- char buf[1024];
- char addrbuf[1024];
- FILE *fp;
- int i;
- char *public_clientspos;
- char *public_clientsend;
- char *paddr = NULL;
- struct stat statbuf;
- static time_t pc_timestamp = 0;
- static char public_clients[SIZ];
- static char public_clients_file[SIZ];
-
-#define LOCALHOSTSTR "127.0.0.1"
-
- snprintf(public_clients_file, sizeof public_clients_file, "%s/public_clients", ctdl_etc_dir);
-
- /*
- * Check the time stamp on the public_clients file. If it's been
- * updated since the last time we were here (or if this is the first
- * time we've been through the loop), read its contents and learn
- * the IP addresses of the listed hosts.
- */
- if (stat(public_clients_file, &statbuf) != 0) {
- /* No public_clients file exists, so bail out */
- syslog(LOG_WARNING, "Warning: '%s' does not exist\n",
- public_clients_file);
- return(0);
- }
-
- if (statbuf.st_mtime > pc_timestamp) {
- begin_critical_section(S_PUBLIC_CLIENTS);
- syslog(LOG_INFO, "Loading %s\n", public_clients_file);
-
- public_clientspos = &public_clients[0];
- public_clientsend = public_clientspos + SIZ;
- safestrncpy(public_clientspos, LOCALHOSTSTR, sizeof public_clients);
- public_clientspos += sizeof(LOCALHOSTSTR) - 1;
-
- if (hostname_to_dotted_quad(addrbuf, CtdlGetConfigStr("c_fqdn")) == 0) {
- *(public_clientspos++) = '|';
- paddr = &addrbuf[0];
- while (!IsEmptyStr (paddr) &&
- (public_clientspos < public_clientsend))
- *(public_clientspos++) = *(paddr++);
- }
-
- fp = fopen(public_clients_file, "r");
- if (fp != NULL)
- while ((fgets(buf, sizeof buf, fp)!=NULL) &&
- (public_clientspos < public_clientsend)){
- char *ptr;
- ptr = buf;
- while (!IsEmptyStr(ptr)) {
- if (*ptr == '#') {
- *ptr = 0;
- break;
- }
- else ptr++;
- }
- ptr--;
- while (ptr>buf && isspace(*ptr)) {
- *(ptr--) = 0;
- }
- if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
- *(public_clientspos++) = '|';
- paddr = addrbuf;
- while (!IsEmptyStr(paddr) &&
- (public_clientspos < public_clientsend)){
- *(public_clientspos++) = *(paddr++);
- }
- }
- }
- if (fp != NULL) fclose(fp);
- pc_timestamp = time(NULL);
- end_critical_section(S_PUBLIC_CLIENTS);
- }
-
- syslog(LOG_DEBUG, "Checking whether %s is a local or public client\n",
- CC->cs_addr);
- for (i=0; i<num_parms(public_clients); ++i) {
- extract_token(addrbuf, public_clients, i, '|', sizeof addrbuf);
- if (!strcasecmp(CC->cs_addr, addrbuf)) {
- syslog(LOG_DEBUG, "... yes its local.\n");
- return(1);
- }
- }
-
- /* No hits. This is not a public client. */
- syslog(LOG_DEBUG, "... no it isn't.\n");
- return(0);
-}
-
-
-
-
-
-void citproto_begin_session() {
- if (CC->nologin==1) {
- cprintf("%d %s: Too many users are already online (maximum is %d)\n",
- ERROR + MAX_SESSIONS_EXCEEDED,
- CtdlGetConfigStr("c_nodename"), CtdlGetConfigInt("c_maxsessions")
- );