#include "config.h"
#define _XOPEN_SOURCE 500 /* make limits.h #define IOV_MAX */
+#define __EXTENSIONS__ 1 /* make Solaris netinet/in.h know IPv6 */
#include "ircd_osdep.h"
#include "msgq.h"
+#include "res.h"
+#include "s_bsd.h"
+#include "sys.h"
/* Include file dependency notes:
* FreeBSD requires struct timeval from sys/time.h before struct
#define getrusage(a,b) syscall(SYS_GETRUSAGE, a, b)
#endif
+#ifdef IPV6
+#define sockaddr_native sockaddr_in6
+
+void sockaddr_to_irc(const struct sockaddr_in6 *v6, struct irc_sockaddr *irc)
+{
+ assert(v6->sin6_family == AF_INET6);
+ memcpy(&irc->addr.in6_16[0], &v6->sin6_addr, sizeof(v6->sin6_addr));
+ irc->port = ntohs(v6->sin6_port);
+}
+
+void sockaddr_from_irc(struct sockaddr_in6 *v6, const struct irc_sockaddr *irc, int persist)
+{
+ memset(v6, 0, sizeof(*v6));
+ v6->sin6_family = AF_INET6;
+ memcpy(&v6->sin6_addr, &irc->addr.in6_16[0], sizeof(v6->sin6_addr));
+ if (persist && irc_in_addr_is_ipv4(&irc->addr))
+ v6->sin6_addr.s6_addr[10] = v6->sin6_addr.s6_addr[11] = '\xff';
+ v6->sin6_port = htons(irc->port);
+}
+
+#else
+#define sockaddr_native sockaddr_in
+
+void sockaddr_to_irc(const struct sockaddr_in *v4, struct irc_sockaddr *irc)
+{
+ assert(v4->sin_family == AF_INET);
+ memset(&irc->addr, 0, 6*sizeof(irc->addr.in6_16[0]));
+ memcpy(&irc->addr.in6_16[6], &v4->sin_addr, sizeof(v4->sin_addr));
+ irc->port = ntohs(v4->sin_port);
+}
+
+void sockaddr_from_irc(struct sockaddr_in *v4, const struct irc_sockaddr *irc, int persist)
+{
+ v4->sin_family = AF_INET6;
+ assert(!irc->addr.in6_16[0] && !irc->addr.in6_16[1] && !irc->addr.in6_16[2] && !irc->addr.in6_16[3] && !irc->addr.in6_16[4] && (!irc->addr.in6_16[5] || irc->addr.in6_16[5] == 0xffff));
+ memcpy(&v4->sin_addr, &irc->addr.in6_16[7], sizeof(v4->sin_addr));
+ v4->sin_port = htons(irc->port);
+ (void)persist;
+}
+
+#endif
+
/*
* This is part of the STATS replies. There is no offical numeric for this
* since this isnt an official command, in much the same way as HASH isnt.
}
IOResult os_recvfrom_nonb(int fd, char* buf, unsigned int length,
- unsigned int* length_out, struct sockaddr_in* sin_out)
+ unsigned int* length_out,
+ struct irc_sockaddr* addr_out)
{
+ struct sockaddr_native addr;
+ unsigned int len = sizeof(addr);
int res;
- unsigned int len = sizeof(struct sockaddr_in);
assert(0 != buf);
assert(0 != length_out);
- assert(0 != sin_out);
+ assert(0 != addr_out);
errno = 0;
*length_out = 0;
- res = recvfrom(fd, buf, length, 0, (struct sockaddr*) sin_out, &len);
+ res = recvfrom(fd, buf, length, 0, (struct sockaddr*) &addr, &len);
if (-1 == res) {
if (EWOULDBLOCK == errno || ENOMEM == errno
#ifdef ENOMEM
return IO_BLOCKED;
return IO_FAILURE;
}
+ sockaddr_to_irc(&addr, addr_out);
*length_out = res;
return IO_SUCCESS;
}
+/*
+ * os_sendto_nonb - non blocking send to a UDP socket
+ * returns:
+ * 1 if data was written, *count_out contains number of bytes
+ * 0 if sendto call blocked
+ * -1 if an unrecoverable error occurred
+ */
+IOResult os_sendto_nonb(int fd, const char* buf, unsigned int length,
+ unsigned int* count_out, unsigned int flags,
+ const struct irc_sockaddr* peer)
+{
+ struct sockaddr_native addr;
+ int res;
+ assert(0 != buf);
+ if (count_out)
+ *count_out = 0;
+ errno = 0;
+
+ sockaddr_from_irc(&addr, peer, 1);
+ if (-1 < (res = sendto(fd, buf, length, flags, (struct sockaddr*)&addr, sizeof(addr)))) {
+ if (count_out)
+ *count_out = (unsigned) res;
+ return IO_SUCCESS;
+ }
+ else if (EWOULDBLOCK == errno || EAGAIN == errno
+#ifdef ENOMEM
+ || ENOMEM == errno
+#endif
+#ifdef ENOBUFS
+ || ENOBUFS == errno
+#endif
+ )
+ return IO_BLOCKED;
+ return IO_FAILURE;
+}
+
/*
* os_send_nonb - non blocking read of a connection
* returns:
return IO_FAILURE;
}
-IOResult os_connect_nonb(int fd, const struct sockaddr_in* sin)
+int os_socket(const struct irc_sockaddr* local, int type, const char* port_name)
+{
+ int family, fd;
+#ifdef IPV6
+ family = AF_INET6;
+#else
+ family = AF_INET;
+#endif
+ fd = socket(family, type, 0);
+ if (fd < 0) {
+ report_error(SOCKET_ERROR_MSG, port_name, errno);
+ return -1;
+ }
+ if (fd > MAXCLIENTS - 1) {
+ report_error(CONNLIMIT_ERROR_MSG, port_name, 0);
+ close(fd);
+ return -1;
+ }
+ if (!os_set_reuseaddr(fd)) {
+ report_error(REUSEADDR_ERROR_MSG, port_name, errno);
+ close(fd);
+ return -1;
+ }
+ if (!os_set_nonblocking(fd)) {
+ report_error(NONB_ERROR_MSG, port_name, errno);
+ close(fd);
+ return -1;
+ }
+ if (local) {
+ struct sockaddr_native addr;
+ sockaddr_from_irc(&addr, local, 1);
+ if (bind(fd, (struct sockaddr*)&addr, sizeof(addr))) {
+ report_error(BIND_ERROR_MSG, port_name, errno);
+ close(fd);
+ return -1;
+ }
+ }
+ return fd;
+}
+
+int os_accept(int fd, struct irc_sockaddr* peer)
{
- if (connect(fd, (struct sockaddr*) sin, sizeof(struct sockaddr_in)))
+ struct sockaddr_native addr;
+ socklen_t addrlen;
+ int new_fd;
+
+ addrlen = sizeof(addr);
+ new_fd = accept(fd, (struct sockaddr*)&addr, &addrlen);
+ if (new_fd < 0)
+ memset(peer, 0, sizeof(*peer));
+ else
+ sockaddr_to_irc(&addr, peer);
+ return new_fd;
+}
+
+IOResult os_connect_nonb(int fd, const struct irc_sockaddr* sin)
+{
+ struct sockaddr_native addr;
+ sockaddr_from_irc(&addr, sin, 1);
+ if (connect(fd, (struct sockaddr*) &addr, sizeof(addr)))
return (errno == EINPROGRESS) ? IO_BLOCKED : IO_FAILURE;
return IO_SUCCESS;
}
-int os_get_sockname(int fd, struct sockaddr_in* sin_out)
+int os_get_sockname(int fd, struct irc_sockaddr* sin_out)
{
- unsigned int len = sizeof(struct sockaddr_in);
+ struct sockaddr_native addr;
+ unsigned int len = sizeof(addr);
+
assert(0 != sin_out);
- return (0 == getsockname(fd, (struct sockaddr*) sin_out, &len));
+ if (getsockname(fd, (struct sockaddr*) &addr, &len))
+ return 0;
+ sockaddr_to_irc(&addr, sin_out);
+ return 1;
}
-int os_get_peername(int fd, struct sockaddr_in* sin_out)
+int os_get_peername(int fd, struct irc_sockaddr* sin_out)
{
- unsigned int len = sizeof(struct sockaddr_in);
+ struct sockaddr_native addr;
+ unsigned int len = sizeof(addr);
+
assert(0 != sin_out);
- return (0 == getpeername(fd, (struct sockaddr*) sin_out, &len));
+ if (getpeername(fd, (struct sockaddr*) &addr, &len))
+ return 0;
+ sockaddr_to_irc(&addr, sin_out);
+ return 1;
}
int os_set_listen(int fd, int backlog)
projects / ircu2.10.12-pk.git / blobdiff