X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=networking%2Finterface.c;h=b09148b279a0be25f9f11b04cf75e1e8bf2656fb;hb=12ff9dc71465cdbb9be7418e293a6d43fdb60cda;hp=471ac529e0f806a91f15d003a7031d2dc14a7ba4;hpb=4daad9004d8f07991516970a1cbd77756fae7041;p=oweals%2Fbusybox.git diff --git a/networking/interface.c b/networking/interface.c index 471ac529e..b09148b27 100644 --- a/networking/interface.c +++ b/networking/interface.c @@ -36,6 +36,13 @@ #include "inet_common.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 #else @@ -82,9 +89,9 @@ 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; + static char *buff; /* defaults to NULL */ free(buff); if (sap->sa_family == 0xFFFF || sap->sa_family == 0) @@ -136,7 +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); /* @@ -152,19 +159,19 @@ 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; @@ -191,7 +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); /* @@ -205,25 +212,25 @@ 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; char *pos; unsigned int i; - if (!buff); + if (!buff) buff = xmalloc(sizeof(struct sockaddr) * 3 + 1); pos = buff; for (i = 0; i < sizeof(struct sockaddr); i++) { @@ -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; @@ -321,23 +328,23 @@ 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 */ }; @@ -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)alen; i++) @@ -896,21 +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 void ife_print(struct interface *ptr) -{ - const struct aftype *ap; - const struct hwtype *hw; - int hf; - int can_compress = 0; #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 */ + + +static void ife_print6(struct interface *ptr) +{ + 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); @@ -927,9 +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] */); @@ -951,68 +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 %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); - } -#endif + ife_print6(ptr); printf(" "); /* DONT FORGET TO ADD THE FLAGS IN ife_print_short, too */ @@ -1104,11 +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); @@ -1127,7 +1158,6 @@ static void ife_print(struct interface *ptr) bb_putchar('\n'); } - static int do_if_print(struct interface *ife) /*, int *opt_a)*/ { int res; @@ -1192,7 +1222,67 @@ static int if_print(char *ifname) 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;