X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=networking%2Finterface.c;h=b09148b279a0be25f9f11b04cf75e1e8bf2656fb;hb=12ff9dc71465cdbb9be7418e293a6d43fdb60cda;hp=b1b935e7efdb9d096e48160ff6d0a63183f22c89;hpb=d0587ed9666d2d3aa65c42007ae93244cfc58568;p=oweals%2Fbusybox.git diff --git a/networking/interface.c b/networking/interface.c index b1b935e7e..b09148b27 100644 --- a/networking/interface.c +++ b/networking/interface.c @@ -34,7 +34,14 @@ #include #include #include "inet_common.h" -#include "busybox.h" +#include "libbb.h" + + +#if ENABLE_FEATURE_HWIB +/* #include */ +#undef INFINIBAND_ALEN +#define INFINIBAND_ALEN 20 +#endif #if ENABLE_FEATURE_IPV6 # define HAVE_AFINET6 1 @@ -82,17 +89,14 @@ struct in6_ifreq { #endif /* Display an Internet socket address. */ -static const char *INET_sprint(struct sockaddr *sap, int numeric) +static const char* FAST_FUNC INET_sprint(struct sockaddr *sap, int numeric) { - static char buff[128]; + static char *buff; /* defaults to NULL */ + free(buff); if (sap->sa_family == 0xFFFF || sap->sa_family == 0) return "[NONE SET]"; - - if (INET_rresolve(buff, sizeof(buff), (struct sockaddr_in *) sap, - numeric, 0xffffff00) != 0) - return NULL; - + buff = INET_rresolve((struct sockaddr_in *) sap, numeric, 0xffffff00); return buff; } @@ -139,7 +143,7 @@ static int INET_getsock(char *bufp, struct sockaddr *sap) } #endif -static int INET_input(/*int type,*/ const char *bufp, struct sockaddr *sap) +static int FAST_FUNC INET_input(/*int type,*/ const char *bufp, struct sockaddr *sap) { return INET_resolve(bufp, (struct sockaddr_in *) sap, 0); /* @@ -155,26 +159,26 @@ static int INET_input(/*int type,*/ const char *bufp, struct sockaddr *sap) } static const struct aftype inet_aftype = { - .name = "inet", - .title = "DARPA Internet", - .af = AF_INET, - .alen = 4, - .sprint = INET_sprint, - .input = INET_input, + .name = "inet", + .title = "DARPA Internet", + .af = AF_INET, + .alen = 4, + .sprint = INET_sprint, + .input = INET_input, }; #ifdef HAVE_AFINET6 /* Display an Internet socket address. */ /* dirty! struct sockaddr usually doesn't suffer for inet6 addresses, fst. */ -static const char *INET6_sprint(struct sockaddr *sap, int numeric) +static const char* FAST_FUNC INET6_sprint(struct sockaddr *sap, int numeric) { - static char buff[128]; + static char *buff; + free(buff); if (sap->sa_family == 0xFFFF || sap->sa_family == 0) return "[NONE SET]"; - if (INET6_rresolve(buff, sizeof(buff), (struct sockaddr_in6 *) sap, numeric)) - return "[UNKNOWN]"; + buff = INET6_rresolve((struct sockaddr_in6 *) sap, numeric); return buff; } @@ -194,7 +198,7 @@ static int INET6_getsock(char *bufp, struct sockaddr *sap) } #endif -static int INET6_input(/*int type,*/ const char *bufp, struct sockaddr *sap) +static int FAST_FUNC INET6_input(/*int type,*/ const char *bufp, struct sockaddr *sap) { return INET6_resolve(bufp, (struct sockaddr_in6 *) sap); /* @@ -208,23 +212,26 @@ static int INET6_input(/*int type,*/ const char *bufp, struct sockaddr *sap) } static const struct aftype inet6_aftype = { - .name = "inet6", - .title = "IPv6", - .af = AF_INET6, - .alen = sizeof(struct in6_addr), - .sprint = INET6_sprint, - .input = INET6_input, + .name = "inet6", + .title = "IPv6", + .af = AF_INET6, + .alen = sizeof(struct in6_addr), + .sprint = INET6_sprint, + .input = INET6_input, }; #endif /* HAVE_AFINET6 */ /* Display an UNSPEC address. */ -static char *UNSPEC_print(unsigned char *ptr) +static char* FAST_FUNC UNSPEC_print(unsigned char *ptr) { - static char buff[sizeof(struct sockaddr) * 3 + 1]; + static char *buff; + char *pos; unsigned int i; + if (!buff) + buff = xmalloc(sizeof(struct sockaddr) * 3 + 1); pos = buff; for (i = 0; i < sizeof(struct sockaddr); i++) { /* careful -- not every libc's sprintf returns # bytes written */ @@ -237,7 +244,7 @@ static char *UNSPEC_print(unsigned char *ptr) } /* Display an UNSPEC socket address. */ -static const char *UNSPEC_sprint(struct sockaddr *sap, int numeric) +static const char* FAST_FUNC UNSPEC_sprint(struct sockaddr *sap, int numeric UNUSED_PARAM) { if (sap->sa_family == 0xFFFF || sap->sa_family == 0) return "[NONE SET]"; @@ -248,7 +255,7 @@ static const struct aftype unspec_aftype = { .name = "unspec", .title = "UNSPEC", .af = AF_UNSPEC, - .alen = 0, + .alen = 0, .print = UNSPEC_print, .sprint = UNSPEC_sprint, }; @@ -263,7 +270,7 @@ static const struct aftype *const aftypes[] = { }; /* Check our protocol family table for this family. */ -const struct aftype *get_aftype(const char *name) +const struct aftype* FAST_FUNC get_aftype(const char *name) { const struct aftype *const *afp; @@ -321,27 +328,27 @@ struct user_net_device_stats { struct interface { struct interface *next, *prev; - char name[IFNAMSIZ]; /* interface name */ - short type; /* if type */ - short flags; /* various flags */ - int metric; /* routing metric */ - int mtu; /* MTU value */ - int tx_queue_len; /* transmit queue length */ - struct ifmap map; /* hardware setup */ - struct sockaddr addr; /* IP address */ - struct sockaddr dstaddr; /* P-P IP address */ - struct sockaddr broadaddr; /* IP broadcast address */ - struct sockaddr netmask; /* IP network mask */ + char name[IFNAMSIZ]; /* interface name */ + short type; /* if type */ + short flags; /* various flags */ + int metric; /* routing metric */ + int mtu; /* MTU value */ + int tx_queue_len; /* transmit queue length */ + struct ifmap map; /* hardware setup */ + struct sockaddr addr; /* IP address */ + struct sockaddr dstaddr; /* P-P IP address */ + struct sockaddr broadaddr; /* IP broadcast address */ + struct sockaddr netmask; /* IP network mask */ int has_ip; - char hwaddr[32]; /* HW address */ + char hwaddr[32]; /* HW address */ int statistics_valid; - struct user_net_device_stats stats; /* statistics */ - int keepalive; /* keepalive value for SLIP */ - int outfill; /* outfill value for SLIP */ + struct user_net_device_stats stats; /* statistics */ + int keepalive; /* keepalive value for SLIP */ + int outfill; /* outfill value for SLIP */ }; -int interface_opt_a; /* show all interfaces */ +smallint interface_opt_a; /* show all interfaces */ static struct interface *int_list, *int_last; @@ -388,7 +395,7 @@ static struct interface *add_interface(char *name) } new = xzalloc(sizeof(*new)); - safe_strncpy(new->name, name, IFNAMSIZ); + strncpy(new->name, name, IFNAMSIZ); nextp = ife ? &ife->next : &int_list; new->prev = ife; new->next = *nextp; @@ -405,24 +412,25 @@ static char *get_name(char *name, char *p) /* Extract from nul-terminated p where p matches : after leading whitespace. If match is not made, set name empty and return unchanged p */ - int namestart=0, nameend=0; + int namestart = 0, nameend = 0; + while (isspace(p[namestart])) namestart++; - nameend=namestart; - while (p[nameend] && p[nameend]!=':' && !isspace(p[nameend])) + nameend = namestart; + while (p[nameend] && p[nameend] != ':' && !isspace(p[nameend])) nameend++; - if (p[nameend]==':') { - if ((nameend-namestart)next) { - int err = doit(ife, cookie); - - if (err) - return err; - } - return 0; -} - /* Fetch the interface configuration from the kernel. */ static int if_fetch(struct interface *ife) { @@ -689,7 +680,6 @@ static int if_fetch(struct interface *ife) return 0; } - static int do_if_fetch(struct interface *ife) { if (if_fetch(ife) < 0) { @@ -730,26 +720,27 @@ static const struct hwtype loop_hwtype = { #endif /* Display an Ethernet address in readable format. */ -static char *pr_ether(unsigned char *ptr) +static char* FAST_FUNC ether_print(unsigned char *ptr) { - static char buff[64]; + static char *buff; - snprintf(buff, sizeof(buff), "%02X:%02X:%02X:%02X:%02X:%02X", + free(buff); + buff = xasprintf("%02X:%02X:%02X:%02X:%02X:%02X", (ptr[0] & 0377), (ptr[1] & 0377), (ptr[2] & 0377), (ptr[3] & 0377), (ptr[4] & 0377), (ptr[5] & 0377) ); return buff; } -static int in_ether(const char *bufp, struct sockaddr *sap); +static int FAST_FUNC ether_input(const char *bufp, struct sockaddr *sap); -static struct hwtype ether_hwtype = { - .name = "ether", - .title = "Ethernet", - .type = ARPHRD_ETHER, - .alen = ETH_ALEN, - .print = pr_ether, - .input = in_ether +static const struct hwtype ether_hwtype = { + .name = "ether", + .title = "Ethernet", + .type = ARPHRD_ETHER, + .alen = ETH_ALEN, + .print = ether_print, + .input = ether_input }; static unsigned hexchar2int(char c) @@ -763,7 +754,7 @@ static unsigned hexchar2int(char c) } /* Input an Ethernet address and convert to binary. */ -static int in_ether(const char *bufp, struct sockaddr *sap) +static int FAST_FUNC ether_input(const char *bufp, struct sockaddr *sap) { unsigned char *ptr; char c; @@ -818,8 +809,19 @@ static const struct hwtype sit_hwtype = { .type = ARPHRD_SIT, .print = UNSPEC_print, .suppress_null_addr = 1 -} ; +}; #endif +#if ENABLE_FEATURE_HWIB +static const struct hwtype ib_hwtype = { + .name = "infiniband", + .title = "InfiniBand", + .type = ARPHRD_INFINIBAND, + .alen = INFINIBAND_ALEN, + .print = UNSPEC_print, + .input = in_ib, +}; +#endif + static const struct hwtype *const hwtypes[] = { &loop_hwtype, @@ -828,6 +830,9 @@ static const struct hwtype *const hwtypes[] = { &unspec_hwtype, #if ENABLE_FEATURE_IPV6 &sit_hwtype, +#endif +#if ENABLE_FEATURE_HWIB + &ib_hwtype, #endif NULL }; @@ -847,7 +852,7 @@ static const char *const if_port_text[] = { #endif /* Check our hardware type table for this type. */ -const struct hwtype *get_hwtype(const char *name) +const struct hwtype* FAST_FUNC get_hwtype(const char *name) { const struct hwtype *const *hwp; @@ -861,7 +866,7 @@ const struct hwtype *get_hwtype(const char *name) } /* Check our hardware type table for this type. */ -const struct hwtype *get_hwntype(int type) +const struct hwtype* FAST_FUNC get_hwntype(int type) { const struct hwtype *const *hwp; @@ -877,7 +882,7 @@ const struct hwtype *get_hwntype(int type) /* return 1 if address is all zeros */ static int hw_null_address(const struct hwtype *hw, void *ap) { - unsigned int i; + int i; unsigned char *address = (unsigned char *) ap; for (i = 0; i < hw->alen; i++) @@ -886,7 +891,7 @@ static int hw_null_address(const struct hwtype *hw, void *ap) return 1; } -static const char TRext[] = "\0\0\0Ki\0Mi\0Gi\0Ti"; +static const char TRext[] ALIGN1 = "\0\0\0Ki\0Mi\0Gi\0Ti"; static void print_bytes_scaled(unsigned long long ull, const char *end) { @@ -911,60 +916,91 @@ static void print_bytes_scaled(unsigned long long ull, const char *end) printf("X bytes:%llu (%llu.%u %sB)%s", ull, int_part, frac_part, ext, end); } -static const char *const ife_print_flags_strs[] = { - "UP ", - "BROADCAST ", - "DEBUG ", - "LOOPBACK ", - "POINTOPOINT ", - "NOTRAILERS ", - "RUNNING ", - "NOARP ", - "PROMISC ", - "ALLMULTI ", - "SLAVE ", - "MASTER ", - "MULTICAST ", -#ifdef HAVE_DYNAMIC - "DYNAMIC " -#endif -}; -static const unsigned short ife_print_flags_mask[] = { - IFF_UP, - IFF_BROADCAST, - IFF_DEBUG, - IFF_LOOPBACK, - IFF_POINTOPOINT, - IFF_NOTRAILERS, - IFF_RUNNING, - IFF_NOARP, - IFF_PROMISC, - IFF_ALLMULTI, - IFF_SLAVE, - IFF_MASTER, - IFF_MULTICAST, -#ifdef HAVE_DYNAMIC - IFF_DYNAMIC -#endif - 0 -}; +#ifdef HAVE_AFINET6 +#define IPV6_ADDR_ANY 0x0000U -static void ife_print(struct interface *ptr) +#define IPV6_ADDR_UNICAST 0x0001U +#define IPV6_ADDR_MULTICAST 0x0002U +#define IPV6_ADDR_ANYCAST 0x0004U + +#define IPV6_ADDR_LOOPBACK 0x0010U +#define IPV6_ADDR_LINKLOCAL 0x0020U +#define IPV6_ADDR_SITELOCAL 0x0040U + +#define IPV6_ADDR_COMPATv4 0x0080U + +#define IPV6_ADDR_SCOPE_MASK 0x00f0U + +#define IPV6_ADDR_MAPPED 0x1000U +#define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */ + + +static void ife_print6(struct interface *ptr) { - const struct aftype *ap; - const struct hwtype *hw; - int hf; - int can_compress = 0; -#ifdef HAVE_AFINET6 FILE *f; char addr6[40], devname[20]; struct sockaddr_in6 sap; int plen, scope, dad_status, if_idx; char addr6p[8][5]; + + f = fopen_for_read(_PATH_PROCNET_IFINET6); + if (f == NULL) + return; + + while (fscanf + (f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n", + addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4], + addr6p[5], addr6p[6], addr6p[7], &if_idx, &plen, &scope, + &dad_status, devname) != EOF + ) { + if (!strcmp(devname, ptr->name)) { + sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s", + addr6p[0], addr6p[1], addr6p[2], addr6p[3], + addr6p[4], addr6p[5], addr6p[6], addr6p[7]); + inet_pton(AF_INET6, addr6, + (struct sockaddr *) &sap.sin6_addr); + sap.sin6_family = AF_INET6; + printf(" inet6 addr: %s/%d", + INET6_sprint((struct sockaddr *) &sap, 1), + plen); + printf(" Scope:"); + switch (scope & IPV6_ADDR_SCOPE_MASK) { + case 0: + puts("Global"); + break; + case IPV6_ADDR_LINKLOCAL: + puts("Link"); + break; + case IPV6_ADDR_SITELOCAL: + puts("Site"); + break; + case IPV6_ADDR_COMPATv4: + puts("Compat"); + break; + case IPV6_ADDR_LOOPBACK: + puts("Host"); + break; + default: + puts("Unknown"); + } + } + } + fclose(f); +} +#else +static void ife_print6(struct interface *ptr) {} #endif + +static void ife_print(struct interface *ptr) +{ + const struct aftype *ap; + const struct hwtype *hw; + int hf; + int can_compress = 0; + ap = get_afntype(ptr->addr.sa_family); if (ap == NULL) ap = get_afntype(0); @@ -981,9 +1017,11 @@ static void ife_print(struct interface *ptr) printf("%-9.9s Link encap:%s ", ptr->name, hw->title); /* For some hardware types (eg Ash, ATM) we don't print the hardware address if it's null. */ - if (hw->print != NULL && (!(hw_null_address(hw, ptr->hwaddr) && - hw->suppress_null_addr))) + if (hw->print != NULL + && !(hw_null_address(hw, ptr->hwaddr) && hw->suppress_null_addr) + ) { printf("HWaddr %s ", hw->print((unsigned char *)ptr->hwaddr)); + } #ifdef IFF_PORTSEL if (ptr->flags & IFF_PORTSEL) { printf("Media:%s", if_port_text[ptr->map.port] /* [0] */); @@ -991,7 +1029,7 @@ static void ife_print(struct interface *ptr) printf("(auto)"); } #endif - puts(""); + bb_putchar('\n'); if (ptr->has_ip) { printf(" %s addr:%s ", ap->name, @@ -1005,69 +1043,7 @@ static void ife_print(struct interface *ptr) printf(" Mask:%s\n", ap->sprint(&ptr->netmask, 1)); } -#ifdef HAVE_AFINET6 - -#define IPV6_ADDR_ANY 0x0000U - -#define IPV6_ADDR_UNICAST 0x0001U -#define IPV6_ADDR_MULTICAST 0x0002U -#define IPV6_ADDR_ANYCAST 0x0004U - -#define IPV6_ADDR_LOOPBACK 0x0010U -#define IPV6_ADDR_LINKLOCAL 0x0020U -#define IPV6_ADDR_SITELOCAL 0x0040U - -#define IPV6_ADDR_COMPATv4 0x0080U - -#define IPV6_ADDR_SCOPE_MASK 0x00f0U - -#define IPV6_ADDR_MAPPED 0x1000U -#define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */ - - f = fopen(_PATH_PROCNET_IFINET6, "r"); - if (f != NULL) { - while (fscanf - (f, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n", - addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4], - addr6p[5], addr6p[6], addr6p[7], &if_idx, &plen, &scope, - &dad_status, devname) != EOF - ) { - if (!strcmp(devname, ptr->name)) { - sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s", - addr6p[0], addr6p[1], addr6p[2], addr6p[3], - addr6p[4], addr6p[5], addr6p[6], addr6p[7]); - inet_pton(AF_INET6, addr6, - (struct sockaddr *) &sap.sin6_addr); - sap.sin6_family = AF_INET6; - printf(" inet6 addr: %s/%d", - inet6_aftype.sprint((struct sockaddr *) &sap, 1), - plen); - printf(" Scope:"); - switch (scope & IPV6_ADDR_SCOPE_MASK) { - case 0: - printf("Global"); - break; - case IPV6_ADDR_LINKLOCAL: - printf("Link"); - break; - case IPV6_ADDR_SITELOCAL: - printf("Site"); - break; - case IPV6_ADDR_COMPATv4: - printf("Compat"); - break; - case IPV6_ADDR_LOOPBACK: - printf("Host"); - break; - default: - printf("Unknown"); - } - puts(""); - } - } - fclose(f); - } -#endif + ife_print6(ptr); printf(" "); /* DONT FORGET TO ADD THE FLAGS IN ife_print_short, too */ @@ -1075,12 +1051,51 @@ static void ife_print(struct interface *ptr) if (ptr->flags == 0) { printf("[NO FLAGS] "); } else { - int i = 0; + static const char ife_print_flags_strs[] ALIGN1 = + "UP\0" + "BROADCAST\0" + "DEBUG\0" + "LOOPBACK\0" + "POINTOPOINT\0" + "NOTRAILERS\0" + "RUNNING\0" + "NOARP\0" + "PROMISC\0" + "ALLMULTI\0" + "SLAVE\0" + "MASTER\0" + "MULTICAST\0" +#ifdef HAVE_DYNAMIC + "DYNAMIC\0" +#endif + ; + static const unsigned short ife_print_flags_mask[] ALIGN2 = { + IFF_UP, + IFF_BROADCAST, + IFF_DEBUG, + IFF_LOOPBACK, + IFF_POINTOPOINT, + IFF_NOTRAILERS, + IFF_RUNNING, + IFF_NOARP, + IFF_PROMISC, + IFF_ALLMULTI, + IFF_SLAVE, + IFF_MASTER, + IFF_MULTICAST +#ifdef HAVE_DYNAMIC + ,IFF_DYNAMIC +#endif + }; + const unsigned short *mask = ife_print_flags_mask; + const char *str = ife_print_flags_strs; do { - if (ptr->flags & ife_print_flags_mask[i]) { - printf(ife_print_flags_strs[i]); + if (ptr->flags & *mask) { + printf("%s ", str); } - } while (ife_print_flags_mask[++i]); + mask++; + str += strlen(str) + 1; + } while (*str); } /* DONT FORGET TO ADD THE FLAGS IN ife_print_short */ @@ -1089,7 +1104,7 @@ static void ife_print(struct interface *ptr) if (ptr->outfill || ptr->keepalive) printf(" Outfill:%d Keepalive:%d", ptr->outfill, ptr->keepalive); #endif - puts(""); + bb_putchar('\n'); /* If needed, display the interface statistics. */ @@ -1120,11 +1135,11 @@ static void ife_print(struct interface *ptr) printf("\n R"); print_bytes_scaled(ptr->stats.rx_bytes, " T"); print_bytes_scaled(ptr->stats.tx_bytes, "\n"); - } - if ((ptr->map.irq || ptr->map.mem_start || ptr->map.dma || - ptr->map.base_addr)) { + if (ptr->map.irq || ptr->map.mem_start + || ptr->map.dma || ptr->map.base_addr + ) { printf(" "); if (ptr->map.irq) printf("Interrupt:%d ", ptr->map.irq); @@ -1138,20 +1153,18 @@ static void ife_print(struct interface *ptr) } if (ptr->map.dma) printf("DMA chan:%x ", ptr->map.dma); - puts(""); + bb_putchar('\n'); } - puts(""); + bb_putchar('\n'); } - -static int do_if_print(struct interface *ife, void *cookie) +static int do_if_print(struct interface *ife) /*, int *opt_a)*/ { - int *opt_a = (int *) cookie; int res; res = do_if_fetch(ife); if (res >= 0) { - if ((ife->flags & IFF_UP) || *opt_a) + if ((ife->flags & IFF_UP) || interface_opt_a) ife_print(ife); } return res; @@ -1167,25 +1180,109 @@ static struct interface *lookup_interface(char *name) return ife; } +#ifdef UNUSED +static int for_all_interfaces(int (*doit) (struct interface *, void *), + void *cookie) +{ + struct interface *ife; + + if (!int_list && (if_readlist() < 0)) + return -1; + for (ife = int_list; ife; ife = ife->next) { + int err = doit(ife, cookie); + + if (err) + return err; + } + return 0; +} +#endif + /* for ipv4 add/del modes */ static int if_print(char *ifname) { + struct interface *ife; int res; if (!ifname) { - res = for_all_interfaces(do_if_print, &interface_opt_a); - } else { - struct interface *ife; - - ife = lookup_interface(ifname); - res = do_if_fetch(ife); - if (res >= 0) - ife_print(ife); + /*res = for_all_interfaces(do_if_print, &interface_opt_a);*/ + if (!int_list && (if_readlist() < 0)) + return -1; + for (ife = int_list; ife; ife = ife->next) { + int err = do_if_print(ife); /*, &interface_opt_a);*/ + if (err) + return err; + } + return 0; } + ife = lookup_interface(ifname); + res = do_if_fetch(ife); + if (res >= 0) + ife_print(ife); return res; } -int display_interfaces(char *ifname) +#if ENABLE_FEATURE_HWIB +/* Input an Infiniband address and convert to binary. */ +int FAST_FUNC in_ib(const char *bufp, struct sockaddr *sap) +{ + unsigned char *ptr; + char c; + const char *orig; + int i; + unsigned val; + + sap->sa_family = ib_hwtype.type; + ptr = (unsigned char *) sap->sa_data; + + i = 0; + orig = bufp; + while ((*bufp != '\0') && (i < INFINIBAND_ALEN)) { + val = 0; + c = *bufp++; + if (isdigit(c)) + val = c - '0'; + else if (c >= 'a' && c <= 'f') + val = c - 'a' + 10; + else if (c >= 'A' && c <= 'F') + val = c - 'A' + 10; + else { + errno = EINVAL; + return -1; + } + val <<= 4; + c = *bufp; + if (isdigit(c)) + val |= c - '0'; + else if (c >= 'a' && c <= 'f') + val |= c - 'a' + 10; + else if (c >= 'A' && c <= 'F') + val |= c - 'A' + 10; + else if (c == ':' || c == 0) + val >>= 4; + else { + errno = EINVAL; + return -1; + } + if (c != 0) + bufp++; + *ptr++ = (unsigned char) (val & 0377); + i++; + + /* We might get a semicolon here - not required. */ + if (*bufp == ':') { + bufp++; + } + } +#ifdef DEBUG + fprintf(stderr, "in_ib(%s): %s\n", orig, UNSPEC_print(sap->sa_data)); +#endif + return 0; +} +#endif + + +int FAST_FUNC display_interfaces(char *ifname) { int status;