diff options
Diffstat (limited to 'erts/emulator/drivers')
-rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 61 |
1 files changed, 53 insertions, 8 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 56799555a9..7d952b0c71 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -4233,6 +4233,31 @@ static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize) return sp - sbuf; } +#ifdef HAVE_LIBDLPI_H +#include <libdlpi.h> +static int hwaddr_libdlpi_lookup(const char *ifnm, + uchar_t *addr, size_t *alen) +{ + dlpi_handle_t handle; + dlpi_info_t linkinfo; + int ret = -1; + + if (dlpi_open(ifnm, &handle, 0) != DLPI_SUCCESS) { + return -1; + } + + if (dlpi_get_physaddr(handle, DL_CURR_PHYS_ADDR, + addr, alen) == DLPI_SUCCESS && + dlpi_info(handle, &linkinfo, 0) == DLPI_SUCCESS) + { + ret = 0; + } + + dlpi_close(handle); + return ret; +} +#endif + /* FIXME: temporary hack */ #ifndef IFHWADDRLEN #define IFHWADDRLEN 6 @@ -4268,7 +4293,24 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, break; case INET_IFOPT_HWADDR: { -#ifdef SIOCGIFHWADDR +#ifdef HAVE_LIBDLPI_H + /* + ** OpenSolaris have SIGCGIFHWADDR, but no ifr_hwaddr member.. + ** The proper way to get the mac address would be to + ** use libdlpi... + */ + uchar_t addr[DLPI_PHYSADDR_MAX]; + size_t alen = sizeof(addr); + + if (hwaddr_libdlpi_lookup(ifreq.ifr_name, addr, &alen) == 0) { + buf_check(sptr, s_end, 1+2+alen); + *sptr++ = INET_IFOPT_HWADDR; + put_int16(alen, sptr); + sptr += 2; + sys_memcpy(sptr, addr, alen); + sptr += alen; + } +#elif defined(SIOCGIFHWADDR) && defined(HAVE_STRUCT_IFREQ_IFR_HWADDR) if (ioctl(desc->s, SIOCGIFHWADDR, (char *)&ifreq) < 0) break; buf_check(sptr, s_end, 1+2+IFHWADDRLEN); @@ -4277,7 +4319,7 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, /* raw memcpy (fix include autoconf later) */ sys_memcpy(sptr, (char*)(&ifreq.ifr_hwaddr.sa_data), IFHWADDRLEN); sptr += IFHWADDRLEN; -#elif defined(SIOCGENADDR) +#elif defined(SIOCGENADDR) && defined(HAVE_STRUCT_IFREQ_IFR_ENADDR) if (ioctl(desc->s, SIOCGENADDR, (char *)&ifreq) < 0) break; buf_check(sptr, s_end, 1+2+sizeof(ifreq.ifr_enaddr)); @@ -10322,6 +10364,7 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) int code; void * extra = NULL; char * ptr; + int nsz; inet_input_count(desc, n); udesc->i_ptr += n; @@ -10335,17 +10378,19 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) ptr = udesc->i_buf->orig_bytes + sizeof(other) - len; sys_memcpy(ptr, abuf, len); + nsz = udesc->i_ptr - ptr; + /* Check if we need to reallocate binary */ - if ((desc->mode == INET_MODE_BINARY) && - (desc->hsz < (udesc->i_ptr - ptr)) && - ((udesc->i_ptr - ptr) + BIN_REALLOC_MARGIN(desc->bufsz) >= - udesc->i_bufsz)) { + if ((desc->mode == INET_MODE_BINARY) + && (desc->hsz < (nsz - len)) + && (nsz + BIN_REALLOC_MARGIN(desc->bufsz) < udesc->i_bufsz)) { ErlDrvBinary* tmp; int bufsz; bufsz = udesc->i_ptr - udesc->i_buf->orig_bytes; if ((tmp = realloc_buffer(udesc->i_buf, bufsz)) != NULL) { udesc->i_buf = tmp; udesc->i_bufsz = bufsz; + udesc->i_ptr = NULL; /* not used from here */ } } #ifdef HAVE_SCTP @@ -10353,8 +10398,8 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) #endif /* Actual parsing and return of the data received, occur here: */ code = packet_reply_binary_data(desc, len, udesc->i_buf, - ptr - udesc->i_buf->orig_bytes, - udesc->i_ptr - ptr, + (sizeof(other) - len), + nsz, extra); free_buffer(udesc->i_buf); udesc->i_buf = NULL; |