enum server_stat
server_Reopen(struct bundle *bundle)
{
char name[sizeof server.cfg.sockname];
struct stat st;
u_short port;
mode_t mask;
enum server_stat ret;
if (server.cfg.sockname[0] != '\0') {
strcpy(name, server.cfg.sockname);
mask = server.cfg.mask;
server_Close(bundle);
if (server.cfg.sockname[0] != '\0' && stat(server.cfg.sockname, &st) == 0)
if (!(st.st_mode & S_IFSOCK) || unlink(server.cfg.sockname) != 0)
return SERVER_FAILED;
ret = server_LocalOpen(bundle, name, mask);
} else if (server.cfg.port != 0) {
port = server.cfg.port;
server_Close(bundle);
ret = server_TcpOpen(bundle, port);
} else
ret = SERVER_UNSET;
return ret;
}
static void
BringDownServer(int signo)
{
/* Drops all child prompts too ! */
if (server_Close(SignalBundle))
log_Printf(LogPHASE, "Closed server socket\n");
}
void
AbortProgram(int excode)
{
if (SignalBundle)
server_Close(SignalBundle);
log_Printf(LogPHASE, "PPP Terminated (%s).\n", ex_desc(excode));
if (SignalBundle) {
bundle_Close(SignalBundle, NULL, CLOSE_STAYDOWN);
bundle_Destroy(SignalBundle);
}
log_Close();
exit(excode);
}
int
server_Clear(struct bundle *bundle)
{
int ret;
ret = server_Close(bundle);
server.fd = -1;
server.cfg.port = 0;
*server.cfg.sockname = '\0';
server.cfg.mask = 0;
return ret;
}
enum server_stat
server_TcpOpen(struct bundle *bundle, u_short port)
{
struct sockaddr_storage ss;
struct sockaddr_in *sin = (struct sockaddr_in *)&ss;
#ifndef NOINET6
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&ss;
#endif
int s, sz;
if (server.cfg.port == port)
server_Close(bundle);
if (port == 0)
return SERVER_INVALID;
memset(&ss, '\0', sizeof ss);
#ifndef NOINET6
if (probe.ipv6_available) {
sin6->sin6_family = AF_INET6;
sin6->sin6_port = htons(port);
sin6->sin6_len = (u_int8_t)sizeof ss;
sz = sizeof *sin6;
s = socket(PF_INET6, SOCK_STREAM, 0);
} else
#endif
{
sin->sin_family = AF_INET;
sin->sin_port = htons(port);
sin->sin_len = (u_int8_t)sizeof ss;
sin->sin_addr.s_addr = INADDR_ANY;
sz = sizeof *sin;
s = socket(PF_INET, SOCK_STREAM, 0);
}
if (s < 0) {
log_Printf(LogERROR, "Tcp: socket: %s\n", strerror(errno));
goto failed;
}
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &s, sizeof s);
if (bind(s, (struct sockaddr *)&ss, sz) < 0) {
log_Printf(LogWARN, "Tcp: bind: %s\n", strerror(errno));
close(s);
goto failed;
}
if (listen(s, 5) != 0) {
log_Printf(LogERROR, "Tcp: Unable to listen to socket: %s\n",
strerror(errno));
close(s);
goto failed;
}
server_Close(bundle);
server.fd = s;
server.cfg.port = port;
*server.cfg.sockname = '\0';
server.cfg.mask = 0;
log_Printf(LogPHASE, "Listening at port %d.\n", port);
return SERVER_OK;
failed:
if (server.fd == -1) {
server.fd = -1;
server.cfg.port = port;
*server.cfg.sockname = '\0';
server.cfg.mask = 0;
}
return SERVER_FAILED;
}
enum server_stat
server_LocalOpen(struct bundle *bundle, const char *name, mode_t mask)
{
struct sockaddr_un ifsun;
mode_t oldmask;
int s;
oldmask = (mode_t)-1; /* Silence compiler */
if (server.cfg.sockname && !strcmp(server.cfg.sockname, name))
server_Close(bundle);
memset(&ifsun, '\0', sizeof ifsun);
ifsun.sun_len = strlen(name);
if (ifsun.sun_len > sizeof ifsun.sun_path - 1) {
log_Printf(LogERROR, "Local: %s: Path too long\n", name);
return SERVER_INVALID;
}
ifsun.sun_family = AF_LOCAL;
strcpy(ifsun.sun_path, name);
s = socket(PF_LOCAL, SOCK_STREAM, 0);
if (s < 0) {
log_Printf(LogERROR, "Local: socket: %s\n", strerror(errno));
goto failed;
}
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &s, sizeof s);
if (mask != (mode_t)-1)
oldmask = umask(mask);
if (bind(s, (struct sockaddr *)&ifsun, sizeof ifsun) < 0) {
if (mask != (mode_t)-1)
umask(oldmask);
log_Printf(LogWARN, "Local: bind: %s\n", strerror(errno));
close(s);
goto failed;
}
if (mask != (mode_t)-1)
umask(oldmask);
if (listen(s, 5) != 0) {
log_Printf(LogERROR, "Local: Unable to listen to socket -"
" BUNDLE overload?\n");
close(s);
unlink(name);
goto failed;
}
server_Close(bundle);
server.fd = s;
server.cfg.port = 0;
strncpy(server.cfg.sockname, ifsun.sun_path, sizeof server.cfg.sockname - 1);
server.cfg.sockname[sizeof server.cfg.sockname - 1] = '\0';
server.cfg.mask = mask;
log_Printf(LogPHASE, "Listening at local socket %s.\n", name);
return SERVER_OK;
failed:
if (server.fd == -1) {
server.fd = -1;
server.cfg.port = 0;
strncpy(server.cfg.sockname, ifsun.sun_path,
sizeof server.cfg.sockname - 1);
server.cfg.sockname[sizeof server.cfg.sockname - 1] = '\0';
server.cfg.mask = mask;
}
return SERVER_FAILED;
}