#include "rsync.h"
-#ifndef HAVE_GETADDRINFO
-#include "lib/addrinfo.h"
-#endif
-
-// extern int af; /* NO MORE BLOODY GLOBALS! */
-
/* Establish a proxy connection on an open socket to a web roxy by
* using the CONNECT method. */
static int establish_proxy_connection(int fd, char *host, int port)
}
s = -1;
+ /* Try to connect to all addresses for this machine until we get
+ * through. It might e.g. be multi-homed, or have both IPv4 and IPv6
+ * addresses. We need to create a socket for each record, since the
+ * address record tells us what protocol to use to try to connect. */
for (res = res0; res; res = res->ai_next) {
s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
if (s < 0)
bhints.ai_flags = AI_PASSIVE;
error = getaddrinfo(bind_address, NULL, &bhints, &bres);
if (error) {
- rprintf(FERROR, RSYNC_NAME ": getaddrinfo: bind address %s <noport>: %s\n",
+ rprintf(FERROR, RSYNC_NAME ": getaddrinfo: "
+ "bind address %s <noport>: %s\n",
bind_address, gai_strerror(error));
continue;
}
if (bres->ai_next) {
- rprintf(FERROR, RSYNC_NAME ": getaddrinfo: bind address %s resolved to multiple hosts\n",
+ /* I'm not at all sure that this is the right
+ * response here... -- mbp */
+ rprintf(FERROR, RSYNC_NAME ": getaddrinfo: "
+ "bind address %s resolved to multiple hosts\n",
bind_address);
freeaddrinfo(bres);
continue;
case EPROTONOSUPPORT:
case EAFNOSUPPORT:
case EPFNOSUPPORT:
+ case EINVAL:
/* See if there's another address that will work... */
continue;
}
while (1) {
fd_set fds;
int fd;
- struct sockaddr addr;
- int in_addrlen = sizeof(addr);
+ struct sockaddr_storage addr;
+ int addrlen = sizeof(addr);
/* close log file before the potentially very long select so
file can be trimmed by another process instead of growing
if(!FD_ISSET(s, &fds)) continue;
- fd = accept(s,(struct sockaddr *)&addr,&in_addrlen);
+ fd = accept(s,(struct sockaddr *)&addr,&addrlen);
if (fd == -1) continue;
**/
char *client_addr(int fd)
{
- struct sockaddr ss;
+ struct sockaddr_storage ss;
int length = sizeof(ss);
static char addr_buf[100];
static int initialised;
initialised = 1;
- if (getpeername(fd, &ss, &length)) {
+ if (getpeername(fd, (struct sockaddr *)&ss, &length)) {
exit_cleanup(RERR_SOCKETIO);
}
- getnameinfo(&ss, length,
+ getnameinfo((struct sockaddr *)&ss, length,
addr_buf, sizeof(addr_buf), NULL, 0, NI_NUMERICHOST);
return addr_buf;
}
+static int get_sockaddr_family(const struct sockaddr_storage *ss)
+{
+ return ((struct sockaddr *) ss)->sa_family;
+}
+
+
/**
* Return the DNS name of the client
**/
char *client_name(int fd)
{
- struct sockaddr ss;
+ struct sockaddr_storage ss;
int length = sizeof(ss);
static char name_buf[100];
static char port_buf[100];
if (getpeername(fd, (struct sockaddr *)&ss, &length)) {
/* FIXME: Can we really not continue? */
rprintf(FERROR, RSYNC_NAME ": getpeername on fd%d failed: %s\n",
- strerror(errno));
+ fd, strerror(errno));
exit_cleanup(RERR_SOCKETIO);
}
#ifdef INET6
- if (ss.ss_family == AF_INET6 &&
+ if (get_sockaddr_family(&ss) == AF_INET6 &&
IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)&ss)->sin6_addr)) {
struct sockaddr_in6 sin6;
struct sockaddr_in *sin;
/* XXX sin6_flowinfo and other fields */
for (res = res0; res; res = res->ai_next) {
- if (res->ai_family != ss.sa_family)
+ if (res->ai_family != get_sockaddr_family(&ss))
continue;
if (res->ai_addrlen != length)
continue;
break;
}
- /* TODO: Do a forward lookup as well to prevent spoofing */
+ /* TODO: Do a forward lookup as well to prevent spoofing */
if (res == NULL) {
strcpy(name_buf, def);
return name_buf;
}
-/**
- * Convert a string to an IP address. The string can be a name or
- * dotted decimal number.
- *
- * Returns a pointer to a static in_addr struct -- if you call this
- * more than once then you should copy it.
- *
- * TODO: Use getaddrinfo() instead, or make this function call getnameinfo
- **/
-struct in_addr *ip_address(const char *str)
-{
- static struct in_addr ret;
- struct hostent *hp;
-
- if (!str) {
- rprintf (FERROR, "ip_address received NULL name\n");
- return NULL;
- }
-
- /* try as an IP address */
- if (inet_aton(str, &ret) != 0) {
- return &ret;
- }
-
- /* otherwise assume it's a network name of some sort and use
- gethostbyname */
- if ((hp = gethostbyname (str)) == 0) {
- rprintf(FERROR, "gethostbyname failed for \"%s\": unknown host?\n",str);
- return NULL;
- }
-
- if (hp->h_addr == NULL) {
- rprintf(FERROR, "gethostbyname: host address is invalid for host \"%s\"\n",str);
- return NULL;
- }
-
- if (hp->h_length > sizeof ret) {
- rprintf(FERROR, "gethostbyname: host address for \"%s\" is too large\n",
- str);
- return NULL;
- }
-
- if (hp->h_addrtype != AF_INET) {
- rprintf (FERROR, "gethostname: host address for \"%s\" is not IPv4\n",
- str);
- return NULL;
- }
-
- /* This is kind of difficult. The only field in ret is
- s_addr, which is the IP address as a 32-bit int. On
- UNICOS, s_addr is in fact a *bitfield* for reasons best
- know to Cray. This means we can't memcpy in to it. On the
- other hand, h_addr is a char*, so we can't just assign.
-
- Since there's meant to be only one field inside the in_addr
- structure we will try just copying over the top and see how
- that goes. */
- memcpy (&ret, hp->h_addr, hp->h_length);
-
- return &ret;
-}
-
-
/*******************************************************************
this is like socketpair but uses tcp. It is used by the Samba
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff