--- /dev/null
+/*
+ * $Id$
+ *
+ * Command-line "who is online?" utility
+ *
+ */
+
+#include "sysdep.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <libcitadel.h>
+#include "citadel.h"
+#include "citadel_ipc.h"
+#include "citadel_dirs.h"
+
+void logoff(int code)
+{
+ exit(code);
+ }
+
+static void escapize(char *buf, size_t n) {
+ char hold[512];
+ int i, len;
+ size_t tmp;
+
+ strcpy(hold, buf);
+ strcpy(buf, "");
+ tmp = 0;
+ len = strlen(hold);
+ for (i=0; i<len; ++i) {
+ if (hold[i]=='<') {
+ snprintf(&buf[tmp], n - tmp, "<");
+ tmp += 4;
+ }
+ else if (hold[i]=='>'){
+ snprintf(&buf[tmp], n - tmp, ">");
+ tmp += 4;
+ }
+ else if (hold[i]==34){
+ snprintf(&buf[tmp], n - tmp, """);
+ tmp += 6;
+ }
+ else{
+ snprintf(&buf[tmp], n - tmp, "%c", hold[i]);
+ tmp ++;
+ }
+ }
+}
+
+
+
+
+int main(int argc, char **argv)
+{
+ char buf[512];
+ char nodetitle[SIZ];
+ int www = 0;
+ int s_pid = 0;
+ int my_pid = 0;
+ char hostbuf[SIZ];
+ char portbuf[SIZ];
+ char s_user[SIZ];
+ char s_room[SIZ];
+ char s_host[SIZ];
+ char s_client[SIZ];
+ int r; /* IPC response code */
+ time_t timenow;
+ char *listing = NULL;
+ CtdlIPC *ipc = NULL;
+ int relh=0;
+ int home=0;
+ char relhome[PATH_MAX]="";
+ char ctdldir[PATH_MAX]=CTDLDIR;
+
+ calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
+
+ /* If this environment variable is set, we assume that the program
+ * is being called as a cgi-bin from a webserver and will output
+ * everything as HTML.
+ */
+ if (getenv("REQUEST_METHOD") != NULL) www = 1;
+
+ ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
+ if (!ipc) {
+ fprintf(stderr, "Server not available: %s\n", strerror(errno));
+ logoff(errno);
+ }
+ CtdlIPC_chat_recv(ipc, buf);
+ if ((buf[0]!='2')&&(strncmp(buf,"551",3))) {
+ fprintf(stderr,"%s: %s\n",argv[0],&buf[4]);
+ logoff(atoi(buf));
+ }
+ strcpy(nodetitle, "this Citadel site");
+ r = CtdlIPCServerInfo(ipc, buf);
+ if (r / 100 == 1) {
+ my_pid = ipc->ServInfo.pid;
+ strcpy(nodetitle, ipc->ServInfo.humannode);
+ }
+
+ if (www) {
+ printf( "Content-type: text/html\n"
+ "\n"
+ "<HTML><HEAD>"
+ "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"60\">\n"
+ "<TITLE>");
+ printf("%s: who is online", nodetitle);
+ printf( "</TITLE></HEAD><BODY><H1>");
+ } else {
+ printf(" ");
+ }
+
+ if (www) {
+ printf("<CENTER><H1>");
+ }
+
+ printf("Users currently logged on to %s\n", nodetitle);
+
+ if (www) {
+ printf("</H1>\n");
+ }
+
+ r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
+ if (r / 100 != 1) {
+ fprintf(stderr,"%s: %s\n",argv[0], buf);
+ logoff(atoi(buf));
+ }
+
+ if (www) {
+ printf( "<TABLE BORDER=1 WIDTH=100%%>"
+ "<TR><TH>Session</TH><TH>User name</TH>"
+ "<TH>Room</TH><TH>From host</TH>"
+ "<TH>Client software</TH></TR>\n");
+ } else {
+
+ printf( "Session User name "
+ "Room From host\n");
+ printf( "------- ------------------------- "
+ "------------------- ------------------------\n");
+ }
+
+
+ while (!IsEmptyStr(listing)) {
+ extract_token(buf, listing, 0, '\n', sizeof buf);
+ remove_token(listing, 0, '\n');
+
+ /* Escape some stuff if we're using www mode */
+ if (www) escapize(buf, sizeof buf);
+
+ s_pid = extract_int(buf,0);
+ extract_token(s_user, buf, 1, '|', sizeof s_user);
+ extract_token(s_room, buf, 2, '|', sizeof s_room);
+ extract_token(s_host, buf, 3, '|', sizeof s_host);
+ extract_token(s_client, buf, 4, '|', sizeof s_client);
+ if (s_pid != my_pid) {
+
+ if (www) printf("<TR><TD>");
+ printf("%-7d", s_pid);
+ printf("%c",
+ ((s_pid == my_pid) ? '*' : ' '));
+ if (www) printf("</TD><TD>");
+ printf("%-26s", s_user);
+ if (www) printf("</TD><TD>");
+ printf("%-19s ", s_room);
+ if (www) printf("</TD><TD>");
+ printf("%-24s\n", s_host);
+ if (www) printf("</TD><TD>%s</TD></TR>\n", s_client);
+ }
+ }
+ free(listing);
+
+ if (www) printf("</TABLE></CENTER>\n"
+ "<FONT SIZE=-1>"
+ "(This display will automatically refresh "
+ "once per minute)</FONT>\n"
+ "</BODY></HTML>\n");
+
+ r = CtdlIPCQuit(ipc);
+ return (r / 100 == 2) ? 0 : r;
+}
+
+
+/*
+ * Stub function
+ */
+void stty_ctdl(int cmd) {
+}
+
+
+#ifndef HAVE_STRERROR
+/*
+ * replacement strerror() for systems that don't have it
+ */
+char *strerror(int e)
+{
+ static char buf[32];
+
+ snprintf(buf, sizeof buf, "errno = %d",e);
+ return(buf);
+ }
+#endif
projects / citadel.git / blobdiff