diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/aclocal.m4 | 14 | ||||
| -rwxr-xr-x | erts/autoconf/win32.config.cache.static | 1 | ||||
| -rw-r--r-- | erts/configure.in | 2 | ||||
| -rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 831 | ||||
| -rw-r--r-- | erts/etc/common/inet_gethost.c | 1 | ||||
| -rwxr-xr-x | erts/etc/win32/cygwin_tools/vc/ld.sh | 2 | ||||
| -rw-r--r-- | erts/preloaded/ebin/prim_inet.beam | bin | 57268 -> 65184 bytes | |||
| -rw-r--r-- | erts/preloaded/src/prim_inet.erl | 250 |
8 files changed, 961 insertions, 140 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index 3b1edd7605..0d7914fbb8 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -386,14 +386,24 @@ AC_DEFUN(LM_SYS_IPV6, AC_CACHE_VAL(ac_cv_sys_ipv6_support, [ok_so_far=yes AC_TRY_COMPILE([#include <sys/types.h> -#include <netinet/in.h>], +#ifdef __WIN32__ +#include <winsock2.h> +#include <ws2tcpip.h> +#else +#include <netinet/in.h> +#endif], [struct in6_addr a6; struct sockaddr_in6 s6;], ok_so_far=yes, ok_so_far=no) if test $ok_so_far = yes; then ac_cv_sys_ipv6_support=yes else AC_TRY_COMPILE([#include <sys/types.h> -#include <netinet/in.h>], +#ifdef __WIN32__ +#include <winsock2.h> +#include <ws2tcpip.h> +#else +#include <netinet/in.h> +#endif], [struct in_addr6 a6; struct sockaddr_in6 s6;], ac_cv_sys_ipv6_support=in_addr6, ac_cv_sys_ipv6_support=no) fi diff --git a/erts/autoconf/win32.config.cache.static b/erts/autoconf/win32.config.cache.static index 31dfe510cd..cc33fc09b3 100755 --- a/erts/autoconf/win32.config.cache.static +++ b/erts/autoconf/win32.config.cache.static @@ -212,7 +212,6 @@ ac_cv_sizeof_void_p=${ac_cv_sizeof_void_p=4} ac_cv_struct_exception=${ac_cv_struct_exception=no} ac_cv_struct_sockaddr_sa_len=${ac_cv_struct_sockaddr_sa_len=no} ac_cv_struct_tm=${ac_cv_struct_tm=time.h} -ac_cv_sys_ipv6_support=${ac_cv_sys_ipv6_support=no} ac_cv_sys_multicast_support=${ac_cv_sys_multicast_support=no} ac_cv_type_char=${ac_cv_type_char=yes} ac_cv_type_int=${ac_cv_type_int=yes} diff --git a/erts/configure.in b/erts/configure.in index 8c6f2ac076..c279161a29 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1788,7 +1788,7 @@ AC_CHECK_FUNCS([fdatasync]) dnl Find which C libraries are required to use fdatasync AC_SEARCH_LIBS(fdatasync, [rt]) -AC_CHECK_HEADERS(net/if_dl.h ifaddrs.h) +AC_CHECK_HEADERS(net/if_dl.h ifaddrs.h netpacket/packet.h) AC_CHECK_FUNCS([getifaddrs]) dnl ---------------------------------------------------------------------- diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 3de48194fb..f07e4793d2 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -54,6 +54,9 @@ #ifdef HAVE_IFADDRS_H #include <ifaddrs.h> #endif +#ifdef HAVE_NETPACKET_PACKET_H +#include <netpacket/packet.h> +#endif /* All platforms fail on malloc errors. */ #define FATAL_MALLOC @@ -85,6 +88,7 @@ #include <winsock2.h> #endif #include <windows.h> +#include <iphlpapi.h> #include <Ws2tcpip.h> /* NEED VC 6.0 !!! */ @@ -467,6 +471,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define INET_REQ_IFGET 22 #define INET_REQ_IFSET 23 #define INET_REQ_SUBSCRIBE 24 +#define INET_REQ_GETIFADDRS 25 /* TCP requests */ #define TCP_REQ_ACCEPT 40 #define TCP_REQ_LISTEN 41 @@ -3824,39 +3829,81 @@ do { if ((end)-(ptr) < (n)) goto error; } while(0) static char* sockaddr_to_buf(struct sockaddr* addr, char* ptr, char* end) { if (addr->sa_family == AF_INET || addr->sa_family == 0) { - struct in_addr a; - buf_check(ptr,end,sizeof(struct in_addr)); - a = ((struct sockaddr_in*) addr)->sin_addr; - sys_memcpy(ptr, (char*)&a, sizeof(struct in_addr)); - return ptr + sizeof(struct in_addr); + struct in_addr *p = &(((struct sockaddr_in*) addr)->sin_addr); + buf_check(ptr, end, 1 + sizeof(struct in_addr)); + *ptr = INET_AF_INET; + sys_memcpy(ptr+1, (char*)p, sizeof(struct in_addr)); + return ptr + 1 + sizeof(struct in_addr); } #if defined(HAVE_IN6) && defined(AF_INET6) else if (addr->sa_family == AF_INET6) { - struct in6_addr a; - buf_check(ptr,end,sizeof(struct in6_addr)); - a = ((struct sockaddr_in6*) addr)->sin6_addr; - sys_memcpy(ptr, (char*)&a, sizeof(struct in6_addr)); - return ptr + sizeof(struct in6_addr); + struct in6_addr *p = &(((struct sockaddr_in6*) addr)->sin6_addr); + buf_check(ptr, end, 1 + sizeof(struct in6_addr)); + *ptr = INET_AF_INET6; + sys_memcpy(ptr+1, (char*)p, sizeof(struct in6_addr)); + return ptr + 1 + sizeof(struct in6_addr); + } +#endif +#if defined(AF_LINK) + else if (addr->sa_family == AF_LINK) { + struct sockaddr_dl *sdl_p = (struct sockaddr_dl*) addr; + buf_check(ptr, end, 2 + sdl_p->sdl_alen); + put_int16(sdl_p->sdl_alen, ptr); ptr += 2; + sys_memcpy(ptr, sdl_p->sdl_data + sdl_p->sdl_nlen, sdl_p->sdl_alen); + return ptr + sdl_p->sdl_alen; + } +#endif +#if defined(AF_PACKET) && defined(HAVE_NETPACKET_PACKET_H) + else if(addr->sa_family == AF_PACKET) { + struct sockaddr_ll *sll_p = (struct sockaddr_ll*) addr; + buf_check(ptr, end, 2 + sll_p->sll_halen); + put_int16(sll_p->sll_halen, ptr); ptr += 2; + sys_memcpy(ptr, sll_p->sll_addr, sll_p->sll_halen); + return ptr + sll_p->sll_halen; } #endif + return ptr; error: return NULL; - } static char* buf_to_sockaddr(char* ptr, char* end, struct sockaddr* addr) { - buf_check(ptr,end,sizeof(struct in_addr)); - sys_memcpy((char*) &((struct sockaddr_in*)addr)->sin_addr, ptr, - sizeof(struct in_addr)); - addr->sa_family = AF_INET; - return ptr + sizeof(struct in_addr); - + buf_check(ptr,end,1); + switch (*ptr++) { + case INET_AF_INET: { + struct in_addr *p = &((struct sockaddr_in*)addr)->sin_addr; + buf_check(ptr,end,sizeof(struct in_addr)); + sys_memcpy((char*) p, ptr, sizeof(struct in_addr)); + addr->sa_family = AF_INET; + return ptr + sizeof(struct in_addr); + } + case INET_AF_INET6: { + struct in6_addr *p = &((struct sockaddr_in6*)addr)->sin6_addr; + buf_check(ptr,end,sizeof(struct in6_addr)); + sys_memcpy((char*) p, ptr, sizeof(struct in6_addr)); + addr->sa_family = AF_INET6; + return ptr + sizeof(struct in6_addr); + } + } error: return NULL; } +#if defined (IFF_POINTOPOINT) +#define IFGET_FLAGS(cflags) IFGET_FLAGS_P2P(cflags, IFF_POINTOPOINT) +#elif defined IFF_POINTTOPOINT +#define IFGET_FLAGS(cflags) IFGET_FLAGS_P2P(cflags, IFF_POINTTOPOINT) +#endif + +#define IFGET_FLAGS_P2P(cflags, iff_ptp) \ + ((((cflags) & IFF_UP) ? INET_IFF_UP : 0) | \ + (((cflags) & IFF_BROADCAST) ? INET_IFF_BROADCAST : 0) | \ + (((cflags) & IFF_LOOPBACK) ? INET_IFF_LOOPBACK : 0) | \ + (((cflags) & iff_ptp) ? INET_IFF_POINTTOPOINT : 0) | \ + (((cflags) & IFF_UP) ? INET_IFF_RUNNING : 0) | /* emulate running ? */ \ + (((cflags) & IFF_MULTICAST) ? INET_IFF_MULTICAST : 0)) #if defined(__WIN32__) && defined(SIO_GET_INTERFACE_LIST) @@ -3894,7 +3941,6 @@ static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize) return ctl_reply(INET_REP_OK, sbuf, sptr - sbuf, rbuf, rsize); } - /* input is an ip-address in string format i.e A.B.C.D ** scan the INTERFACE_LIST to get the options */ @@ -3980,27 +4026,12 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, break; case INET_IFOPT_FLAGS: { - long eflags = 0; int flags = ifp->iiFlags; /* just enumerate the interfaces (no names) */ - /* translate flags */ - if (flags & IFF_UP) - eflags |= INET_IFF_UP; - if (flags & IFF_BROADCAST) - eflags |= INET_IFF_BROADCAST; - if (flags & IFF_LOOPBACK) - eflags |= INET_IFF_LOOPBACK; - if (flags & IFF_POINTTOPOINT) - eflags |= INET_IFF_POINTTOPOINT; - if (flags & IFF_UP) /* emulate runnign ? */ - eflags |= INET_IFF_RUNNING; - if (flags & IFF_MULTICAST) - eflags |= INET_IFF_MULTICAST; - buf_check(sptr, s_end, 5); *sptr++ = INET_IFOPT_FLAGS; - put_int32(eflags, sptr); + put_int32(IFGET_FLAGS(flags), sptr); sptr += 4; break; } @@ -4021,7 +4052,6 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize); } - #elif defined(SIOCGIFCONF) && defined(SIOCSIFFLAGS) /* cygwin has SIOCGIFCONF but not SIOCSIFFLAGS (Nov 2002) */ @@ -4032,69 +4062,77 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, #define SIZEA(p) (sizeof (p)) #endif - -static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize) -{ - struct ifconf ifc; - struct ifreq *ifr; - char *buf; - int buflen, ifc_len, i; - char *sbuf, *sp; - - /* Courtesy of Per Bergqvist and W. Richard Stevens */ - - ifc_len = 0; - buflen = 100 * sizeof(struct ifreq); - buf = ALLOC(buflen); +static int get_ifconf(SOCKET s, struct ifconf *ifcp) { + int ifc_len = 0; + int buflen = 100 * sizeof(struct ifreq); + char *buf = ALLOC(buflen); for (;;) { - ifc.ifc_len = buflen; - ifc.ifc_buf = buf; - if (ioctl(desc->s, SIOCGIFCONF, (char *)&ifc) < 0) { + ifcp->ifc_len = buflen; + ifcp->ifc_buf = buf; + if (ioctl(s, SIOCGIFCONF, (char *)ifcp) < 0) { int res = sock_errno(); if (res != EINVAL || ifc_len) { FREE(buf); - return ctl_error(res, rbuf, rsize); + return -1; } } else { - if (ifc.ifc_len == ifc_len) break; /* buf large enough */ - ifc_len = ifc.ifc_len; + if (ifcp->ifc_len == ifc_len) break; /* buf large enough */ + ifc_len = ifcp->ifc_len; } buflen += 10 * sizeof(struct ifreq); buf = (char *)REALLOC(buf, buflen); } - - sp = sbuf = ALLOC(ifc_len+1); + return 0; +} + +static void free_ifconf(struct ifconf *ifcp) { + FREE(ifcp->ifc_buf); +} + +static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize) +{ + struct ifconf ifc; + struct ifreq *ifrp; + char *sbuf, *sp; + int i; + + /* Courtesy of Per Bergqvist and W. Richard Stevens */ + + if (get_ifconf(desc->s, &ifc) < 0) { + return ctl_error(sock_errno(), rbuf, rsize); + } + + sp = sbuf = ALLOC(ifc.ifc_len+1); *sp++ = INET_REP_OK; i = 0; for (;;) { int n; - - ifr = (struct ifreq *) VOIDP(buf + i); - n = sizeof(ifr->ifr_name) + SIZEA(ifr->ifr_addr); - if (n < sizeof(*ifr)) n = sizeof(*ifr); - if (i+n > ifc_len) break; + + ifrp = (struct ifreq *) VOIDP(ifc.ifc_buf + i); + n = sizeof(ifrp->ifr_name) + SIZEA(ifrp->ifr_addr); + if (n < sizeof(*ifrp)) n = sizeof(*ifrp); + if (i+n > ifc.ifc_len) break; i += n; - - switch (ifr->ifr_addr.sa_family) { + + switch (ifrp->ifr_addr.sa_family) { #if defined(HAVE_IN6) && defined(AF_INET6) case AF_INET6: #endif case AF_INET: - ASSERT(sp+IFNAMSIZ+1 < sbuf+buflen+1) - strncpy(sp, ifr->ifr_name, IFNAMSIZ); + ASSERT(sp+IFNAMSIZ+1 < sbuf+ifc.ifc_len+1) + strncpy(sp, ifrp->ifr_name, IFNAMSIZ); sp[IFNAMSIZ] = '\0'; sp += strlen(sp), ++sp; } - - if (i >= ifc_len) break; + + if (i >= ifc.ifc_len) break; } - FREE(buf); + free_ifconf(&ifc); *rbuf = sbuf; return sp - sbuf; } - /* FIXME: temporary hack */ #ifndef IFHWADDRLEN #define IFHWADDRLEN 6 @@ -4133,37 +4171,52 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, #ifdef SIOCGIFHWADDR if (ioctl(desc->s, SIOCGIFHWADDR, (char *)&ifreq) < 0) break; - buf_check(sptr, s_end, 1+IFHWADDRLEN); + buf_check(sptr, s_end, 1+2+IFHWADDRLEN); *sptr++ = INET_IFOPT_HWADDR; + put_int16(IFHWADDRLEN, sptr); sptr += 2; /* raw memcpy (fix include autoconf later) */ sys_memcpy(sptr, (char*)(&ifreq.ifr_hwaddr.sa_data), IFHWADDRLEN); sptr += IFHWADDRLEN; -#elif defined(HAVE_GETIFADDRS) - struct ifaddrs *ifa, *ifp; - int found = 0; - - if (getifaddrs(&ifa) == -1) - goto error; +#elif defined(SIOCGENADDR) + if (ioctl(desc->s, SIOCGENADDR, (char *)&ifreq) < 0) + break; + buf_check(sptr, s_end, 1+2+sizeof(ifreq.ifr_enaddr)); + *sptr++ = INET_IFOPT_HWADDR; + put_int16(sizeof(ifreq.ifr_enaddr), sptr); sptr += 2; + /* raw memcpy (fix include autoconf later) */ + sys_memcpy(sptr, (char*)(&ifreq.ifr_enaddr), + sizeof(ifreq.ifr_enaddr)); + sptr += sizeof(ifreq.ifr_enaddr); +#elif defined(HAVE_GETIFADDRS) && defined(AF_LINK) + struct ifaddrs *ifa, *ifp; + struct sockaddr_dl *sdlp; + int found = 0; + + if (getifaddrs(&ifa) == -1) + goto error; - for (ifp = ifa; ifp; ifp = ifp->ifa_next) { - if ((ifp->ifa_addr->sa_family == AF_LINK) && - (sys_strcmp(ifp->ifa_name, ifreq.ifr_name) == 0)) { - found = 1; - break; - } - } + for (ifp = ifa; ifp; ifp = ifp->ifa_next) { + if ((ifp->ifa_addr->sa_family == AF_LINK) && + (sys_strcmp(ifp->ifa_name, ifreq.ifr_name) == 0)) { + found = 1; + break; + } + } - if (found == 0) { - freeifaddrs(ifa); - break; - } + if (found == 0) { + freeifaddrs(ifa); + break; + } + sdlp = (struct sockaddr_dl *)ifp->ifa_addr; - buf_check(sptr, s_end, 1+IFHWADDRLEN); - *sptr++ = INET_IFOPT_HWADDR; - sys_memcpy(sptr, ((struct sockaddr_dl *)ifp->ifa_addr)->sdl_data + - ((struct sockaddr_dl *)ifp->ifa_addr)->sdl_nlen, IFHWADDRLEN); - freeifaddrs(ifa); - sptr += IFHWADDRLEN; + buf_check(sptr, s_end, 1+2+sdlp->sdl_alen); + *sptr++ = INET_IFOPT_HWADDR; + put_int16(sdlp->sdl_alen, sptr); sptr += 2; + sys_memcpy(sptr, + sdlp->sdl_data + sdlp->sdl_nlen, + sdlp->sdl_alen); + freeifaddrs(ifa); + sptr += sdlp->sdl_alen; #endif break; } @@ -4240,29 +4293,15 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, case INET_IFOPT_FLAGS: { int flags; - int eflags = 0; if (ioctl(desc->s, SIOCGIFFLAGS, (char*)&ifreq) < 0) flags = 0; else flags = ifreq.ifr_flags; - /* translate flags */ - if (flags & IFF_UP) - eflags |= INET_IFF_UP; - if (flags & IFF_BROADCAST) - eflags |= INET_IFF_BROADCAST; - if (flags & IFF_LOOPBACK) - eflags |= INET_IFF_LOOPBACK; - if (flags & IFF_POINTOPOINT) - eflags |= INET_IFF_POINTTOPOINT; - if (flags & IFF_RUNNING) - eflags |= INET_IFF_RUNNING; - if (flags & IFF_MULTICAST) - eflags |= INET_IFF_MULTICAST; buf_check(sptr, s_end, 5); *sptr++ = INET_IFOPT_FLAGS; - put_int32(eflags, sptr); + put_int32(IFGET_FLAGS(flags), sptr); sptr += 4; break; } @@ -4300,17 +4339,22 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, (void) ioctl(desc->s, SIOCSIFADDR, (char*)&ifreq); break; - case INET_IFOPT_HWADDR: - buf_check(buf, b_end, IFHWADDRLEN); + case INET_IFOPT_HWADDR: { + unsigned int len; + buf_check(buf, b_end, 2); + len = get_int16(buf); buf += 2; + buf_check(buf, b_end, len); #ifdef SIOCSIFHWADDR /* raw memcpy (fix include autoconf later) */ - sys_memcpy((char*)(&ifreq.ifr_hwaddr.sa_data), buf, IFHWADDRLEN); + sys_memset((char*)(&ifreq.ifr_hwaddr.sa_data), + '\0', sizeof(ifreq.ifr_hwaddr.sa_data)); + sys_memcpy((char*)(&ifreq.ifr_hwaddr.sa_data), buf, len); (void) ioctl(desc->s, SIOCSIFHWADDR, (char *)&ifreq); #endif - buf += IFHWADDRLEN; + buf += len; break; - + } case INET_IFOPT_BROADADDR: #ifdef SIOCSIFBRDADDR @@ -4415,6 +4459,551 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, #endif + + +/* Latin-1 to utf8 */ + +static int utf8_len(const char *c, int m) { + int l; + for (l = 0; m; c++, l++, m--) { + if (*c == '\0') break; + if ((*c & 0x7f) != *c) l++; + } + return l; +} + +static void utf8_encode(const char *c, int m, char *p) { + for (; m; c++, m--) { + if (*c == '\0') break; + if ((*c & 0x7f) != *c) { + *p++ = (char) (0xC0 | (0x03 & (*c >> 6))); + *p++ = (char) (0x80 | (0x3F & *c)); + } else { + *p++ = (char) *c; + } + } +} + +#if defined(__WIN32__) + +static void set_netmask_bytes(char *c, int len, int pref_len) { + int i, m; + for (i = 0, m = pref_len >> 3; i < m && i < len; i++) c[i] = '\xFF'; + if (i < len) c[i++] = 0xFF << (8 - (pref_len & 7)); + for (; i < len; i++) c[i] = '\0'; +} + + +int eq_masked_bytes(char *a, char *b, int pref_len) { + int i, m; + for (i = 0, m = pref_len >> 3; i < m; i++) { + if (a[i] != b[i]) return 0; + } + m = pref_len & 7; + if (m) { + m = 0xFF & (0xFF << (8 - m)); + if ((a[i] & m) != (b[i] & m)) return 0; + } + return !0; +} + +static int inet_ctl_getifaddrs(inet_descriptor* desc_p, + char **rbuf_pp, int rsize) +{ + int i; + DWORD ret, n; + IP_INTERFACE_INFO *info_p; + MIB_IPADDRTABLE *ip_addrs_p; + IP_ADAPTER_ADDRESSES *ip_adaddrs_p, *ia_p; + + char *buf_p; + char *buf_alloc_p; + int buf_size =512; +# define BUF_ENSURE(Size) \ + do { \ + int NEED_, GOT_ = buf_p - buf_alloc_p; \ + NEED_ = GOT_ + (Size); \ + if (NEED_ > buf_size) { \ + buf_size = NEED_ + 512; \ + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \ + buf_p = buf_alloc_p + GOT_; \ + } \ + } while(0) +# define SOCKADDR_TO_BUF(opt, sa) \ + do { \ + if (sa) { \ + char *P_; \ + *buf_p++ = (opt); \ + while (! (P_ = sockaddr_to_buf((sa), buf_p, \ + buf_alloc_p+buf_size))) { \ + int GOT_ = buf_p - buf_alloc_p; \ + buf_size += 512; \ + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \ + buf_p = buf_alloc_p + GOT_; \ + } \ + if (P_ == buf_p) { \ + buf_p--; \ + } else { \ + buf_p = P_; \ + } \ + } \ + } while (0) + + { + /* Try GetAdaptersAddresses, if it is available */ + unsigned long ip_adaddrs_size = 16 * 1024; + ULONG family = AF_UNSPEC; + ULONG flags = + GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_ANYCAST | + GAA_FLAG_SKIP_DNS_SERVER | GAA_FLAG_SKIP_FRIENDLY_NAME | + GAA_FLAG_SKIP_MULTICAST; + ULONG (WINAPI *fpGetAdaptersAddresses) + (ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG); + HMODULE iphlpapi = GetModuleHandle("iphlpapi"); + fpGetAdaptersAddresses = (void *) + (iphlpapi ? + GetProcAddress(iphlpapi, "GetAdaptersAddresses") : + NULL); + if (fpGetAdaptersAddresses) { + ip_adaddrs_p = ALLOC(ip_adaddrs_size); + for (i = 17; i; i--) { + ret = fpGetAdaptersAddresses( + family, flags, NULL, ip_adaddrs_p, &ip_adaddrs_size); + ip_adaddrs_p = REALLOC(ip_adaddrs_p, ip_adaddrs_size); + if (ret == NO_ERROR) break; + if (ret == ERROR_BUFFER_OVERFLOW) continue; + i = 0; + } + if (! i) { + FREE(ip_adaddrs_p); + ip_adaddrs_p = NULL; + } + } else ip_adaddrs_p = NULL; + } + + { + /* Load the IP_INTERFACE_INFO table (only IPv4 interfaces), + * reliable source of interface names on XP + */ + unsigned long info_size = 4 * 1024; + info_p = ALLOC(info_size); + for (i = 17; i; i--) { + ret = GetInterfaceInfo(info_p, &info_size); + info_p = REALLOC(info_p, info_size); + if (ret == NO_ERROR) break; + if (ret == ERROR_INSUFFICIENT_BUFFER) continue; + i = 0; + } + if (! i) { + FREE(info_p); + info_p = NULL; + } + } + + if (! ip_adaddrs_p) { + /* If GetAdaptersAddresses gave nothing we fall back to + * MIB_IPADDRTABLE (only IPv4 interfaces) + */ + unsigned long ip_addrs_size = 16 * sizeof(*ip_addrs_p); + ip_addrs_p = ALLOC(ip_addrs_size); + for (i = 17; i; i--) { + ret = GetIpAddrTable(ip_addrs_p, &ip_addrs_size, FALSE); + ip_addrs_p = REALLOC(ip_addrs_p, ip_addrs_size); + if (ret == NO_ERROR) break; + if (ret == ERROR_INSUFFICIENT_BUFFER) continue; + i = 0; + } + if (! i) { + if (info_p) FREE(info_p); + FREE(ip_addrs_p); + return ctl_reply(INET_REP_OK, NULL, 0, rbuf_pp, rsize); + } + } else ip_addrs_p = NULL; + + buf_p = buf_alloc_p = ALLOC(buf_size); + *buf_p++ = INET_REP_OK; + + /* Iterate over MIB_IPADDRTABLE or IP_ADAPTER_ADDRESSES */ + for (ia_p = NULL, ip_addrs_p ? ((void *)(i = 0)) : (ia_p = ip_adaddrs_p); + ip_addrs_p ? (i < ip_addrs_p->dwNumEntries) : (ia_p != NULL); + ip_addrs_p ? ((void *)(i++)) : (ia_p = ia_p->Next)) { + MIB_IPADDRROW *ipaddrrow_p = NULL; + DWORD flags = INET_IFF_MULTICAST; + DWORD index = 0; + WCHAR *wname_p = NULL; + MIB_IFROW ifrow; + + if (ip_addrs_p) { + ipaddrrow_p = ip_addrs_p->table + i; + index = ipaddrrow_p->dwIndex; + } else { + index = ia_p->IfIndex; + if (ia_p->Flags & IP_ADAPTER_NO_MULTICAST) { + flags &= ~INET_IFF_MULTICAST; + } + } +index: + if (! index) goto done; + sys_memzero(&ifrow, sizeof(ifrow)); + ifrow.dwIndex = index; + if (GetIfEntry(&ifrow) != NO_ERROR) break; + /* Find the interface name - first try MIB_IFROW.wzname */ + if (ifrow.wszName[0] != 0) { + wname_p = ifrow.wszName; + } else { + /* Then try IP_ADAPTER_INDEX_MAP.Name (only IPv4 adapters) */ + int j; + for (j = 0; j < info_p->NumAdapters; j++) { + if (info_p->Adapter[j].Index == (ULONG) ifrow.dwIndex) { + if (info_p->Adapter[j].Name[0] != 0) { + wname_p = info_p->Adapter[j].Name; + } + break; + } + } + } + if (wname_p) { + int len; + /* Convert interface name to UTF-8 */ + len = + WideCharToMultiByte( + CP_UTF8, 0, wname_p, -1, NULL, 0, NULL, NULL); + if (! len) break; + BUF_ENSURE(len); + WideCharToMultiByte( + CP_UTF8, 0, wname_p, -1, buf_p, len, NULL, NULL); + buf_p += len; + } else { + /* Found no name - + * use "MIB_IFROW.dwIndex: MIB_IFROW.bDescr" as name instead */ + int l; + l = utf8_len(ifrow.bDescr, ifrow.dwDescrLen); + BUF_ENSURE(9 + l+1); + buf_p += + erts_sprintf( + buf_p, "%lu: ", (unsigned long) ifrow.dwIndex); + utf8_encode(ifrow.bDescr, ifrow.dwDescrLen, buf_p); + buf_p += l; + *buf_p++ = '\0'; + } + /* Interface flags, often make up broadcast and multicast flags */ + switch (ifrow.dwType) { + case IF_TYPE_ETHERNET_CSMACD: + flags |= INET_IFF_BROADCAST; + break; + case IF_TYPE_SOFTWARE_LOOPBACK: + flags |= INET_IFF_LOOPBACK; + flags &= ~INET_IFF_MULTICAST; + break; + default: + flags &= ~INET_IFF_MULTICAST; + break; + } + if (ifrow.dwAdminStatus) { + flags |= INET_IFF_UP; + switch (ifrow.dwOperStatus) { + case IF_OPER_STATUS_CONNECTING: + flags |= INET_IFF_POINTTOPOINT; + break; + case IF_OPER_STATUS_CONNECTED: + flags |= INET_IFF_RUNNING | INET_IFF_POINTTOPOINT; + break; + case IF_OPER_STATUS_OPERATIONAL: + flags |= INET_IFF_RUNNING; + break; + } + } + BUF_ENSURE(1 + 4); + *buf_p++ = INET_IFOPT_FLAGS; + put_int32(flags, buf_p); buf_p += 4; + if (ipaddrrow_p) { + /* Legacy implementation through GetIpAddrTable */ + struct sockaddr_in sin; + /* IP Address */ + sys_memzero(&sin, sizeof(sin)); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = ipaddrrow_p->dwAddr; + BUF_ENSURE(1); + /* Netmask */ + SOCKADDR_TO_BUF(INET_IFOPT_ADDR, (struct sockaddr *) &sin); + sin.sin_addr.s_addr = ipaddrrow_p->dwMask; + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, (struct sockaddr *) &sin); + if (flags & INET_IFF_BROADCAST) { + /* Broadcast address - fake it*/ + sin.sin_addr.s_addr = ipaddrrow_p->dwAddr; + sin.sin_addr.s_addr |= ~ipaddrrow_p->dwMask; + BUF_ENSURE(1); + SOCKADDR_TO_BUF( + INET_IFOPT_BROADADDR, (struct sockaddr *) &sin); + } + } else { + IP_ADAPTER_UNICAST_ADDRESS *p; + /* IP Address(es) */ + for (p = ia_p->FirstUnicastAddress; + p; + p = p->Next) + { + IP_ADAPTER_PREFIX *q; + ULONG shortest_length; + struct sockaddr *shortest_p, *sa_p = p->Address.lpSockaddr; + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_ADDR, sa_p); + shortest_p = NULL; + shortest_length = 0; + for (q = ia_p->FirstPrefix; + q; + q = q->Next) { + struct sockaddr *sp_p = q->Address.lpSockaddr; + if (sa_p->sa_family != sp_p->sa_family) continue; + switch (sa_p->sa_family) { + case AF_INET: { + struct sockaddr_in sin; + DWORD sa, sp, mask; + sa = ntohl((DWORD) + ((struct sockaddr_in *) + sa_p)->sin_addr.s_addr); + sp = ntohl((DWORD) + ((struct sockaddr_in *) + sp_p)->sin_addr.s_addr); + mask = 0xFFFFFFFF << (32 - q->PrefixLength); + if ((sa & mask) != (sp & mask)) continue; + if ((! shortest_p) + || q->PrefixLength < shortest_length) { + shortest_p = sp_p; + shortest_length = q->PrefixLength; + } + } break; + case AF_INET6: { + struct sockaddr_in6 sin6; + if (!eq_masked_bytes((char *) + &((struct sockaddr_in6 *) + sa_p)->sin6_addr, + (char *) + &((struct sockaddr_in6 *) + sp_p)->sin6_addr, + q->PrefixLength)) { + continue; + } + if ((! shortest_p) + || q->PrefixLength < shortest_length) { + shortest_p = sp_p; + shortest_length = q->PrefixLength; + } + } break; + } + } + if (! shortest_p) { + /* Found no shortest prefix */ + shortest_p = sa_p; + switch (shortest_p->sa_family) { + case AF_INET: { + /* Fall back to old classfull network addresses */ + DWORD addr = ntohl(((struct sockaddr_in *)shortest_p) + ->sin_addr.s_addr); + if (! (addr & 0x800000)) { + /* Class A */ + shortest_length = 8; + } else if (! (addr & 0x400000)) { + /* Class B */ + shortest_length = 16; + } else if (! (addr & 0x200000)) { + /* Class C */ + shortest_length = 24; + } else { + shortest_length = 32; + } + } break; + case AF_INET6: { + /* Just play it safe */ + shortest_length = 128; + } break; + } + } + switch (shortest_p->sa_family) { + case AF_INET: { + struct sockaddr_in sin; + DWORD mask = 0xFFFFFFFF << (32 - shortest_length); + sys_memzero(&sin, sizeof(sin)); + sin.sin_family = shortest_p->sa_family; + sin.sin_addr.s_addr = htonl(mask); + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, + (struct sockaddr *) &sin); + if (flags & INET_IFF_BROADCAST) { + DWORD sp = + ntohl((DWORD) + ((struct sockaddr_in *)shortest_p) + -> sin_addr.s_addr); + sin.sin_addr.s_addr = htonl(sp | ~mask); + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_BROADADDR, + (struct sockaddr *) &sin); + } + } break; + case AF_INET6: { + struct sockaddr_in6 sin6; + sys_memzero(&sin6, sizeof(sin6)); + sin6.sin6_family = shortest_p->sa_family; + set_netmask_bytes((char *) &sin6.sin6_addr, + 16, + shortest_length); + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, + (struct sockaddr *) &sin6); + } break; + } + } + } + if (ifrow.dwPhysAddrLen) { + /* Hardware Address */ + BUF_ENSURE(1 + 2 + ifrow.dwPhysAddrLen); + *buf_p++ = INET_IFOPT_HWADDR; + put_int16(ifrow.dwPhysAddrLen, buf_p); buf_p += 2; + sys_memcpy(buf_p, ifrow.bPhysAddr, ifrow.dwPhysAddrLen); + buf_p += ifrow.dwPhysAddrLen; + } + +done: + /* That is all for this interface */ + BUF_ENSURE(1); + *buf_p++ = '\0'; + if (ia_p && + ia_p->Ipv6IfIndex && + ia_p->Ipv6IfIndex != index) + { + /* Oops, there was an other interface for IPv6. Possible? XXX */ + index = ia_p->Ipv6IfIndex; + goto index; + } + } + + if (ip_adaddrs_p) FREE(ip_adaddrs_p); + if (info_p) FREE(info_p); + if (ip_addrs_p) FREE(ip_addrs_p); + + buf_size = buf_p - buf_alloc_p; + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); + /* buf_p is now unreliable */ + *rbuf_pp = buf_alloc_p; + return buf_size; +# undef BUF_ENSURE +} + +#elif defined(HAVE_GETIFADDRS) + +static int inet_ctl_getifaddrs(inet_descriptor* desc_p, + char **rbuf_pp, int rsize) +{ + struct ifaddrs *ifa_p, *ifa_free_p; + + int buf_size; + char *buf_p; + char *buf_alloc_p; + + buf_size = 512; + buf_alloc_p = ALLOC(buf_size); + buf_p = buf_alloc_p; +# define BUF_ENSURE(Size) \ + do { \ + int NEED_, GOT_ = buf_p - buf_alloc_p; \ + NEED_ = GOT_ + (Size); \ + if (NEED_ > buf_size) { \ + buf_size = NEED_ + 512; \ + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \ + buf_p = buf_alloc_p + GOT_; \ + } \ + } while (0) +# define SOCKADDR_TO_BUF(opt, sa) \ + do { \ + if (sa) { \ + char *P_; \ + *buf_p++ = (opt); \ + while (! (P_ = sockaddr_to_buf((sa), buf_p, \ + buf_alloc_p+buf_size))) { \ + int GOT_ = buf_p - buf_alloc_p; \ + buf_size += 512; \ + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \ + buf_p = buf_alloc_p + GOT_; \ + } \ + if (P_ == buf_p) { \ + buf_p--; \ + } else { \ + buf_p = P_; \ + } \ + } \ + } while (0) + + if (getifaddrs(&ifa_p) < 0) { + return ctl_error(sock_errno(), rbuf_pp, rsize); + } + ifa_free_p = ifa_p; + *buf_p++ = INET_REP_OK; + for (; ifa_p; ifa_p = ifa_p->ifa_next) { + int len = utf8_len(ifa_p->ifa_name, -1); + BUF_ENSURE(len+1 + 1+4 + 1); + utf8_encode(ifa_p->ifa_name, -1, buf_p); + buf_p += len; + *buf_p++ = '\0'; + *buf_p++ = INET_IFOPT_FLAGS; + put_int32(IFGET_FLAGS(ifa_p->ifa_flags), buf_p); buf_p += 4; + if (ifa_p->ifa_addr->sa_family == AF_INET +#if defined(AF_INET6) + || ifa_p->ifa_addr->sa_family == AF_INET6 +#endif + ) { + SOCKADDR_TO_BUF(INET_IFOPT_ADDR, ifa_p->ifa_addr); + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, ifa_p->ifa_netmask); + if (ifa_p->ifa_flags & IFF_POINTOPOINT) { + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_DSTADDR, ifa_p->ifa_dstaddr); + } else if (ifa_p->ifa_flags & IFF_BROADCAST) { + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_BROADADDR, ifa_p->ifa_broadaddr); + } + } +#if defined(AF_LINK) || defined(AF_PACKET) + else if ( +#if defined(AF_LINK) + ifa_p->ifa_addr->sa_family == AF_LINK +#else + 0 +#endif +#if defined(AF_PACKET) + || ifa_p->ifa_addr->sa_family == AF_PACKET +#endif + ) { + char *bp = buf_p; + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_HWADDR, ifa_p->ifa_addr); + if (buf_p - bp < 4) buf_p = bp; /* Empty hwaddr */ + } +#endif + BUF_ENSURE(1); + *buf_p++ = '\0'; + } + buf_size = buf_p - buf_alloc_p; + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); + /* buf_p is now unreliable */ + freeifaddrs(ifa_free_p); + *rbuf_pp = buf_alloc_p; + return buf_size; +# undef BUF_ENSURE +} + +#else + +static int inet_ctl_getifaddrs(inet_descriptor* desc_p, + char **rbuf_pp, int rsize) +{ + return ctl_error(ENOTSUP, rbuf_pp, rsize); +} + +#endif + + + #ifdef VXWORKS /* ** THIS is a terrible creature, a bug in the TCP part @@ -5293,12 +5882,15 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len) if (pmtud_enable) cflags |= SPP_PMTUD_ENABLE; if (pmtud_disable) cflags |= SPP_PMTUD_DISABLE; +# ifdef HAVE_STRUCT_SCTP_PADDRPARAMS_SPP_SACKDELAY + /* The followings are missing in FreeBSD 7.1 */ sackdelay_enable =eflags& SCTP_FLAG_SACDELAY_ENABLE; sackdelay_disable=eflags& SCTP_FLAG_SACDELAY_DISABLE; if (sackdelay_enable && sackdelay_disable) return -1; if (sackdelay_enable) cflags |= SPP_SACKDELAY_ENABLE; if (sackdelay_disable) cflags |= SPP_SACKDELAY_DISABLE; +# endif arg.pap.spp_flags = cflags; # endif @@ -6199,13 +6791,15 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen, if (ap.spp_flags & SPP_PMTUD_DISABLE) { i = LOAD_ATOM (spec, i, am_pmtud_disable); n++; } - +# ifdef HAVE_STRUCT_SCTP_PADDRPARAMS_SPP_SACKDELAY + /* SPP_SACKDELAY_* not in FreeBSD 7.1 */ if (ap.spp_flags & SPP_SACKDELAY_ENABLE) { i = LOAD_ATOM (spec, i, am_sackdelay_enable); n++; } if (ap.spp_flags & SPP_SACKDELAY_DISABLE) { i = LOAD_ATOM (spec, i, am_sackdelay_disable); n++; } # endif +# endif PLACE_FOR(spec, i, LOAD_NIL_CNT + LOAD_LIST_CNT + 2*LOAD_TUPLE_CNT); @@ -6676,6 +7270,13 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, return inet_ctl_getiflist(desc, rbuf, rsize); } + case INET_REQ_GETIFADDRS: { + DEBUGF(("inet_ctl(%ld): GETIFADDRS\r\n", (long)desc->port)); + if (!IS_OPEN(desc)) + return ctl_xerror(EXBADPORT, rbuf, rsize); + return inet_ctl_getifaddrs(desc, rbuf, rsize); + } + case INET_REQ_IFGET: { DEBUGF(("inet_ctl(%ld): IFGET\r\n", (long)desc->port)); if (!IS_OPEN(desc)) diff --git a/erts/etc/common/inet_gethost.c b/erts/etc/common/inet_gethost.c index d3ff4874ac..e095836258 100644 --- a/erts/etc/common/inet_gethost.c +++ b/erts/etc/common/inet_gethost.c @@ -59,6 +59,7 @@ #define WIN32_LEAN_AND_MEAN #include <winsock2.h> #include <windows.h> +#include <ws2tcpip.h> #include <process.h> #include <stdio.h> #include <stdlib.h> diff --git a/erts/etc/win32/cygwin_tools/vc/ld.sh b/erts/etc/win32/cygwin_tools/vc/ld.sh index b04935ed9b..d3b53eb5bc 100755 --- a/erts/etc/win32/cygwin_tools/vc/ld.sh +++ b/erts/etc/win32/cygwin_tools/vc/ld.sh @@ -53,7 +53,7 @@ while test -n "$1" ; do STDLIB_FORCED=true; STDLIB=LIBCMTD.LIB;; -lsocket) - DEFAULT_LIBRARIES="$DEFAULT_LIBRARIES WS2_32.LIB";; + DEFAULT_LIBRARIES="$DEFAULT_LIBRARIES WS2_32.LIB IPHLPAPI.LIB";; -l*) y=`echo $x | sed 's,^-l\(.*\),\1,g'`; MPATH=`cygpath -m $y`; diff --git a/erts/preloaded/ebin/prim_inet.beam b/erts/preloaded/ebin/prim_inet.beam Binary files differindex a777971b32..3f53f35273 100644 --- a/erts/preloaded/ebin/prim_inet.beam +++ b/erts/preloaded/ebin/prim_inet.beam diff --git a/erts/preloaded/src/prim_inet.erl b/erts/preloaded/src/prim_inet.erl index 91d39c6a73..446656e45f 100644 --- a/erts/preloaded/src/prim_inet.erl +++ b/erts/preloaded/src/prim_inet.erl @@ -37,7 +37,7 @@ -export([setopt/3, setopts/2, getopt/2, getopts/2, is_sockopt_val/2]). -export([chgopt/3, chgopts/2]). -export([getstat/2, getfd/1, getindex/1, getstatus/1, gettype/1, - getiflist/1, ifget/3, ifset/3, + getifaddrs/1, getiflist/1, ifget/3, ifset/3, gethostname/1]). -export([getservbyname/3, getservbyport/3]). -export([peername/1, setpeername/2]). @@ -216,9 +216,10 @@ bindx(S, AddFlag, Addrs) -> sctp -> %% Really multi-homed "bindx". Stringified args: %% [AddFlag, (Port, IP)+]: - Args = ?int8(AddFlag) ++ - lists:concat([?int16(Port)++ip_to_bytes(IP) || - {IP, Port} <- Addrs]), + Args = + [?int8(AddFlag)| + [[?int16(Port)|ip_to_bytes(IP)] || + {IP, Port} <- Addrs]], case ctl_cmd(S, ?SCTP_REQ_BINDX, Args) of {ok,_} -> {ok, S}; Error -> Error @@ -623,7 +624,7 @@ chgopt(S, Opt, Value) when is_port(S) -> chgopts(S, [{Opt,Value}]). chgopts(S, Opts) when is_port(S), is_list(Opts) -> - case inet:getopts(S, need_template(Opts)) of + case getopts(S, need_template(Opts)) of {ok,Templates} -> try merge_options(Opts, Templates) of NewOpts -> @@ -636,7 +637,94 @@ chgopts(S, Opts) when is_port(S), is_list(Opts) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% -%% IFLIST(insock()) -> {ok,IfNameList} | {error, Reason} +%% getifaddrs(insock()) -> {ok,IfAddrsList} | {error, Reason} +%% +%% IfAddrsList = [{Name,[Opts]}] +%% Name = string() +%% Opts = {flags,[Flag]} | {addr,Addr} | {netmask,Addr} | {broadaddr,Addr} +%% | {dstaddr,Addr} | {hwaddr,HwAddr} | {mtu,integer()} +%% Flag = up | broadcast | loopback | running | multicast +%% Addr = ipv4addr() | ipv6addr() +%% HwAddr = ethernet_addr() +%% +%% get interface name and addresses list +%% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +getifaddrs(S) when is_port(S) -> + case ctl_cmd(S, ?INET_REQ_GETIFADDRS, []) of + {ok, Data} -> + {ok, comp_ifaddrs(build_ifaddrs(Data), ktree_empty())}; + {error,enotsup} -> + case getiflist(S) of + {ok, IFs} -> + {ok, getifaddrs_ifget(S, IFs)}; + Err1 -> Err1 + end; + Err2 -> Err2 + end. + +%% Restructure interface properties per interface and remove duplicates + +comp_ifaddrs([{If,Opts}|IfOpts], T) -> + case ktree_is_defined(If, T) of + true -> + OptSet = comp_ifaddrs_add(ktree_get(If, T), Opts), + comp_ifaddrs(IfOpts, ktree_update(If, OptSet, T)); + false -> + OptSet = comp_ifaddrs_add(ktree_empty(), Opts), + comp_ifaddrs(IfOpts, ktree_insert(If, OptSet, T)) + end; +comp_ifaddrs([], T) -> + [{If,ktree_keys(ktree_get(If, T))} || If <- ktree_keys(T)]. + +comp_ifaddrs_add(OptSet, [Opt|Opts]) -> + case ktree_is_defined(Opt, OptSet) of + true + when element(1, Opt) =:= flags; + element(1, Opt) =:= hwaddr -> + comp_ifaddrs_add(OptSet, Opts); + _ -> + comp_ifaddrs_add(ktree_insert(Opt, undefined, OptSet), Opts) + end; +comp_ifaddrs_add(OptSet, []) -> OptSet. + +%% Legacy emulation of getifaddrs + +getifaddrs_ifget(_, []) -> []; +getifaddrs_ifget(S, [IF|IFs]) -> + case ifget(S, IF, [flags]) of + {ok,[{flags,Flags}]=FlagsVals} -> + BroadOpts = + case member(broadcast, Flags) of + true -> + [broadaddr,hwaddr]; + false -> + [hwaddr] + end, + P2POpts = + case member(pointtopoint, Flags) of + true -> + [dstaddr|BroadOpts]; + false -> + BroadOpts + end, + getifaddrs_ifget(S, IFs, IF, FlagsVals, [addr,netmask|P2POpts]); + _ -> + getifaddrs_ifget(S, IFs, IF, [], [addr,netmask,hwaddr]) + end. + +getifaddrs_ifget(S, IFs, IF, FlagsVals, Opts) -> + OptVals = + case ifget(S, IF, Opts) of + {ok,OVs} -> OVs; + _ -> [] + end, + [{IF,FlagsVals++OptVals}|getifaddrs_ifget(S, IFs)]. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% +%% getiflist(insock()) -> {ok,IfNameList} | {error, Reason} %% %% get interface name list %% @@ -1325,6 +1413,19 @@ type_value_2({enum,List}, Enum) -> {value,_} -> true; false -> false end; +type_value_2(sockaddr, Addr) -> + case Addr of + any -> true; + loopback -> true; + {A,B,C,D} when ?ip(A,B,C,D) -> true; + {A,B,C,D,E,F,G,H} when ?ip6(A,B,C,D,E,F,G,H) -> true; + _ -> false + end; +type_value_2(linkaddr, Addr) when is_list(Addr) -> + case len(Addr, 32768) of + undefined -> false; + _ -> true + end; type_value_2({bitenumlist,List}, EnumList) -> case enum_vals(EnumList, List) of Ls when is_list(Ls) -> true; @@ -1413,14 +1514,21 @@ enc_value_2(addr, {any,Port}) -> [?INET_AF_ANY|?int16(Port)]; enc_value_2(addr, {loopback,Port}) -> [?INET_AF_LOOPBACK|?int16(Port)]; -enc_value_2(addr, {IP,Port}) -> - case tuple_size(IP) of - 4 -> - [?INET_AF_INET,?int16(Port)|ip4_to_bytes(IP)]; - 8 -> - [?INET_AF_INET6,?int16(Port)|ip6_to_bytes(IP)] - end; +enc_value_2(addr, {IP,Port}) when tuple_size(IP) =:= 4 -> + [?INET_AF_INET,?int16(Port)|ip4_to_bytes(IP)]; +enc_value_2(addr, {IP,Port}) when tuple_size(IP) =:= 8 -> + [?INET_AF_INET6,?int16(Port)|ip6_to_bytes(IP)]; enc_value_2(ether, [X1,X2,X3,X4,X5,X6]) -> [X1,X2,X3,X4,X5,X6]; +enc_value_2(sockaddr, any) -> + [?INET_AF_ANY]; +enc_value_2(sockaddr, loopback) -> + [?INET_AF_LOOPBACK]; +enc_value_2(sockaddr, IP) when tuple_size(IP) =:= 4 -> + [?INET_AF_INET|ip4_to_bytes(IP)]; +enc_value_2(sockaddr, IP) when tuple_size(IP) =:= 8 -> + [?INET_AF_INET6|ip6_to_bytes(IP)]; +enc_value_2(linkaddr, Linkaddr) -> + [?int16(length(Linkaddr)),Linkaddr]; enc_value_2(sctp_assoc_id, Val) -> ?int32(Val); %% enc_value_2(sctp_assoc_id, Bin) -> [byte_size(Bin),Bin]; enc_value_2({enum,List}, Enum) -> @@ -1465,6 +1573,10 @@ dec_value(time, [X3,X2,X1,X0|T]) -> end; dec_value(ip, [A,B,C,D|T]) -> {{A,B,C,D}, T}; dec_value(ether,[X1,X2,X3,X4,X5,X6|T]) -> {[X1,X2,X3,X4,X5,X6],T}; +dec_value(sockaddr, [X|T]) -> + get_ip(X, T); +dec_value(linkaddr, [X1,X0|T]) -> + split(?i16(X1,X0), T); dec_value({enum,List}, [X3,X2,X1,X0|T]) -> Val = ?i32(X3,X2,X1,X0), case enum_name(Val, List) of @@ -1480,7 +1592,7 @@ dec_value({bitenumlist,List}, [X3,X2,X1,X0|T]) -> %% {enum_names(Val, List), T}; dec_value(binary,[L0,L1,L2,L3|List]) -> Len = ?i32(L0,L1,L2,L3), - {X,T}=lists:split(Len,List), + {X,T}=split(Len,List), {list_to_binary(X),T}; dec_value(Types, List) when is_tuple(Types) -> {L,T} = dec_value_tuple(Types, List, 1, []), @@ -1495,7 +1607,7 @@ dec_value_tuple(Types, List, N, Acc) {Term,Tail} = dec_value(element(N, Types), List), dec_value_tuple(Types, Tail, N+1, [Term|Acc]); dec_value_tuple(_, List, _, Acc) -> - {lists:reverse(Acc),List}. + {rev(Acc),List}. borlist([V|Vs], Value) -> borlist(Vs, V bor Value); @@ -1702,11 +1814,11 @@ merge_fields(_, _, _) -> []. %% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -type_ifopt(addr) -> ip; -type_ifopt(broadaddr) -> ip; -type_ifopt(dstaddr) -> ip; +type_ifopt(addr) -> sockaddr; +type_ifopt(broadaddr) -> sockaddr; +type_ifopt(dstaddr) -> sockaddr; type_ifopt(mtu) -> int; -type_ifopt(netmask) -> ip; +type_ifopt(netmask) -> sockaddr; type_ifopt(flags) -> {bitenumlist, [{up, ?INET_IFF_UP}, @@ -1718,7 +1830,7 @@ type_ifopt(flags) -> {no_pointtopoint, ?INET_IFF_NPOINTTOPOINT}, {running, ?INET_IFF_RUNNING}, {multicast, ?INET_IFF_MULTICAST}]}; -type_ifopt(hwaddr) -> ether; +type_ifopt(hwaddr) -> linkaddr; type_ifopt(Opt) when is_atom(Opt) -> undefined. enc_ifopt(addr) -> ?INET_IFOPT_ADDR; @@ -1903,6 +2015,30 @@ encode_ifname(Name) -> if N > 255 -> {error, einval}; true -> {ok,[N | Name]} end. + +build_ifaddrs(Cs) -> + build_ifaddrs(Cs, []). +%% +build_ifaddrs([], []) -> + []; +build_ifaddrs([0|Cs], Acc) -> + Name = utf8_to_characters(rev(Acc)), + {Opts,Rest} = build_ifaddrs_opts(Cs, []), + [{Name,Opts}|build_ifaddrs(Rest)]; +build_ifaddrs([C|Cs], Acc) -> + build_ifaddrs(Cs, [C|Acc]). + +build_ifaddrs_opts([0|Cs], Acc) -> + {rev(Acc),Cs}; +build_ifaddrs_opts([C|Cs]=CCs, Acc) -> + case dec_ifopt(C) of + undefined -> + erlang:error(badarg, [CCs,Acc]); + Opt -> + Type = type_ifopt(Opt), + {Val,Rest} = dec_value(Type, Cs), + build_ifaddrs_opts(Rest, [{Opt,Val}|Acc]) + end. build_iflist(Cs) -> build_iflist(Cs, [], []). @@ -1927,6 +2063,80 @@ rev(L) -> rev(L,[]). rev([C|L],Acc) -> rev(L,[C|Acc]); rev([],Acc) -> Acc. +split(N, L) -> split(N, L, []). +split(0, L, R) when is_list(L) -> {rev(R),L}; +split(N, [H|T], R) when is_integer(N), N > 0 -> split(N-1, T, [H|R]). + +len(L, N) -> len(L, N, 0). +len([], N, C) when is_integer(N), N >= 0 -> C; +len(L, 0, _) when is_list(L) -> undefined; +len([_|L], N, C) when is_integer(N), N >= 0 -> len(L, N-1, C+1). + +member(X, [X|_]) -> true; +member(X, [_|Xs]) -> member(X, Xs); +member(_, []) -> false. + + + +%% Lookup tree that keeps key insert order + +ktree_empty() -> {[],tree()}. +ktree_is_defined(Key, {_,T}) -> tree(T, Key, is_defined). +ktree_get(Key, {_,T}) -> tree(T, Key, get). +ktree_insert(Key, V, {Keys,T}) -> {[Key|Keys],tree(T, Key, {insert,V})}. +ktree_update(Key, V, {Keys,T}) -> {Keys,tree(T, Key, {update,V})}. +ktree_keys({Keys,_}) -> rev(Keys). + +%% Simple lookup tree. Hash the key to get statistical balance. +%% Key is matched equal, not compared equal. + +tree() -> nil. +tree(T, Key, Op) -> tree(T, Key, Op, erlang:phash2(Key)). + +tree(nil, _, is_defined, _) -> false; +tree(nil, K, {insert,V}, _) -> {K,V,nil,nil}; +tree({K,_,_,_}, K, is_defined, _) -> true; +tree({K,V,_,_}, K, get, _) -> V; +tree({K,_,L,R}, K, {update,V}, _) -> {K,V,L,R}; +tree({K0,V0,L,R}, K, Op, H) -> + H0 = erlang:phash2(K0), + if H0 < H; H0 =:= H, K0 < K -> + if is_tuple(Op) -> + {K0,V0,tree(L, K, Op, H),R}; + true -> + tree(L, K, Op, H) + end; + true -> + if is_tuple(Op) -> + {K0,V0,L,tree(R, K, Op, H)}; + true -> + tree(R, K, Op, H) + end + end. + + + +utf8_to_characters([]) -> []; +utf8_to_characters([B|Bs]=Arg) when (B band 16#FF) =:= B -> + if 16#F8 =< B -> + erlang:error(badarg, [Arg]); + 16#F0 =< B -> + utf8_to_characters(Bs, B band 16#07, 3); + 16#E0 =< B -> + utf8_to_characters(Bs, B band 16#0F, 2); + 16#C0 =< B -> + utf8_to_characters(Bs, B band 16#1F, 1); + 16#80 =< B -> + erlang:error(badarg, [Arg]); + true -> + [B|utf8_to_characters(Bs)] + end. +%% +utf8_to_characters(Bs, U, 0) -> + [U|utf8_to_characters(Bs)]; +utf8_to_characters([B|Bs], U, N) when ((B band 16#3F) bor 16#80) =:= B -> + utf8_to_characters(Bs, (U bsl 6) bor (B band 16#3F), N-1). + ip_to_bytes(IP) when tuple_size(IP) =:= 4 -> ip4_to_bytes(IP); ip_to_bytes(IP) when tuple_size(IP) =:= 8 -> ip6_to_bytes(IP). |