*
*/
-#ifdef DLL_EXPORT
-#define IN_LIBCIT
-#endif
-
#include "sysdep.h"
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
#include "citadel.h"
#include "server.h"
-#include "dynloader.h"
#ifndef HAVE_SNPRINTF
#include "snprintf.h"
#endif
#include "sysdep_decls.h"
-#include <clientsocket.h>
+#include "config.h"
+#include "clientsocket.h"
+#include "tools.h"
#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
struct servent *pse;
struct protoent *ppe;
struct sockaddr_in sin;
+ struct sockaddr_in egress_sin;
int s, type;
+ if ((host == NULL) || IsEmptyStr(host))
+ return(-1);
+ if ((service == NULL) || IsEmptyStr(service))
+ return(-1);
+ if ((protocol == NULL) || IsEmptyStr(protocol))
+ return(-1);
+
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
if (pse) {
sin.sin_port = pse->s_port;
} else if ((sin.sin_port = htons((u_short) atoi(service))) == 0) {
- lprintf(3, "Can't get %s service entry: %s\n",
+ lprintf(CTDL_CRIT, "Can't get %s service entry: %s\n",
service, strerror(errno));
return(-1);
}
if (phe) {
memcpy(&sin.sin_addr, phe->h_addr, phe->h_length);
} else if ((sin.sin_addr.s_addr = inet_addr(host)) == INADDR_NONE) {
- lprintf(3, "Can't get %s host entry: %s\n",
+ lprintf(CTDL_ERR, "Can't get %s host entry: %s\n",
host, strerror(errno));
return(-1);
}
if ((ppe = getprotobyname(protocol)) == 0) {
- lprintf(3, "Can't get %s protocol entry: %s\n",
+ lprintf(CTDL_CRIT, "Can't get %s protocol entry: %s\n",
protocol, strerror(errno));
return(-1);
}
s = socket(PF_INET, type, ppe->p_proto);
if (s < 0) {
- lprintf(3, "Can't create socket: %s\n", strerror(errno));
+ lprintf(CTDL_CRIT, "Can't create socket: %s\n", strerror(errno));
return(-1);
}
+ /* If citserver is bound to a specific IP address on the host, make
+ * sure we use that address for outbound connections.
+ */
+ memset(&egress_sin, 0, sizeof(egress_sin));
+ egress_sin.sin_family = AF_INET;
+ if (!IsEmptyStr(config.c_ip_addr)) {
+ egress_sin.sin_addr.s_addr = inet_addr(config.c_ip_addr);
+ if (egress_sin.sin_addr.s_addr == !INADDR_ANY) {
+ egress_sin.sin_addr.s_addr = INADDR_ANY;
+ }
+
+ /* If this bind fails, no problem; we can still use INADDR_ANY */
+ bind(s, (struct sockaddr *)&egress_sin, sizeof(egress_sin));
+ }
+
+ /* Now try to connect to the remote host. */
if (connect(s, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
- lprintf(3, "can't connect to %s.%s: %s\n",
+ lprintf(CTDL_ERR, "Can't connect to %s:%s: %s\n",
host, service, strerror(errno));
+ close(s);
return(-1);
}
retval = select(sock+1, &rfds, NULL, NULL, &tv);
if (FD_ISSET(sock, &rfds) == 0) { /* timed out */
- lprintf(9, "sock_read() timed out.\n");
+ lprintf(CTDL_ERR, "sock_read() timed out.\n");
return(-1);
}
rlen = read(sock, &buf[len], bytes-len);
if (rlen<1) {
- lprintf(2, "sock_read() failed: %s\n",
+ lprintf(CTDL_ERR, "sock_read() failed: %s\n",
strerror(errno));
return(-1);
}
* sock_read() - input binary data from socket.
* Returns the number of bytes read, or -1 for error.
*/
-inline int sock_read(int sock, char *buf, int bytes)
+INLINE int sock_read(int sock, char *buf, int bytes)
{
return sock_read_to(sock, buf, bytes, CLIENT_TIMEOUT);
}
* Input string from socket - implemented in terms of sock_read()
*
*/
-int sock_gets(int sock, char *buf)
+int sock_getln(int sock, char *buf, int bufsize)
{
int i;
*/
for (i = 0;; i++) {
if (sock_read(sock, &buf[i], 1) < 0) return(-1);
- if (buf[i] == '\n' || i == (SIZ-1))
+ if (buf[i] == '\n' || i == (bufsize-1))
break;
}
/* If we got a long line, discard characters until the newline.
*/
- if (i == (SIZ-1))
+ if (i == (bufsize-1))
while (buf[i] != '\n')
if (sock_read(sock, &buf[i], 1) < 0) return(-1);
/* Strip any trailing CR and LF characters.
*/
buf[i] = 0;
- while ( (strlen(buf)>0)
+ while ( (!IsEmptyStr(buf))
&& ((buf[strlen(buf)-1]==13)
|| (buf[strlen(buf)-1]==10)) ) {
buf[strlen(buf)-1] = 0;
char bigbuf[1024];
int g;
- g = sock_gets(sock, buf);
+ g = sock_getln(sock, buf, SIZ);
if (g < 4) return(g);
if (buf[3] != '-') return(g);
do {
- g = sock_gets(sock, bigbuf);
+ g = sock_getln(sock, bigbuf, SIZ);
if (g < 0) return(g);
} while ( (g >= 4) && (bigbuf[3] == '-') );