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path: root/erts/emulator/drivers/common/inet_drv.c
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Diffstat (limited to 'erts/emulator/drivers/common/inet_drv.c')
-rw-r--r--erts/emulator/drivers/common/inet_drv.c153
1 files changed, 142 insertions, 11 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 634fc8e8e0..ee5ebdf646 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -110,6 +110,77 @@
#undef EWOULDBLOCK
#undef ETIMEDOUT
+#ifdef EINPROGRESS
+#undef EINPROGRESS
+#endif
+#ifdef EALREADY
+#undef EALREADY
+#endif
+#ifdef ENOTSOCK
+#undef ENOTSOCK
+#endif
+#ifdef EDESTADDRREQ
+#undef EDESTADDRREQ
+#endif
+#ifdef EMSGSIZE
+#undef EMSGSIZE
+#endif
+#ifdef EPROTOTYPE
+#undef EPROTOTYPE
+#endif
+#ifdef ENOPROTOOPT
+#undef ENOPROTOOPT
+#endif
+#ifdef EPROTONOSUPPORT
+#undef EPROTONOSUPPORT
+#endif
+#ifdef EOPNOTSUPP
+#undef EOPNOTSUPP
+#endif
+#ifdef EAFNOSUPPORT
+#undef EAFNOSUPPORT
+#endif
+#ifdef EADDRINUSE
+#undef EADDRINUSE
+#endif
+#ifdef EADDRNOTAVAIL
+#undef EADDRNOTAVAIL
+#endif
+#ifdef ENETDOWN
+#undef ENETDOWN
+#endif
+#ifdef ENETUNREACH
+#undef ENETUNREACH
+#endif
+#ifdef ENETRESET
+#undef ENETRESET
+#endif
+#ifdef ECONNABORTED
+#undef ECONNABORTED
+#endif
+#ifdef ECONNRESET
+#undef ECONNRESET
+#endif
+#ifdef ENOBUFS
+#undef ENOBUFS
+#endif
+#ifdef EISCONN
+#undef EISCONN
+#endif
+#ifdef ENOTCONN
+#undef ENOTCONN
+#endif
+#ifdef ECONNREFUSED
+#undef ECONNREFUSED
+#endif
+#ifdef ELOOP
+#undef ELOOP
+#endif
+#ifdef EHOSTUNREACH
+#undef EHOSTUNREACH
+#endif
+
+
#define HAVE_MULTICAST_SUPPORT
#define ERRNO_BLOCK WSAEWOULDBLOCK
@@ -468,6 +539,13 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
(((unsigned char*) (s))[1] << 8) | \
(((unsigned char*) (s))[0]))
+
+#ifdef VALGRIND
+# include <valgrind/memcheck.h>
+#else
+# define VALGRIND_MAKE_MEM_DEFINED(ptr,size)
+#endif
+
/*----------------------------------------------------------------------------
** Interface constants.
**
@@ -4239,6 +4317,31 @@ 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
@@ -4274,7 +4377,24 @@ 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);
@@ -4283,7 +4403,7 @@ 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));
@@ -6082,7 +6202,7 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
proto = IPPROTO_SCTP;
type = SCTP_DELAYED_ACK_TIME;
arg_ptr = (char*) (&arg.av);
- arg_sz = sizeof ( arg.es);
+ arg_sz = sizeof ( arg.av);
break;
}
# endif
@@ -8622,8 +8742,15 @@ static int tcp_remain(tcp_descriptor* desc, int* len)
else if (tlen == 0) { /* need unknown more */
*len = 0;
if (nsz == 0) {
- if (nfill == n)
- goto error;
+ if (nfill == n) {
+ if (desc->inet.psize != 0 && desc->inet.psize > nfill) {
+ if (tcp_expand_buffer(desc, desc->inet.psize) < 0)
+ return -1;
+ return desc->inet.psize;
+ }
+ else
+ goto error;
+ }
DEBUGF((" => restart more=%d\r\n", nfill - n));
return nfill - n;
}
@@ -10131,6 +10258,7 @@ static void packet_inet_command(ErlDrvData e, char* buf, int len)
cmsg.hdr.cmsg_level = IPPROTO_SCTP;
cmsg.hdr.cmsg_type = SCTP_SNDRCV;
cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(*sri));
+ VALGRIND_MAKE_MEM_DEFINED(&cmsg, (char*)sri - (char*)&cmsg); /*suppress padding as "uninitialised bytes"*/
data_len = (buf + len) - ptr;
/* The whole msg.
@@ -10328,6 +10456,7 @@ 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;
@@ -10341,17 +10470,19 @@ 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
@@ -10359,8 +10490,8 @@ 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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-18 00:41:55 +0000