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#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
#include <arpa/inet.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include "mbuf.h"
#include "log.h"
#include "loadalias.h"
#include "vars.h"
#include "server.h"
int server = UNKNOWN_SERVER;
static struct sockaddr_un ifsun;
static char *rm;
int
ServerLocalOpen(const char *name, mode_t mask)
{
int s;
ifsun.sun_len = strlen(name);
if (ifsun.sun_len > sizeof ifsun.sun_path - 1) {
LogPrintf(LogERROR, "Local: %s: Path too long\n", name);
return 1;
}
ifsun.sun_family = AF_LOCAL;
strcpy(ifsun.sun_path, name);
s = socket(PF_LOCAL, SOCK_STREAM, 0);
if (s < 0) {
LogPrintf(LogERROR, "Local: socket: %s\n", strerror(errno));
return 2;
}
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &s, sizeof s);
mask = umask(mask);
if (bind(s, (struct sockaddr *) &ifsun, sizeof(ifsun)) < 0) {
umask(mask);
LogPrintf(LogERROR, "Local: bind: %s\n", strerror(errno));
if (errno == EADDRINUSE && VarTerm)
fprintf(VarTerm, "Wait for a while, then try again.\n");
close(s);
unlink(name);
return 3;
}
umask(mask);
if (listen(s, 5) != 0) {
LogPrintf(LogERROR, "Local: Unable to listen to socket - OS overload?\n");
close(s);
unlink(name);
return 4;
}
ServerClose();
server = s;
rm = ifsun.sun_path;
LogPrintf(LogPHASE, "Listening at local socket %s.\n", name);
return 0;
}
int
ServerTcpOpen(int port)
{
struct sockaddr_in ifsin;
int s;
s = socket(PF_INET, SOCK_STREAM, 0);
if (s < 0) {
LogPrintf(LogERROR, "Tcp: socket: %s\n", strerror(errno));
return 5;
}
ifsin.sin_family = AF_INET;
ifsin.sin_addr.s_addr = INADDR_ANY;
ifsin.sin_port = htons(port);
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &s, sizeof s);
if (bind(s, (struct sockaddr *) &ifsin, sizeof(ifsin)) < 0) {
LogPrintf(LogERROR, "Tcp: bind: %s\n", strerror(errno));
if (errno == EADDRINUSE && VarTerm)
fprintf(VarTerm, "Wait for a while, then try again.\n");
close(s);
return 6;
}
if (listen(s, 5) != 0) {
LogPrintf(LogERROR, "Tcp: Unable to listen to socket - OS overload?\n");
close(s);
return 7;
}
ServerClose();
server = s;
LogPrintf(LogPHASE, "Listening at port %d.\n", port);
return 0;
}
void
ServerClose()
{
if (server >= 0) {
close(server);
if (rm) {
unlink(rm);
rm = 0;
}
}
server = -1;
}
int
ServerType()
{
if (server == UNKNOWN_SERVER)
return UNKNOWN_SERVER;
else if (server == NO_SERVER)
return NO_SERVER;
else if (rm)
return LOCAL_SERVER;
else
return INET_SERVER;
}
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