Mercurial > hg > toybox
annotate toys/pending/ifconfig.c @ 842:af5aab6e6678
An ifconfig bugfix from the original submitter.
| author | Rob Landley <rob@landley.net> |
|---|---|
| date | Thu, 04 Apr 2013 19:39:44 -0500 |
| parents | cb0c3a773437 |
| children | 1b36ac92e2cc |
| rev | line source |
|---|---|
| 841 | 1 /* ifconfig.c - Configure network interface. |
| 2 * | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
3 * Copyright 2012 Ranjan Kumar <ranjankumar.bth@gmail.com> Kyungwan Han <asura321@gamil.com> |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
4 * Reviewed by Kyungsu Kim <kaspyx@gmail.com>, Kyungwan Han <asura321@gamil.com> |
| 841 | 5 * |
| 6 * Not in SUSv4. | |
| 7 * | |
| 8 USE_IFCONFIG(NEWTOY(ifconfig, "?a", TOYFLAG_BIN)) | |
| 9 config IFCONFIG | |
| 10 bool "ifconfig" | |
| 11 default y | |
| 12 help | |
| 13 usage: ifconfig [-a] interface [address] | |
| 14 | |
| 15 Configure network interface. | |
| 16 | |
| 17 [add ADDRESS[/PREFIXLEN]] | |
| 18 [del ADDRESS[/PREFIXLEN]] | |
| 19 [[-]broadcast [ADDRESS]] [[-]pointopoint [ADDRESS]] | |
| 20 [netmask ADDRESS] [dstaddr ADDRESS] | |
| 21 [outfill NN] [keepalive NN] | |
| 22 [hw ether|infiniband ADDRESS] [metric NN] [mtu NN] | |
| 23 [[-]trailers] [[-]arp] [[-]allmulti] | |
| 24 [multicast] [[-]promisc] [txqueuelen NN] [[-]dynamic] | |
| 25 [mem_start NN] [io_addr NN] [irq NN] | |
| 26 [up|down] ... | |
| 27 */ | |
| 28 | |
| 29 #define FOR_ifconfig | |
| 30 #include "toys.h" | |
| 31 #include "toynet.h" | |
| 32 #include <net/route.h> | |
| 33 #include <stddef.h> | |
| 34 #include <sys/un.h> | |
| 35 #include <net/if.h> | |
| 36 #include <net/if_arp.h> | |
| 37 #include <net/ethernet.h> | |
| 38 #include <alloca.h> | |
| 39 | |
| 40 #define TRUE ((int) 1) | |
| 41 #define HTTP_DEFAULT_PORT 80 | |
| 42 #define FTP_DEFAULT_PORT 21 | |
| 43 | |
| 44 #ifndef MAX_PORT_VALUE | |
| 45 #define MAX_PORT_VALUE 65535 | |
| 46 #endif | |
| 47 | |
| 48 typedef struct sockaddr_with_len { | |
| 49 union { | |
| 50 struct sockaddr sock; | |
| 51 struct sockaddr_in sock_in; | |
| 52 struct sockaddr_in6 sock_in6; | |
| 53 }sock_u; | |
| 54 socklen_t socklen; | |
| 55 }sockaddr_with_len; | |
| 56 | |
| 57 //Function Declaration. | |
| 58 int get_hostname(const char *, struct sockaddr_in *); | |
| 59 int get_addrinfo(const char *, struct sockaddr_in6 *); | |
| 60 void get_flag_value(char **, int); | |
| 61 void display_routes(int, int); | |
| 62 unsigned getport(const char *, const char *, unsigned); | |
| 63 void setport(struct sockaddr *, unsigned); | |
| 64 int connect_to_stream(const sockaddr_with_len *); | |
| 65 unsigned get_strtou(const char *, char **, int); | |
| 66 char *address_to_name(const struct sockaddr *); | |
| 67 sockaddr_with_len *get_sockaddr(const char *, int, sa_family_t); | |
| 68 | |
| 69 //Structure Declaration | |
| 70 typedef struct _proc_net_dev_info { | |
| 71 char ifrname[IFNAMSIZ]; //interface name. | |
| 72 unsigned long long receive_bytes; //total bytes received | |
| 73 unsigned long long receive_packets; //total packets received | |
| 74 unsigned long receive_errors; //bad packets received | |
| 75 unsigned long receive_drop; //no space in linux buffers | |
| 76 unsigned long receive_fifo; //receiver fifo overrun | |
| 77 unsigned long receive_frame; //received frame alignment error | |
| 78 unsigned long receive_compressed; | |
| 79 unsigned long receive_multicast; //multicast packets received | |
| 80 | |
| 81 unsigned long long transmit_bytes; //total bytes transmitted | |
| 82 unsigned long long transmit_packets; //total packets transmitted | |
| 83 unsigned long transmit_errors; //packet transmit problems | |
| 84 unsigned long transmit_drop; //no space available in linux | |
| 85 unsigned long transmit_fifo; | |
| 86 unsigned long transmit_colls; | |
| 87 unsigned long transmit_carrier; | |
| 88 unsigned long transmit_compressed; //num_tr_compressed; | |
| 89 }PROC_NET_DEV_INFO; | |
| 90 | |
| 91 //man netdevice | |
| 92 typedef struct _iface_list { | |
| 93 int hw_type; | |
| 94 short ifrflags; //used for addr, broadcast, and mask. | |
| 95 short ifaddr; //if set print ifraddr, irrdstaddr, ifrbroadaddr and ifrnetmask. | |
| 96 struct sockaddr ifraddr; | |
| 97 struct sockaddr ifrdstaddr; | |
| 98 struct sockaddr ifrbroadaddr; | |
| 99 struct sockaddr ifrnetmask; | |
| 100 struct sockaddr ifrhwaddr; | |
| 101 int ifrmtu; | |
| 102 int ifrmetric; | |
| 103 PROC_NET_DEV_INFO dev_info; | |
| 104 int txqueuelen; | |
| 105 struct ifmap ifrmap; | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
106 int non_virtual_iface; |
| 841 | 107 struct _iface_list *next; //, *prev; |
| 108 }IFACE_LIST; | |
| 109 | |
| 110 | |
| 111 #define HW_NAME_LEN 20 | |
| 112 #define HW_TITLE_LEN 30 | |
| 113 | |
| 114 typedef struct _hw_info { | |
| 115 char hw_name[HW_NAME_LEN]; | |
| 116 char hw_title[HW_TITLE_LEN]; | |
| 117 int hw_addrlen; | |
| 118 }HW_INFO; | |
| 119 | |
| 120 static const char *const field_format[] = { | |
| 121 "%n%llu%u%u%u%u%n%n%n%llu%u%u%u%u%u", | |
| 122 "%llu%llu%u%u%u%u%n%n%llu%llu%u%u%u%u%u", | |
| 123 "%llu%llu%u%u%u%u%u%u%llu%llu%u%u%u%u%u%u" | |
| 124 }; | |
| 125 | |
| 126 #define PROC_NET_DEV "/proc/net/dev" | |
| 127 #define PROC_NET_IFINET6 "/proc/net/if_inet6" | |
| 128 #define NO_RANGE -1 | |
| 129 #define IO_MAP_INDEX 0x100 | |
| 130 | |
| 131 static int show_iface(char *iface_name); | |
| 132 static void print_ip6_addr(IFACE_LIST *l_ptr); | |
| 133 static void clear_list(void); | |
| 134 | |
| 135 //from /net/if.h | |
| 136 static char *iface_flags_str[] = { | |
| 137 "UP", | |
| 138 "BROADCAST", | |
| 139 "DEBUG", | |
| 140 "LOOPBACK", | |
| 141 "POINTOPOINT", | |
| 142 "NOTRAILERS", | |
| 143 "RUNNING", | |
| 144 "NOARP", | |
| 145 "PROMISC", | |
| 146 "ALLMULTI", | |
| 147 "MASTER", | |
| 148 "SLAVE", | |
| 149 "MULTICAST", | |
| 150 "PORTSEL", | |
| 151 "AUTOMEDIA", | |
| 152 "DYNAMIC", | |
| 153 NULL | |
| 154 }; | |
| 155 //from /usr/include/linux/netdevice.h | |
| 156 #ifdef IFF_PORTSEL | |
| 157 //Media selection options. | |
| 158 # ifndef IF_PORT_UNKNOWN | |
| 159 enum { | |
| 160 IF_PORT_UNKNOWN = 0, | |
| 161 IF_PORT_10BASE2, | |
| 162 IF_PORT_10BASET, | |
| 163 IF_PORT_AUI, | |
| 164 IF_PORT_100BASET, | |
| 165 IF_PORT_100BASETX, | |
| 166 IF_PORT_100BASEFX | |
| 167 }; | |
| 168 # endif | |
| 169 #endif | |
| 170 | |
| 171 //from kernel header ipv6.h | |
| 172 #define IPV6_ADDR_ANY 0x0000U | |
| 173 #define IPV6_ADDR_LOOPBACK 0x0010U | |
| 174 #define IPV6_ADDR_LINKLOCAL 0x0020U | |
| 175 #define IPV6_ADDR_SITELOCAL 0x0040U | |
| 176 #define IPV6_ADDR_COMPATv4 0x0080U | |
| 177 | |
| 178 //================================================================================== | |
| 179 //for the param settings. | |
| 180 | |
| 181 //for ipv6 add/del | |
| 182 struct ifreq_inet6 { | |
| 183 struct in6_addr ifrinte6_addr; | |
| 184 uint32_t ifrinet6_prefixlen; | |
| 185 int ifrinet6_ifindex; | |
| 186 }; | |
| 187 | |
| 188 #ifndef SIOCSKEEPALIVE | |
| 189 # define SIOCSKEEPALIVE (SIOCDEVPRIVATE) /* Set keepalive timeout in sec */ | |
| 190 # define SIOCGKEEPALIVE (SIOCDEVPRIVATE+1) /* Get keepalive timeout */ | |
| 191 #endif | |
| 192 | |
| 193 #ifndef SIOCSOUTFILL | |
| 194 # define SIOCSOUTFILL (SIOCDEVPRIVATE+2) /* Set outfill timeout */ | |
| 195 # define SIOCGOUTFILL (SIOCDEVPRIVATE+3) /* Get outfill timeout */ | |
| 196 #endif | |
| 197 | |
| 198 #ifndef INFINIBAND_ALEN | |
| 199 # define INFINIBAND_ALEN 20 | |
| 200 #endif | |
| 201 | |
| 202 static void set_data(int sockfd, struct ifreq *ifre, char *kval, int request, const char *req_name); | |
| 203 static void set_flags(int sockfd, struct ifreq *ifre, int arg_flag, int flag); //verify | |
| 204 static void set_mtu(int sockfd, struct ifreq *ifre, const char *mtu); //verify | |
| 205 static void set_metric(int sockfd, struct ifreq *ifre, const char *metric); //verify | |
| 206 static void set_qlen(int sockfd, struct ifreq *ifre, const char *qlen); //verify | |
| 207 static void set_address(int sockfd, const char *host_name, struct ifreq *ifre, int request, const char *req_name); | |
| 208 static void set_hw_address(int sockfd, char ***argv, struct ifreq *ifre, int request, const char *req_name); | |
| 209 static void set_ipv6_addr(int sockfd, struct ifreq *ifre, const char *ipv6_addr, int request, const char *req_name); | |
| 210 static void set_memstart(int sockfd, struct ifreq *ifre, const char *start_addr, int request, const char *req_name); | |
| 211 static void set_ioaddr(int sockfd, struct ifreq *ifre, const char *baddr, int request, const char *req_name); | |
| 212 static void set_irq(int sockfd, struct ifreq *ifre, const char *irq_val, int request, const char *req_name); | |
| 213 | |
| 214 char *omit_whitespace(const char *s) | |
| 215 { | |
| 216 while(*s == ' ' || (unsigned char)(*s - 9) <= (13 - 9)) s++; | |
| 217 return (char *) s; | |
| 218 } | |
| 219 | |
| 220 char *safe_strncpy(char *dst, const char *src, size_t size) | |
| 221 { | |
| 222 if(!size) return dst; | |
| 223 dst[--size] = '\0'; | |
| 224 return strncpy(dst, src, size); | |
| 225 } | |
| 226 | |
| 227 /* | |
| 228 * used to get the host name from the given ip. | |
| 229 */ | |
| 230 int get_hostname(const char *ipstr, struct sockaddr_in *sockin) | |
| 231 { | |
| 232 struct hostent *host; | |
| 233 sockin->sin_family = AF_INET; | |
| 234 sockin->sin_port = 0; | |
| 235 | |
| 236 if(strcmp(ipstr, "default") == 0) { | |
| 237 sockin->sin_addr.s_addr = INADDR_ANY; | |
| 238 return 1; | |
| 239 } | |
| 240 | |
| 241 if(inet_aton(ipstr, &sockin->sin_addr)) return 0; | |
| 242 | |
| 243 host = gethostbyname(ipstr); | |
| 244 if(host == NULL) return -1; | |
| 245 memcpy(&sockin->sin_addr, host->h_addr_list[0], sizeof(struct in_addr)); | |
| 246 return 0; | |
| 247 } | |
| 248 | |
| 249 /* | |
| 250 * used to extract the address info from the given ip. | |
| 251 */ | |
| 252 int get_addrinfo(const char *ip, struct sockaddr_in6 *sock_in6) | |
| 253 { | |
| 254 struct addrinfo hints, *result; | |
| 255 int status = 0; | |
| 256 | |
| 257 memset(&hints, 0, sizeof(struct addrinfo)); | |
| 258 hints.ai_family = AF_INET6; | |
| 259 if((status = getaddrinfo(ip, NULL, &hints, &result)) != 0) { | |
| 260 perror_msg("getaddrinfo: %s", gai_strerror(status)); | |
| 261 return -1; | |
| 262 } | |
| 263 if(result) { | |
| 264 memcpy(sock_in6, result->ai_addr, sizeof(*sock_in6)); | |
| 265 freeaddrinfo(result); | |
| 266 } | |
| 267 return 0; | |
| 268 } | |
| 269 | |
| 270 /* | |
| 271 * used to get the flag values for route command. | |
| 272 */ | |
| 273 void get_flag_value(char **flagstr, int flags) | |
| 274 { | |
| 275 int i = 0; | |
| 276 char *str = *flagstr; | |
| 277 static const char flagchars[] = "GHRDMDAC"; | |
| 278 static const unsigned flagarray[] = { | |
| 279 RTF_GATEWAY, | |
| 280 RTF_HOST, | |
| 281 RTF_REINSTATE, | |
| 282 RTF_DYNAMIC, | |
| 283 RTF_MODIFIED, | |
| 284 RTF_DEFAULT, | |
| 285 RTF_ADDRCONF, | |
| 286 RTF_CACHE | |
| 287 }; | |
| 288 *str++ = 'U'; | |
| 289 while( (*str = flagchars[i]) != 0) { | |
| 290 if(flags & flagarray[i++]) ++str; | |
| 291 } | |
| 292 } | |
| 293 | |
| 294 /* | |
| 295 * extract inet4 route info from /proc/net/route file and display it. | |
| 296 */ | |
| 297 void display_routes(int is_more_info, int notresolve) | |
| 298 { | |
| 299 #define IPV4_MASK (RTF_GATEWAY|RTF_HOST|RTF_REINSTATE|RTF_DYNAMIC|RTF_MODIFIED) | |
| 300 unsigned long dest, gate, mask; | |
| 301 int flags, ref, use, metric, mss, win, irtt; | |
| 302 char iface[64]={0,}; | |
| 303 char buf[BUFSIZ] = {0,}; | |
| 304 char *flag_val = xzalloc(10); //there are 9 flags "UGHRDMDAC" for route. | |
| 305 | |
| 306 FILE *fp = xfopen("/proc/net/route", "r"); | |
| 307 | |
| 308 xprintf("Kernel IP routing table\n" | |
| 309 "Destination Gateway Genmask Flags %s Iface\n", | |
| 310 is_more_info ? " MSS Window irtt" : "Metric Ref Use"); | |
| 311 fgets(buf, BUFSIZ, fp); //skip 1st line. | |
| 312 while(fgets(buf, BUFSIZ, fp)) { | |
| 313 int nitems = 0; | |
| 314 char *destip = NULL, *gateip = NULL, *maskip = NULL; | |
| 315 memset(flag_val, 0, 10); | |
| 316 | |
| 317 nitems = sscanf(buf, "%63s%lx%lx%X%d%d%d%lx%d%d%d\n", | |
| 318 iface, &dest, &gate, &flags, &ref, &use, &metric, &mask, &mss, &win, &irtt); | |
| 319 if(nitems != 11) {//EOF with no (nonspace) chars read... | |
| 320 if((nitems < 0) && feof(fp)) break; | |
| 321 perror_exit("fscanf"); | |
| 322 } | |
| 323 //skip down interfaces... | |
| 324 if(!(flags & RTF_UP)) continue; | |
| 325 | |
| 326 //For Destination | |
| 327 if(dest){ | |
| 328 if(inet_ntop(AF_INET, &dest, buf, BUFSIZ) > 0) destip = xstrdup(buf); | |
| 329 } | |
| 330 else { | |
| 331 if(!notresolve) destip = xstrdup("default"); | |
| 332 else destip = xstrdup("0.0.0.0"); | |
| 333 } | |
| 334 //For Gateway | |
| 335 if(gate){ | |
| 336 if(inet_ntop(AF_INET, &gate, buf, BUFSIZ) > 0) gateip = xstrdup(buf); | |
| 337 } | |
| 338 else { | |
| 339 if(!notresolve) gateip = xstrdup("*"); | |
| 340 else gateip = xstrdup("0.0.0.0"); | |
| 341 } | |
| 342 //For Mask | |
| 343 if(inet_ntop(AF_INET, &mask, buf, BUFSIZ) > 0) maskip = xstrdup(buf); | |
| 344 | |
| 345 //Get flag Values | |
| 346 get_flag_value(&flag_val, (flags & IPV4_MASK)); | |
| 347 if(flags & RTF_REJECT) flag_val[0] = '!'; | |
| 348 xprintf("%-15.15s %-15.15s %-16s%-6s", destip, gateip, maskip, flag_val); | |
| 349 if(destip) free(destip); | |
| 350 if(gateip) free(gateip); | |
| 351 if(maskip) free(maskip); | |
| 352 if(is_more_info) xprintf("%5d %-5d %6d %s\n", mss, win, irtt, iface); | |
| 353 else xprintf("%-6d %-2d %7d %s\n", metric, ref, use, iface); | |
| 354 }//end of while... | |
| 355 fclose(fp); | |
| 356 if(flag_val) free(flag_val); | |
| 357 #undef IPV4_MASK | |
| 358 return; | |
| 359 } | |
| 360 | |
| 361 /* | |
| 362 * verify the host is local unix path. | |
| 363 * if so, set the swl input param accordingly. | |
| 364 */ | |
| 365 static int is_host_unix(const char *host, sockaddr_with_len **swl) | |
| 366 { | |
| 367 if(strncmp(host, "local:", 6) == 0) { | |
| 368 struct sockaddr_un *sockun; | |
| 369 *swl = xzalloc(sizeof(struct sockaddr_with_len)); | |
| 370 (*swl)->socklen = sizeof(struct sockaddr_un); | |
| 371 (*swl)->sock_u.sock.sa_family = AF_UNIX; | |
| 372 sockun = (struct sockaddr_un *)&(*swl)->sock_u.sock; | |
| 373 safe_strncpy(sockun->sun_path, host + 6, sizeof(sockun->sun_path)); | |
| 374 return 1; | |
| 375 } | |
| 376 return 0; | |
| 377 } | |
| 378 | |
| 379 /* | |
| 380 * validate the input param (host) for valid ipv6 ip and extract port number (if there). | |
| 381 */ | |
| 382 static void get_host_and_port(char **host, int *port) | |
| 383 { | |
| 384 char *ch_ptr; | |
| 385 const char *org_host = *host; | |
| 386 if(*host[0] == '[') { | |
| 387 (*host)++; | |
| 388 ch_ptr = strchr(*host, ']'); | |
| 389 if(!ch_ptr || (ch_ptr[1] != ':' && ch_ptr[1] != '\0')) | |
| 390 error_exit("bad address '%s'", org_host); | |
| 391 } | |
| 392 else { | |
| 393 ch_ptr = strrchr(*host, ':'); | |
| 394 //There is more than one ':' like "::1" | |
| 395 if(ch_ptr && strchr(*host, ':') != ch_ptr) | |
| 396 ch_ptr = NULL; | |
| 397 } | |
| 398 if(ch_ptr) { //pointer to ":" or "]:" | |
| 399 int size = ch_ptr - (*host) + 1; | |
| 400 safe_strncpy(*host, *host, size); | |
| 401 if(*ch_ptr != ':') { | |
| 402 ch_ptr++; //skip ']' | |
| 403 //[nn] without port | |
| 404 if(*ch_ptr == '\0') | |
| 405 return; | |
| 406 } | |
| 407 ch_ptr++; //skip ':' to get the port number. | |
| 408 *port = get_strtou(ch_ptr, NULL, 10); | |
| 409 if(errno || (unsigned)*port > MAX_PORT_VALUE) | |
| 410 error_exit("bad port spec '%s'", org_host); | |
| 411 } | |
| 412 return; | |
| 413 } | |
| 414 | |
| 415 /* | |
| 416 * used to extract the address info from the given host ip | |
| 417 * and update the swl param accordingly. | |
| 418 */ | |
| 419 static int get_socket_stream(const char *host, sa_family_t af, sockaddr_with_len **swl) | |
| 420 { | |
| 421 struct addrinfo hints; | |
| 422 struct addrinfo *result, *rp; | |
| 423 int status = 0; | |
| 424 | |
| 425 memset(&hints, 0 , sizeof(struct addrinfo)); | |
| 426 hints.ai_family = af; | |
| 427 hints.ai_socktype = SOCK_STREAM; | |
| 428 | |
| 429 if((status = getaddrinfo(host, NULL, &hints, &result)) != 0) { | |
| 430 perror_exit("bad address '%s' : %s", host, gai_strerror(status)); | |
| 431 return status; | |
| 432 } | |
| 433 | |
| 434 for(rp = result; rp != NULL; rp = rp->ai_next) { | |
| 435 if( (rp->ai_family == AF_INET) || (rp->ai_family == AF_INET6)) { | |
| 436 *swl = xmalloc(sizeof(struct sockaddr_with_len)); | |
| 437 (*swl)->socklen = rp->ai_addrlen; | |
| 438 memcpy(&((*swl)->sock_u.sock), rp->ai_addr, rp->ai_addrlen); | |
| 439 break; | |
| 440 } | |
| 441 } | |
| 442 freeaddrinfo(result); | |
| 443 return ((!rp)? -1: status); | |
| 444 } | |
| 445 | |
| 446 /* | |
| 447 * use to get the socket address with the given host ip. | |
| 448 */ | |
| 449 sockaddr_with_len *get_sockaddr(const char *host, int port, sa_family_t af) | |
| 450 { | |
| 451 sockaddr_with_len *swl = NULL; | |
| 452 int status = 0; | |
| 453 | |
| 454 //for unix | |
| 455 int is_unix = is_host_unix(host, &swl); | |
| 456 if(is_unix && swl) return swl; | |
| 457 | |
| 458 //[IPV6_ip]:port_num | |
| 459 if(host[0] == '[' || strrchr(host, ':')) get_host_and_port((char **)&host, &port); | |
| 460 | |
| 461 //for the socket streams. | |
| 462 status = get_socket_stream(host, af, &swl); | |
| 463 if(status) return NULL; | |
| 464 | |
| 465 setport(&swl->sock_u.sock, htons(port)); | |
| 466 return swl; | |
| 467 } | |
| 468 | |
| 469 /* | |
| 470 * get the numeric hostname and service name, for a given socket address. | |
| 471 */ | |
| 472 char *address_to_name(const struct sockaddr *sock) | |
| 473 { | |
| 474 //man page of getnameinfo. | |
| 475 char hbuf[NI_MAXHOST] = {0,}, sbuf[NI_MAXSERV] = {0,}; | |
| 476 int status = 0; | |
| 477 if(sock->sa_family == AF_INET) { | |
| 478 socklen_t len = sizeof(struct sockaddr_in); | |
| 479 if((status = getnameinfo(sock, len, hbuf, sizeof(hbuf), sbuf, sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) == 0) | |
| 480 return xmsprintf("%s:%s", hbuf, sbuf); | |
| 481 else { | |
| 482 fprintf(stderr, "getnameinfo: %s\n", gai_strerror(status)); | |
| 483 return NULL; | |
| 484 } | |
| 485 } | |
| 486 else if(sock->sa_family == AF_INET6) { | |
| 487 socklen_t len = sizeof(struct sockaddr_in6); | |
| 488 if((status = getnameinfo(sock, len, hbuf, sizeof(hbuf), sbuf, sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) == 0) { | |
| 489 //verification for resolved hostname. | |
| 490 if(strchr(hbuf, ':')) return xmsprintf("[%s]:%s", hbuf, sbuf); | |
| 491 else return xmsprintf("%s:%s", hbuf, sbuf); | |
| 492 } | |
| 493 else { | |
| 494 fprintf(stderr, "getnameinfo: %s\n", gai_strerror(status)); | |
| 495 return NULL; | |
| 496 } | |
| 497 } | |
| 498 else if(sock->sa_family == AF_UNIX) { | |
| 499 struct sockaddr_un *sockun = (void*)sock; | |
| 500 return xmsprintf("local:%.*s", (int) sizeof(sockun->sun_path), sockun->sun_path); | |
| 501 } | |
| 502 else | |
| 503 return NULL; | |
| 504 } | |
| 505 | |
| 506 /* | |
| 507 * used to set the port number for ipv4 / ipv6 addresses. | |
| 508 */ | |
| 509 void setport(struct sockaddr *sock, unsigned port_num) | |
| 510 { | |
| 511 //for ipv4 | |
| 512 if(sock->sa_family == AF_INET) { | |
| 513 struct sockaddr_in *sock_in = (void*)sock; | |
| 514 sock_in->sin_port = port_num; | |
| 515 } | |
| 516 //for ipv6 | |
| 517 else if(sock->sa_family == AF_INET6) { | |
| 518 struct sockaddr_in6 *sock_in6 = (void*)sock; | |
| 519 sock_in6->sin6_port = port_num; | |
| 520 } | |
| 521 return; | |
| 522 } | |
| 523 | |
| 524 /* | |
| 525 * used to get the port number for ftp and http. | |
| 526 */ | |
| 527 unsigned getport(const char *port, const char *protocol, unsigned defport) | |
| 528 { | |
| 529 #define RANGE_STR "Port Number should be in [1-65535] range" | |
| 530 long v; | |
| 531 char *endptr = NULL; | |
| 532 | |
| 533 unsigned portnum = defport; | |
| 534 if(port) { | |
| 535 errno = 0; | |
| 536 v = strtol(port, &endptr, 10); | |
| 537 if((v > 0) && (!*endptr)) {//for numeric like 123 | |
| 538 portnum = v; | |
| 539 if(portnum > MAX_PORT_VALUE) error_exit("Invalid Port Number '%s' "RANGE_STR, port); | |
| 540 } | |
| 541 else if((v == 0) && (endptr != NULL)) { | |
| 542 switch(defport) { | |
| 543 case FTP_DEFAULT_PORT: | |
| 544 if(strcmp(endptr, "ftp") == 0) portnum = defport; //for "ftp" string. | |
| 545 else goto ERROR_EXIT; | |
| 546 break; | |
| 547 case HTTP_DEFAULT_PORT: | |
| 548 if(strcmp(endptr, "http") == 0) portnum = defport;//for "HTTP" string. | |
| 549 else goto ERROR_EXIT; | |
| 550 break; | |
| 551 default: | |
| 552 ERROR_EXIT: | |
| 553 error_exit("Invalid Port"); | |
| 554 break; | |
| 555 } | |
| 556 } | |
| 557 else perror_exit("Invalid Port Number: '%s' "RANGE_STR, port); | |
| 558 } | |
| 559 #undef RANGE_STR | |
| 560 return (uint16_t)portnum; | |
| 561 } | |
| 562 | |
| 563 /* | |
| 564 * used to connect with the socket. | |
| 565 */ | |
| 566 int connect_to_stream(const sockaddr_with_len *swl) | |
| 567 { | |
| 568 int sockfd; | |
| 569 if((sockfd = socket(swl->sock_u.sock.sa_family, SOCK_STREAM, 0)) < 0) | |
| 570 perror_exit("cannot open control socket"); | |
| 571 if(connect(sockfd, &swl->sock_u.sock, swl->socklen) < 0) { | |
| 572 close(sockfd); | |
| 573 perror_exit("can't connect to remote host"); | |
| 574 } | |
| 575 return sockfd; | |
| 576 } | |
| 577 | |
| 578 /* | |
| 579 * used to converts string into int and validate the input str for invalid int value or out-of-range. | |
| 580 */ | |
| 581 unsigned get_strtou(const char *str, char **endp, int base) | |
| 582 { | |
| 583 unsigned long uli; | |
| 584 char *endptr; | |
| 585 | |
| 586 if(!isalnum(str[0])) { | |
| 587 errno = ERANGE; | |
| 588 return UINT_MAX; | |
| 589 } | |
| 590 errno = 0; | |
| 591 uli = strtoul(str, &endptr, base); | |
| 592 if(uli > UINT_MAX) { | |
| 593 errno = ERANGE; | |
| 594 return UINT_MAX; | |
| 595 } | |
| 596 | |
| 597 if(endp) *endp = endptr; | |
| 598 if(endptr[0]) { | |
| 599 if(isalnum(endptr[0]) || errno) { //"123abc" or out-of-range | |
| 600 errno = ERANGE; | |
| 601 return UINT_MAX; | |
| 602 } | |
| 603 errno = EINVAL; | |
| 604 } | |
| 605 return uli; | |
| 606 } | |
| 607 | |
| 608 | |
| 609 IFACE_LIST *iface_list_head; | |
| 610 | |
| 611 /* | |
| 612 * display help info and exit from application. | |
| 613 */ | |
| 614 static void show_help(void) | |
| 615 { | |
| 616 char **arg = xzalloc(sizeof(char*) *3); | |
| 617 arg[0] = "help"; | |
| 618 arg[1] = xstrdup(toys.which->name); | |
| 619 toy_exec(arg); | |
| 620 } | |
| 621 | |
| 622 void ifconfig_main(void) | |
| 623 { | |
| 624 char **argv = toys.optargs; | |
| 625 | |
| 626 if(argv[0] && (strcmp(argv[0], "--help") == 0)) | |
| 627 show_help(); | |
| 628 | |
| 629 //"ifconfig" / "ifconfig eth0" | |
| 630 if(!argv[0] || !argv[1]) { //one or no argument | |
| 631 toys.exitval = show_iface(argv[0]); | |
| 632 //free allocated memory. | |
| 633 clear_list(); | |
| 634 return; | |
| 635 } | |
| 636 | |
| 637 //set ifconfig params. | |
| 638 { | |
| 639 struct ifreq ifre; | |
| 640 int sockfd = 0; | |
| 641 //get interface name | |
| 642 memset(&ifre, 0, sizeof(struct ifreq)); | |
| 643 strncpy(ifre.ifr_name, *argv, IFNAMSIZ); | |
| 644 ifre.ifr_name[IFNAMSIZ-1] = 0; | |
| 645 if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) | |
| 646 perror_exit("cannot open control socket\n", 1); | |
| 647 | |
| 648 while(*++argv != NULL) { | |
| 649 /* flags settings */ | |
| 650 if(strcmp(argv[0], "up") == 0) | |
| 651 set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0); | |
| 652 else if(strcmp(argv[0], "down") == 0) | |
| 653 set_flags(sockfd, &ifre, 0, IFF_UP); | |
| 654 | |
| 655 else if(strcmp(argv[0], "arp") == 0) | |
| 656 set_flags(sockfd, &ifre, 0, IFF_NOARP); | |
| 657 else if(strcmp(argv[0], "-arp") == 0) | |
| 658 set_flags(sockfd, &ifre, IFF_NOARP, 0); | |
| 659 else if(strcmp(argv[0], "trailers") == 0) | |
| 660 set_flags(sockfd, &ifre, 0, IFF_NOTRAILERS); | |
| 661 else if(strcmp(argv[0], "-trailers") == 0) | |
| 662 set_flags(sockfd, &ifre, IFF_NOTRAILERS, 0); | |
| 663 | |
| 664 else if(strcmp(argv[0], "promisc") == 0) | |
| 665 set_flags(sockfd, &ifre, IFF_PROMISC, 0); | |
| 666 else if(strcmp(argv[0], "-promisc") == 0) | |
| 667 set_flags(sockfd, &ifre, 0, IFF_PROMISC); | |
| 668 else if(strcmp(argv[0], "allmulti") == 0) | |
| 669 set_flags(sockfd, &ifre, IFF_ALLMULTI, 0); | |
| 670 else if(strcmp(argv[0], "-allmulti") == 0) | |
| 671 set_flags(sockfd, &ifre, 0, IFF_ALLMULTI); | |
| 672 else if(strcmp(argv[0], "multicast") == 0) | |
| 673 set_flags(sockfd, &ifre, IFF_MULTICAST, 0); | |
| 674 else if(strcmp(argv[0], "-multicast") == 0) | |
| 675 set_flags(sockfd, &ifre, 0, IFF_MULTICAST); | |
| 676 else if(strcmp(argv[0], "dynamic") == 0) | |
| 677 set_flags(sockfd, &ifre, IFF_DYNAMIC, 0); | |
| 678 else if(strcmp(argv[0], "-dynamic") == 0) | |
| 679 set_flags(sockfd, &ifre, 0, IFF_DYNAMIC); | |
| 680 else if(strcmp(argv[0], "-pointopoint") == 0) | |
| 681 set_flags(sockfd, &ifre, 0, IFF_POINTOPOINT); | |
| 682 /*value setup */ | |
| 683 else if(strcmp(argv[0], "pointopoint") == 0) { | |
| 684 if(*++argv == NULL) { | |
| 685 errno = EINVAL; | |
| 686 show_help(); | |
| 687 } | |
| 688 set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR"); | |
| 689 set_flags(sockfd, &ifre, IFF_POINTOPOINT, 0); | |
| 690 } | |
| 691 else if(strcmp(argv[0], "netmask") == 0) { | |
| 692 if(*++argv == NULL) { | |
| 693 errno = EINVAL; | |
| 694 show_help(); | |
| 695 } | |
| 696 set_address(sockfd, *argv, &ifre, SIOCSIFNETMASK, "SIOCSIFNETMASK"); | |
| 697 } | |
| 698 else if(strcmp(argv[0], "-broadcast") == 0) { | |
| 699 set_flags(sockfd, &ifre, 0, IFF_BROADCAST); | |
| 700 } | |
| 701 else if(strcmp(argv[0], "broadcast") == 0) { | |
| 702 if(*++argv == NULL) { | |
| 703 errno = EINVAL; | |
| 704 show_help(); | |
| 705 } | |
| 706 set_address(sockfd, *argv, &ifre, SIOCSIFBRDADDR, "SIOCSIFBRDADDR"); | |
| 707 set_flags(sockfd, &ifre, IFF_BROADCAST, 0); | |
| 708 } | |
| 709 else if(strcmp(argv[0], "dstaddr") == 0) { | |
| 710 if(*++argv == NULL) { | |
| 711 errno = EINVAL; | |
| 712 show_help(); | |
| 713 } | |
| 714 set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR"); | |
| 715 } | |
| 716 else if(strcmp(argv[0], "hw") == 0) { | |
| 717 if(*++argv == NULL) { | |
| 718 errno = EINVAL; | |
| 719 show_help(); | |
| 720 } | |
| 721 set_hw_address(sockfd, &argv, &ifre, SIOCSIFHWADDR, "SIOCSIFHWADDR"); | |
| 722 } | |
| 723 else if(strcmp(argv[0], "mtu") == 0) { | |
| 724 if(*++argv == NULL) { | |
| 725 errno = EINVAL; | |
| 726 show_help(); | |
| 727 } | |
| 728 set_mtu(sockfd, &ifre, argv[0]); | |
| 729 }//end of mtu | |
| 730 else if(strcmp(argv[0], "metric") == 0) { | |
| 731 if(*++argv == NULL) { | |
| 732 errno = EINVAL; | |
| 733 show_help(); | |
| 734 } | |
| 735 set_metric(sockfd, &ifre, argv[0]); | |
| 736 }//end of metric | |
| 737 else if(strcmp(argv[0], "txqueuelen") == 0) { | |
| 738 if(*++argv == NULL) { | |
| 739 errno = EINVAL; | |
| 740 show_help(); | |
| 741 } | |
| 742 set_qlen(sockfd, &ifre, argv[0]); | |
| 743 }//end of txqueuelen | |
| 744 else if(strcmp(argv[0], "keepalive") == 0) { | |
| 745 if(*++argv == NULL) { | |
| 746 errno = EINVAL; | |
| 747 show_help(); | |
| 748 } | |
| 749 set_data(sockfd, &ifre, argv[0], SIOCSKEEPALIVE, "SIOCSKEEPALIVE"); | |
| 750 }//end of keepalive | |
| 751 else if(strcmp(argv[0], "outfill") == 0) { | |
| 752 if(*++argv == NULL) { | |
| 753 errno = EINVAL; | |
| 754 show_help(); | |
| 755 } | |
| 756 set_data(sockfd, &ifre, argv[0], SIOCSOUTFILL, "SIOCSOUTFILL"); | |
| 757 }//end of outfill | |
| 758 else if(strcmp(argv[0], "add") == 0) { | |
| 759 if(*++argv == NULL) { | |
| 760 errno = EINVAL; | |
| 761 show_help(); | |
| 762 } | |
| 763 set_ipv6_addr(sockfd, &ifre, argv[0], SIOCSIFADDR, "SIOCSIFADDR"); | |
| 764 }//end of add ipv6 addr | |
| 765 else if(strcmp(argv[0], "del") == 0) { | |
| 766 if(*++argv == NULL) { | |
| 767 errno = EINVAL; | |
| 768 show_help(); | |
| 769 } | |
| 770 set_ipv6_addr(sockfd, &ifre, argv[0], SIOCDIFADDR, "SIOCDIFADDR"); | |
| 771 }//end of del ipv6 addr | |
| 772 else if(strcmp(argv[0], "mem_start") == 0) { | |
| 773 if(*++argv == NULL) { | |
| 774 errno = EINVAL; | |
| 775 show_help(); | |
| 776 } | |
| 777 set_memstart(sockfd, &ifre, argv[0], SIOCSIFMAP, "SIOCSIFMAP"); | |
| 778 }//end of mem_start | |
| 779 else if(strcmp(argv[0], "io_addr") == 0) { | |
| 780 if(*++argv == NULL) { | |
| 781 errno = EINVAL; | |
| 782 show_help(); | |
| 783 } | |
| 784 set_ioaddr(sockfd, &ifre, argv[0], SIOCSIFMAP, "SIOCSIFMAP"); | |
| 785 }//end of io_addr | |
| 786 else if(strcmp(argv[0], "irq") == 0) { | |
| 787 if(*++argv == NULL) { | |
| 788 errno = EINVAL; | |
| 789 show_help(); | |
| 790 } | |
| 791 set_irq(sockfd, &ifre, argv[0], SIOCSIFMAP, "SIOCSIFMAP"); | |
| 792 }//end of irq | |
| 793 else { | |
| 794 if(isdigit(argv[0][0]) || (strcmp(argv[0], "default") == 0)) { | |
| 795 char *iface_name = ifre.ifr_name; | |
| 796 short int is_colon = 0; | |
| 797 set_address(sockfd, *argv, &ifre, SIOCSIFADDR, "SIOCSIFADDR"); | |
| 798 while(*iface_name) { | |
| 799 if(*iface_name == ':') { | |
| 800 is_colon = 1; | |
| 801 break; | |
| 802 } | |
| 803 iface_name++; | |
| 804 } | |
| 805 //if the interface name is not an alias; set the flag and continue. | |
| 806 if(!is_colon) | |
| 807 set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0); | |
| 808 } | |
| 809 else if((strcmp(argv[0], "inet") == 0) || (strcmp(argv[0], "inet6") == 0)) | |
| 810 continue; | |
| 811 else { | |
| 812 errno = EINVAL; | |
| 813 show_help(); | |
| 814 } | |
| 815 }//set ip for an interface. | |
| 816 | |
| 817 }//end of while. | |
| 818 if(sockfd > 0) | |
| 819 close(sockfd); | |
| 820 } | |
| 821 return; | |
| 822 }//End of main function. | |
| 823 | |
| 824 | |
| 825 static void set_flags(int sockfd, struct ifreq *ifre, int set_flag, int reset_flag) | |
| 826 { | |
| 827 if(ioctl(sockfd, SIOCGIFFLAGS, ifre) < 0) | |
| 828 perror_exit("SIOCGIFFLAGS"); | |
| 829 ifre->ifr_flags = (ifre->ifr_flags & (~reset_flag)) | set_flag; | |
| 830 if(ioctl(sockfd, SIOCSIFFLAGS, ifre) < 0) | |
| 831 perror_exit("SIOCSIFFLAGS"); | |
| 832 return; | |
| 833 } | |
| 834 | |
| 835 static void set_data(int sockfd, struct ifreq *ifre, char *kval, int request, const char *req_name) | |
| 836 { | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
837 unsigned long val = strtoul(kval, NULL, 0); |
| 841 | 838 char *ptr; |
| 839 ptr = ((char *) ifre) + offsetof(struct ifreq, ifr_data); | |
| 840 (*(__caddr_t *)ptr) = (__caddr_t)val; | |
| 841 | |
| 842 if(ioctl(sockfd, request, ifre) < 0) { | |
| 843 perror_exit((char *)req_name); | |
| 844 } | |
| 845 return; | |
| 846 } | |
| 847 static void set_mtu(int sockfd, struct ifreq *ifre, const char *mtu) | |
| 848 { | |
| 849 ifre->ifr_mtu = strtoul(mtu, NULL, 0); | |
| 850 if(ioctl(sockfd, SIOCSIFMTU, ifre) < 0) | |
| 851 perror_exit("SIOCSIFMTU"); | |
| 852 return; | |
| 853 } | |
| 854 | |
| 855 static void set_metric(int sockfd, struct ifreq *ifre, const char *metric) | |
| 856 { | |
| 857 ifre->ifr_metric = strtoul(metric, NULL, 0); | |
| 858 if(ioctl(sockfd, SIOCSIFMETRIC, ifre) < 0) | |
| 859 perror_exit("SIOCSIFMETRIC"); | |
| 860 return; | |
| 861 } | |
| 862 | |
| 863 static void set_qlen(int sockfd, struct ifreq *ifre, const char *qlen) | |
| 864 { | |
| 865 ifre->ifr_qlen = strtoul(qlen, NULL, 0); | |
| 866 if(ioctl(sockfd, SIOCSIFTXQLEN, ifre) < 0) | |
| 867 perror_exit("SIOCSIFTXQLEN"); | |
| 868 return; | |
| 869 } | |
| 870 | |
| 871 static void set_ipv6_addr(int sockfd, struct ifreq *ifre, const char *ipv6_addr, int request, const char *req_name) | |
| 872 { | |
| 873 char *prefix; | |
| 874 int plen = 0; | |
| 875 sockaddr_with_len *swl = NULL; | |
| 876 | |
| 877 prefix = strchr(ipv6_addr, '/'); | |
| 878 if(prefix) { | |
| 879 plen = get_int_value(prefix + 1, 0, 128); | |
| 880 *prefix = '\0'; | |
| 881 } | |
| 882 swl = get_sockaddr(ipv6_addr, 0, AF_INET6); | |
| 883 if(!swl) error_exit("error in resolving host name"); | |
| 884 int sockfd6; | |
| 885 struct ifreq_inet6 ifre6; | |
| 886 memcpy((char *) &ifre6.ifrinte6_addr, | |
| 887 (char *) &(swl->sock_u.sock_in6.sin6_addr), | |
| 888 sizeof(struct in6_addr)); | |
| 889 //Create a channel to the NET kernel. | |
| 890 if( (sockfd6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) | |
| 891 perror_exit("AF_INET6 SOCK_DGRAM", 0); | |
| 892 if(ioctl(sockfd6, SIOGIFINDEX, ifre) < 0) | |
| 893 perror_exit("SIOGIFINDEX"); | |
| 894 ifre6.ifrinet6_ifindex = ifre->ifr_ifindex; | |
| 895 ifre6.ifrinet6_prefixlen = plen; | |
| 896 | |
| 897 if(ioctl(sockfd6, request, &ifre6) < 0) | |
| 898 perror_exit((char *)req_name); | |
| 899 if(swl != NULL) { | |
| 900 free(swl); | |
| 901 swl = NULL; | |
| 902 } | |
| 903 return; | |
| 904 } | |
| 905 | |
| 906 static void set_address(int sockfd, const char *host_name, struct ifreq *ifre, int request, const char *req_name) | |
| 907 { | |
| 908 struct sockaddr_in sock_in; | |
| 909 sockaddr_with_len *swl = NULL; | |
| 910 sock_in.sin_family = AF_INET; | |
| 911 sock_in.sin_port = 0; | |
| 912 | |
| 913 //Default 0.0.0.0 | |
| 914 if(strcmp(host_name, "default") == 0) | |
| 915 sock_in.sin_addr.s_addr = INADDR_ANY; | |
| 916 else { | |
| 917 swl = get_sockaddr(host_name, 0, AF_INET); | |
| 918 if(!swl) error_exit("error in resolving host name"); | |
| 919 | |
| 920 sock_in.sin_addr = swl->sock_u.sock_in.sin_addr; | |
| 921 } | |
| 922 memcpy((char *)&ifre->ifr_addr, (char *) &sock_in, sizeof(struct sockaddr)); | |
| 923 if(ioctl(sockfd, request, ifre) < 0) | |
| 924 perror_exit((char *)req_name); | |
| 925 | |
| 926 if(swl != NULL) { | |
| 927 free(swl); | |
| 928 swl = NULL; | |
| 929 } | |
| 930 return; | |
| 931 } | |
| 932 | |
| 933 static int hex_to_binary(const char *hw_addr, struct sockaddr *sock, int count) | |
| 934 { | |
| 935 int i = 0, j = 0; | |
| 936 unsigned char nib_val; | |
| 937 unsigned char ch; | |
| 938 | |
| 939 char *ptr = (char *) sock->sa_data; | |
| 940 if(count == ETH_ALEN) | |
| 941 sock->sa_family = ARPHRD_ETHER; | |
| 942 else if(count == INFINIBAND_ALEN) | |
| 943 sock->sa_family = ARPHRD_INFINIBAND; | |
| 944 else | |
| 945 return -1; | |
| 946 //e.g. hw_addr "62:2D:A6:9E:2D:BE" | |
| 947 for(; *hw_addr && (i < count); i++) { | |
| 948 if(*hw_addr == ':') | |
| 949 hw_addr++; | |
| 950 j = nib_val = 0; | |
| 951 for(;j < 2; j++) { | |
| 952 ch = *hw_addr; | |
| 953 //0-9 = 10 chars. | |
| 954 if(((unsigned char)(ch - '0')) < 10) | |
| 955 ch = (ch - '0'); | |
| 956 //a-f = 6 chars. | |
| 957 else if(((unsigned char)((ch) - 'a')) < 6) | |
| 958 ch = (ch - ('a'-10)); | |
| 959 //A-F = 6 chars. | |
| 960 else if(((unsigned char)((ch) - 'A')) < 6) | |
| 961 ch = (ch - ('A'-10)); | |
| 962 else if(j && (ch == ':' || ch == 0)) | |
| 963 break; | |
| 964 else | |
| 965 return -1; | |
| 966 hw_addr++; | |
| 967 nib_val <<= 4; | |
| 968 nib_val += ch; | |
| 969 } | |
| 970 *ptr++ = nib_val; | |
| 971 } | |
| 972 if(*hw_addr) | |
| 973 return -1; | |
| 974 return 0; | |
| 975 } | |
| 976 | |
| 977 static void set_hw_address(int sockfd, char ***argv, struct ifreq *ifre, int request, const char *req_name) | |
| 978 { | |
| 979 int hw_class = 0; | |
| 980 char *hw_addr; | |
| 981 struct sockaddr sock; | |
| 982 char *ptr; | |
| 983 char *hw_class_strings[] = { | |
| 984 "ether", | |
| 985 "infiniband", | |
| 986 NULL | |
| 987 }; | |
| 988 | |
| 989 if(strcmp(hw_class_strings[0], **argv) == 0) | |
| 990 hw_class = 1; | |
| 991 else if(strcmp(hw_class_strings[1], **argv) == 0) | |
| 992 hw_class = 2; | |
| 993 if(!hw_class || !(*argv += 1)) | |
| 994 show_help(); | |
| 995 | |
| 996 memset(&sock, 0, sizeof(struct sockaddr)); | |
| 997 hw_addr = **argv; | |
| 998 if(hw_class == 1) { | |
| 999 if(hex_to_binary(hw_addr, &sock, ETH_ALEN)) | |
| 1000 error_exit("invalid hw-addr %s", hw_addr); | |
| 1001 } | |
| 1002 else { | |
| 1003 if(hex_to_binary(hw_addr, &sock, INFINIBAND_ALEN)) | |
| 1004 error_exit("invalid hw-addr %s", hw_addr); | |
| 1005 } | |
| 1006 ptr = (char *)&sock; | |
| 1007 memcpy( ((char *) ifre) + offsetof(struct ifreq, ifr_hwaddr), ptr, sizeof(struct sockaddr)); | |
| 1008 if(ioctl(sockfd, request, ifre) < 0) | |
| 1009 perror_exit((char *)req_name); | |
| 1010 return; | |
| 1011 } | |
| 1012 | |
| 1013 static void set_memstart(int sockfd, struct ifreq *ifre, const char *start_addr, int request, const char *req_name) | |
| 1014 { | |
| 1015 unsigned long mem_start = strtoul(start_addr, NULL, 0); | |
| 1016 | |
| 1017 if(ioctl(sockfd, SIOCGIFMAP, ifre) < 0) | |
| 1018 perror_exit("SIOCGIFMAP"); | |
| 1019 ifre->ifr_map.mem_start = mem_start; | |
| 1020 if(ioctl(sockfd, request, ifre) < 0) | |
| 1021 perror_exit((char *)req_name); | |
| 1022 return; | |
| 1023 } | |
| 1024 | |
| 1025 static void set_ioaddr(int sockfd, struct ifreq *ifre, const char *baddr, int request, const char *req_name) | |
| 1026 { | |
| 1027 unsigned short int base_addr = strtoul(baddr, NULL, 0); | |
| 1028 if(ioctl(sockfd, SIOCGIFMAP, ifre) < 0) | |
| 1029 perror_exit("SIOCGIFMAP"); | |
| 1030 ifre->ifr_map.base_addr = base_addr; | |
| 1031 if(ioctl(sockfd, request, ifre) < 0) | |
| 1032 perror_exit((char *)req_name); | |
| 1033 return; | |
| 1034 } | |
| 1035 | |
| 1036 static void set_irq(int sockfd, struct ifreq *ifre, const char *irq_val, int request, const char *req_name) | |
| 1037 { | |
| 1038 unsigned short int irq = strtoul(irq_val, NULL, 0); | |
| 1039 char *ptr; | |
| 1040 struct ifmap *map; | |
| 1041 | |
| 1042 if(ioctl(sockfd, SIOCGIFMAP, ifre) < 0) | |
| 1043 perror_exit("SIOCGIFMAP"); | |
| 1044 | |
| 1045 ptr = ((char *) ifre) + offsetof(struct ifreq, ifr_map); | |
| 1046 map = (struct ifmap *)ptr; | |
| 1047 map->irq = irq; | |
| 1048 if(ioctl(sockfd, request, ifre) < 0) | |
| 1049 perror_exit((char *)req_name); | |
| 1050 return; | |
| 1051 } | |
| 1052 | |
| 1053 /* Display ifconfig info. */ | |
| 1054 static void get_proc_info(char *buff, IFACE_LIST *l_ptr, int version) | |
| 1055 { | |
| 1056 char *name; | |
| 1057 memset(&l_ptr->dev_info, 0, sizeof(PROC_NET_DEV_INFO)); | |
| 1058 | |
| 1059 buff = omit_whitespace(buff); | |
| 1060 name = strsep(&buff, ":"); | |
| 1061 if(!buff) | |
| 1062 error_exit("error in getting the device name:"); | |
| 1063 | |
| 1064 if(strlen(name) < (IFNAMSIZ)) { | |
| 1065 strncpy(l_ptr->dev_info.ifrname, name, IFNAMSIZ-1); | |
| 1066 l_ptr->dev_info.ifrname[IFNAMSIZ-1] = '\0'; | |
| 1067 } | |
| 1068 else { | |
| 1069 l_ptr->dev_info.ifrname[0] = '\0'; | |
| 1070 } | |
| 1071 | |
| 1072 sscanf(buff, field_format[version], | |
| 1073 &l_ptr->dev_info.receive_bytes, | |
| 1074 &l_ptr->dev_info.receive_packets, | |
| 1075 &l_ptr->dev_info.receive_errors, | |
| 1076 &l_ptr->dev_info.receive_drop, | |
| 1077 &l_ptr->dev_info.receive_fifo, | |
| 1078 &l_ptr->dev_info.receive_frame, | |
| 1079 &l_ptr->dev_info.receive_compressed, | |
| 1080 &l_ptr->dev_info.receive_multicast, | |
| 1081 &l_ptr->dev_info.transmit_bytes, | |
| 1082 &l_ptr->dev_info.transmit_packets, | |
| 1083 &l_ptr->dev_info.transmit_errors, | |
| 1084 &l_ptr->dev_info.transmit_drop, | |
| 1085 &l_ptr->dev_info.transmit_fifo, | |
| 1086 &l_ptr->dev_info.transmit_colls, | |
| 1087 &l_ptr->dev_info.transmit_carrier, | |
| 1088 &l_ptr->dev_info.transmit_compressed | |
| 1089 ); | |
| 1090 | |
| 1091 if(version == 0) | |
| 1092 l_ptr->dev_info.receive_bytes = l_ptr->dev_info.transmit_bytes = 0; | |
| 1093 if(version == 1) | |
| 1094 l_ptr->dev_info.receive_multicast = l_ptr->dev_info.receive_compressed = l_ptr->dev_info.transmit_compressed = 0; | |
| 1095 return; | |
| 1096 } | |
| 1097 | |
| 1098 static void add_iface_to_list(IFACE_LIST *newnode) | |
| 1099 { | |
| 1100 IFACE_LIST *head_ref = iface_list_head; | |
| 1101 | |
| 1102 if((head_ref == NULL) || strcmp(newnode->dev_info.ifrname, head_ref->dev_info.ifrname) < 0) { | |
| 1103 newnode->next = head_ref; | |
| 1104 head_ref = newnode; | |
| 1105 } | |
| 1106 else { | |
| 1107 IFACE_LIST *current = head_ref; | |
| 1108 while(current->next != NULL && (strcmp(current->next->dev_info.ifrname, newnode->dev_info.ifrname)) < 0) | |
| 1109 current = current->next; | |
| 1110 newnode->next = current->next; | |
| 1111 current->next = newnode; | |
| 1112 } | |
| 1113 iface_list_head = head_ref; | |
| 1114 return; | |
| 1115 } | |
| 1116 | |
| 1117 static int get_device_info(IFACE_LIST *l_ptr) | |
| 1118 { | |
| 1119 struct ifreq ifre; | |
| 1120 char *ifrname = l_ptr->dev_info.ifrname; | |
| 1121 int sokfd; | |
| 1122 | |
| 1123 sokfd = socket(AF_INET, SOCK_DGRAM, 0); | |
| 1124 if(sokfd < 0) | |
| 1125 return sokfd; | |
| 1126 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1127 if(ioctl(sokfd, SIOCGIFFLAGS, &ifre) < 0) { | |
| 1128 close(sokfd); | |
| 1129 return NO_RANGE; | |
| 1130 } | |
| 1131 l_ptr->ifrflags = ifre.ifr_flags; | |
| 1132 | |
| 1133 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1134 if(ioctl(sokfd, SIOCGIFHWADDR, &ifre) >= 0) | |
| 1135 memcpy(l_ptr->ifrhwaddr.sa_data, ifre.ifr_hwaddr.sa_data, sizeof(l_ptr->ifrhwaddr.sa_data)); | |
| 1136 | |
| 1137 l_ptr->hw_type = ifre.ifr_hwaddr.sa_family; | |
| 1138 | |
| 1139 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1140 if(ioctl(sokfd, SIOCGIFMETRIC, &ifre) >= 0) | |
| 1141 l_ptr->ifrmetric = ifre.ifr_metric; | |
| 1142 | |
| 1143 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1144 if(ioctl(sokfd, SIOCGIFMTU, &ifre) >= 0) | |
| 1145 l_ptr->ifrmtu = ifre.ifr_mtu; | |
| 1146 | |
| 1147 #ifdef SIOCGIFMAP | |
| 1148 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1149 if(ioctl(sokfd, SIOCGIFMAP, &ifre) == 0) | |
| 1150 l_ptr->ifrmap = ifre.ifr_map; | |
| 1151 #endif | |
| 1152 | |
| 1153 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1154 l_ptr->txqueuelen = NO_RANGE; | |
| 1155 if(ioctl(sokfd, SIOCGIFTXQLEN, &ifre) >= 0) | |
| 1156 l_ptr->txqueuelen = ifre.ifr_qlen; | |
| 1157 | |
| 1158 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1159 ifre.ifr_addr.sa_family = AF_INET; | |
| 1160 | |
| 1161 if(ioctl(sokfd, SIOCGIFADDR, &ifre) == 0) { | |
| 1162 l_ptr->ifaddr = 1; | |
| 1163 l_ptr->ifraddr = ifre.ifr_addr; | |
| 1164 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1165 if(ioctl(sokfd, SIOCGIFDSTADDR, &ifre) >= 0) | |
| 1166 l_ptr->ifrdstaddr = ifre.ifr_dstaddr; | |
| 1167 | |
| 1168 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1169 if(ioctl(sokfd, SIOCGIFBRDADDR, &ifre) >= 0) | |
| 1170 l_ptr->ifrbroadaddr = ifre.ifr_broadaddr; | |
| 1171 | |
| 1172 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1173 if(ioctl(sokfd, SIOCGIFNETMASK, &ifre) >= 0) | |
| 1174 l_ptr->ifrnetmask = ifre.ifr_netmask; | |
| 1175 } | |
| 1176 close(sokfd); | |
| 1177 return 0; | |
| 1178 } | |
| 1179 | |
| 1180 static void get_ifconfig_info(void) | |
| 1181 { | |
| 1182 IFACE_LIST *l_ptr; | |
| 1183 char buff[BUFSIZ] = {0,}; | |
| 1184 int version_num = 0; | |
| 1185 | |
| 1186 FILE *fp = fopen(PROC_NET_DEV, "r"); | |
| 1187 if(fp == NULL) | |
| 1188 return; | |
| 1189 | |
| 1190 fgets(buff, sizeof(buff), fp); //skip 1st header line. | |
| 1191 fgets(buff, sizeof(buff), fp); //skip 2nd header line. | |
| 1192 | |
| 1193 if(strstr(buff, "compressed")) | |
| 1194 version_num = 2; | |
| 1195 else if(strstr(buff, "bytes")) | |
| 1196 version_num = 1; | |
| 1197 else | |
| 1198 version_num = 0; | |
| 1199 | |
| 1200 while(fgets(buff, BUFSIZ, fp)) { | |
| 1201 l_ptr = xzalloc(sizeof(IFACE_LIST)); | |
| 1202 get_proc_info(buff, l_ptr, version_num); | |
| 1203 add_iface_to_list(l_ptr); | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1204 l_ptr->non_virtual_iface = 1; |
| 841 | 1205 errno = 0; |
| 1206 if(get_device_info(l_ptr) < 0) { | |
| 1207 const char *errstr = strerror(errno); | |
| 1208 fclose(fp); | |
| 1209 fp = NULL; | |
| 1210 clear_list(); | |
| 1211 perror_exit("%s: error getting interface info: %s", l_ptr->dev_info.ifrname, errstr); | |
| 1212 } | |
| 1213 }//end of while. | |
| 1214 fclose(fp); | |
| 1215 fp = NULL; | |
| 1216 return; | |
| 1217 } | |
| 1218 | |
| 1219 static void get_hw_info(int hw_type, HW_INFO *hw_info) | |
| 1220 { | |
| 1221 #define HW_UNSPEC -1 | |
| 1222 switch(hw_type) { | |
| 1223 case ARPHRD_LOOPBACK: //Loopback device. | |
| 1224 strncpy(hw_info->hw_name, "loop", HW_NAME_LEN); | |
| 1225 strncpy(hw_info->hw_title, "Local Loopback", HW_TITLE_LEN); | |
| 1226 hw_info->hw_addrlen = 0; | |
| 1227 break; | |
| 1228 case ARPHRD_ETHER: //Ethernet | |
| 1229 strncpy(hw_info->hw_name, "ether", HW_NAME_LEN); | |
| 1230 strncpy(hw_info->hw_title, "Ethernet", HW_TITLE_LEN); | |
| 1231 hw_info->hw_addrlen = ETH_ALEN; | |
| 1232 break; | |
| 1233 case ARPHRD_PPP: //ARPHRD_PPP | |
| 1234 strncpy(hw_info->hw_name, "ppp", HW_NAME_LEN); | |
| 1235 strncpy(hw_info->hw_title, "Point-to-Point Protocol", HW_TITLE_LEN); | |
| 1236 hw_info->hw_addrlen = 0; | |
| 1237 break; | |
| 1238 case ARPHRD_INFINIBAND: //InfiniBand | |
| 1239 strncpy(hw_info->hw_name, "infiniband", HW_NAME_LEN); | |
| 1240 strncpy(hw_info->hw_title, "InfiniBand", HW_TITLE_LEN); | |
| 1241 hw_info->hw_addrlen = 20; | |
| 1242 break; | |
| 1243 case ARPHRD_SIT: //sit0 device - IPv6-in-IPv4 | |
| 1244 strncpy(hw_info->hw_name, "sit", HW_NAME_LEN); | |
| 1245 strncpy(hw_info->hw_title, "IPv6-in-IPv4", HW_TITLE_LEN); | |
| 1246 hw_info->hw_addrlen = 0; | |
| 1247 break; | |
| 1248 case HW_UNSPEC: //UNSPEC | |
| 1249 strncpy(hw_info->hw_name, "unspec", HW_NAME_LEN); | |
| 1250 strncpy(hw_info->hw_title, "UNSPEC", HW_TITLE_LEN); | |
| 1251 hw_info->hw_addrlen = 0; | |
| 1252 break; | |
| 1253 default: | |
| 1254 break; | |
| 1255 } | |
| 1256 #undef HW_UNSPEC | |
| 1257 return; | |
| 1258 } | |
| 1259 | |
| 1260 static void print_hw_addr(int hw_type, HW_INFO hw_info, IFACE_LIST *l_ptr) | |
| 1261 { | |
| 1262 unsigned char *address = (unsigned char *) l_ptr->ifrhwaddr.sa_data; | |
| 1263 if(!address || (hw_info.hw_addrlen == 0)) | |
| 1264 return; | |
| 1265 xprintf("HWaddr "); | |
| 1266 if(hw_type == ARPHRD_ETHER) | |
| 1267 xprintf("%02X:%02X:%02X:%02X:%02X:%02X", address[0], address[1], address[2], | |
| 1268 address[3], address[4], address[5]); | |
| 1269 return; | |
| 1270 } | |
| 1271 | |
| 1272 static const char *get_ip_addr(struct sockaddr *skaddr) | |
| 1273 { | |
| 1274 static char *ip_str = NULL; | |
| 1275 struct sockaddr_in *sin; | |
| 1276 | |
| 1277 if(skaddr->sa_family == 0xFFFF || skaddr->sa_family == 0) | |
| 1278 return "[NOT SET]"; | |
| 1279 sin = (struct sockaddr_in *)skaddr; | |
| 1280 if(sin->sin_family != AF_INET) { | |
| 1281 errno = EAFNOSUPPORT; | |
| 1282 return NULL; | |
| 1283 } | |
| 1284 if( (ip_str = inet_ntoa(sin->sin_addr)) != NULL) | |
| 1285 return ip_str; | |
| 1286 | |
| 1287 return NULL; | |
| 1288 } | |
| 1289 | |
| 1290 static void print_ip_addr(IFACE_LIST *l_ptr) | |
| 1291 { | |
| 1292 const char *af_name; | |
| 1293 int af = l_ptr->ifraddr.sa_family; | |
| 1294 if(af == AF_INET) | |
| 1295 af_name = "inet"; | |
| 1296 else if(af == AF_INET6) | |
| 1297 af_name = "inet6"; | |
| 1298 else if(af == AF_UNSPEC) | |
| 1299 af_name = "unspec"; | |
| 1300 | |
| 1301 xprintf("%10s%s addr:%s ", " ", af_name, get_ip_addr(&l_ptr->ifraddr)); | |
| 1302 if(l_ptr->ifrflags & IFF_POINTOPOINT) | |
| 1303 xprintf(" P-t-P:%s ", get_ip_addr(&l_ptr->ifrdstaddr)); | |
| 1304 if(l_ptr->ifrflags & IFF_BROADCAST) | |
| 1305 xprintf(" Bcast:%s ", get_ip_addr(&l_ptr->ifrbroadaddr)); | |
| 1306 xprintf(" Mask:%s\n", get_ip_addr(&l_ptr->ifrnetmask)); | |
| 1307 return; | |
| 1308 } | |
| 1309 | |
| 1310 static void print_iface_flags(IFACE_LIST *l_ptr) | |
| 1311 { | |
| 1312 if(l_ptr->ifrflags != 0) { | |
| 1313 unsigned short mask = 1; | |
| 1314 char **str = iface_flags_str; | |
| 1315 for(; *str != NULL; str++) { | |
| 1316 if(l_ptr->ifrflags & mask) | |
| 1317 xprintf("%s ", *str); | |
| 1318 mask = mask << 1; | |
| 1319 } | |
| 1320 } | |
| 1321 else | |
| 1322 xprintf("[NO FLAGS] "); | |
| 1323 return; | |
| 1324 } | |
| 1325 | |
| 1326 static void print_media(IFACE_LIST *l_ptr) | |
| 1327 { | |
| 1328 #ifdef IFF_PORTSEL | |
| 1329 if(l_ptr->ifrflags & IFF_PORTSEL) { | |
| 1330 xprintf("Media:"); | |
| 1331 if(l_ptr->ifrmap.port == IF_PORT_UNKNOWN) | |
| 1332 xprintf("%s", "unknown"); | |
| 1333 else if(l_ptr->ifrmap.port == IF_PORT_10BASE2) | |
| 1334 xprintf("%s", "10base2"); | |
| 1335 else if(l_ptr->ifrmap.port == IF_PORT_10BASET) | |
| 1336 xprintf("%s", "10baseT"); | |
| 1337 else if(l_ptr->ifrmap.port == IF_PORT_AUI) | |
| 1338 xprintf("%s", "AUI"); | |
| 1339 else if(l_ptr->ifrmap.port == IF_PORT_100BASET) | |
| 1340 xprintf("%s", "100baseT"); | |
| 1341 else if(l_ptr->ifrmap.port == IF_PORT_100BASETX) | |
| 1342 xprintf("%s", "100baseTX"); | |
| 1343 else if(l_ptr->ifrmap.port == IF_PORT_100BASEFX) | |
| 1344 xprintf("%s", "100baseFX"); | |
| 1345 if(l_ptr->ifrflags & IFF_AUTOMEDIA) | |
| 1346 xprintf("(auto)"); | |
| 1347 } | |
| 1348 #endif | |
| 1349 return; | |
| 1350 } | |
| 1351 | |
| 1352 static void print_ip6_addr(IFACE_LIST *l_ptr) | |
| 1353 { | |
| 1354 char iface_name[IFNAMSIZ] = {0,}; | |
| 1355 char buf[BUFSIZ] = {0,}; | |
| 1356 int plen, scope; | |
| 1357 | |
| 1358 FILE *fp = fopen(PROC_NET_IFINET6, "r"); | |
| 1359 if(fp == NULL) | |
| 1360 return; | |
| 1361 | |
| 1362 while(fgets(buf, BUFSIZ, fp)) { | |
| 1363 int nitems = 0; | |
| 1364 char ipv6_addr[40] = {0,}; | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1365 nitems = sscanf(buf, "%32s %*08x %02x %02x %*02x %15s\n", |
| 841 | 1366 ipv6_addr+7, &plen, &scope, iface_name); |
| 1367 if(nitems != 4) { | |
| 1368 if((nitems < 0) && feof(fp)) | |
| 1369 break; | |
| 1370 perror_exit("sscanf"); | |
| 1371 } | |
| 1372 if(strcmp(l_ptr->dev_info.ifrname,iface_name) == 0) { | |
| 1373 int i = 0; | |
| 1374 struct sockaddr_in6 sock_in6; | |
| 1375 int len = sizeof(ipv6_addr) / (sizeof ipv6_addr[0]); | |
| 1376 char *ptr = ipv6_addr+7; | |
| 1377 while((i < len-2) && (*ptr)) { | |
| 1378 ipv6_addr[i++] = *ptr++; | |
| 1379 //put ':' after 4th bit | |
| 1380 if(!((i+1) % 5)) | |
| 1381 ipv6_addr[i++] = ':'; | |
| 1382 } | |
| 1383 ipv6_addr[i+1] = '\0'; | |
| 1384 if(inet_pton(AF_INET6, ipv6_addr, (struct sockaddr *) &sock_in6.sin6_addr) > 0) { | |
| 1385 sock_in6.sin6_family = AF_INET6; | |
| 1386 memset(buf, 0, (sizeof(buf) /sizeof(buf[0]))); | |
| 1387 if(inet_ntop(AF_INET6, &sock_in6.sin6_addr, buf, BUFSIZ) > 0) { | |
| 1388 xprintf("%10sinet6 addr: %s/%d", " ", buf, plen); | |
| 1389 xprintf(" Scope:"); | |
| 1390 if(scope == IPV6_ADDR_ANY) xprintf(" Global"); | |
| 1391 else if(scope == IPV6_ADDR_LOOPBACK) xprintf(" Host"); | |
| 1392 else if(scope == IPV6_ADDR_LINKLOCAL) xprintf(" Link"); | |
| 1393 else if(scope == IPV6_ADDR_SITELOCAL) xprintf(" Site"); | |
| 1394 else if(scope == IPV6_ADDR_COMPATv4) xprintf(" Compat"); | |
| 1395 else xprintf("Unknown"); | |
| 1396 xprintf("\n"); | |
| 1397 } | |
| 1398 } | |
| 1399 } | |
| 1400 }//end of while. | |
| 1401 fclose(fp); | |
| 1402 fp = NULL; | |
| 1403 return; | |
| 1404 } | |
| 1405 | |
| 1406 static void display_ifconfig(IFACE_LIST *l_ptr) | |
| 1407 { | |
| 1408 HW_INFO hw_info; | |
| 1409 int hw_type = l_ptr->hw_type; | |
| 1410 | |
| 1411 memset(&hw_info, 0, sizeof(HW_INFO)); | |
| 1412 | |
| 1413 get_hw_info(hw_type, &hw_info); | |
| 1414 xprintf("%-9s Link encap:%s ", l_ptr->dev_info.ifrname, hw_info.hw_title); | |
| 1415 print_hw_addr(hw_type, hw_info, l_ptr); | |
| 1416 | |
| 1417 print_media(l_ptr); | |
| 1418 | |
| 1419 xprintf("\n"); | |
| 1420 if(l_ptr->ifaddr) | |
| 1421 print_ip_addr(l_ptr); //print addr, p-p addr, broadcast addr and mask addr. | |
| 1422 | |
| 1423 //for ipv6 to do. | |
| 1424 print_ip6_addr(l_ptr); | |
| 1425 xprintf("%10s", " "); | |
| 1426 //print flags | |
| 1427 print_iface_flags(l_ptr); | |
| 1428 if(!l_ptr->ifrmetric) | |
| 1429 l_ptr->ifrmetric = 1; | |
| 1430 xprintf(" MTU:%d Metric:%d", l_ptr->ifrmtu, l_ptr->ifrmetric); | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1431 xprintf("\n"); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1432 if(l_ptr->non_virtual_iface) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1433 xprintf("%10s", " "); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1434 xprintf("RX packets:%llu errors:%lu dropped:%lu overruns:%lu frame:%lu\n", |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1435 l_ptr->dev_info.receive_packets, l_ptr->dev_info.receive_errors, |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1436 l_ptr->dev_info.receive_drop, l_ptr->dev_info.receive_fifo, |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1437 l_ptr->dev_info.receive_frame); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1438 //Dummy types for non ARP hardware. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1439 if((hw_type == ARPHRD_CSLIP) || (hw_type == ARPHRD_CSLIP6)) |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1440 xprintf("%10scompressed:%lu\n", " ", l_ptr->dev_info.receive_compressed); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1441 xprintf("%10sTX packets:%llu errors:%lu dropped:%lu overruns:%lu carrier:%lu\n", " ", |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1442 l_ptr->dev_info.transmit_packets, l_ptr->dev_info.transmit_errors, |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1443 l_ptr->dev_info.transmit_drop, l_ptr->dev_info.transmit_fifo, |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1444 l_ptr->dev_info.transmit_carrier); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1445 xprintf("%10scollisions:%lu ", " ", l_ptr->dev_info.transmit_colls); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1446 //Dummy types for non ARP hardware. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1447 if((hw_type == ARPHRD_CSLIP) || (hw_type == ARPHRD_CSLIP6)) |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1448 xprintf("compressed:%lu ", l_ptr->dev_info.transmit_compressed); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1449 if(l_ptr->txqueuelen != NO_RANGE) |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1450 xprintf("txqueuelen:%d ", l_ptr->txqueuelen); |
| 841 | 1451 |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1452 xprintf("\n%10s", " "); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1453 xprintf("RX bytes:%llu ", l_ptr->dev_info.receive_bytes); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1454 xprintf("TX bytes:%llu\n", l_ptr->dev_info.transmit_bytes); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1455 } |
| 841 | 1456 if(l_ptr->ifrmap.irq || l_ptr->ifrmap.mem_start || l_ptr->ifrmap.dma || l_ptr->ifrmap.base_addr) { |
| 1457 xprintf("%10s", " "); | |
| 1458 if(l_ptr->ifrmap.irq) | |
| 1459 xprintf("Interrupt:%d ", l_ptr->ifrmap.irq); | |
| 1460 if(l_ptr->ifrmap.base_addr >= IO_MAP_INDEX) | |
| 1461 xprintf("Base address:0x%lx ", l_ptr->ifrmap.base_addr); | |
| 1462 if(l_ptr->ifrmap.mem_start) | |
| 1463 xprintf("Memory:%lx-%lx ", l_ptr->ifrmap.mem_start, l_ptr->ifrmap.mem_end); | |
| 1464 if(l_ptr->ifrmap.dma) | |
| 1465 xprintf("DMA chan:%x ", l_ptr->ifrmap.dma); | |
| 1466 xprintf("\n"); | |
| 1467 } | |
| 1468 xprintf("\n"); | |
| 1469 return; | |
| 1470 } | |
| 1471 | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1472 static int readconf(void) |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1473 { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1474 #define NUM_OF_REQUESTS 30 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1475 int num_of_req = NUM_OF_REQUESTS; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1476 struct ifconf ifcon; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1477 struct ifreq *ifre; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1478 int num, status = -1, sokfd; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1479 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1480 ifcon.ifc_buf = NULL; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1481 sokfd = socket(AF_INET, SOCK_DGRAM, 0); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1482 if(sokfd < 0) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1483 perror_msg("error: no inet socket available"); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1484 return -1; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1485 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1486 while(TRUE) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1487 ifcon.ifc_len = sizeof(struct ifreq) * num_of_req; //Size of buffer. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1488 ifcon.ifc_buf = xrealloc(ifcon.ifc_buf, ifcon.ifc_len); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1489 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1490 if((status = ioctl(sokfd, SIOCGIFCONF, &ifcon)) == -1) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1491 perror_msg("ioctl %#x failed", SIOCGIFCONF); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1492 goto LOOP_BREAK; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1493 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1494 //in case of overflow, increase number of requests and retry. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1495 if (ifcon.ifc_len == (int)(sizeof(struct ifreq) * num_of_req)) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1496 num_of_req += 10; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1497 continue; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1498 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1499 break; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1500 }//End of while loop |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1501 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1502 ifre = ifcon.ifc_req; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1503 for(num = 0; num < ifcon.ifc_len && ifre; num += sizeof(struct ifreq), ifre++) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1504 //Escape duplicate values from the list. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1505 IFACE_LIST *list_ptr; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1506 int match_found = 0; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1507 for(list_ptr = iface_list_head; list_ptr != NULL; list_ptr = list_ptr->next) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1508 //if interface already in the list then donot add it in the list. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1509 if(!strcmp(ifre->ifr_name, list_ptr->dev_info.ifrname)) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1510 match_found = 1; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1511 break; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1512 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1513 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1514 if(!match_found) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1515 IFACE_LIST *l_ptr = xzalloc(sizeof(IFACE_LIST)); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1516 safe_strncpy(l_ptr->dev_info.ifrname, ifre->ifr_name, IFNAMSIZ); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1517 add_iface_to_list(l_ptr); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1518 errno = 0; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1519 if(get_device_info(l_ptr) < 0) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1520 clear_list(); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1521 perror_exit("%s: error getting interface info: %s", l_ptr->dev_info.ifrname, strerror(errno)); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1522 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1523 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1524 }//End of for loop. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1525 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1526 LOOP_BREAK: |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1527 close(sokfd); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1528 free(ifcon.ifc_buf); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1529 #undef NUM_OF_REQUESTS |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1530 return status; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1531 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1532 |
| 841 | 1533 static int show_iface(char *iface_name) |
| 1534 { | |
| 1535 get_ifconfig_info(); | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1536 |
| 841 | 1537 if(iface_name) { |
| 1538 IFACE_LIST *l_ptr; | |
| 1539 int is_dev_found = 0; | |
| 1540 for(l_ptr = iface_list_head; l_ptr; l_ptr = l_ptr->next) { | |
| 1541 if(strcmp(l_ptr->dev_info.ifrname, iface_name) == 0) { | |
| 1542 is_dev_found = 1; | |
| 1543 display_ifconfig(l_ptr); | |
| 1544 break; | |
| 1545 } | |
| 1546 } | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1547 //if the given interface is not in the list. |
| 841 | 1548 if(!is_dev_found) { |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1549 IFACE_LIST *l_ptr = xzalloc(sizeof(IFACE_LIST)); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1550 safe_strncpy(l_ptr->dev_info.ifrname, iface_name, IFNAMSIZ); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1551 errno = 0; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1552 if(get_device_info(l_ptr) < 0) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1553 const char *errmsg; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1554 if(errno == ENODEV) errmsg = "Device not found"; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1555 else errmsg = strerror(errno); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1556 error_msg("%s: error getting interface info: %s", iface_name, errmsg); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1557 free(l_ptr); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1558 return 1; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1559 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1560 else display_ifconfig(l_ptr); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1561 free(l_ptr); |
| 841 | 1562 } |
| 1563 } | |
| 1564 else { | |
| 1565 IFACE_LIST *l_ptr; | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1566 if(readconf() < 0) return 1; |
| 841 | 1567 for(l_ptr = iface_list_head; l_ptr; l_ptr = l_ptr->next) { |
| 1568 if((l_ptr->ifrflags & IFF_UP) || (toys.optflags & FLAG_a)) | |
| 1569 display_ifconfig(l_ptr); | |
| 1570 } | |
| 1571 } | |
| 1572 return 0; | |
| 1573 } | |
| 1574 | |
| 1575 static void clear_list(void) | |
| 1576 { | |
| 1577 IFACE_LIST *temp_ptr; | |
| 1578 while(iface_list_head != NULL) { | |
| 1579 temp_ptr = iface_list_head->next; | |
| 1580 free(iface_list_head); | |
| 1581 iface_list_head = temp_ptr; | |
| 1582 } | |
| 1583 return; | |
| 1584 } |