mirror/emacs
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-12-04 08:47:11 +00:00
Code Issues Releases Activity

fixup! Implement hostname->ip lookup function

Browse Source
This commit is contained in:
Robert Pluim 2019-08-07 13:55:38 +02:00
parent 742c2344bf
commit 76662cc47d
3 changed files with 25 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
src/process.c
View File

@ -2488,7 +2488,7 @@ usage: (make-pipe-process &rest ARGS) */)
The address family of sa is not included in the result. */
Lisp_Object
conv_sockaddr_to_lisp (struct sockaddr *sa, ptrdiff_t len, bool include_port)
conv_sockaddr_to_lisp (struct sockaddr *sa, ptrdiff_t len)
{
Lisp_Object address;
ptrdiff_t i;
@ -2507,12 +2507,9 @@ conv_sockaddr_to_lisp (struct sockaddr *sa, ptrdiff_t len, bool include_port)
{
DECLARE_POINTER_ALIAS (sin, struct sockaddr_in, sa);
len = sizeof (sin->sin_addr) + 1;
if (!include_port)
len--;
address = Fmake_vector (make_number (len), Qnil);
p = XVECTOR (address);
if (include_port)
p->contents[--len] = make_number (ntohs (sin->sin_port));
p->contents[--len] = make_number (ntohs (sin->sin_port));
cp = (unsigned char *) &sin->sin_addr;
break;
}
@ -2522,12 +2519,9 @@ conv_sockaddr_to_lisp (struct sockaddr *sa, ptrdiff_t len, bool include_port)
DECLARE_POINTER_ALIAS (sin6, struct sockaddr_in6, sa);
DECLARE_POINTER_ALIAS (ip6, uint16_t, &sin6->sin6_addr);
len = sizeof (sin6->sin6_addr) / 2 + 1;
if (!include_port)
len--;
address = Fmake_vector (make_number (len), Qnil);
p = XVECTOR (address);
if (include_port)
p->contents[--len] = make_number (ntohs (sin6->sin6_port));
p->contents[--len] = make_number (ntohs (sin6->sin6_port));
for (i = 0; i < len; i++)
p->contents[i] = make_number (ntohs (ip6[i]));
return address;
@ -2578,7 +2572,7 @@ conv_addrinfo_to_lisp (struct addrinfo *res)
{
Lisp_Object protocol = make_number (res->ai_protocol);
eassert (XINT (protocol) == res->ai_protocol);
return Fcons (protocol, conv_sockaddr_to_lisp (res->ai_addr, res->ai_addrlen, true));
return Fcons (protocol, conv_sockaddr_to_lisp (res->ai_addr, res->ai_addrlen));
}
@ -2720,8 +2714,7 @@ set up yet, this function will block until socket setup has completed. */)
channel = XPROCESS (process)->infd;
return conv_sockaddr_to_lisp (datagram_address[channel].sa,
datagram_address[channel].len,
true);
datagram_address[channel].len);
}
DEFUN ("set-process-datagram-address", Fset_process_datagram_address, Sset_process_datagram_address,
@ -3582,7 +3575,7 @@ connect_network_socket (Lisp_Object proc, Lisp_Object addrinfos,
#endif
contact = Fplist_put (contact, p->is_server? QClocal: QCremote,
conv_sockaddr_to_lisp (sa, addrlen, true));
conv_sockaddr_to_lisp (sa, addrlen));
#ifdef HAVE_GETSOCKNAME
if (!p->is_server)
{
@ -3591,7 +3584,7 @@ connect_network_socket (Lisp_Object proc, Lisp_Object addrinfos,
DECLARE_POINTER_ALIAS (psa1, struct sockaddr, &sa1);
if (getsockname (s, psa1, &len1) == 0)
contact = Fplist_put (contact, QClocal,
conv_sockaddr_to_lisp (psa1, len1, true));
conv_sockaddr_to_lisp (psa1, len1));
}
#endif
}
@ -4255,8 +4248,7 @@ network_interface_list (void)
namebuf[sizeof (ifq->ifr_name)] = 0;
res = Fcons (Fcons (build_string (namebuf),
conv_sockaddr_to_lisp (&ifq->ifr_addr,
sizeof (struct sockaddr),
true)),
sizeof (struct sockaddr))),
res);
}
@ -4459,9 +4451,9 @@ network_interface_info (Lisp_Object ifname)
{
any = 1;
#ifdef HAVE_STRUCT_IFREQ_IFR_NETMASK
elt = conv_sockaddr_to_lisp (&rq.ifr_netmask, sizeof (rq.ifr_netmask), true);
elt = conv_sockaddr_to_lisp (&rq.ifr_netmask, sizeof (rq.ifr_netmask));
#else
elt = conv_sockaddr_to_lisp (&rq.ifr_addr, sizeof (rq.ifr_addr), true);
elt = conv_sockaddr_to_lisp (&rq.ifr_addr, sizeof (rq.ifr_addr));
#endif
}
#endif
@ -4472,7 +4464,7 @@ network_interface_info (Lisp_Object ifname)
if (ioctl (s, SIOCGIFBRDADDR, &rq) == 0)
{
any = 1;
elt = conv_sockaddr_to_lisp (&rq.ifr_broadaddr, sizeof (rq.ifr_broadaddr), true);
elt = conv_sockaddr_to_lisp (&rq.ifr_broadaddr, sizeof (rq.ifr_broadaddr));
}
#endif
res = Fcons (elt, res);
@ -4482,7 +4474,7 @@ network_interface_info (Lisp_Object ifname)
if (ioctl (s, SIOCGIFADDR, &rq) == 0)
{
any = 1;
elt = conv_sockaddr_to_lisp (&rq.ifr_addr, sizeof (rq.ifr_addr), true);
elt = conv_sockaddr_to_lisp (&rq.ifr_addr, sizeof (rq.ifr_addr));
}
#endif
res = Fcons (elt, res);
@ -4602,7 +4594,7 @@ nil if none were found. Each address is a vector of integers. */)
for (lres = res; lres; lres = lres->ai_next)
{
addresses = Fcons (conv_sockaddr_to_lisp
(lres->ai_addr, lres->ai_addrlen, false),
(lres->ai_addr, lres->ai_addrlen),
addresses);
}
addresses = Fnreverse (addresses);
@ -4879,12 +4871,12 @@ server_accept_connection (Lisp_Object server, int channel)
if (!NILP (service))
contact = Fplist_put (contact, QCservice, service);
contact = Fplist_put (contact, QCremote,
conv_sockaddr_to_lisp (&saddr.sa, len, true));
conv_sockaddr_to_lisp (&saddr.sa, len));
#ifdef HAVE_GETSOCKNAME
len = sizeof saddr;
if (getsockname (s, &saddr.sa, &len) == 0)
contact = Fplist_put (contact, QClocal,
conv_sockaddr_to_lisp (&saddr.sa, len, true));
conv_sockaddr_to_lisp (&saddr.sa, len));
#endif
pset_childp (p, contact);
@ -8116,7 +8108,7 @@ init_process_emacs (int sockfd)
union u_sockaddr sa;
socklen_t salen = sizeof sa;
if (getsockname (sockfd, &sa.sa, &salen) == 0)
sockname = conv_sockaddr_to_lisp (&sa.sa, salen, true);
sockname = conv_sockaddr_to_lisp (&sa.sa, salen);
}
# endif
Vinternal__daemon_sockname = sockname;

2
src/process.h
View File

@ -278,7 +278,7 @@ extern Lisp_Object system_process_attributes (Lisp_Object);
extern void record_deleted_pid (pid_t, Lisp_Object);
struct sockaddr;
extern Lisp_Object conv_sockaddr_to_lisp (struct sockaddr *, ptrdiff_t, bool);
extern Lisp_Object conv_sockaddr_to_lisp (struct sockaddr *, ptrdiff_t);
extern void hold_keyboard_input (void);
extern void unhold_keyboard_input (void);
extern bool kbd_on_hold_p (void);

24
src/w32.c
View File

@ -9210,8 +9210,7 @@ network_interface_get_info (Lisp_Object ifname)
if (NILP (ifname))
res = Fcons (Fcons (build_string (namebuf),
conv_sockaddr_to_lisp ((struct sockaddr*) &sa,
sizeof (struct sockaddr),
false)),
sizeof (struct sockaddr))),
res);
else if (strcmp (namebuf, SSDATA (ifname)) == 0)
{
@ -9258,8 +9257,7 @@ network_interface_get_info (Lisp_Object ifname)
sa.sin_addr.s_addr = net_mask;
sa.sin_port = 0;
res = Fcons (conv_sockaddr_to_lisp ((struct sockaddr *) &sa,
sizeof (struct sockaddr),
false),
sizeof (struct sockaddr)),
res);
}
else
@ -9276,16 +9274,14 @@ network_interface_get_info (Lisp_Object ifname)
sa.sin_addr.s_addr = bcast_addr;
sa.sin_port = 0;
res = Fcons (conv_sockaddr_to_lisp ((struct sockaddr *) &sa,
sizeof (struct sockaddr),
false),
sizeof (struct sockaddr)),
res);
/* IP address. */
sa.sin_addr.s_addr = ip_addr;
sa.sin_port = 0;
res = Fcons (conv_sockaddr_to_lisp ((struct sockaddr *) &sa,
sizeof (struct sockaddr),
false),
sizeof (struct sockaddr)),
res);
}
else
@ -9303,8 +9299,7 @@ network_interface_get_info (Lisp_Object ifname)
sa.sin_addr.s_addr = sys_inet_addr ("127.0.0.1");
res = Fcons (Fcons (build_string ("lo"),
conv_sockaddr_to_lisp ((struct sockaddr*) &sa,
sizeof (struct sockaddr),
false)),
sizeof (struct sockaddr))),
res);
}
else if (strcmp (SSDATA (ifname), "lo") == 0)
@ -9320,18 +9315,15 @@ network_interface_get_info (Lisp_Object ifname)
res);
sa.sin_addr.s_addr = sys_inet_addr ("255.0.0.0");
res = Fcons (conv_sockaddr_to_lisp ((struct sockaddr *) &sa,
sizeof (struct sockaddr),
false),
sizeof (struct sockaddr)),
res);
sa.sin_addr.s_addr = sys_inet_addr ("0.0.0.0");
res = Fcons (conv_sockaddr_to_lisp ((struct sockaddr *) &sa,
sizeof (struct sockaddr),
false),
sizeof (struct sockaddr)),
res);
sa.sin_addr.s_addr = sys_inet_addr ("127.0.0.1");
res = Fcons (conv_sockaddr_to_lisp ((struct sockaddr *) &sa,
sizeof (struct sockaddr),
false),
sizeof (struct sockaddr)),
res);
}