG_U)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	531 TT.snd_sock = xsocket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	532 else TT.snd_sock = xsocket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	533
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	534 if (toys.optflags & FLAG_i) bind_to_interface(TT.snd_sock);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	535
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	536 resolve_addr(toys.optargs[0], AF_INET, ((toys.optflags & FLAG_U) ?
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	537 SOCK_DGRAM : SOCK_RAW), ((toys.optflags & FLAG_U) ? IPPROTO_UDP :
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	538 IPPROTO_ICMP), &dest);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	539 if (lsrr > 0) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	540 unsigned char optlist[MAX_IPOPTLEN];
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	541 unsigned size;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	542
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	543 TT.gw_list[lsrr] = ((struct sockaddr_in *)&dest)->sin_addr.s_addr;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	544 ++lsrr;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	545
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	546 optlist[0] = IPOPT_NOP;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	547 optlist[1] = IPOPT_LSRR;// loose source route option
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	548 size = lsrr * sizeof(TT.gw_list[0]);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	549 optlist[2] = size + 3;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	550 optlist[3] = IPOPT_MINOFF;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	551 memcpy(optlist + 4, TT.gw_list, size);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	552
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	553 if (setsockopt(TT.snd_sock, IPPROTO_IP, IP_OPTIONS,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	554 (char *)optlist, size + sizeof(TT.gw_list[0])) < 0)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	555 perror_exit("LSRR IP_OPTIONS");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	556 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	557 } else TT.snd_sock = xsocket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	558
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	559 if (setsockopt(TT.snd_sock, SOL_SOCKET, SO_SNDBUF, &TT.msg_len,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	560 sizeof(TT.msg_len)) < 0) perror_exit("SO_SNDBUF failed ");
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	561
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	562 if (!TT.istraceroute6) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	563 if ((toys.optflags & FLAG_t) &&
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	564 setsockopt(TT.snd_sock, IPPROTO_IP, IP_TOS, &tyser, sizeof(tyser)) < 0)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	565 perror_exit("IP_TOS %d failed ", TT.tos);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	566
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	567 #ifdef IP_DONTFRAG
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	568 if ((toys.optflags & FLAG_F) &&
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	569 (setsockopt(TT.snd_sock, IPPROTO_IP, IP_DONTFRAG, &set,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	570 sizeof(set)) < 0)) perror_exit("IP_DONTFRAG failed ");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	571 #endif
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	572 } else if (setsockopt(TT.snd_sock, IPPROTO_IPV6, IPV6_TCLASS, &TT.tos,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	573 sizeof(TT.tos)) < 0) perror_exit("IPV6_TCLASS %d failed ", TT.tos);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	574
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	575 set_flag_dr(TT.snd_sock);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	576 TT.packet = xzalloc(TT.msg_len);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	577 TT.ident = getpid();
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	578
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	579 if (!TT.istraceroute6) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	580 if (!(toys.optflags & FLAG_U)) TT.ident \|= 0x8000;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	581 if (toys.optflags & FLAG_s) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	582 struct sockaddr_in source;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	583
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	584 memset(&source, 0, sizeof(source));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	585 if (!inet_aton(TT.src_ip, &(source.sin_addr)))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	586 error_exit("bad address: %s", TT.src_ip);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	587 if (setsockopt(TT.snd_sock, IPPROTO_IP, IP_MULTICAST_IF,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	588 (struct sockaddr*)&source, sizeof(struct sockaddr_in)))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	589 perror_exit("can't set multicast source interface");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	590 if (bind(TT.snd_sock,(struct sockaddr*)&source,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	591 sizeof(struct sockaddr_in)) < 0) perror_exit("bind");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	592 }
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	593
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	594 if(TT.first_ttl > TT.max_ttl)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	595 error_exit("ERROR :Range for -f is 1 to %d (max ttl)", TT.max_ttl);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	596
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	597 xprintf("traceroute to %s(%s)", toys.optargs[0],
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	598 inet_ntoa(((struct sockaddr_in *)&dest)->sin_addr));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	599 } else {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	600 if (toys.optflags & FLAG_i) bind_to_interface(TT.snd_sock);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	601
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	602 resolve_addr(toys.optargs[0], AF_INET6, SOCK_DGRAM, IPPROTO_UDP, &dest);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	603 if (toys.optflags & FLAG_s) {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	604 struct sockaddr_in6 source;
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	605
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	606 memset(&source, 0, sizeof(source));
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	607 if(inet_pton(AF_INET6, TT.src_ip, &(source.sin6_addr)) <= 0)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	608 error_exit("bad address: %s", TT.src_ip);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	609
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	610 if (bind(TT.snd_sock,(struct sockaddr*)&source,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	611 sizeof(struct sockaddr_in6)) < 0)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	612 error_exit("bind: Cannot assign requested address");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	613 } else {
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	614 struct sockaddr_in6 prb;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	615 socklen_t len = sizeof(prb);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	616 int p_fd = xsocket(AF_INET6, SOCK_DGRAM, 0);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	617 if (toys.optflags & FLAG_i) bind_to_interface(p_fd);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	618
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	619 ((struct sockaddr_in6 *)&dest)->sin6_port = htons(1025);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	620 if (connect(p_fd, (struct sockaddr *)&dest, sizeof(struct sockaddr_in6)) < 0)
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	621 perror_exit("can't connect to remote host");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	622 if(getsockname(p_fd, (struct sockaddr *)&prb, &len))
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	623 error_exit("probe addr failed");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	624 close(p_fd);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	625 prb.sin6_port = 0;
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	626 if (bind(TT.snd_sock, (struct sockaddr*)&prb,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	627 sizeof(struct sockaddr_in6))) perror_exit("bind");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	628 if (bind(TT.recv_sock, (struct sockaddr*)&prb,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	629 sizeof(struct sockaddr_in6))) perror_exit("bind");
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	630 }
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	631
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	632 inet_ntop(AF_INET6, &((struct sockaddr_in6 *)&dest)->sin6_addr,
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	633 addr_str, INET6_ADDRSTRLEN);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	634 xprintf("traceroute6 to %s(%s)", toys.optargs[0], addr_str);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	635 }
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	636
1157 f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	637 if (toys.optflags & FLAG_s) xprintf(" from %s",TT.src_ip);
f10898e637ea IPv6 support is added into traceroute command. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1104 diff changeset	638 xprintf(", %ld hops max, %u byte packets\n", TT.max_ttl, TT.msg_len);
1075 565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	639
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	640 do_trace();
565eba9b549e traceroute from Ashwini Sharma Rob Landley <rob@landley.net> parents: diff changeset	641 }

Mercurial > hg > toybox

annotate toys/pending/traceroute.c @ 1736:5892daac85ab draft