toybox: toys/other/ifconfig.c annotate

annotate toys/other/ifconfig.c @ 1257:eb19245b94b6 draft

An issue in ifconfig while verifying the HW Address, which is assumed to be of the format __C2:79:38:95:CD:AB__ but can be of form __C2:79:38:95:D:A__. In this case the HW address is reported as bad.

author	Ashwini sharma <ak.ashwini1981@gmail.com>
date	Sun, 13 Apr 2014 16:04:16 -0500
parents	1aa9b7f39e4a
children	00c20f410c46

rev	line source
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	1 /* ifconfig.c - Configure network interface.
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	2 *
844 f8250900f94b More ifconfig cleanups, mostly removing unused code. Rob Landley <rob@landley.net> parents: 843 diff changeset	3 * Copyright 2012 Ranjan Kumar <ranjankumar.bth@gmail.com>
f8250900f94b More ifconfig cleanups, mostly removing unused code. Rob Landley <rob@landley.net> parents: 843 diff changeset	4 * Copyright 2012 Kyungwan Han <asura321@gamil.com>
f8250900f94b More ifconfig cleanups, mostly removing unused code. Rob Landley <rob@landley.net> parents: 843 diff changeset	5 * Reviewed by Kyungsu Kim <kaspyx@gmail.com>
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	6 *
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	7 * Not in SUSv4.
844 f8250900f94b More ifconfig cleanups, mostly removing unused code. Rob Landley <rob@landley.net> parents: 843 diff changeset	8
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	9 USE_IFCONFIG(NEWTOY(ifconfig, "?a", TOYFLAG_BIN))
844 f8250900f94b More ifconfig cleanups, mostly removing unused code. Rob Landley <rob@landley.net> parents: 843 diff changeset	10
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	11 config IFCONFIG
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	12 bool "ifconfig"
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	13 default y
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	14 help
1133 f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	15 usage: ifconfig [-a] [INTERFACE [ACTION...]]
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	16
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	17 Display or configure network interface.
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	18
1133 f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	19 With no arguments, display active interfaces. First argument is interface
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	20 to operate on, one argument by itself displays that interface.
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	21
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	22 -a Show all interfaces, not just active ones
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	23
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	24 Additional arguments are actions to perform on the interface:
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	25
1133 f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	26 ADDRESS[/NETMASK] - set IPv4 address (1.2.3.4/5)
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	27 default - unset ipv4 address
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	28 add\|del ADDRESS[/PREFIXLEN] - add/remove IPv6 address (1111::8888/128)
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	29 up - enable interface
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	30 down - disable interface
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	31
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	32 netmask\|broadcast\|pointopoint ADDRESS - set more IPv4 characteristics
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	33 hw ether\|infiniband ADDRESS - set LAN hardware address (AA:BB:CC...)
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	34 txqueuelen LEN - number of buffered packets before output blocks
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	35 mtu LEN - size of outgoing packets (Maximum Transmission Unit)
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	36
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	37 Flags you can set on an interface (or -remove by prefixing with -):
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	38 arp - don't use Address Resolution Protocol to map LAN routes
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	39 promisc - don't discard packets that aren't to this LAN hardware address
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	40 multicast - force interface into multicast mode if the driver doesn't
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	41 allmulti - promisc for multicast packets
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	42
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	43 Obsolete fields included for historical purposes:
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	44 irq\|io_addr\|mem_start ADDR - micromanage obsolete hardware
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	45 outfill\|keepalive INTEGER - SLIP analog dialup line quality monitoring
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	46 metric INTEGER - added to Linux 0.9.10 with comment "never used", still true
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	47 */
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	48
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	49 #define FOR_ifconfig
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	50 #include "toys.h"
844 f8250900f94b More ifconfig cleanups, mostly removing unused code. Rob Landley <rob@landley.net> parents: 843 diff changeset	51
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	52 #include <net/if_arp.h>
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	53 #include <net/ethernet.h>
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	54
866 0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	55 GLOBALS(
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	56 int sockfd;
866 0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	57 )
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	58
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	59 // Convert hostname to binary address for AF_INET or AF_INET6
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	60 // return /prefix (or range max if none)
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	61 int get_addrinfo(char host, sa_family_t af, void addr)
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	62 {
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	63 struct addrinfo hints, result, rp = 0;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	64 int status, len;
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	65 char from, slash;
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	66
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	67 memset(&hints, 0 , sizeof(struct addrinfo));
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	68 hints.ai_family = af;
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	69 hints.ai_socktype = SOCK_STREAM;
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	70
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	71 slash = strchr(host, '/');
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	72 if (slash) *slash = 0;
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	73
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	74 status = getaddrinfo(host, NULL, &hints, &result);
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	75 if (!status)
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	76 for (rp = result; rp; rp = rp->ai_next)
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	77 if (rp->ai_family == af) break;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	78 if (!rp) error_exit("bad address '%s' : %s", host, gai_strerror(status));
852 6be04ec7b7ac More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 844 diff changeset	79
1133 f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	80 // ai_addr isn't struct in_addr or in6_addr, it's struct sockaddr. Of course.
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	81 // You'd think ipv4 and ipv6 would have some basic compatibility, but no.
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	82 from = ((char *)rp->ai_addr) + 4;
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	83 if (af == AF_INET6) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	84 len = 16;
1133 f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	85 from += 4; // skip "flowinfo" field ipv6 puts before address
f8c926309a21 Cleanup help text, remove dead fields unused by linux kernel. Rob Landley <rob@landley.net> parents: 1132 diff changeset	86 } else len = 4;
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	87 memcpy(addr, from, len);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	88 freeaddrinfo(result);
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	89
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	90 len = -1;
1238 1aa9b7f39e4a In ifconfig.c, there is a glitch in function get_addrinfo() when computing the prefix length. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1211 diff changeset	91 if (slash) len = atolx_range(slash+1, 0, (af == AF_INET) ? 32 : 128);
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	92
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	93 return len;
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	94 }
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	95
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	96 static void display_ifconfig(char *name, int always, unsigned long long val[])
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	97 {
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	98 struct ifreq ifre;
879 bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	99 struct {
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	100 int type;
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	101 char *title;
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	102 } types[] = {
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	103 {ARPHRD_LOOPBACK, "Local Loopback"}, {ARPHRD_ETHER, "Ethernet"},
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	104 {ARPHRD_PPP, "Point-to-Point Protocol"}, {ARPHRD_INFINIBAND, "InfiniBand"},
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	105 {ARPHRD_SIT, "IPv6-in-IPv4"}, {-1, "UNSPEC"}
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	106 };
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	107 int i;
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	108 char *pp;
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	109 FILE *fp;
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	110 short flags;
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	111
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	112 xstrncpy(ifre.ifr_name, name, IFNAMSIZ);
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	113 if (ioctl(TT.sockfd, SIOCGIFFLAGS, &ifre)<0) perror_exit("%s", name);
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	114 flags = ifre.ifr_flags;
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	115 if (!always && !(flags & IFF_UP)) return;
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	116
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	117 // query hardware type and hardware address
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	118 i = ioctl(TT.sockfd, SIOCGIFHWADDR, &ifre);
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	119
879 bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	120 for (i=0; i < (sizeof(types)/sizeof(*types))-1; i++)
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	121 if (ifre.ifr_hwaddr.sa_family == types[i].type) break;
879 bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	122
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	123 xprintf("%-9s Link encap:%s ", name, types[i].title);
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	124 if(i >= 0 && ifre.ifr_hwaddr.sa_family == ARPHRD_ETHER) {
879 bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	125 xprintf("HWaddr ");
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	126 for (i=0; i<6; i++) xprintf(":%02X"+!i, ifre.ifr_hwaddr.sa_data[i]);
879 bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	127 }
852 6be04ec7b7ac More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 844 diff changeset	128 xputc('\n');
866 0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	129
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	130 // If an address is assigned record that.
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	131
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	132 ifre.ifr_addr.sa_family = AF_INET;
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	133 memset(&ifre.ifr_addr, 0, sizeof(ifre.ifr_addr));
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	134 ioctl(TT.sockfd, SIOCGIFADDR, &ifre);
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	135 pp = (char *)&ifre.ifr_addr;
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	136 for (i = 0; i<sizeof(ifre.ifr_addr); i++) if (pp[i]) break;
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	137
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	138 if (i != sizeof(ifre.ifr_addr)) {
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	139 struct sockaddr_in si = (struct sockaddr_in )&ifre.ifr_addr;
907 ecb0befac82a More ifconfig cleanup, inlining show_ip_addr(), hex_to_binary(), and set_hw_address(). Rob Landley <rob@landley.net> parents: 906 diff changeset	140 struct {
ecb0befac82a More ifconfig cleanup, inlining show_ip_addr(), hex_to_binary(), and set_hw_address(). Rob Landley <rob@landley.net> parents: 906 diff changeset	141 char *name;
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	142 int flag, ioctl;
907 ecb0befac82a More ifconfig cleanup, inlining show_ip_addr(), hex_to_binary(), and set_hw_address(). Rob Landley <rob@landley.net> parents: 906 diff changeset	143 } addr[] = {
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	144 {"addr", 0, 0},
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	145 {"P-t-P", IFF_POINTOPOINT, SIOCGIFDSTADDR},
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	146 {"Bcast", IFF_BROADCAST, SIOCGIFBRDADDR},
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	147 {"Mask", 0, SIOCGIFNETMASK}
907 ecb0befac82a More ifconfig cleanup, inlining show_ip_addr(), hex_to_binary(), and set_hw_address(). Rob Landley <rob@landley.net> parents: 906 diff changeset	148 };
879 bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	149
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	150 xprintf("%10c%s", ' ', (si->sin_family == AF_INET) ? "inet" :
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	151 (si->sin_family == AF_INET6) ? "inet6" : "unspec");
907 ecb0befac82a More ifconfig cleanup, inlining show_ip_addr(), hex_to_binary(), and set_hw_address(). Rob Landley <rob@landley.net> parents: 906 diff changeset	152
ecb0befac82a More ifconfig cleanup, inlining show_ip_addr(), hex_to_binary(), and set_hw_address(). Rob Landley <rob@landley.net> parents: 906 diff changeset	153 for (i=0; i < sizeof(addr)/sizeof(*addr); i++) {
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	154 if (!addr[i].flag \|\| (flags & addr[i].flag)) {
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	155 if (addr[i].ioctl && ioctl(TT.sockfd, addr[i].ioctl, &ifre))
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	156 si->sin_family = 0;
907 ecb0befac82a More ifconfig cleanup, inlining show_ip_addr(), hex_to_binary(), and set_hw_address(). Rob Landley <rob@landley.net> parents: 906 diff changeset	157 xprintf(" %s:%s ", addr[i].name,
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	158 (si->sin_family == 0xFFFF \|\| !si->sin_family)
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	159 ? "[NOT SET]" : inet_ntoa(si->sin_addr));
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	160 }
907 ecb0befac82a More ifconfig cleanup, inlining show_ip_addr(), hex_to_binary(), and set_hw_address(). Rob Landley <rob@landley.net> parents: 906 diff changeset	161 }
ecb0befac82a More ifconfig cleanup, inlining show_ip_addr(), hex_to_binary(), and set_hw_address(). Rob Landley <rob@landley.net> parents: 906 diff changeset	162
879 bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	163 xputc('\n');
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	164 }
bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	165
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	166 fp = fopen(pp = "/proc/net/if_inet6", "r");
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	167 if (fp) {
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	168 char iface_name[IFNAMSIZ];
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	169 int plen, iscope;
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	170
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	171 while (fgets(toybuf, sizeof(toybuf), fp)) {
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	172 int nitems;
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	173 char ipv6_addr[40];
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	174
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	175 nitems = sscanf(toybuf, "%32s %08x %02x %02x %02x %15s\n",
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	176 ipv6_addr, &plen, &iscope, iface_name);
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	177 if (nitems<0 && feof(fp)) break;
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	178 if (nitems != 4) perror_exit("bad %s", pp);
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	179
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	180 if (!strcmp(name, iface_name)) {
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	181 struct sockaddr_in6 s6;
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	182 char *ptr = ipv6_addr+sizeof(ipv6_addr)-1;
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	183
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	184 // convert giant hex string into colon-spearated ipv6 address by
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	185 // inserting ':' every 4 characters.
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	186 for (i = 32; i; i--)
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	187 if (((ptr--) = ipv6_addr[i])) if (!(i&3)) (ptr--) = ':';
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	188
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	189 // Convert to binary and back to get abbreviated :: version
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	190 if (inet_pton(AF_INET6, ipv6_addr, (void *)&s6.sin6_addr) > 0) {
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	191 if (inet_ntop(AF_INET6, &s6.sin6_addr, toybuf, sizeof(toybuf))) {
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	192 char *scopes[] = {"Global","Host","Link","Site","Compat"},
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	193 *scope = "Unknown";
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	194
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	195 for (i=0; i < sizeof(scopes)/sizeof(*scopes); i++)
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	196 if (iscope == (!!i)<<(i+3)) scope = scopes[i];
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	197 xprintf("%10cinet6 addr: %s/%d Scope: %s\n",
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	198 ' ', toybuf, plen, scope);
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	199 }
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	200 }
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	201 }
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	202 }
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	203 fclose(fp);
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	204 }
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	205
879 bc7aa2d123b9 And another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 878 diff changeset	206 xprintf("%10c", ' ');
866 0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	207
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	208 if (flags) {
866 0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	209 unsigned short mask = 1;
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	210 char *s, str[] = {
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	211 "UP", "BROADCAST", "DEBUG", "LOOPBACK", "POINTOPOINT", "NOTRAILERS",
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	212 "RUNNING", "NOARP", "PROMISC", "ALLMULTI", "MASTER", "SLAVE", "MULTICAST",
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	213 "PORTSEL", "AUTOMEDIA", "DYNAMIC", NULL
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	214 };
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	215
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	216 for (s = str; *s; s++) {
e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	217 if (flags & mask) xprintf("%s ", *s);
866 0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	218 mask = mask << 1;
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	219 }
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	220 } else xprintf("[NO FLAGS] ");
0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	221
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	222 if (ioctl(TT.sockfd, SIOCGIFMTU, &ifre) < 0) ifre.ifr_mtu = 0;
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	223 xprintf(" MTU:%d", ifre.ifr_mtu);
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	224 if (ioctl(TT.sockfd, SIOCGIFMETRIC, &ifre) < 0) ifre.ifr_metric = 0;
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	225 if (!ifre.ifr_metric) ifre.ifr_metric = 1;
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	226 xprintf(" Metric:%d", ifre.ifr_metric);
866 0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	227
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	228 // non-virtual interface
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	229
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	230 if (val) {
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	231 char *label[] = {"RX bytes", "RX packets", "errors", "dropped", "overruns",
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	232 "frame", 0, 0, "TX bytes", "TX packets", "errors", "dropped", "overruns",
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	233 "collisions", "carrier", 0, "txqueuelen"};
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	234 signed char order[] = {-1, 1, 2, 3, 4, 5, -1, 9, 10, 11, 12, 14, -1,
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	235 13, 16, -1, 0, 8};
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	236 int i;
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	237
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	238 // Query txqueuelen
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	239 if (ioctl(TT.sockfd, SIOCGIFTXQLEN, &ifre) >= 0) val[16] = ifre.ifr_qlen;
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	240 else val[16] = -1;
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	241
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	242 for (i = 0; i < sizeof(order); i++) {
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	243 int j = order[i];
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	244
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	245 if (j < 0) xprintf("\n%10c", ' ');
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	246 else xprintf("%s:%llu ", label[j], val[j]);
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	247 }
842 af5aab6e6678 An ifconfig bugfix from the original submitter. Rob Landley <rob@landley.net> parents: 841 diff changeset	248 }
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	249 xputc('\n');
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	250
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	251 if(!ioctl(TT.sockfd, SIOCGIFMAP, &ifre) && (ifre.ifr_map.irq \|\|
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	252 ifre.ifr_map.mem_start \|\| ifre.ifr_map.dma \|\| ifre.ifr_map.base_addr))
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	253 {
866 0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	254 xprintf("%10c", ' ');
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	255 if(ifre.ifr_map.irq) xprintf("Interrupt:%d ", ifre.ifr_map.irq);
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	256 if(ifre.ifr_map.base_addr >= 0x100) // IO_MAP_INDEX
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	257 xprintf("Base address:0x%lx ", ifre.ifr_map.base_addr);
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	258 if(ifre.ifr_map.mem_start)
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	259 xprintf("Memory:%lx-%lx ", ifre.ifr_map.mem_start, ifre.ifr_map.mem_end);
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	260 if(ifre.ifr_map.dma) xprintf("DMA chan:%x ", ifre.ifr_map.dma);
852 6be04ec7b7ac More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 844 diff changeset	261 xputc('\n');
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	262 }
852 6be04ec7b7ac More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 844 diff changeset	263 xputc('\n');
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	264 }
cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	265
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	266 static void show_iface(char *iface_name)
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	267 {
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	268 char *name;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	269 struct string_list ifaces = 0, sl;
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	270 int i, j;
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	271 FILE *fp;
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	272
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	273 fp = xfopen("/proc/net/dev", "r");
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	274
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	275 for (i=0; fgets(toybuf, sizeof(toybuf), fp); i++) {
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	276 char *buf = toybuf;
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	277 unsigned long long val[17];
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	278
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	279 if (i<2) continue;
866 0fa773e2a4fe Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 864 diff changeset	280
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	281 while (isspace(*buf)) buf++;
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	282 name = strsep(&buf, ":");
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	283 if(!buf) error_exit("bad name %s", name);
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	284
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	285 errno = 0;
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	286 for (j=0; j<16 && !errno; j++) val[j] = strtoll(buf, &buf, 0);
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	287 if (errno) perror_exit("bad %s at %s", name, buf);
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	288
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	289 if (iface_name) {
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	290 if (!strcmp(iface_name, name)) {
1127 e0a8cbb1a5e3 The return of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1104 diff changeset	291 display_ifconfig(iface_name, 1, val);
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	292
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	293 return;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	294 }
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	295 } else {
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	296 sl = xmalloc(sizeof(*sl)+strlen(name)+1);
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	297 strcpy(sl->str, name);
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	298 sl->next = ifaces;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	299 ifaces = sl;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	300
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	301 display_ifconfig(sl->str, toys.optflags & FLAG_a, val);
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	302 }
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	303 }
aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	304 fclose(fp);
842 af5aab6e6678 An ifconfig bugfix from the original submitter. Rob Landley <rob@landley.net> parents: 841 diff changeset	305
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	306 if (iface_name) display_ifconfig(iface_name, 1, 0);
019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	307 else {
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	308 struct ifconf ifcon;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	309 struct ifreq *ifre;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	310 int num;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	311
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	312 // Loop until buffer's big enough
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	313 ifcon.ifc_buf = NULL;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	314 for (num = 30;;num += 10) {
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	315 ifcon.ifc_len = sizeof(struct ifreq)*num;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	316 ifcon.ifc_buf = xrealloc(ifcon.ifc_buf, ifcon.ifc_len);
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	317 xioctl(TT.sockfd, SIOCGIFCONF, &ifcon);
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	318 if (ifcon.ifc_len != sizeof(struct ifreq)*num) break;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	319 }
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	320
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	321 ifre = ifcon.ifc_req;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	322 for(num = 0; num < ifcon.ifc_len && ifre; num += sizeof(struct ifreq), ifre++)
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	323 {
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	324 // Skip duplicates
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	325 for(sl = ifaces; sl; sl = sl->next)
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	326 if(!strcmp(sl->str, ifre->ifr_name)) break;
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	327
958 019f54d50c8b More ifconfig cleanup: Remove if_list, unify get_device_info and display_ifconfig(), inline another magic constant #define that's only used once. Rob Landley <rob@landley.net> parents: 957 diff changeset	328 if(!sl) display_ifconfig(ifre->ifr_name, toys.optflags & FLAG_a, 0);
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	329 }
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	330
1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	331 free(ifcon.ifc_buf);
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	332 }
878 d4263ebf6f9b Yet more drive-by cleanup of ifconfig. Rob Landley <rob@landley.net> parents: 870 diff changeset	333
957 1ec29d7540e2 Another round of ifconfig cleanup. Rob Landley <rob@landley.net> parents: 921 diff changeset	334 llist_traverse(ifaces, free);
841 cb0c3a773437 Kyungwan Han submitted ifconfig. Rob Landley <rob@landley.net> parents: diff changeset	335 }
869 571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	336
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	337 // Encode offset and size of field into an int, and make result negative
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	338 #define IFREQ_OFFSZ(x) -(int)((offsetof(struct ifreq, x)<<16) + sizeof(ifre.x))
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	339
869 571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	340 void ifconfig_main(void)
571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	341 {
571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	342 char **argv = toys.optargs;
898 f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	343 struct ifreq ifre;
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	344 int i;
869 571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	345
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	346 TT.sockfd = xsocket(AF_INET, SOCK_DGRAM, 0);
878 d4263ebf6f9b Yet more drive-by cleanup of ifconfig. Rob Landley <rob@landley.net> parents: 870 diff changeset	347 if(toys.optc < 2) {
870 aa5bd0a358dd More ifconfig cleanup. Rob Landley <rob@landley.net> parents: 869 diff changeset	348 show_iface(*argv);
869 571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	349 return;
571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	350 }
571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	351
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	352 // Open interface
898 f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	353 memset(&ifre, 0, sizeof(struct ifreq));
f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	354 xstrncpy(ifre.ifr_name, *argv, IFNAMSIZ);
869 571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	355
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	356 // Perform operations on interface
898 f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	357 while(*++argv) {
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	358 // Table of known operations
905 e875b03e1fcc Yet more ifconfig cleanup. (As described on the mailing list [CLEANUP] thread.) Rob Landley <rob@landley.net> parents: 898 diff changeset	359 struct argh {
898 f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	360 char *name;
906 ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	361 int on, off; // set, clear
898 f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	362 } try[] = {
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	363 {0, IFF_UP\|IFF_RUNNING, SIOCSIFADDR},
906 ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	364 {"up", IFF_UP\|IFF_RUNNING, 0},
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	365 {"down", 0, IFF_UP},
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	366 {"arp", 0, IFF_NOARP},
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	367 {"promisc", IFF_PROMISC, 0},
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	368 {"allmulti", IFF_ALLMULTI, 0},
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	369 {"multicast", IFF_MULTICAST, 0},
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	370 {"pointopoint", IFF_POINTOPOINT, SIOCSIFDSTADDR},
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	371 {"broadcast", IFF_BROADCAST, SIOCSIFBRDADDR},
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	372 {"netmask", 0, SIOCSIFNETMASK},
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	373 {"dstaddr", 0, SIOCSIFDSTADDR},
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	374 {"mtu", IFREQ_OFFSZ(ifr_mtu), SIOCSIFMTU},
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	375 {"keepalive", IFREQ_OFFSZ(ifr_data), SIOCDEVPRIVATE}, // SIOCSKEEPALIVE
6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	376 {"outfill", IFREQ_OFFSZ(ifr_data), SIOCDEVPRIVATE+2}, // SIOCSOUTFILL
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	377 {"metric", IFREQ_OFFSZ(ifr_metric), SIOCSIFMETRIC},
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	378 {"txqueuelen", IFREQ_OFFSZ(ifr_qlen), SIOCSIFTXQLEN},
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	379 {"mem_start", IFREQ_OFFSZ(ifr_map.mem_start), SIOCSIFMAP},
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	380 {"io_addr", IFREQ_OFFSZ(ifr_map.base_addr), SIOCSIFMAP},
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	381 {"irq", IFREQ_OFFSZ(ifr_map.irq), SIOCSIFMAP},
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	382 {"inet", 0, 0},
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	383 {"inet6", 0, 0}
898 f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	384 };
f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	385 char s = argv;
f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	386 int rev = (*s == '-');
869 571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	387
898 f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	388 s += rev;
f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	389
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	390 // "set hardware address" is oddball enough to special case
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	391 if (!strcmp(*argv, "hw")) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	392 char hw_addr, ptr, *p;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	393 struct sockaddr *sock = &ifre.ifr_hwaddr;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	394 int count = 6;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	395
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	396 ptr = p = (char *)sock->sa_data;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	397 memset(sock, 0, sizeof(struct sockaddr));
1211 40e0f7b09b77 Fix two bugs reported by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 1202 diff changeset	398 if (argv[1]) {
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	399 if (!strcmp("ether", *++argv)) sock->sa_family = ARPHRD_ETHER;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	400 else if (!strcmp("infiniband", *argv)) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	401 sock->sa_family = ARPHRD_INFINIBAND;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	402 count = 20;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	403 p = ptr = toybuf;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	404 }
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	405 }
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	406 if (!sock->sa_family \|\| !argv[1]) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	407 toys.exithelp++;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	408 error_exit("bad hw '%s'", *argv);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	409 }
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	410 hw_addr = *++argv;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	411
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	412 // Parse and verify address.
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	413 while (*hw_addr && (p-ptr) < count) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	414 int val, len = 0;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	415
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	416 if (*hw_addr == ':') hw_addr++;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	417 sscanf(hw_addr, "%2x%n", &val, &len);
1257 eb19245b94b6 An issue in ifconfig while verifying the HW Address, which is assumed to be of the format __C2:79:38:95:CD:AB__ but can be of form __C2:79:38:95:D:A__. In this case the HW address is reported as bad. Ashwini sharma <ak.ashwini1981@gmail.com> parents: 1238 diff changeset	418 if (!len \|\| len > 2) break; // 1 nibble can be set e.g. C2:79:38:95:D:A
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	419 hw_addr += len;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	420 *p++ = val;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	421 }
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	422
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	423 if ((p-ptr) != count \|\| *hw_addr)
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	424 error_exit("bad hw-addr '%s'", hw_addr ? hw_addr : "");
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	425
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	426 // the linux kernel's "struct sockaddr" (include/linux/socket.h in the
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	427 // kernel source) only has 14 bytes of sa_data, and an infiniband address
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	428 // is 20. So if we go through the ioctl, the kernel will truncate
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	429 // infiniband addresses, meaning we have to go through sysfs instead.
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	430 if (sock->sa_family == ARPHRD_INFINIBAND && !strchr(ifre.ifr_name, '/')) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	431 int fd;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	432
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	433 sprintf(toybuf, "/sys/class/net/%s/address", ifre.ifr_name);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	434 fd = xopen(toybuf, O_RDWR);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	435 xwrite(fd, argv, strlen(argv));
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	436 close(fd);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	437 } else xioctl(TT.sockfd, SIOCSIFHWADDR, &ifre);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	438 continue;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	439
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	440 // Add/remove ipv6 address to interface
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	441
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	442 } else if (!strcmp(argv, "add") \|\| !strcmp(argv, "del")) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	443 struct ifreq_inet6 {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	444 struct in6_addr addr;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	445 unsigned prefix;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	446 int index;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	447 } ifre6;
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	448 int plen, fd6 = xsocket(AF_INET6, SOCK_DGRAM, 0);
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	449
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	450 if (!argv[1]) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	451 toys.exithelp++;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	452 error_exit(*argv);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	453 }
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	454
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	455 plen = get_addrinfo(argv[1], AF_INET6, &ifre6.addr);
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	456 if (plen < 0) plen = 128;
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	457 xioctl(fd6, SIOCGIFINDEX, &ifre);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	458 ifre6.index = ifre.ifr_ifindex;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	459 ifre6.prefix = plen;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	460 xioctl(fd6, **(argv++)=='a' ? SIOCSIFADDR : SIOCDIFADDR, &ifre6);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	461
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	462 close(fd6);
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	463 continue;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	464 // Iterate through table to find/perform operation
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	465 } else for (i = 0; i < sizeof(try)/sizeof(*try); i++) {
905 e875b03e1fcc Yet more ifconfig cleanup. (As described on the mailing list [CLEANUP] thread.) Rob Landley <rob@landley.net> parents: 898 diff changeset	466 struct argh *t = try+i;
906 ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	467 int on = t->on, off = t->off;
905 e875b03e1fcc Yet more ifconfig cleanup. (As described on the mailing list [CLEANUP] thread.) Rob Landley <rob@landley.net> parents: 898 diff changeset	468
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	469 if (!t->name) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	470 if (isdigit(*argv) \|\| !strcmp(argv, "default")) argv--;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	471 else continue;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	472 } else if (strcmp(t->name, s)) continue;
898 f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	473
906 ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	474 // Is this an SIOCSI entry?
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	475 if ((off\|0xff) == 0x89ff) {
906 ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	476 if (!rev) {
1155 63f8c7fa94d7 Ashwini sharma pointed out that show_help() doesn't exit so "ifconfig eth0 netmask" would segfault. Replace it with an error_exit(), see list for aesthetic issue this raises re: help text. Rob Landley <rob@landley.net> parents: 1133 diff changeset	477 if (!*++argv) error_exit("%s needs argument", t->name);
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	478
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	479 // Assign value to ifre field and call ioctl? (via IFREQ_OFFSZ.)
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	480 if (on < 0) {
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	481 long l = strtoul(*argv, 0, 0);
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	482
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	483 if (off == SIOCSIFMAP) xioctl(TT.sockfd, SIOCGIFMAP, &ifre);
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	484 on = -on;
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	485 poke((on>>16) + (char *)&ifre, l, on&15);
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	486 xioctl(TT.sockfd, off, &ifre);
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	487 break;
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	488 } else if (t->name \|\| !strchr(ifre.ifr_name, ':')) {
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	489 struct sockaddr_in si = (struct sockaddr_in )&ifre.ifr_addr;
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	490 int mask = -1;
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	491
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	492 si->sin_family = AF_INET;
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	493
9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	494 if (!strcmp(*argv, "default")) si->sin_addr.s_addr = INADDR_ANY;
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	495 else mask = get_addrinfo(*argv, AF_INET, &si->sin_addr);
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	496 xioctl(TT.sockfd, off, &ifre);
1193 f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	497
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	498 // Handle /netmask
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	499 if (mask >= 0) {
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	500 // sin_addr probably isn't unaligned, but just in case...
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	501 mask = htonl((~0)<<(32-mask));
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	502 memcpy(&si->sin_addr, &mask, 4);
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	503 xioctl(TT.sockfd, SIOCSIFNETMASK, &ifre);
f6f56a002d9a Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28" Rob Landley <rob@landley.net> parents: 1155 diff changeset	504 }
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	505 }
906 ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	506 }
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	507 off = 0;
905 e875b03e1fcc Yet more ifconfig cleanup. (As described on the mailing list [CLEANUP] thread.) Rob Landley <rob@landley.net> parents: 898 diff changeset	508 }
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	509
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	510 // Set flags
906 ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	511 if (on \|\| off) {
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	512 xioctl(TT.sockfd, SIOCGIFFLAGS, &ifre);
906 ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	513 ifre.ifr_flags &= ~(rev ? on : off);
ce0a9368b82f Next round of ifconfig cleanup, to be described on mailing list. Rob Landley <rob@landley.net> parents: 905 diff changeset	514 ifre.ifr_flags \|= (rev ? off : on);
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	515 xioctl(TT.sockfd, SIOCSIFFLAGS, &ifre);
905 e875b03e1fcc Yet more ifconfig cleanup. (As described on the mailing list [CLEANUP] thread.) Rob Landley <rob@landley.net> parents: 898 diff changeset	516 }
898 f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	517
f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	518 break;
f6db08574875 Ifconfig cleanup to option parsing. Rob Landley <rob@landley.net> parents: 883 diff changeset	519 }
1128 9eaec92e3713 Ifconfig cleanup. Rob Landley <rob@landley.net> parents: 1127 diff changeset	520 if (i == sizeof(try)/sizeof(*try)) {
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	521 toys.exithelp++;
a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	522 error_exit("bad argument '%s'", *argv);
869 571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	523 }
919 a186f9a1406d More ifconfig cleanup, described on list. Rob Landley <rob@landley.net> parents: 907 diff changeset	524 }
921 6a37f642b572 Yet more ifconfig cleanup. Rob Landley <rob@landley.net> parents: 919 diff changeset	525 close(TT.sockfd);
869 571e95bdf6af ifconfig cleanup (Reorder functions to eliminate need for prototypes, put main at end). Rob Landley <rob@landley.net> parents: 866 diff changeset	526 }

Mercurial > hg > toybox

annotate toys/other/ifconfig.c @ 1257:eb19245b94b6 draft