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/*----------------------------------------------------------------------------*/
/* Xymon monitor library. */
/* */
/* This file contains code to build the acknowledgement log shown on the */
/* "all non-green" page. */
/* */
/* Copyright (C) 2002-2011 Henrik Storner <henrik@storner.dk> */
/* */
/* This program is released under the GNU General Public License (GPL), */
/* version 2. See the file "COPYING" for details. */
/* */
/*----------------------------------------------------------------------------*/
static char rcsid[] = "$Id: acklog.c 8084 2019-08-30 23:01:18Z jccleaver $";
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include "libxymon.h"
int havedoneacklog = 0;
void do_acklog(FILE *output, int maxcount, int maxminutes)
{
FILE *acklog;
char acklogfilename[PATH_MAX];
time_t cutoff;
struct stat st;
char l[MAX_LINE_LEN];
char title[200];
ack_t *acks;
int num, ackintime_count;
havedoneacklog = 1;
cutoff = ( (maxminutes) ? (getcurrenttime(NULL) - maxminutes*60) : 0);
if ((!maxcount) || (maxcount > 100)) maxcount = 100;
snprintf(acklogfilename, sizeof(acklogfilename), "%s/acknowledge.log", xgetenv("XYMONSERVERLOGS"));
acklog = fopen(acklogfilename, "r");
if (!acklog) {
/* BB compatible naming */
snprintf(acklogfilename, sizeof(acklogfilename), "%s/acklog", xgetenv("XYMONACKDIR"));
acklog = fopen(acklogfilename, "r");
}
if (!acklog) {
/* If no acklog, that is OK - some people don't use acks */
dbgprintf("Cannot open acklog\n");
return;
}
/* HACK ALERT! */
if (stat(acklogfilename, &st) == 0) {
if (st.st_size != 0) {
/* Assume a log entry is max 150 bytes */
if (150*maxcount < st.st_size) {
fseeko(acklog, -150*maxcount, SEEK_END);
if ((fgets(l, sizeof(l), acklog) == NULL) || (strchr(l, '\n') == NULL)) {
errprintf("Oops - couldnt find a newline in acklog\n");
}
}
}
}
acks = (ack_t *) calloc(maxcount, sizeof(ack_t));
ackintime_count = num = 0;
while (fgets(l, sizeof(l), acklog)) {
char ackedby[MAX_LINE_LEN], hosttest[MAX_LINE_LEN], color[10], ackmsg[MAX_LINE_LEN];
char ackfn[PATH_MAX];
char *testname;
void *hinfo;
int ok;
if (atol(l) >= cutoff) {
int c_used;
char *p, *p1, *xymondacker = NULL;
unsigned int atim;
sscanf(l, "%u\t%d\t%d\t%d\t%s\t%s\t%s\t%n",
&atim, &acks[num].acknum,
&acks[num].duration, &acks[num].acknum2,
ackedby, hosttest, color, &c_used);
acks[num].acktime = atim;
p1 = ackmsg;
for (p=l+c_used, p1=ackmsg; (*p); ) {
/*
* Need to de-code the ackmsg - it may have been entered
* via a web page that did "%asciival" encoding.
*/
if ((*p == '%') && (strlen(p) >= 3) && isxdigit((int)*(p+1)) && isxdigit((int)*(p+2))) {
char hexnum[3];
hexnum[0] = *(p+1);
hexnum[1] = *(p+2);
hexnum[2] = '\0';
*p1 = (char) strtol(hexnum, NULL, 16);
p1++;
p += 3;
}
else {
*p1 = *p;
p1++;
p++;
}
}
*p1 = '\0';
/* Xymon uses \n in the ack message, for the "acked by" data. Cut it off. */
nldecode(ackmsg); p = strchr(ackmsg, '\n');
if (p) {
if (strncmp(p, "\nAcked by:", 10) == 0) xymondacker = p+10;
*p = '\0';
}
/* Show only the first 30 characters in message */
if (strlen(ackmsg) > 30) ackmsg[30] = '\0';
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-truncation"
#endif // __GNUC__
snprintf(ackfn, sizeof(ackfn), "%s/ack.%s", xgetenv("XYMONACKDIR"), hosttest);
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic pop
#endif // __GNUC__
testname = strrchr(hosttest, '.');
if (testname) {
*testname = '\0'; testname++;
}
else testname = "unknown";
ok = 1;
/* Ack occurred within wanted timerange ? */
if (ok && (acks[num].acktime < cutoff)) ok = 0;
/* Unknown host ? */
hinfo = hostinfo(hosttest);
if (!hinfo) ok = 0;
if (hinfo && xmh_item(hinfo, XMH_FLAG_NONONGREEN)) ok = 0;
if (ok) {
char *ackerp;
/* If ack has expired or tag file is gone, the ack is no longer valid */
acks[num].ackvalid = 1;
if ((acks[num].acktime + 60*acks[num].duration) < getcurrenttime(NULL)) acks[num].ackvalid = 0;
if (acks[num].ackvalid && (stat(ackfn, &st) != 0)) acks[num].ackvalid = 0;
if (strcmp(ackedby, "np_filename_not_used") != 0) {
ackerp = ackedby;
if (strncmp(ackerp, "np_", 3) == 0) ackerp += 3;
p = strrchr(ackerp, '_');
if (p > ackerp) *p = '\0';
acks[num].ackedby = strdup(ackerp);
}
else if (xymondacker) {
acks[num].ackedby = strdup(xymondacker);
}
else {
acks[num].ackedby = "";
}
acks[num].hostname = strdup(hosttest);
acks[num].testname = strdup(testname);
strncat(color, " ", (sizeof(color) - strlen(color))); acks[num].color = parse_color(color);
acks[num].ackmsg = strdup(ackmsg);
ackintime_count++;
num = (num + 1) % maxcount;
}
}
}
if (ackintime_count > 0) {
int firstack, lastack;
int period = maxminutes;
if (ackintime_count <= maxcount) {
firstack = 0;
lastack = ackintime_count-1;
period = maxminutes;
}
else {
firstack = num;
lastack = ( (num == 0) ? maxcount : (num-1));
ackintime_count = maxcount;
period = ((getcurrenttime(NULL)-acks[firstack].acktime) / 60);
}
snprintf(title, sizeof(title), "%d events acknowledged in the past %u minutes", ackintime_count, period);
fprintf(output, "<BR><BR>\n");
fprintf(output, "<TABLE SUMMARY=\"%s\" BORDER=0>\n", title);
fprintf(output, "<TR BGCOLOR=\"#333333\">\n");
fprintf(output, "<TD ALIGN=CENTER COLSPAN=6><FONT SIZE=-1 COLOR=\"#33ebf4\">%s</FONT></TD></TR>\n", title);
for (num = lastack; (ackintime_count); ackintime_count--, num = ((num == 0) ? (maxcount-1) : (num - 1)) ) {
fprintf(output, "<TR BGCOLOR=#000000>\n");
fprintf(output, "<TD ALIGN=CENTER><FONT COLOR=white>%s</FONT></TD>\n", ctime(&acks[num].acktime));
fprintf(output, "<TD ALIGN=CENTER BGCOLOR=%s><FONT COLOR=black>%s</FONT></TD>\n", colorname(acks[num].color), acks[num].hostname);
fprintf(output, "<TD ALIGN=CENTER><FONT COLOR=white>%s</FONT></TD>\n", acks[num].testname);
if (acks[num].color != -1) {
fprintf(output, "<TD ALIGN=CENTER><IMG SRC=\"%s/%s\"></TD>\n",
xgetenv("XYMONSKIN"),
dotgiffilename(acks[num].color, acks[num].ackvalid, 1));
}
else
fprintf(output, "<TD ALIGN=CENTER><FONT COLOR=white> </FONT></TD>\n");
fprintf(output, "<TD ALIGN=LEFT BGCOLOR=#000033>%s</TD>\n", acks[num].ackedby);
fprintf(output, "<TD ALIGN=LEFT>%s</TD></TR>\n", acks[num].ackmsg);
}
}
else {
snprintf(title, sizeof(title), "No events acknowledged in the last %u minutes", maxminutes);
fprintf(output, "<BR><BR>\n");
fprintf(output, "<TABLE SUMMARY=\"%s\" BORDER=0>\n", title);
fprintf(output, "<TR BGCOLOR=\"#333333\">\n");
fprintf(output, "<TD ALIGN=CENTER COLSPAN=6><FONT SIZE=-1 COLOR=\"#33ebf4\">%s</FONT></TD></TR>\n", title);
}
fprintf(output, "</TABLE>\n");
fclose(acklog);
}
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