Mercurial > hg > toybox
annotate toys/pending/ifconfig.c @ 843:1b36ac92e2cc
Drive-by cleanup on ifconfig.
| author | Rob Landley <rob@landley.net> |
|---|---|
| date | Thu, 04 Apr 2013 20:27:08 -0500 |
| parents | af5aab6e6678 |
| children | f8250900f94b |
| 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 typedef struct sockaddr_with_len { | |
| 41 union { | |
| 42 struct sockaddr sock; | |
| 43 struct sockaddr_in sock_in; | |
| 44 struct sockaddr_in6 sock_in6; | |
| 45 }sock_u; | |
| 46 socklen_t socklen; | |
| 47 }sockaddr_with_len; | |
| 48 | |
| 49 //Function Declaration. | |
| 50 int get_hostname(const char *, struct sockaddr_in *); | |
| 51 int get_addrinfo(const char *, struct sockaddr_in6 *); | |
| 52 void get_flag_value(char **, int); | |
| 53 void display_routes(int, int); | |
| 54 void setport(struct sockaddr *, unsigned); | |
| 55 unsigned get_strtou(const char *, char **, int); | |
| 56 char *address_to_name(const struct sockaddr *); | |
| 57 sockaddr_with_len *get_sockaddr(const char *, int, sa_family_t); | |
| 58 | |
| 59 //Structure Declaration | |
| 60 typedef struct _proc_net_dev_info { | |
| 61 char ifrname[IFNAMSIZ]; //interface name. | |
| 62 unsigned long long receive_bytes; //total bytes received | |
| 63 unsigned long long receive_packets; //total packets received | |
| 64 unsigned long receive_errors; //bad packets received | |
| 65 unsigned long receive_drop; //no space in linux buffers | |
| 66 unsigned long receive_fifo; //receiver fifo overrun | |
| 67 unsigned long receive_frame; //received frame alignment error | |
| 68 unsigned long receive_compressed; | |
| 69 unsigned long receive_multicast; //multicast packets received | |
| 70 | |
| 71 unsigned long long transmit_bytes; //total bytes transmitted | |
| 72 unsigned long long transmit_packets; //total packets transmitted | |
| 73 unsigned long transmit_errors; //packet transmit problems | |
| 74 unsigned long transmit_drop; //no space available in linux | |
| 75 unsigned long transmit_fifo; | |
| 76 unsigned long transmit_colls; | |
| 77 unsigned long transmit_carrier; | |
| 78 unsigned long transmit_compressed; //num_tr_compressed; | |
| 79 }PROC_NET_DEV_INFO; | |
| 80 | |
| 81 //man netdevice | |
| 82 typedef struct _iface_list { | |
| 83 int hw_type; | |
| 84 short ifrflags; //used for addr, broadcast, and mask. | |
| 85 short ifaddr; //if set print ifraddr, irrdstaddr, ifrbroadaddr and ifrnetmask. | |
| 86 struct sockaddr ifraddr; | |
| 87 struct sockaddr ifrdstaddr; | |
| 88 struct sockaddr ifrbroadaddr; | |
| 89 struct sockaddr ifrnetmask; | |
| 90 struct sockaddr ifrhwaddr; | |
| 91 int ifrmtu; | |
| 92 int ifrmetric; | |
| 93 PROC_NET_DEV_INFO dev_info; | |
| 94 int txqueuelen; | |
| 95 struct ifmap ifrmap; | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
96 int non_virtual_iface; |
| 841 | 97 struct _iface_list *next; //, *prev; |
| 98 }IFACE_LIST; | |
| 99 | |
| 100 | |
| 101 #define HW_NAME_LEN 20 | |
| 102 #define HW_TITLE_LEN 30 | |
| 103 | |
| 104 typedef struct _hw_info { | |
| 105 char hw_name[HW_NAME_LEN]; | |
| 106 char hw_title[HW_TITLE_LEN]; | |
| 107 int hw_addrlen; | |
| 108 }HW_INFO; | |
| 109 | |
| 110 static const char *const field_format[] = { | |
| 111 "%n%llu%u%u%u%u%n%n%n%llu%u%u%u%u%u", | |
| 112 "%llu%llu%u%u%u%u%n%n%llu%llu%u%u%u%u%u", | |
| 113 "%llu%llu%u%u%u%u%u%u%llu%llu%u%u%u%u%u%u" | |
| 114 }; | |
| 115 | |
| 116 #define PROC_NET_DEV "/proc/net/dev" | |
| 117 #define PROC_NET_IFINET6 "/proc/net/if_inet6" | |
| 118 #define NO_RANGE -1 | |
| 119 #define IO_MAP_INDEX 0x100 | |
| 120 | |
| 121 static int show_iface(char *iface_name); | |
| 122 static void print_ip6_addr(IFACE_LIST *l_ptr); | |
| 123 static void clear_list(void); | |
| 124 | |
| 125 //from /net/if.h | |
| 126 static char *iface_flags_str[] = { | |
| 127 "UP", | |
| 128 "BROADCAST", | |
| 129 "DEBUG", | |
| 130 "LOOPBACK", | |
| 131 "POINTOPOINT", | |
| 132 "NOTRAILERS", | |
| 133 "RUNNING", | |
| 134 "NOARP", | |
| 135 "PROMISC", | |
| 136 "ALLMULTI", | |
| 137 "MASTER", | |
| 138 "SLAVE", | |
| 139 "MULTICAST", | |
| 140 "PORTSEL", | |
| 141 "AUTOMEDIA", | |
| 142 "DYNAMIC", | |
| 143 NULL | |
| 144 }; | |
| 145 //from /usr/include/linux/netdevice.h | |
| 146 #ifdef IFF_PORTSEL | |
| 147 //Media selection options. | |
| 148 # ifndef IF_PORT_UNKNOWN | |
| 149 enum { | |
| 150 IF_PORT_UNKNOWN = 0, | |
| 151 IF_PORT_10BASE2, | |
| 152 IF_PORT_10BASET, | |
| 153 IF_PORT_AUI, | |
| 154 IF_PORT_100BASET, | |
| 155 IF_PORT_100BASETX, | |
| 156 IF_PORT_100BASEFX | |
| 157 }; | |
| 158 # endif | |
| 159 #endif | |
| 160 | |
| 161 //from kernel header ipv6.h | |
| 162 #define IPV6_ADDR_ANY 0x0000U | |
| 163 #define IPV6_ADDR_LOOPBACK 0x0010U | |
| 164 #define IPV6_ADDR_LINKLOCAL 0x0020U | |
| 165 #define IPV6_ADDR_SITELOCAL 0x0040U | |
| 166 #define IPV6_ADDR_COMPATv4 0x0080U | |
| 167 | |
| 168 //================================================================================== | |
| 169 //for the param settings. | |
| 170 | |
| 171 //for ipv6 add/del | |
| 172 struct ifreq_inet6 { | |
| 173 struct in6_addr ifrinte6_addr; | |
| 174 uint32_t ifrinet6_prefixlen; | |
| 175 int ifrinet6_ifindex; | |
| 176 }; | |
| 177 | |
| 178 #ifndef SIOCSKEEPALIVE | |
| 179 # define SIOCSKEEPALIVE (SIOCDEVPRIVATE) /* Set keepalive timeout in sec */ | |
| 180 # define SIOCGKEEPALIVE (SIOCDEVPRIVATE+1) /* Get keepalive timeout */ | |
| 181 #endif | |
| 182 | |
| 183 #ifndef SIOCSOUTFILL | |
| 184 # define SIOCSOUTFILL (SIOCDEVPRIVATE+2) /* Set outfill timeout */ | |
| 185 # define SIOCGOUTFILL (SIOCDEVPRIVATE+3) /* Get outfill timeout */ | |
| 186 #endif | |
| 187 | |
| 188 #ifndef INFINIBAND_ALEN | |
| 189 # define INFINIBAND_ALEN 20 | |
| 190 #endif | |
| 191 | |
| 192 static void set_data(int sockfd, struct ifreq *ifre, char *kval, int request, const char *req_name); | |
| 193 static void set_flags(int sockfd, struct ifreq *ifre, int arg_flag, int flag); //verify | |
| 194 static void set_mtu(int sockfd, struct ifreq *ifre, const char *mtu); //verify | |
| 195 static void set_metric(int sockfd, struct ifreq *ifre, const char *metric); //verify | |
| 196 static void set_qlen(int sockfd, struct ifreq *ifre, const char *qlen); //verify | |
| 197 static void set_address(int sockfd, const char *host_name, struct ifreq *ifre, int request, const char *req_name); | |
| 198 static void set_hw_address(int sockfd, char ***argv, struct ifreq *ifre, int request, const char *req_name); | |
| 199 static void set_ipv6_addr(int sockfd, struct ifreq *ifre, const char *ipv6_addr, int request, const char *req_name); | |
| 200 static void set_memstart(int sockfd, struct ifreq *ifre, const char *start_addr, int request, const char *req_name); | |
| 201 static void set_ioaddr(int sockfd, struct ifreq *ifre, const char *baddr, int request, const char *req_name); | |
| 202 static void set_irq(int sockfd, struct ifreq *ifre, const char *irq_val, int request, const char *req_name); | |
| 203 | |
| 204 char *omit_whitespace(const char *s) | |
| 205 { | |
| 206 while(*s == ' ' || (unsigned char)(*s - 9) <= (13 - 9)) s++; | |
| 207 return (char *) s; | |
| 208 } | |
| 209 | |
| 210 char *safe_strncpy(char *dst, const char *src, size_t size) | |
| 211 { | |
| 212 if(!size) return dst; | |
| 213 dst[--size] = '\0'; | |
| 214 return strncpy(dst, src, size); | |
| 215 } | |
| 216 | |
| 217 /* | |
| 218 * used to get the host name from the given ip. | |
| 219 */ | |
| 220 int get_hostname(const char *ipstr, struct sockaddr_in *sockin) | |
| 221 { | |
| 222 struct hostent *host; | |
| 223 sockin->sin_family = AF_INET; | |
| 224 sockin->sin_port = 0; | |
| 225 | |
| 226 if(strcmp(ipstr, "default") == 0) { | |
| 227 sockin->sin_addr.s_addr = INADDR_ANY; | |
| 228 return 1; | |
| 229 } | |
| 230 | |
| 231 if(inet_aton(ipstr, &sockin->sin_addr)) return 0; | |
| 232 | |
| 233 host = gethostbyname(ipstr); | |
| 234 if(host == NULL) return -1; | |
| 235 memcpy(&sockin->sin_addr, host->h_addr_list[0], sizeof(struct in_addr)); | |
| 236 return 0; | |
| 237 } | |
| 238 | |
| 239 /* | |
| 240 * used to extract the address info from the given ip. | |
| 241 */ | |
| 242 int get_addrinfo(const char *ip, struct sockaddr_in6 *sock_in6) | |
| 243 { | |
| 244 struct addrinfo hints, *result; | |
| 245 int status = 0; | |
| 246 | |
| 247 memset(&hints, 0, sizeof(struct addrinfo)); | |
| 248 hints.ai_family = AF_INET6; | |
| 249 if((status = getaddrinfo(ip, NULL, &hints, &result)) != 0) { | |
| 250 perror_msg("getaddrinfo: %s", gai_strerror(status)); | |
| 251 return -1; | |
| 252 } | |
| 253 if(result) { | |
| 254 memcpy(sock_in6, result->ai_addr, sizeof(*sock_in6)); | |
| 255 freeaddrinfo(result); | |
| 256 } | |
| 257 return 0; | |
| 258 } | |
| 259 | |
| 260 /* | |
| 261 * used to get the flag values for route command. | |
| 262 */ | |
| 263 void get_flag_value(char **flagstr, int flags) | |
| 264 { | |
| 265 int i = 0; | |
| 266 char *str = *flagstr; | |
| 267 static const char flagchars[] = "GHRDMDAC"; | |
| 268 static const unsigned flagarray[] = { | |
| 269 RTF_GATEWAY, | |
| 270 RTF_HOST, | |
| 271 RTF_REINSTATE, | |
| 272 RTF_DYNAMIC, | |
| 273 RTF_MODIFIED, | |
| 274 RTF_DEFAULT, | |
| 275 RTF_ADDRCONF, | |
| 276 RTF_CACHE | |
| 277 }; | |
| 278 *str++ = 'U'; | |
| 279 while( (*str = flagchars[i]) != 0) { | |
| 280 if(flags & flagarray[i++]) ++str; | |
| 281 } | |
| 282 } | |
| 283 | |
| 284 /* | |
| 285 * extract inet4 route info from /proc/net/route file and display it. | |
| 286 */ | |
| 287 void display_routes(int is_more_info, int notresolve) | |
| 288 { | |
| 289 #define IPV4_MASK (RTF_GATEWAY|RTF_HOST|RTF_REINSTATE|RTF_DYNAMIC|RTF_MODIFIED) | |
| 290 unsigned long dest, gate, mask; | |
| 291 int flags, ref, use, metric, mss, win, irtt; | |
| 292 char iface[64]={0,}; | |
| 293 char buf[BUFSIZ] = {0,}; | |
| 294 char *flag_val = xzalloc(10); //there are 9 flags "UGHRDMDAC" for route. | |
| 295 | |
| 296 FILE *fp = xfopen("/proc/net/route", "r"); | |
| 297 | |
| 298 xprintf("Kernel IP routing table\n" | |
| 299 "Destination Gateway Genmask Flags %s Iface\n", | |
| 300 is_more_info ? " MSS Window irtt" : "Metric Ref Use"); | |
| 301 fgets(buf, BUFSIZ, fp); //skip 1st line. | |
| 302 while(fgets(buf, BUFSIZ, fp)) { | |
| 303 int nitems = 0; | |
| 304 char *destip = NULL, *gateip = NULL, *maskip = NULL; | |
| 305 memset(flag_val, 0, 10); | |
| 306 | |
| 307 nitems = sscanf(buf, "%63s%lx%lx%X%d%d%d%lx%d%d%d\n", | |
| 308 iface, &dest, &gate, &flags, &ref, &use, &metric, &mask, &mss, &win, &irtt); | |
| 309 if(nitems != 11) {//EOF with no (nonspace) chars read... | |
| 310 if((nitems < 0) && feof(fp)) break; | |
| 311 perror_exit("fscanf"); | |
| 312 } | |
| 313 //skip down interfaces... | |
| 314 if(!(flags & RTF_UP)) continue; | |
| 315 | |
| 316 //For Destination | |
| 317 if(dest){ | |
| 318 if(inet_ntop(AF_INET, &dest, buf, BUFSIZ) > 0) destip = xstrdup(buf); | |
| 319 } | |
| 320 else { | |
| 321 if(!notresolve) destip = xstrdup("default"); | |
| 322 else destip = xstrdup("0.0.0.0"); | |
| 323 } | |
| 324 //For Gateway | |
| 325 if(gate){ | |
| 326 if(inet_ntop(AF_INET, &gate, buf, BUFSIZ) > 0) gateip = xstrdup(buf); | |
| 327 } | |
| 328 else { | |
| 329 if(!notresolve) gateip = xstrdup("*"); | |
| 330 else gateip = xstrdup("0.0.0.0"); | |
| 331 } | |
| 332 //For Mask | |
| 333 if(inet_ntop(AF_INET, &mask, buf, BUFSIZ) > 0) maskip = xstrdup(buf); | |
| 334 | |
| 335 //Get flag Values | |
| 336 get_flag_value(&flag_val, (flags & IPV4_MASK)); | |
| 337 if(flags & RTF_REJECT) flag_val[0] = '!'; | |
| 338 xprintf("%-15.15s %-15.15s %-16s%-6s", destip, gateip, maskip, flag_val); | |
| 339 if(destip) free(destip); | |
| 340 if(gateip) free(gateip); | |
| 341 if(maskip) free(maskip); | |
| 342 if(is_more_info) xprintf("%5d %-5d %6d %s\n", mss, win, irtt, iface); | |
| 343 else xprintf("%-6d %-2d %7d %s\n", metric, ref, use, iface); | |
| 344 }//end of while... | |
| 345 fclose(fp); | |
| 346 if(flag_val) free(flag_val); | |
| 347 #undef IPV4_MASK | |
| 348 return; | |
| 349 } | |
| 350 | |
| 351 /* | |
| 352 * verify the host is local unix path. | |
| 353 * if so, set the swl input param accordingly. | |
| 354 */ | |
| 355 static int is_host_unix(const char *host, sockaddr_with_len **swl) | |
| 356 { | |
| 357 if(strncmp(host, "local:", 6) == 0) { | |
| 358 struct sockaddr_un *sockun; | |
| 359 *swl = xzalloc(sizeof(struct sockaddr_with_len)); | |
| 360 (*swl)->socklen = sizeof(struct sockaddr_un); | |
| 361 (*swl)->sock_u.sock.sa_family = AF_UNIX; | |
| 362 sockun = (struct sockaddr_un *)&(*swl)->sock_u.sock; | |
| 363 safe_strncpy(sockun->sun_path, host + 6, sizeof(sockun->sun_path)); | |
| 364 return 1; | |
| 365 } | |
| 366 return 0; | |
| 367 } | |
| 368 | |
| 369 /* | |
| 370 * validate the input param (host) for valid ipv6 ip and extract port number (if there). | |
| 371 */ | |
| 372 static void get_host_and_port(char **host, int *port) | |
| 373 { | |
| 374 char *ch_ptr; | |
| 375 const char *org_host = *host; | |
| 376 if(*host[0] == '[') { | |
| 377 (*host)++; | |
| 378 ch_ptr = strchr(*host, ']'); | |
| 379 if(!ch_ptr || (ch_ptr[1] != ':' && ch_ptr[1] != '\0')) | |
| 380 error_exit("bad address '%s'", org_host); | |
| 381 } | |
| 382 else { | |
| 383 ch_ptr = strrchr(*host, ':'); | |
| 384 //There is more than one ':' like "::1" | |
| 385 if(ch_ptr && strchr(*host, ':') != ch_ptr) | |
| 386 ch_ptr = NULL; | |
| 387 } | |
| 388 if(ch_ptr) { //pointer to ":" or "]:" | |
| 389 int size = ch_ptr - (*host) + 1; | |
| 390 safe_strncpy(*host, *host, size); | |
| 391 if(*ch_ptr != ':') { | |
| 392 ch_ptr++; //skip ']' | |
| 393 //[nn] without port | |
| 394 if(*ch_ptr == '\0') | |
| 395 return; | |
| 396 } | |
| 397 ch_ptr++; //skip ':' to get the port number. | |
| 398 *port = get_strtou(ch_ptr, NULL, 10); | |
|
843
1b36ac92e2cc
Drive-by cleanup on ifconfig.
Rob Landley <rob@landley.net>
parents:
842
diff
changeset
|
399 if(errno || (unsigned)*port > 65535) |
| 841 | 400 error_exit("bad port spec '%s'", org_host); |
| 401 } | |
| 402 return; | |
| 403 } | |
| 404 | |
| 405 /* | |
| 406 * used to extract the address info from the given host ip | |
| 407 * and update the swl param accordingly. | |
| 408 */ | |
| 409 static int get_socket_stream(const char *host, sa_family_t af, sockaddr_with_len **swl) | |
| 410 { | |
| 411 struct addrinfo hints; | |
| 412 struct addrinfo *result, *rp; | |
| 413 int status = 0; | |
| 414 | |
| 415 memset(&hints, 0 , sizeof(struct addrinfo)); | |
| 416 hints.ai_family = af; | |
| 417 hints.ai_socktype = SOCK_STREAM; | |
| 418 | |
| 419 if((status = getaddrinfo(host, NULL, &hints, &result)) != 0) { | |
| 420 perror_exit("bad address '%s' : %s", host, gai_strerror(status)); | |
| 421 return status; | |
| 422 } | |
| 423 | |
| 424 for(rp = result; rp != NULL; rp = rp->ai_next) { | |
| 425 if( (rp->ai_family == AF_INET) || (rp->ai_family == AF_INET6)) { | |
| 426 *swl = xmalloc(sizeof(struct sockaddr_with_len)); | |
| 427 (*swl)->socklen = rp->ai_addrlen; | |
| 428 memcpy(&((*swl)->sock_u.sock), rp->ai_addr, rp->ai_addrlen); | |
| 429 break; | |
| 430 } | |
| 431 } | |
| 432 freeaddrinfo(result); | |
| 433 return ((!rp)? -1: status); | |
| 434 } | |
| 435 | |
| 436 /* | |
| 437 * use to get the socket address with the given host ip. | |
| 438 */ | |
| 439 sockaddr_with_len *get_sockaddr(const char *host, int port, sa_family_t af) | |
| 440 { | |
| 441 sockaddr_with_len *swl = NULL; | |
| 442 int status = 0; | |
| 443 | |
| 444 //for unix | |
| 445 int is_unix = is_host_unix(host, &swl); | |
| 446 if(is_unix && swl) return swl; | |
| 447 | |
| 448 //[IPV6_ip]:port_num | |
| 449 if(host[0] == '[' || strrchr(host, ':')) get_host_and_port((char **)&host, &port); | |
| 450 | |
| 451 //for the socket streams. | |
| 452 status = get_socket_stream(host, af, &swl); | |
| 453 if(status) return NULL; | |
| 454 | |
| 455 setport(&swl->sock_u.sock, htons(port)); | |
| 456 return swl; | |
| 457 } | |
| 458 | |
| 459 /* | |
| 460 * get the numeric hostname and service name, for a given socket address. | |
| 461 */ | |
| 462 char *address_to_name(const struct sockaddr *sock) | |
| 463 { | |
| 464 //man page of getnameinfo. | |
| 465 char hbuf[NI_MAXHOST] = {0,}, sbuf[NI_MAXSERV] = {0,}; | |
| 466 int status = 0; | |
| 467 if(sock->sa_family == AF_INET) { | |
| 468 socklen_t len = sizeof(struct sockaddr_in); | |
| 469 if((status = getnameinfo(sock, len, hbuf, sizeof(hbuf), sbuf, sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) == 0) | |
| 470 return xmsprintf("%s:%s", hbuf, sbuf); | |
| 471 else { | |
| 472 fprintf(stderr, "getnameinfo: %s\n", gai_strerror(status)); | |
| 473 return NULL; | |
| 474 } | |
| 475 } | |
| 476 else if(sock->sa_family == AF_INET6) { | |
| 477 socklen_t len = sizeof(struct sockaddr_in6); | |
| 478 if((status = getnameinfo(sock, len, hbuf, sizeof(hbuf), sbuf, sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) == 0) { | |
| 479 //verification for resolved hostname. | |
| 480 if(strchr(hbuf, ':')) return xmsprintf("[%s]:%s", hbuf, sbuf); | |
| 481 else return xmsprintf("%s:%s", hbuf, sbuf); | |
| 482 } | |
| 483 else { | |
| 484 fprintf(stderr, "getnameinfo: %s\n", gai_strerror(status)); | |
| 485 return NULL; | |
| 486 } | |
| 487 } | |
| 488 else if(sock->sa_family == AF_UNIX) { | |
| 489 struct sockaddr_un *sockun = (void*)sock; | |
| 490 return xmsprintf("local:%.*s", (int) sizeof(sockun->sun_path), sockun->sun_path); | |
| 491 } | |
| 492 else | |
| 493 return NULL; | |
| 494 } | |
| 495 | |
| 496 /* | |
| 497 * used to set the port number for ipv4 / ipv6 addresses. | |
| 498 */ | |
| 499 void setport(struct sockaddr *sock, unsigned port_num) | |
| 500 { | |
| 501 //for ipv4 | |
| 502 if(sock->sa_family == AF_INET) { | |
| 503 struct sockaddr_in *sock_in = (void*)sock; | |
| 504 sock_in->sin_port = port_num; | |
| 505 } | |
| 506 //for ipv6 | |
| 507 else if(sock->sa_family == AF_INET6) { | |
| 508 struct sockaddr_in6 *sock_in6 = (void*)sock; | |
| 509 sock_in6->sin6_port = port_num; | |
| 510 } | |
| 511 return; | |
| 512 } | |
| 513 | |
| 514 /* | |
| 515 * used to converts string into int and validate the input str for invalid int value or out-of-range. | |
| 516 */ | |
| 517 unsigned get_strtou(const char *str, char **endp, int base) | |
| 518 { | |
| 519 unsigned long uli; | |
| 520 char *endptr; | |
| 521 | |
| 522 if(!isalnum(str[0])) { | |
| 523 errno = ERANGE; | |
| 524 return UINT_MAX; | |
| 525 } | |
| 526 errno = 0; | |
| 527 uli = strtoul(str, &endptr, base); | |
| 528 if(uli > UINT_MAX) { | |
| 529 errno = ERANGE; | |
| 530 return UINT_MAX; | |
| 531 } | |
| 532 | |
| 533 if(endp) *endp = endptr; | |
| 534 if(endptr[0]) { | |
| 535 if(isalnum(endptr[0]) || errno) { //"123abc" or out-of-range | |
| 536 errno = ERANGE; | |
| 537 return UINT_MAX; | |
| 538 } | |
| 539 errno = EINVAL; | |
| 540 } | |
| 541 return uli; | |
| 542 } | |
| 543 | |
| 544 | |
| 545 IFACE_LIST *iface_list_head; | |
| 546 | |
| 547 /* | |
| 548 * display help info and exit from application. | |
| 549 */ | |
| 550 static void show_help(void) | |
| 551 { | |
| 552 char **arg = xzalloc(sizeof(char*) *3); | |
| 553 arg[0] = "help"; | |
| 554 arg[1] = xstrdup(toys.which->name); | |
| 555 toy_exec(arg); | |
| 556 } | |
| 557 | |
| 558 void ifconfig_main(void) | |
| 559 { | |
| 560 char **argv = toys.optargs; | |
| 561 | |
| 562 if(argv[0] && (strcmp(argv[0], "--help") == 0)) | |
| 563 show_help(); | |
| 564 | |
| 565 //"ifconfig" / "ifconfig eth0" | |
| 566 if(!argv[0] || !argv[1]) { //one or no argument | |
| 567 toys.exitval = show_iface(argv[0]); | |
| 568 //free allocated memory. | |
| 569 clear_list(); | |
| 570 return; | |
| 571 } | |
| 572 | |
| 573 //set ifconfig params. | |
| 574 { | |
| 575 struct ifreq ifre; | |
| 576 int sockfd = 0; | |
| 577 //get interface name | |
| 578 memset(&ifre, 0, sizeof(struct ifreq)); | |
| 579 strncpy(ifre.ifr_name, *argv, IFNAMSIZ); | |
| 580 ifre.ifr_name[IFNAMSIZ-1] = 0; | |
| 581 if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) | |
| 582 perror_exit("cannot open control socket\n", 1); | |
| 583 | |
| 584 while(*++argv != NULL) { | |
| 585 /* flags settings */ | |
| 586 if(strcmp(argv[0], "up") == 0) | |
| 587 set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0); | |
| 588 else if(strcmp(argv[0], "down") == 0) | |
| 589 set_flags(sockfd, &ifre, 0, IFF_UP); | |
| 590 | |
| 591 else if(strcmp(argv[0], "arp") == 0) | |
| 592 set_flags(sockfd, &ifre, 0, IFF_NOARP); | |
| 593 else if(strcmp(argv[0], "-arp") == 0) | |
| 594 set_flags(sockfd, &ifre, IFF_NOARP, 0); | |
| 595 else if(strcmp(argv[0], "trailers") == 0) | |
| 596 set_flags(sockfd, &ifre, 0, IFF_NOTRAILERS); | |
| 597 else if(strcmp(argv[0], "-trailers") == 0) | |
| 598 set_flags(sockfd, &ifre, IFF_NOTRAILERS, 0); | |
| 599 | |
| 600 else if(strcmp(argv[0], "promisc") == 0) | |
| 601 set_flags(sockfd, &ifre, IFF_PROMISC, 0); | |
| 602 else if(strcmp(argv[0], "-promisc") == 0) | |
| 603 set_flags(sockfd, &ifre, 0, IFF_PROMISC); | |
| 604 else if(strcmp(argv[0], "allmulti") == 0) | |
| 605 set_flags(sockfd, &ifre, IFF_ALLMULTI, 0); | |
| 606 else if(strcmp(argv[0], "-allmulti") == 0) | |
| 607 set_flags(sockfd, &ifre, 0, IFF_ALLMULTI); | |
| 608 else if(strcmp(argv[0], "multicast") == 0) | |
| 609 set_flags(sockfd, &ifre, IFF_MULTICAST, 0); | |
| 610 else if(strcmp(argv[0], "-multicast") == 0) | |
| 611 set_flags(sockfd, &ifre, 0, IFF_MULTICAST); | |
| 612 else if(strcmp(argv[0], "dynamic") == 0) | |
| 613 set_flags(sockfd, &ifre, IFF_DYNAMIC, 0); | |
| 614 else if(strcmp(argv[0], "-dynamic") == 0) | |
| 615 set_flags(sockfd, &ifre, 0, IFF_DYNAMIC); | |
| 616 else if(strcmp(argv[0], "-pointopoint") == 0) | |
| 617 set_flags(sockfd, &ifre, 0, IFF_POINTOPOINT); | |
| 618 /*value setup */ | |
| 619 else if(strcmp(argv[0], "pointopoint") == 0) { | |
| 620 if(*++argv == NULL) { | |
| 621 errno = EINVAL; | |
| 622 show_help(); | |
| 623 } | |
| 624 set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR"); | |
| 625 set_flags(sockfd, &ifre, IFF_POINTOPOINT, 0); | |
| 626 } | |
| 627 else if(strcmp(argv[0], "netmask") == 0) { | |
| 628 if(*++argv == NULL) { | |
| 629 errno = EINVAL; | |
| 630 show_help(); | |
| 631 } | |
| 632 set_address(sockfd, *argv, &ifre, SIOCSIFNETMASK, "SIOCSIFNETMASK"); | |
| 633 } | |
| 634 else if(strcmp(argv[0], "-broadcast") == 0) { | |
| 635 set_flags(sockfd, &ifre, 0, IFF_BROADCAST); | |
| 636 } | |
| 637 else if(strcmp(argv[0], "broadcast") == 0) { | |
| 638 if(*++argv == NULL) { | |
| 639 errno = EINVAL; | |
| 640 show_help(); | |
| 641 } | |
| 642 set_address(sockfd, *argv, &ifre, SIOCSIFBRDADDR, "SIOCSIFBRDADDR"); | |
| 643 set_flags(sockfd, &ifre, IFF_BROADCAST, 0); | |
| 644 } | |
| 645 else if(strcmp(argv[0], "dstaddr") == 0) { | |
| 646 if(*++argv == NULL) { | |
| 647 errno = EINVAL; | |
| 648 show_help(); | |
| 649 } | |
| 650 set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR"); | |
| 651 } | |
| 652 else if(strcmp(argv[0], "hw") == 0) { | |
| 653 if(*++argv == NULL) { | |
| 654 errno = EINVAL; | |
| 655 show_help(); | |
| 656 } | |
| 657 set_hw_address(sockfd, &argv, &ifre, SIOCSIFHWADDR, "SIOCSIFHWADDR"); | |
| 658 } | |
| 659 else if(strcmp(argv[0], "mtu") == 0) { | |
| 660 if(*++argv == NULL) { | |
| 661 errno = EINVAL; | |
| 662 show_help(); | |
| 663 } | |
| 664 set_mtu(sockfd, &ifre, argv[0]); | |
| 665 }//end of mtu | |
| 666 else if(strcmp(argv[0], "metric") == 0) { | |
| 667 if(*++argv == NULL) { | |
| 668 errno = EINVAL; | |
| 669 show_help(); | |
| 670 } | |
| 671 set_metric(sockfd, &ifre, argv[0]); | |
| 672 }//end of metric | |
| 673 else if(strcmp(argv[0], "txqueuelen") == 0) { | |
| 674 if(*++argv == NULL) { | |
| 675 errno = EINVAL; | |
| 676 show_help(); | |
| 677 } | |
| 678 set_qlen(sockfd, &ifre, argv[0]); | |
| 679 }//end of txqueuelen | |
| 680 else if(strcmp(argv[0], "keepalive") == 0) { | |
| 681 if(*++argv == NULL) { | |
| 682 errno = EINVAL; | |
| 683 show_help(); | |
| 684 } | |
| 685 set_data(sockfd, &ifre, argv[0], SIOCSKEEPALIVE, "SIOCSKEEPALIVE"); | |
| 686 }//end of keepalive | |
| 687 else if(strcmp(argv[0], "outfill") == 0) { | |
| 688 if(*++argv == NULL) { | |
| 689 errno = EINVAL; | |
| 690 show_help(); | |
| 691 } | |
| 692 set_data(sockfd, &ifre, argv[0], SIOCSOUTFILL, "SIOCSOUTFILL"); | |
| 693 }//end of outfill | |
| 694 else if(strcmp(argv[0], "add") == 0) { | |
| 695 if(*++argv == NULL) { | |
| 696 errno = EINVAL; | |
| 697 show_help(); | |
| 698 } | |
| 699 set_ipv6_addr(sockfd, &ifre, argv[0], SIOCSIFADDR, "SIOCSIFADDR"); | |
| 700 }//end of add ipv6 addr | |
| 701 else if(strcmp(argv[0], "del") == 0) { | |
| 702 if(*++argv == NULL) { | |
| 703 errno = EINVAL; | |
| 704 show_help(); | |
| 705 } | |
| 706 set_ipv6_addr(sockfd, &ifre, argv[0], SIOCDIFADDR, "SIOCDIFADDR"); | |
| 707 }//end of del ipv6 addr | |
| 708 else if(strcmp(argv[0], "mem_start") == 0) { | |
| 709 if(*++argv == NULL) { | |
| 710 errno = EINVAL; | |
| 711 show_help(); | |
| 712 } | |
| 713 set_memstart(sockfd, &ifre, argv[0], SIOCSIFMAP, "SIOCSIFMAP"); | |
| 714 }//end of mem_start | |
| 715 else if(strcmp(argv[0], "io_addr") == 0) { | |
| 716 if(*++argv == NULL) { | |
| 717 errno = EINVAL; | |
| 718 show_help(); | |
| 719 } | |
| 720 set_ioaddr(sockfd, &ifre, argv[0], SIOCSIFMAP, "SIOCSIFMAP"); | |
| 721 }//end of io_addr | |
| 722 else if(strcmp(argv[0], "irq") == 0) { | |
| 723 if(*++argv == NULL) { | |
| 724 errno = EINVAL; | |
| 725 show_help(); | |
| 726 } | |
| 727 set_irq(sockfd, &ifre, argv[0], SIOCSIFMAP, "SIOCSIFMAP"); | |
| 728 }//end of irq | |
| 729 else { | |
| 730 if(isdigit(argv[0][0]) || (strcmp(argv[0], "default") == 0)) { | |
| 731 char *iface_name = ifre.ifr_name; | |
| 732 short int is_colon = 0; | |
| 733 set_address(sockfd, *argv, &ifre, SIOCSIFADDR, "SIOCSIFADDR"); | |
| 734 while(*iface_name) { | |
| 735 if(*iface_name == ':') { | |
| 736 is_colon = 1; | |
| 737 break; | |
| 738 } | |
| 739 iface_name++; | |
| 740 } | |
| 741 //if the interface name is not an alias; set the flag and continue. | |
| 742 if(!is_colon) | |
| 743 set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0); | |
| 744 } | |
| 745 else if((strcmp(argv[0], "inet") == 0) || (strcmp(argv[0], "inet6") == 0)) | |
| 746 continue; | |
| 747 else { | |
| 748 errno = EINVAL; | |
| 749 show_help(); | |
| 750 } | |
| 751 }//set ip for an interface. | |
| 752 | |
| 753 }//end of while. | |
| 754 if(sockfd > 0) | |
| 755 close(sockfd); | |
| 756 } | |
| 757 return; | |
| 758 }//End of main function. | |
| 759 | |
| 760 | |
| 761 static void set_flags(int sockfd, struct ifreq *ifre, int set_flag, int reset_flag) | |
| 762 { | |
| 763 if(ioctl(sockfd, SIOCGIFFLAGS, ifre) < 0) | |
| 764 perror_exit("SIOCGIFFLAGS"); | |
| 765 ifre->ifr_flags = (ifre->ifr_flags & (~reset_flag)) | set_flag; | |
| 766 if(ioctl(sockfd, SIOCSIFFLAGS, ifre) < 0) | |
| 767 perror_exit("SIOCSIFFLAGS"); | |
| 768 return; | |
| 769 } | |
| 770 | |
| 771 static void set_data(int sockfd, struct ifreq *ifre, char *kval, int request, const char *req_name) | |
| 772 { | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
773 unsigned long val = strtoul(kval, NULL, 0); |
| 841 | 774 char *ptr; |
| 775 ptr = ((char *) ifre) + offsetof(struct ifreq, ifr_data); | |
| 776 (*(__caddr_t *)ptr) = (__caddr_t)val; | |
| 777 | |
| 778 if(ioctl(sockfd, request, ifre) < 0) { | |
| 779 perror_exit((char *)req_name); | |
| 780 } | |
| 781 return; | |
| 782 } | |
| 783 static void set_mtu(int sockfd, struct ifreq *ifre, const char *mtu) | |
| 784 { | |
| 785 ifre->ifr_mtu = strtoul(mtu, NULL, 0); | |
| 786 if(ioctl(sockfd, SIOCSIFMTU, ifre) < 0) | |
| 787 perror_exit("SIOCSIFMTU"); | |
| 788 return; | |
| 789 } | |
| 790 | |
| 791 static void set_metric(int sockfd, struct ifreq *ifre, const char *metric) | |
| 792 { | |
| 793 ifre->ifr_metric = strtoul(metric, NULL, 0); | |
| 794 if(ioctl(sockfd, SIOCSIFMETRIC, ifre) < 0) | |
| 795 perror_exit("SIOCSIFMETRIC"); | |
| 796 return; | |
| 797 } | |
| 798 | |
| 799 static void set_qlen(int sockfd, struct ifreq *ifre, const char *qlen) | |
| 800 { | |
| 801 ifre->ifr_qlen = strtoul(qlen, NULL, 0); | |
| 802 if(ioctl(sockfd, SIOCSIFTXQLEN, ifre) < 0) | |
| 803 perror_exit("SIOCSIFTXQLEN"); | |
| 804 return; | |
| 805 } | |
| 806 | |
| 807 static void set_ipv6_addr(int sockfd, struct ifreq *ifre, const char *ipv6_addr, int request, const char *req_name) | |
| 808 { | |
| 809 char *prefix; | |
| 810 int plen = 0; | |
| 811 sockaddr_with_len *swl = NULL; | |
| 812 | |
| 813 prefix = strchr(ipv6_addr, '/'); | |
| 814 if(prefix) { | |
| 815 plen = get_int_value(prefix + 1, 0, 128); | |
| 816 *prefix = '\0'; | |
| 817 } | |
| 818 swl = get_sockaddr(ipv6_addr, 0, AF_INET6); | |
| 819 if(!swl) error_exit("error in resolving host name"); | |
| 820 int sockfd6; | |
| 821 struct ifreq_inet6 ifre6; | |
| 822 memcpy((char *) &ifre6.ifrinte6_addr, | |
| 823 (char *) &(swl->sock_u.sock_in6.sin6_addr), | |
| 824 sizeof(struct in6_addr)); | |
| 825 //Create a channel to the NET kernel. | |
| 826 if( (sockfd6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) | |
| 827 perror_exit("AF_INET6 SOCK_DGRAM", 0); | |
| 828 if(ioctl(sockfd6, SIOGIFINDEX, ifre) < 0) | |
| 829 perror_exit("SIOGIFINDEX"); | |
| 830 ifre6.ifrinet6_ifindex = ifre->ifr_ifindex; | |
| 831 ifre6.ifrinet6_prefixlen = plen; | |
| 832 | |
| 833 if(ioctl(sockfd6, request, &ifre6) < 0) | |
| 834 perror_exit((char *)req_name); | |
| 835 if(swl != NULL) { | |
| 836 free(swl); | |
| 837 swl = NULL; | |
| 838 } | |
| 839 return; | |
| 840 } | |
| 841 | |
| 842 static void set_address(int sockfd, const char *host_name, struct ifreq *ifre, int request, const char *req_name) | |
| 843 { | |
| 844 struct sockaddr_in sock_in; | |
| 845 sockaddr_with_len *swl = NULL; | |
| 846 sock_in.sin_family = AF_INET; | |
| 847 sock_in.sin_port = 0; | |
| 848 | |
| 849 //Default 0.0.0.0 | |
| 850 if(strcmp(host_name, "default") == 0) | |
| 851 sock_in.sin_addr.s_addr = INADDR_ANY; | |
| 852 else { | |
| 853 swl = get_sockaddr(host_name, 0, AF_INET); | |
| 854 if(!swl) error_exit("error in resolving host name"); | |
| 855 | |
| 856 sock_in.sin_addr = swl->sock_u.sock_in.sin_addr; | |
| 857 } | |
| 858 memcpy((char *)&ifre->ifr_addr, (char *) &sock_in, sizeof(struct sockaddr)); | |
| 859 if(ioctl(sockfd, request, ifre) < 0) | |
| 860 perror_exit((char *)req_name); | |
| 861 | |
| 862 if(swl != NULL) { | |
| 863 free(swl); | |
| 864 swl = NULL; | |
| 865 } | |
| 866 return; | |
| 867 } | |
| 868 | |
| 869 static int hex_to_binary(const char *hw_addr, struct sockaddr *sock, int count) | |
| 870 { | |
| 871 int i = 0, j = 0; | |
| 872 unsigned char nib_val; | |
| 873 unsigned char ch; | |
| 874 | |
| 875 char *ptr = (char *) sock->sa_data; | |
| 876 if(count == ETH_ALEN) | |
| 877 sock->sa_family = ARPHRD_ETHER; | |
| 878 else if(count == INFINIBAND_ALEN) | |
| 879 sock->sa_family = ARPHRD_INFINIBAND; | |
| 880 else | |
| 881 return -1; | |
| 882 //e.g. hw_addr "62:2D:A6:9E:2D:BE" | |
| 883 for(; *hw_addr && (i < count); i++) { | |
| 884 if(*hw_addr == ':') | |
| 885 hw_addr++; | |
| 886 j = nib_val = 0; | |
| 887 for(;j < 2; j++) { | |
| 888 ch = *hw_addr; | |
| 889 //0-9 = 10 chars. | |
| 890 if(((unsigned char)(ch - '0')) < 10) | |
| 891 ch = (ch - '0'); | |
| 892 //a-f = 6 chars. | |
| 893 else if(((unsigned char)((ch) - 'a')) < 6) | |
| 894 ch = (ch - ('a'-10)); | |
| 895 //A-F = 6 chars. | |
| 896 else if(((unsigned char)((ch) - 'A')) < 6) | |
| 897 ch = (ch - ('A'-10)); | |
| 898 else if(j && (ch == ':' || ch == 0)) | |
| 899 break; | |
| 900 else | |
| 901 return -1; | |
| 902 hw_addr++; | |
| 903 nib_val <<= 4; | |
| 904 nib_val += ch; | |
| 905 } | |
| 906 *ptr++ = nib_val; | |
| 907 } | |
| 908 if(*hw_addr) | |
| 909 return -1; | |
| 910 return 0; | |
| 911 } | |
| 912 | |
| 913 static void set_hw_address(int sockfd, char ***argv, struct ifreq *ifre, int request, const char *req_name) | |
| 914 { | |
| 915 int hw_class = 0; | |
| 916 char *hw_addr; | |
| 917 struct sockaddr sock; | |
| 918 char *ptr; | |
| 919 char *hw_class_strings[] = { | |
| 920 "ether", | |
| 921 "infiniband", | |
| 922 NULL | |
| 923 }; | |
| 924 | |
| 925 if(strcmp(hw_class_strings[0], **argv) == 0) | |
| 926 hw_class = 1; | |
| 927 else if(strcmp(hw_class_strings[1], **argv) == 0) | |
| 928 hw_class = 2; | |
| 929 if(!hw_class || !(*argv += 1)) | |
| 930 show_help(); | |
| 931 | |
| 932 memset(&sock, 0, sizeof(struct sockaddr)); | |
| 933 hw_addr = **argv; | |
| 934 if(hw_class == 1) { | |
| 935 if(hex_to_binary(hw_addr, &sock, ETH_ALEN)) | |
| 936 error_exit("invalid hw-addr %s", hw_addr); | |
| 937 } | |
| 938 else { | |
| 939 if(hex_to_binary(hw_addr, &sock, INFINIBAND_ALEN)) | |
| 940 error_exit("invalid hw-addr %s", hw_addr); | |
| 941 } | |
| 942 ptr = (char *)&sock; | |
| 943 memcpy( ((char *) ifre) + offsetof(struct ifreq, ifr_hwaddr), ptr, sizeof(struct sockaddr)); | |
| 944 if(ioctl(sockfd, request, ifre) < 0) | |
| 945 perror_exit((char *)req_name); | |
| 946 return; | |
| 947 } | |
| 948 | |
| 949 static void set_memstart(int sockfd, struct ifreq *ifre, const char *start_addr, int request, const char *req_name) | |
| 950 { | |
| 951 unsigned long mem_start = strtoul(start_addr, NULL, 0); | |
| 952 | |
| 953 if(ioctl(sockfd, SIOCGIFMAP, ifre) < 0) | |
| 954 perror_exit("SIOCGIFMAP"); | |
| 955 ifre->ifr_map.mem_start = mem_start; | |
| 956 if(ioctl(sockfd, request, ifre) < 0) | |
| 957 perror_exit((char *)req_name); | |
| 958 return; | |
| 959 } | |
| 960 | |
| 961 static void set_ioaddr(int sockfd, struct ifreq *ifre, const char *baddr, int request, const char *req_name) | |
| 962 { | |
| 963 unsigned short int base_addr = strtoul(baddr, NULL, 0); | |
| 964 if(ioctl(sockfd, SIOCGIFMAP, ifre) < 0) | |
| 965 perror_exit("SIOCGIFMAP"); | |
| 966 ifre->ifr_map.base_addr = base_addr; | |
| 967 if(ioctl(sockfd, request, ifre) < 0) | |
| 968 perror_exit((char *)req_name); | |
| 969 return; | |
| 970 } | |
| 971 | |
| 972 static void set_irq(int sockfd, struct ifreq *ifre, const char *irq_val, int request, const char *req_name) | |
| 973 { | |
| 974 unsigned short int irq = strtoul(irq_val, NULL, 0); | |
| 975 char *ptr; | |
| 976 struct ifmap *map; | |
| 977 | |
| 978 if(ioctl(sockfd, SIOCGIFMAP, ifre) < 0) | |
| 979 perror_exit("SIOCGIFMAP"); | |
| 980 | |
| 981 ptr = ((char *) ifre) + offsetof(struct ifreq, ifr_map); | |
| 982 map = (struct ifmap *)ptr; | |
| 983 map->irq = irq; | |
| 984 if(ioctl(sockfd, request, ifre) < 0) | |
| 985 perror_exit((char *)req_name); | |
| 986 return; | |
| 987 } | |
| 988 | |
| 989 /* Display ifconfig info. */ | |
| 990 static void get_proc_info(char *buff, IFACE_LIST *l_ptr, int version) | |
| 991 { | |
| 992 char *name; | |
| 993 memset(&l_ptr->dev_info, 0, sizeof(PROC_NET_DEV_INFO)); | |
| 994 | |
| 995 buff = omit_whitespace(buff); | |
| 996 name = strsep(&buff, ":"); | |
| 997 if(!buff) | |
| 998 error_exit("error in getting the device name:"); | |
| 999 | |
| 1000 if(strlen(name) < (IFNAMSIZ)) { | |
| 1001 strncpy(l_ptr->dev_info.ifrname, name, IFNAMSIZ-1); | |
| 1002 l_ptr->dev_info.ifrname[IFNAMSIZ-1] = '\0'; | |
| 1003 } | |
| 1004 else { | |
| 1005 l_ptr->dev_info.ifrname[0] = '\0'; | |
| 1006 } | |
| 1007 | |
| 1008 sscanf(buff, field_format[version], | |
| 1009 &l_ptr->dev_info.receive_bytes, | |
| 1010 &l_ptr->dev_info.receive_packets, | |
| 1011 &l_ptr->dev_info.receive_errors, | |
| 1012 &l_ptr->dev_info.receive_drop, | |
| 1013 &l_ptr->dev_info.receive_fifo, | |
| 1014 &l_ptr->dev_info.receive_frame, | |
| 1015 &l_ptr->dev_info.receive_compressed, | |
| 1016 &l_ptr->dev_info.receive_multicast, | |
| 1017 &l_ptr->dev_info.transmit_bytes, | |
| 1018 &l_ptr->dev_info.transmit_packets, | |
| 1019 &l_ptr->dev_info.transmit_errors, | |
| 1020 &l_ptr->dev_info.transmit_drop, | |
| 1021 &l_ptr->dev_info.transmit_fifo, | |
| 1022 &l_ptr->dev_info.transmit_colls, | |
| 1023 &l_ptr->dev_info.transmit_carrier, | |
| 1024 &l_ptr->dev_info.transmit_compressed | |
| 1025 ); | |
| 1026 | |
| 1027 if(version == 0) | |
| 1028 l_ptr->dev_info.receive_bytes = l_ptr->dev_info.transmit_bytes = 0; | |
| 1029 if(version == 1) | |
| 1030 l_ptr->dev_info.receive_multicast = l_ptr->dev_info.receive_compressed = l_ptr->dev_info.transmit_compressed = 0; | |
| 1031 return; | |
| 1032 } | |
| 1033 | |
| 1034 static void add_iface_to_list(IFACE_LIST *newnode) | |
| 1035 { | |
| 1036 IFACE_LIST *head_ref = iface_list_head; | |
| 1037 | |
| 1038 if((head_ref == NULL) || strcmp(newnode->dev_info.ifrname, head_ref->dev_info.ifrname) < 0) { | |
| 1039 newnode->next = head_ref; | |
| 1040 head_ref = newnode; | |
| 1041 } | |
| 1042 else { | |
| 1043 IFACE_LIST *current = head_ref; | |
| 1044 while(current->next != NULL && (strcmp(current->next->dev_info.ifrname, newnode->dev_info.ifrname)) < 0) | |
| 1045 current = current->next; | |
| 1046 newnode->next = current->next; | |
| 1047 current->next = newnode; | |
| 1048 } | |
| 1049 iface_list_head = head_ref; | |
| 1050 return; | |
| 1051 } | |
| 1052 | |
| 1053 static int get_device_info(IFACE_LIST *l_ptr) | |
| 1054 { | |
| 1055 struct ifreq ifre; | |
| 1056 char *ifrname = l_ptr->dev_info.ifrname; | |
| 1057 int sokfd; | |
| 1058 | |
| 1059 sokfd = socket(AF_INET, SOCK_DGRAM, 0); | |
| 1060 if(sokfd < 0) | |
| 1061 return sokfd; | |
| 1062 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1063 if(ioctl(sokfd, SIOCGIFFLAGS, &ifre) < 0) { | |
| 1064 close(sokfd); | |
| 1065 return NO_RANGE; | |
| 1066 } | |
| 1067 l_ptr->ifrflags = ifre.ifr_flags; | |
| 1068 | |
| 1069 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1070 if(ioctl(sokfd, SIOCGIFHWADDR, &ifre) >= 0) | |
| 1071 memcpy(l_ptr->ifrhwaddr.sa_data, ifre.ifr_hwaddr.sa_data, sizeof(l_ptr->ifrhwaddr.sa_data)); | |
| 1072 | |
| 1073 l_ptr->hw_type = ifre.ifr_hwaddr.sa_family; | |
| 1074 | |
| 1075 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1076 if(ioctl(sokfd, SIOCGIFMETRIC, &ifre) >= 0) | |
| 1077 l_ptr->ifrmetric = ifre.ifr_metric; | |
| 1078 | |
| 1079 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1080 if(ioctl(sokfd, SIOCGIFMTU, &ifre) >= 0) | |
| 1081 l_ptr->ifrmtu = ifre.ifr_mtu; | |
| 1082 | |
| 1083 #ifdef SIOCGIFMAP | |
| 1084 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1085 if(ioctl(sokfd, SIOCGIFMAP, &ifre) == 0) | |
| 1086 l_ptr->ifrmap = ifre.ifr_map; | |
| 1087 #endif | |
| 1088 | |
| 1089 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1090 l_ptr->txqueuelen = NO_RANGE; | |
| 1091 if(ioctl(sokfd, SIOCGIFTXQLEN, &ifre) >= 0) | |
| 1092 l_ptr->txqueuelen = ifre.ifr_qlen; | |
| 1093 | |
| 1094 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1095 ifre.ifr_addr.sa_family = AF_INET; | |
| 1096 | |
| 1097 if(ioctl(sokfd, SIOCGIFADDR, &ifre) == 0) { | |
| 1098 l_ptr->ifaddr = 1; | |
| 1099 l_ptr->ifraddr = ifre.ifr_addr; | |
| 1100 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1101 if(ioctl(sokfd, SIOCGIFDSTADDR, &ifre) >= 0) | |
| 1102 l_ptr->ifrdstaddr = ifre.ifr_dstaddr; | |
| 1103 | |
| 1104 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1105 if(ioctl(sokfd, SIOCGIFBRDADDR, &ifre) >= 0) | |
| 1106 l_ptr->ifrbroadaddr = ifre.ifr_broadaddr; | |
| 1107 | |
| 1108 strncpy(ifre.ifr_name, ifrname, IFNAMSIZ); | |
| 1109 if(ioctl(sokfd, SIOCGIFNETMASK, &ifre) >= 0) | |
| 1110 l_ptr->ifrnetmask = ifre.ifr_netmask; | |
| 1111 } | |
| 1112 close(sokfd); | |
| 1113 return 0; | |
| 1114 } | |
| 1115 | |
| 1116 static void get_ifconfig_info(void) | |
| 1117 { | |
| 1118 IFACE_LIST *l_ptr; | |
| 1119 char buff[BUFSIZ] = {0,}; | |
| 1120 int version_num = 0; | |
| 1121 | |
| 1122 FILE *fp = fopen(PROC_NET_DEV, "r"); | |
| 1123 if(fp == NULL) | |
| 1124 return; | |
| 1125 | |
| 1126 fgets(buff, sizeof(buff), fp); //skip 1st header line. | |
| 1127 fgets(buff, sizeof(buff), fp); //skip 2nd header line. | |
| 1128 | |
| 1129 if(strstr(buff, "compressed")) | |
| 1130 version_num = 2; | |
| 1131 else if(strstr(buff, "bytes")) | |
| 1132 version_num = 1; | |
| 1133 else | |
| 1134 version_num = 0; | |
| 1135 | |
| 1136 while(fgets(buff, BUFSIZ, fp)) { | |
| 1137 l_ptr = xzalloc(sizeof(IFACE_LIST)); | |
| 1138 get_proc_info(buff, l_ptr, version_num); | |
| 1139 add_iface_to_list(l_ptr); | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1140 l_ptr->non_virtual_iface = 1; |
| 841 | 1141 errno = 0; |
| 1142 if(get_device_info(l_ptr) < 0) { | |
| 1143 const char *errstr = strerror(errno); | |
| 1144 fclose(fp); | |
| 1145 fp = NULL; | |
| 1146 clear_list(); | |
| 1147 perror_exit("%s: error getting interface info: %s", l_ptr->dev_info.ifrname, errstr); | |
| 1148 } | |
| 1149 }//end of while. | |
| 1150 fclose(fp); | |
| 1151 fp = NULL; | |
| 1152 return; | |
| 1153 } | |
| 1154 | |
| 1155 static void get_hw_info(int hw_type, HW_INFO *hw_info) | |
| 1156 { | |
| 1157 #define HW_UNSPEC -1 | |
| 1158 switch(hw_type) { | |
| 1159 case ARPHRD_LOOPBACK: //Loopback device. | |
| 1160 strncpy(hw_info->hw_name, "loop", HW_NAME_LEN); | |
| 1161 strncpy(hw_info->hw_title, "Local Loopback", HW_TITLE_LEN); | |
| 1162 hw_info->hw_addrlen = 0; | |
| 1163 break; | |
| 1164 case ARPHRD_ETHER: //Ethernet | |
| 1165 strncpy(hw_info->hw_name, "ether", HW_NAME_LEN); | |
| 1166 strncpy(hw_info->hw_title, "Ethernet", HW_TITLE_LEN); | |
| 1167 hw_info->hw_addrlen = ETH_ALEN; | |
| 1168 break; | |
| 1169 case ARPHRD_PPP: //ARPHRD_PPP | |
| 1170 strncpy(hw_info->hw_name, "ppp", HW_NAME_LEN); | |
| 1171 strncpy(hw_info->hw_title, "Point-to-Point Protocol", HW_TITLE_LEN); | |
| 1172 hw_info->hw_addrlen = 0; | |
| 1173 break; | |
| 1174 case ARPHRD_INFINIBAND: //InfiniBand | |
| 1175 strncpy(hw_info->hw_name, "infiniband", HW_NAME_LEN); | |
| 1176 strncpy(hw_info->hw_title, "InfiniBand", HW_TITLE_LEN); | |
| 1177 hw_info->hw_addrlen = 20; | |
| 1178 break; | |
| 1179 case ARPHRD_SIT: //sit0 device - IPv6-in-IPv4 | |
| 1180 strncpy(hw_info->hw_name, "sit", HW_NAME_LEN); | |
| 1181 strncpy(hw_info->hw_title, "IPv6-in-IPv4", HW_TITLE_LEN); | |
| 1182 hw_info->hw_addrlen = 0; | |
| 1183 break; | |
| 1184 case HW_UNSPEC: //UNSPEC | |
| 1185 strncpy(hw_info->hw_name, "unspec", HW_NAME_LEN); | |
| 1186 strncpy(hw_info->hw_title, "UNSPEC", HW_TITLE_LEN); | |
| 1187 hw_info->hw_addrlen = 0; | |
| 1188 break; | |
| 1189 default: | |
| 1190 break; | |
| 1191 } | |
| 1192 #undef HW_UNSPEC | |
| 1193 return; | |
| 1194 } | |
| 1195 | |
| 1196 static void print_hw_addr(int hw_type, HW_INFO hw_info, IFACE_LIST *l_ptr) | |
| 1197 { | |
| 1198 unsigned char *address = (unsigned char *) l_ptr->ifrhwaddr.sa_data; | |
| 1199 if(!address || (hw_info.hw_addrlen == 0)) | |
| 1200 return; | |
| 1201 xprintf("HWaddr "); | |
| 1202 if(hw_type == ARPHRD_ETHER) | |
| 1203 xprintf("%02X:%02X:%02X:%02X:%02X:%02X", address[0], address[1], address[2], | |
| 1204 address[3], address[4], address[5]); | |
| 1205 return; | |
| 1206 } | |
| 1207 | |
| 1208 static const char *get_ip_addr(struct sockaddr *skaddr) | |
| 1209 { | |
| 1210 static char *ip_str = NULL; | |
| 1211 struct sockaddr_in *sin; | |
| 1212 | |
| 1213 if(skaddr->sa_family == 0xFFFF || skaddr->sa_family == 0) | |
| 1214 return "[NOT SET]"; | |
| 1215 sin = (struct sockaddr_in *)skaddr; | |
| 1216 if(sin->sin_family != AF_INET) { | |
| 1217 errno = EAFNOSUPPORT; | |
| 1218 return NULL; | |
| 1219 } | |
| 1220 if( (ip_str = inet_ntoa(sin->sin_addr)) != NULL) | |
| 1221 return ip_str; | |
| 1222 | |
| 1223 return NULL; | |
| 1224 } | |
| 1225 | |
| 1226 static void print_ip_addr(IFACE_LIST *l_ptr) | |
| 1227 { | |
| 1228 const char *af_name; | |
| 1229 int af = l_ptr->ifraddr.sa_family; | |
| 1230 if(af == AF_INET) | |
| 1231 af_name = "inet"; | |
| 1232 else if(af == AF_INET6) | |
| 1233 af_name = "inet6"; | |
| 1234 else if(af == AF_UNSPEC) | |
| 1235 af_name = "unspec"; | |
| 1236 | |
| 1237 xprintf("%10s%s addr:%s ", " ", af_name, get_ip_addr(&l_ptr->ifraddr)); | |
| 1238 if(l_ptr->ifrflags & IFF_POINTOPOINT) | |
| 1239 xprintf(" P-t-P:%s ", get_ip_addr(&l_ptr->ifrdstaddr)); | |
| 1240 if(l_ptr->ifrflags & IFF_BROADCAST) | |
| 1241 xprintf(" Bcast:%s ", get_ip_addr(&l_ptr->ifrbroadaddr)); | |
| 1242 xprintf(" Mask:%s\n", get_ip_addr(&l_ptr->ifrnetmask)); | |
| 1243 return; | |
| 1244 } | |
| 1245 | |
| 1246 static void print_iface_flags(IFACE_LIST *l_ptr) | |
| 1247 { | |
| 1248 if(l_ptr->ifrflags != 0) { | |
| 1249 unsigned short mask = 1; | |
| 1250 char **str = iface_flags_str; | |
| 1251 for(; *str != NULL; str++) { | |
| 1252 if(l_ptr->ifrflags & mask) | |
| 1253 xprintf("%s ", *str); | |
| 1254 mask = mask << 1; | |
| 1255 } | |
| 1256 } | |
| 1257 else | |
| 1258 xprintf("[NO FLAGS] "); | |
| 1259 return; | |
| 1260 } | |
| 1261 | |
| 1262 static void print_media(IFACE_LIST *l_ptr) | |
| 1263 { | |
| 1264 #ifdef IFF_PORTSEL | |
| 1265 if(l_ptr->ifrflags & IFF_PORTSEL) { | |
| 1266 xprintf("Media:"); | |
| 1267 if(l_ptr->ifrmap.port == IF_PORT_UNKNOWN) | |
| 1268 xprintf("%s", "unknown"); | |
| 1269 else if(l_ptr->ifrmap.port == IF_PORT_10BASE2) | |
| 1270 xprintf("%s", "10base2"); | |
| 1271 else if(l_ptr->ifrmap.port == IF_PORT_10BASET) | |
| 1272 xprintf("%s", "10baseT"); | |
| 1273 else if(l_ptr->ifrmap.port == IF_PORT_AUI) | |
| 1274 xprintf("%s", "AUI"); | |
| 1275 else if(l_ptr->ifrmap.port == IF_PORT_100BASET) | |
| 1276 xprintf("%s", "100baseT"); | |
| 1277 else if(l_ptr->ifrmap.port == IF_PORT_100BASETX) | |
| 1278 xprintf("%s", "100baseTX"); | |
| 1279 else if(l_ptr->ifrmap.port == IF_PORT_100BASEFX) | |
| 1280 xprintf("%s", "100baseFX"); | |
| 1281 if(l_ptr->ifrflags & IFF_AUTOMEDIA) | |
| 1282 xprintf("(auto)"); | |
| 1283 } | |
| 1284 #endif | |
| 1285 return; | |
| 1286 } | |
| 1287 | |
| 1288 static void print_ip6_addr(IFACE_LIST *l_ptr) | |
| 1289 { | |
| 1290 char iface_name[IFNAMSIZ] = {0,}; | |
| 1291 char buf[BUFSIZ] = {0,}; | |
| 1292 int plen, scope; | |
| 1293 | |
| 1294 FILE *fp = fopen(PROC_NET_IFINET6, "r"); | |
| 1295 if(fp == NULL) | |
| 1296 return; | |
| 1297 | |
| 1298 while(fgets(buf, BUFSIZ, fp)) { | |
| 1299 int nitems = 0; | |
| 1300 char ipv6_addr[40] = {0,}; | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1301 nitems = sscanf(buf, "%32s %*08x %02x %02x %*02x %15s\n", |
| 841 | 1302 ipv6_addr+7, &plen, &scope, iface_name); |
| 1303 if(nitems != 4) { | |
| 1304 if((nitems < 0) && feof(fp)) | |
| 1305 break; | |
| 1306 perror_exit("sscanf"); | |
| 1307 } | |
| 1308 if(strcmp(l_ptr->dev_info.ifrname,iface_name) == 0) { | |
| 1309 int i = 0; | |
| 1310 struct sockaddr_in6 sock_in6; | |
| 1311 int len = sizeof(ipv6_addr) / (sizeof ipv6_addr[0]); | |
| 1312 char *ptr = ipv6_addr+7; | |
| 1313 while((i < len-2) && (*ptr)) { | |
| 1314 ipv6_addr[i++] = *ptr++; | |
| 1315 //put ':' after 4th bit | |
| 1316 if(!((i+1) % 5)) | |
| 1317 ipv6_addr[i++] = ':'; | |
| 1318 } | |
| 1319 ipv6_addr[i+1] = '\0'; | |
| 1320 if(inet_pton(AF_INET6, ipv6_addr, (struct sockaddr *) &sock_in6.sin6_addr) > 0) { | |
| 1321 sock_in6.sin6_family = AF_INET6; | |
| 1322 memset(buf, 0, (sizeof(buf) /sizeof(buf[0]))); | |
| 1323 if(inet_ntop(AF_INET6, &sock_in6.sin6_addr, buf, BUFSIZ) > 0) { | |
| 1324 xprintf("%10sinet6 addr: %s/%d", " ", buf, plen); | |
| 1325 xprintf(" Scope:"); | |
| 1326 if(scope == IPV6_ADDR_ANY) xprintf(" Global"); | |
| 1327 else if(scope == IPV6_ADDR_LOOPBACK) xprintf(" Host"); | |
| 1328 else if(scope == IPV6_ADDR_LINKLOCAL) xprintf(" Link"); | |
| 1329 else if(scope == IPV6_ADDR_SITELOCAL) xprintf(" Site"); | |
| 1330 else if(scope == IPV6_ADDR_COMPATv4) xprintf(" Compat"); | |
| 1331 else xprintf("Unknown"); | |
| 1332 xprintf("\n"); | |
| 1333 } | |
| 1334 } | |
| 1335 } | |
| 1336 }//end of while. | |
| 1337 fclose(fp); | |
| 1338 fp = NULL; | |
| 1339 return; | |
| 1340 } | |
| 1341 | |
| 1342 static void display_ifconfig(IFACE_LIST *l_ptr) | |
| 1343 { | |
| 1344 HW_INFO hw_info; | |
| 1345 int hw_type = l_ptr->hw_type; | |
| 1346 | |
| 1347 memset(&hw_info, 0, sizeof(HW_INFO)); | |
| 1348 | |
| 1349 get_hw_info(hw_type, &hw_info); | |
| 1350 xprintf("%-9s Link encap:%s ", l_ptr->dev_info.ifrname, hw_info.hw_title); | |
| 1351 print_hw_addr(hw_type, hw_info, l_ptr); | |
| 1352 | |
| 1353 print_media(l_ptr); | |
| 1354 | |
| 1355 xprintf("\n"); | |
| 1356 if(l_ptr->ifaddr) | |
| 1357 print_ip_addr(l_ptr); //print addr, p-p addr, broadcast addr and mask addr. | |
| 1358 | |
| 1359 //for ipv6 to do. | |
| 1360 print_ip6_addr(l_ptr); | |
| 1361 xprintf("%10s", " "); | |
| 1362 //print flags | |
| 1363 print_iface_flags(l_ptr); | |
| 1364 if(!l_ptr->ifrmetric) | |
| 1365 l_ptr->ifrmetric = 1; | |
| 1366 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
|
1367 xprintf("\n"); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1368 if(l_ptr->non_virtual_iface) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1369 xprintf("%10s", " "); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1370 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
|
1371 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
|
1372 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
|
1373 l_ptr->dev_info.receive_frame); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1374 //Dummy types for non ARP hardware. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1375 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
|
1376 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
|
1377 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
|
1378 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
|
1379 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
|
1380 l_ptr->dev_info.transmit_carrier); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1381 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
|
1382 //Dummy types for non ARP hardware. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1383 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
|
1384 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
|
1385 if(l_ptr->txqueuelen != NO_RANGE) |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1386 xprintf("txqueuelen:%d ", l_ptr->txqueuelen); |
| 841 | 1387 |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1388 xprintf("\n%10s", " "); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1389 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
|
1390 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
|
1391 } |
| 841 | 1392 if(l_ptr->ifrmap.irq || l_ptr->ifrmap.mem_start || l_ptr->ifrmap.dma || l_ptr->ifrmap.base_addr) { |
| 1393 xprintf("%10s", " "); | |
| 1394 if(l_ptr->ifrmap.irq) | |
| 1395 xprintf("Interrupt:%d ", l_ptr->ifrmap.irq); | |
| 1396 if(l_ptr->ifrmap.base_addr >= IO_MAP_INDEX) | |
| 1397 xprintf("Base address:0x%lx ", l_ptr->ifrmap.base_addr); | |
| 1398 if(l_ptr->ifrmap.mem_start) | |
| 1399 xprintf("Memory:%lx-%lx ", l_ptr->ifrmap.mem_start, l_ptr->ifrmap.mem_end); | |
| 1400 if(l_ptr->ifrmap.dma) | |
| 1401 xprintf("DMA chan:%x ", l_ptr->ifrmap.dma); | |
| 1402 xprintf("\n"); | |
| 1403 } | |
| 1404 xprintf("\n"); | |
| 1405 return; | |
| 1406 } | |
| 1407 | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1408 static int readconf(void) |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1409 { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1410 #define NUM_OF_REQUESTS 30 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1411 int num_of_req = NUM_OF_REQUESTS; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1412 struct ifconf ifcon; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1413 struct ifreq *ifre; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1414 int num, status = -1, sokfd; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1415 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1416 ifcon.ifc_buf = NULL; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1417 sokfd = socket(AF_INET, SOCK_DGRAM, 0); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1418 if(sokfd < 0) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1419 perror_msg("error: no inet socket available"); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1420 return -1; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1421 } |
|
843
1b36ac92e2cc
Drive-by cleanup on ifconfig.
Rob Landley <rob@landley.net>
parents:
842
diff
changeset
|
1422 for (;;) { |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1423 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
|
1424 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
|
1425 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1426 if((status = ioctl(sokfd, SIOCGIFCONF, &ifcon)) == -1) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1427 perror_msg("ioctl %#x failed", SIOCGIFCONF); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1428 goto LOOP_BREAK; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1429 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1430 //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
|
1431 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
|
1432 num_of_req += 10; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1433 continue; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1434 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1435 break; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1436 }//End of while loop |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1437 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1438 ifre = ifcon.ifc_req; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1439 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
|
1440 //Escape duplicate values from the list. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1441 IFACE_LIST *list_ptr; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1442 int match_found = 0; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1443 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
|
1444 //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
|
1445 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
|
1446 match_found = 1; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1447 break; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1448 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1449 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1450 if(!match_found) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1451 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
|
1452 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
|
1453 add_iface_to_list(l_ptr); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1454 errno = 0; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1455 if(get_device_info(l_ptr) < 0) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1456 clear_list(); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1457 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
|
1458 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1459 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1460 }//End of for loop. |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1461 |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1462 LOOP_BREAK: |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1463 close(sokfd); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1464 free(ifcon.ifc_buf); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1465 #undef NUM_OF_REQUESTS |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1466 return status; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1467 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1468 |
| 841 | 1469 static int show_iface(char *iface_name) |
| 1470 { | |
| 1471 get_ifconfig_info(); | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1472 |
| 841 | 1473 if(iface_name) { |
| 1474 IFACE_LIST *l_ptr; | |
| 1475 int is_dev_found = 0; | |
| 1476 for(l_ptr = iface_list_head; l_ptr; l_ptr = l_ptr->next) { | |
| 1477 if(strcmp(l_ptr->dev_info.ifrname, iface_name) == 0) { | |
| 1478 is_dev_found = 1; | |
| 1479 display_ifconfig(l_ptr); | |
| 1480 break; | |
| 1481 } | |
| 1482 } | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1483 //if the given interface is not in the list. |
| 841 | 1484 if(!is_dev_found) { |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1485 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
|
1486 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
|
1487 errno = 0; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1488 if(get_device_info(l_ptr) < 0) { |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1489 const char *errmsg; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1490 if(errno == ENODEV) errmsg = "Device not found"; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1491 else errmsg = strerror(errno); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1492 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
|
1493 free(l_ptr); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1494 return 1; |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1495 } |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1496 else display_ifconfig(l_ptr); |
|
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1497 free(l_ptr); |
| 841 | 1498 } |
| 1499 } | |
| 1500 else { | |
| 1501 IFACE_LIST *l_ptr; | |
|
842
af5aab6e6678
An ifconfig bugfix from the original submitter.
Rob Landley <rob@landley.net>
parents:
841
diff
changeset
|
1502 if(readconf() < 0) return 1; |
| 841 | 1503 for(l_ptr = iface_list_head; l_ptr; l_ptr = l_ptr->next) { |
| 1504 if((l_ptr->ifrflags & IFF_UP) || (toys.optflags & FLAG_a)) | |
| 1505 display_ifconfig(l_ptr); | |
| 1506 } | |
| 1507 } | |
| 1508 return 0; | |
| 1509 } | |
| 1510 | |
| 1511 static void clear_list(void) | |
| 1512 { | |
| 1513 IFACE_LIST *temp_ptr; | |
| 1514 while(iface_list_head != NULL) { | |
| 1515 temp_ptr = iface_list_head->next; | |
| 1516 free(iface_list_head); | |
| 1517 iface_list_head = temp_ptr; | |
| 1518 } | |
| 1519 return; | |
| 1520 } |