/* -*- c-file-style: "linux" -*-
-
+
rsync -- fast file replication program
-
+
Copyright (C) 1992-2001 by Andrew Tridgell <tridge@samba.org>
Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
/**
* @file socket.c
- *
+ *
* Socket functions used in rsync.
*
* This file is now converted to use the new-style getaddrinfo()
char *cp;
snprintf(buffer, sizeof(buffer), "CONNECT %s:%d HTTP/1.0\r\n\r\n", host, port);
- if (write(fd, buffer, strlen(buffer)) != (int) strlen(buffer)) {
+ if (write(fd, buffer, strlen(buffer)) != (int)strlen(buffer)) {
rprintf(FERROR, "failed to write to proxy: %s\n",
strerror(errno));
return -1;
}
- for (cp = buffer; cp < &buffer[sizeof(buffer) - 1]; cp++) {
+ for (cp = buffer; cp < &buffer[sizeof (buffer) - 1]; cp++) {
if (read(fd, cp, 1) != 1) {
rprintf(FERROR, "failed to read from proxy: %s\n",
strerror(errno));
buffer);
return -1;
}
- for (cp = &buffer[5]; isdigit(* (unsigned char *) cp) || (*cp == '.'); cp++)
- ;
+ for (cp = &buffer[5]; isdigit(*(uchar*)cp) || *cp == '.'; cp++) {}
while (*cp == ' ')
cp++;
if (*cp != '2') {
}
/* throw away the rest of the HTTP header */
while (1) {
- for (cp = buffer; cp < &buffer[sizeof(buffer) - 1];
+ for (cp = buffer; cp < &buffer[sizeof (buffer) - 1];
cp++) {
if (read(fd, cp, 1) != 1) {
rprintf(FERROR, "failed to read from proxy: %s\n",
if (*cp == '\n')
break;
}
- if ((cp > buffer) && (*cp == '\n'))
+ if (cp > buffer && *cp == '\n')
cp--;
- if ((cp == buffer) && ((*cp == '\n') || (*cp == '\r')))
+ if (cp == buffer && (*cp == '\n' || *cp == '\r'))
break;
}
return 0;
* connetcion via a web proxy at the given address. The format
* is hostname:port */
h = getenv("RSYNC_PROXY");
- proxied = (h != NULL) && (*h != '\0');
+ proxied = h != NULL && *h != '\0';
if (proxied) {
strlcpy(buffer, h, sizeof(buffer));
*
* @param bind_address Local address to use. Normally NULL to get the stack default.
**/
-int open_socket_out_wrapped (char *host,
- int port,
- const char *bind_address,
- int af_hint)
+int open_socket_out_wrapped(char *host, int port, const char *bind_address,
+ int af_hint)
{
char *prog;
- if ((prog = getenv ("RSYNC_CONNECT_PROG")) != NULL)
- return sock_exec (prog);
- else
- return open_socket_out (host, port, bind_address,
- af_hint);
+ if ((prog = getenv("RSYNC_CONNECT_PROG")) != NULL)
+ return sock_exec(prog);
+ return open_socket_out(host, port, bind_address, af_hint);
}
*
* Try to be better about handling the results of getaddrinfo(): when
* opening an inbound socket, we might get several address results,
- * e.g. for the machine's ipv4 and ipv6 name.
- *
+ * e.g. for the machine's ipv4 and ipv6 name.
+ *
* If binding a wildcard, then any one of them should do. If an address
* was specified but it's insufficiently specific then that's not our
- * fault.
- *
+ * fault.
+ *
* However, some of the advertized addresses may not work because e.g. we
* don't have IPv6 support in the kernel. In that case go on and try all
* addresses until one succeeds.
- *
+ *
* @param bind_address Local address to bind, or NULL to allow it to
* default.
**/
s = socket(resp->ai_family, resp->ai_socktype,
resp->ai_protocol);
- if (s == -1)
+ if (s == -1)
/* See if there's another address that will work... */
continue;
-
+
setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
(char *)&one, sizeof one);
-
+
/* now we've got a socket - we need to bind it */
if (bind(s, all_ai->ai_addr, all_ai->ai_addrlen) < 0) {
/* Nope, try another */
rprintf(FERROR, RSYNC_NAME ": open inbound socket on port %d failed: "
"%s\n",
- port,
+ port,
strerror(errno));
freeaddrinfo(all_ai);
- return -1;
+ return -1;
}
* also has socklen_t [*]. See also accept(2).''
*
* We now return to your regularly scheduled programming. */
- return(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&v, &l) == 0);
+ return getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&v, &l) == 0;
}
FD_ZERO(&fds);
FD_SET(s, &fds);
- if (select(s+1, &fds, NULL, NULL, NULL) != 1) {
+ if (select(s+1, &fds, NULL, NULL, NULL) != 1)
continue;
- }
- if(!FD_ISSET(s, &fds)) continue;
+ if (!FD_ISSET(s, &fds))
+ continue;
fd = accept(s,(struct sockaddr *)&addr,&addrlen);
- if (fd == -1) continue;
+ if (fd == -1)
+ continue;
signal(SIGCHLD, sigchld_handler);
#endif
{NULL,0,0,0,0}};
-
+
/**
* Set user socket options
void set_socket_options(int fd, char *options)
{
char *tok;
- if (!options || !*options) return;
+
+ if (!options || !*options)
+ return;
options = strdup(options);
-
- if (!options) out_of_memory("set_socket_options");
- for (tok=strtok(options, " \t,"); tok; tok=strtok(NULL," \t,")) {
+ if (!options)
+ out_of_memory("set_socket_options");
+
+ for (tok = strtok(options, " \t,"); tok; tok = strtok(NULL," \t,")) {
int ret=0,i;
int value = 1;
char *p;
got_value = 1;
}
- for (i=0;socket_options[i].name;i++)
+ for (i = 0; socket_options[i].name; i++) {
if (strcmp(socket_options[i].name,tok)==0)
break;
+ }
if (!socket_options[i].name) {
rprintf(FERROR,"Unknown socket option %s\n",tok);
ret = setsockopt(fd,socket_options[i].level,
socket_options[i].option,(char *)&value,sizeof(int));
break;
-
+
case OPT_ON:
if (got_value)
rprintf(FERROR,"syntax error - %s does not take a value\n",tok);
ret = setsockopt(fd,socket_options[i].level,
socket_options[i].option,(char *)&on,sizeof(int));
}
- break;
+ break;
}
-
+
if (ret != 0)
rprintf(FERROR, "failed to set socket option %s: %s\n", tok,
strerror(errno));
#ifdef TIOCNOTTY
i = open("/dev/tty", O_RDWR);
if (i >= 0) {
- ioctl(i, (int) TIOCNOTTY, (char *)0);
+ ioctl(i, (int)TIOCNOTTY, (char *)0);
close(i);
}
#endif /* TIOCNOTTY */
#endif
/* make sure that stdin, stdout an stderr don't stuff things
up (library functions, for example) */
- for (i=0;i<3;i++) {
- close(i);
+ for (i = 0; i < 3; i++) {
+ close(i);
open("/dev/null", O_RDWR);
}
}
/**
* This is like socketpair but uses tcp. It is used by the Samba
* regression test code.
- *
+ *
* The function guarantees that nobody else can attach to the socket,
* or if they do that this function fails and the socket gets closed
* returns 0 on success, -1 on failure the resulting file descriptors
struct sockaddr_in sock2;
socklen_t socklen = sizeof(sock);
int connect_done = 0;
-
+
fd[0] = fd[1] = listener = -1;
memset(&sock, 0, sizeof(sock));
-
- if ((listener = socket(PF_INET, SOCK_STREAM, 0)) == -1) goto failed;
+
+ if ((listener = socket(PF_INET, SOCK_STREAM, 0)) == -1)
+ goto failed;
memset(&sock2, 0, sizeof(sock2));
#ifdef HAVE_SOCKADDR_LEN
bind(listener, (struct sockaddr *)&sock2, sizeof(sock2));
- if (listen(listener, 1) != 0) goto failed;
+ if (listen(listener, 1) != 0)
+ goto failed;
- if (getsockname(listener, (struct sockaddr *)&sock, &socklen) != 0) goto failed;
+ if (getsockname(listener, (struct sockaddr *)&sock, &socklen) != 0)
+ goto failed;
- if ((fd[1] = socket(PF_INET, SOCK_STREAM, 0)) == -1) goto failed;
+ if ((fd[1] = socket(PF_INET, SOCK_STREAM, 0)) == -1)
+ goto failed;
set_nonblocking(fd[1]);
sock.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
if (connect(fd[1],(struct sockaddr *)&sock,sizeof(sock)) == -1) {
- if (errno != EINPROGRESS) goto failed;
- } else {
+ if (errno != EINPROGRESS)
+ goto failed;
+ } else
connect_done = 1;
- }
- if ((fd[0] = accept(listener, (struct sockaddr *)&sock, &socklen)) == -1) goto failed;
+ if ((fd[0] = accept(listener, (struct sockaddr *)&sock, &socklen)) == -1)
+ goto failed;
close(listener);
if (connect_done == 0) {
if (connect(fd[1],(struct sockaddr *)&sock,sizeof(sock)) != 0
- && errno != EISCONN) goto failed;
+ && errno != EISCONN)
+ goto failed;
}
- set_blocking (fd[1]);
+ set_blocking(fd[1]);
/* all OK! */
return 0;
failed:
- if (fd[0] != -1) close(fd[0]);
- if (fd[1] != -1) close(fd[1]);
- if (listener != -1) close(listener);
+ if (fd[0] != -1)
+ close(fd[0]);
+ if (fd[1] != -1)
+ close(fd[1]);
+ if (listener != -1)
+ close(listener);
return -1;
}
int sock_exec(const char *prog)
{
int fd[2];
-
+
if (socketpair_tcp(fd) != 0) {
- rprintf (FERROR, RSYNC_NAME
- ": socketpair_tcp failed (%s)\n",
- strerror(errno));
+ rprintf(FERROR, RSYNC_NAME ": socketpair_tcp failed (%s)\n",
+ strerror(errno));
return -1;
}
if (fork() == 0) {
dup(fd[1]);
if (verbose > 3) {
/* Can't use rprintf because we've forked. */
- fprintf (stderr,
- RSYNC_NAME ": execute socket program \"%s\"\n",
- prog);
+ fprintf(stderr,
+ RSYNC_NAME ": execute socket program \"%s\"\n",
+ prog);
}
- exit (system (prog));
+ exit(system(prog));
}
- close (fd[1]);
+ close(fd[1]);
return fd[0];
}
-
-
-
Matt McCutchen's Web Site / rsync / rsync.git / commitdiff