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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.c96
1 files changed, 72 insertions, 24 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index bf376f0494..8f4fff0f40 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -1228,6 +1228,27 @@ struct erl_drv_entry inet_driver_entry =
NULL,
};
+#if HAVE_IN6
+# if ! defined(HAVE_IN6ADDR_ANY) || ! HAVE_IN6ADDR_ANY
+# if HAVE_DECL_IN6ADDR_ANY_INIT
+static const struct in6_addr in6addr_any = { { IN6ADDR_ANY_INIT } };
+# else
+static const struct in6_addr in6addr_any =
+ { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } };
+# endif /* HAVE_IN6ADDR_ANY_INIT */
+# endif /* ! HAVE_DECL_IN6ADDR_ANY */
+
+# if ! defined(HAVE_IN6ADDR_LOOPBACK) || ! HAVE_IN6ADDR_LOOPBACK
+# if HAVE_DECL_IN6ADDR_LOOPBACK_INIT
+static const struct in6_addr in6addr_loopback =
+ { { IN6ADDR_LOOPBACK_INIT } };
+# else
+static const struct in6_addr in6addr_loopback =
+ { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } };
+# endif /* HAVE_IN6ADDR_LOOPBACk_INIT */
+# endif /* ! HAVE_DECL_IN6ADDR_LOOPBACK */
+#endif /* HAVE_IN6 */
+
/* XXX: is this a driver interface function ??? */
void erl_exit(int n, char*, ...);
@@ -3124,6 +3145,7 @@ static int tcp_message(inet_descriptor* desc, const char* buf, int len)
int i = 0;
DEBUGF(("tcp_message(%ld): len = %d\r\n", (long)desc->port, len));
+ /* XXX fprintf(stderr,"tcp_message send.\r\n"); */
i = LOAD_ATOM(spec, i, am_tcp);
i = LOAD_PORT(spec, i, desc->dport);
@@ -3705,6 +3727,9 @@ static char* inet_set_address(int family, inet_address* dst,
if ((family == AF_INET) && (*len >= 2+4)) {
sys_memzero((char*)dst, sizeof(struct sockaddr_in));
port = get_int16(src);
+#ifndef NO_SA_LEN
+ dst->sai.sin_len = sizeof(struct sockaddr_in);
+#endif
dst->sai.sin_family = family;
dst->sai.sin_port = sock_htons(port);
sys_memcpy(&dst->sai.sin_addr, src+2, 4);
@@ -3715,6 +3740,9 @@ static char* inet_set_address(int family, inet_address* dst,
else if ((family == AF_INET6) && (*len >= 2+16)) {
sys_memzero((char*)dst, sizeof(struct sockaddr_in6));
port = get_int16(src);
+#ifndef NO_SA_LEN
+ dst->sai6.sin6_len = sizeof(struct sockaddr_in6);
+#endif
dst->sai6.sin6_family = family;
dst->sai6.sin6_port = sock_htons(port);
dst->sai6.sin6_flowinfo = 0; /* XXX this may be set as well ?? */
@@ -3725,7 +3753,7 @@ static char* inet_set_address(int family, inet_address* dst,
#endif
return NULL;
}
-#ifdef HAVE_SCTP
+
/*
** Set an inaddr structure, address family comes from source data,
** or from argument if source data specifies constant address.
@@ -3769,6 +3797,9 @@ static char *inet_set_faddress(int family, inet_address* dst,
return NULL;
}
sys_memzero((char*)dst, sizeof(struct sockaddr_in));
+#ifndef NO_SA_LEN
+ dst->sai.sin_len = sizeof(struct sockaddr_in6);
+#endif
dst->sai.sin_family = family;
dst->sai.sin_port = sock_htons(port);
dst->sai.sin_addr.s_addr = addr.s_addr;
@@ -3788,6 +3819,9 @@ static char *inet_set_faddress(int family, inet_address* dst,
return NULL;
}
sys_memzero((char*)dst, sizeof(struct sockaddr_in6));
+#ifndef NO_SA_LEN
+ dst->sai6.sin6_len = sizeof(struct sockaddr_in6);
+#endif
dst->sai6.sin6_family = family;
dst->sai6.sin6_port = sock_htons(port);
dst->sai6.sin6_flowinfo = 0; /* XXX this may be set as well ?? */
@@ -3805,7 +3839,7 @@ static char *inet_set_faddress(int family, inet_address* dst,
}
return inet_set_address(family, dst, src, len);
}
-#endif /* HAVE_SCTP */
+
/* Get a inaddr structure
** src = inaddr structure
@@ -5426,6 +5460,7 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
if (IS_SCTP(desc))
return sctp_set_opts(desc, ptr, len);
#endif
+ /* XXX { int i; for(i=0;i<len;++i) fprintf(stderr,"0x%02X, ", (unsigned) ptr[i]); fprintf(stderr,"\r\n");} */
while(len >= 5) {
opt = *ptr++;
@@ -5755,10 +5790,16 @@ skip_os_setopt:
if (desc->active != old_active)
sock_select(desc, (FD_READ|FD_CLOSE), (desc->active>0));
+ /* XXX: UDP sockets could also trigger immediate read here NIY */
if ((desc->stype==SOCK_STREAM) && desc->active) {
if (!old_active || (desc->htype != old_htype)) {
/* passive => active change OR header type change in active mode */
- return 1;
+ /* Return > 1 if only active changed to INET_ONCE -> direct read if
+ header type is unchanged. */
+ /* XXX fprintf(stderr,"desc->htype == %d, old_htype == %d,
+ desc->active == %d, old_active == %d\r\n",(int)desc->htype,
+ (int) old_htype, (int) desc->active, (int) old_active );*/
+ return 1+(desc->htype == old_htype && desc->active == INET_ONCE);
}
return 0;
}
@@ -7592,17 +7633,27 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf,
case INET_REQ_SETOPTS: { /* set options */
DEBUGF(("inet_ctl(%ld): SETOPTS\r\n", (long)desc->port));
+ /* XXX fprintf(stderr,"inet_ctl(%ld): SETOPTS (len = %d)\r\n", (long)desc->port,(int) len); */
switch(inet_set_opts(desc, buf, len)) {
case -1:
return ctl_error(EINVAL, rbuf, rsize);
case 0:
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
- default: /* active/passive change!! */
+ case 1:
/*
* Let's hope that the descriptor really is a tcp_descriptor here.
*/
+ /* fprintf(stderr,"Triggered tcp_deliver by setopt.\r\n"); */
tcp_deliver((tcp_descriptor *) desc, 0);
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
+ default:
+ /* fprintf(stderr,"Triggered tcp_recv by setopt.\r\n"); */
+ /*
+ * Same as above, but active changed to once w/o header type
+ * change, so try a read instead of just deliver.
+ */
+ tcp_recv((tcp_descriptor *) desc, 0);
+ return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
}
}
@@ -7753,7 +7804,7 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf,
if (desc->state != INET_STATE_OPEN)
return ctl_xerror(EXBADPORT, rbuf, rsize);
- if (inet_set_address(desc->sfamily, &local, buf, &len) == NULL)
+ if (inet_set_faddress(desc->sfamily, &local, buf, &len) == NULL)
return ctl_error(EINVAL, rbuf, rsize);
if (IS_SOCKET_ERROR(sock_bind(desc->s,(struct sockaddr*) &local, len)))
@@ -9196,6 +9247,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
#endif
ASSERT(!INETP(desc)->is_ignored);
DEBUGF(("tcp_inet_input(%ld) {s=%d\r\n", port, desc->inet.s));
+ /* XXX fprintf(stderr,"tcp_inet_input(%ld) {s=%d}\r\n",(long) desc->inet.port, desc->inet.s); */
if (desc->inet.state == INET_STATE_ACCEPTING) {
SOCKET s;
unsigned int len;
@@ -10117,12 +10169,13 @@ static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf,
case SCTP_REQ_BINDX:
{ /* Multi-homing bind for SCTP: */
- /* Construct the list of addresses we bind to. The curr limit is
- 256 addrs. Buff structure: Flags(1), ListItem,...:
+ /* Add additional addresses by calling sctp_bindx with one address
+ at a time, since this is what some OSes promise will work.
+ Buff structure: Flags(1), ListItem,...:
*/
- struct sockaddr addrs[256];
+ inet_address addr;
char* curr;
- int add_flag, n, rflag;
+ int add_flag, rflag;
if (!IS_SCTP(desc))
return ctl_xerror(EXBADPORT, rbuf, rsize);
@@ -10131,27 +10184,22 @@ static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf,
add_flag = get_int8(curr);
curr++;
- for(n=0; n < 256 && curr < buf+len; n++)
+ /* Make the real flags: */
+ rflag = add_flag ? SCTP_BINDX_ADD_ADDR : SCTP_BINDX_REM_ADDR;
+
+ while (curr < buf+len)
{
- /* List item format: Port(2), IP(4|16) -- compatible with
- "inet_set_address": */
- inet_address tmp;
+ /* List item format: see "inet_set_faddress": */
ErlDrvSizeT alen = buf + len - curr;
- curr = inet_set_address(desc->sfamily, &tmp, curr, &alen);
+ curr = inet_set_faddress(desc->sfamily, &addr, curr, &alen);
if (curr == NULL)
return ctl_error(EINVAL, rbuf, rsize);
- /* Now: we need to squeeze "tmp" into the size of "sockaddr",
- which is smaller than "tmp" for IPv6 (extra IN6 info will
- be cut off): */
- memcpy(addrs + n, &tmp, sizeof(struct sockaddr));
+ /* Invoke the call: */
+ if (p_sctp_bindx(desc->s, (struct sockaddr *)&addr, 1,
+ rflag) < 0)
+ return ctl_error(sock_errno(), rbuf, rsize);
}
- /* Make the real flags: */
- rflag = add_flag ? SCTP_BINDX_ADD_ADDR : SCTP_BINDX_REM_ADDR;
-
- /* Invoke the call: */
- if (p_sctp_bindx(desc->s, addrs, n, rflag) < 0)
- return ctl_error(sock_errno(), rbuf, rsize);
desc->state = INET_STATE_BOUND;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 09:06:27 +0000