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#if !defined(lint) && !defined(DOS)
static char rcsid[] = "$Id: pine-use.c 761 2007-10-23 22:35:18Z hubert@u.washington.edu $";
#endif
/*
* ========================================================================
* Copyright 2013-2019 Eduardo Chappa
* Copyright 2006 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* ========================================================================
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <pwd.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifndef MAILSPOOLPCTS
#define MAILSPOOLPCTS "/usr/spool/mail/%s"
/* #define MAILSPOOLPCTS "/usr/mail/%s" */
#endif
#define DAYSEC (60*60*24)
main(argc, argv)
int argc;
char **argv;
{
struct passwd *pw;
char filename[100], buf[100], *p;
struct stat statb;
long now, inbox_mess, inboxes, inbox_mess_max;
int core_files, c, core_id, count, sig_files;
int user_count[6], so_far;
FILE *f, *core;
user_count[0] = 0; /* Last week */
user_count[1] = 0; /* Last 2 weeks */
user_count[2] = 0; /* Last month */
user_count[3] = 0; /* Last year */
user_count[4] = 0; /* Ever */
sig_files = 0;
core_files = 0;
inboxes = 0;
inbox_mess = 0;
inbox_mess_max = 0;
now = time(0);
core = NULL;
if(argc > 1) {
core_id = atoi(argv[1]);
if(core_id == 0){
fprintf(stderr, "Bogus core starting number\n");
exit(-1);
} else {
printf("Core collect starting at %d\n", core_id);
core = fopen("pine-core-collect.sh", "w");
}
}
so_far = 0;
while((pw = getpwent()) != NULL) {
so_far++;
if((so_far % 200) == 0) {
printf("%5d users processed so far\n", so_far);
}
if(pw->pw_dir && *pw->pw_dir == '/' && pw->pw_dir[1] == '\0')
continue;
snprintf(filename, sizeof(filename), "%s/.pinerc", pw->pw_dir);
if(stat(filename, &statb) < 0)
continue;
if(statb.st_mtime + 7 * DAYSEC > now)
user_count[0]++;
else if(statb.st_mtime + 14 * DAYSEC > now)
user_count[1]++;
else if(statb.st_mtime + 30 * DAYSEC > now)
user_count[2]++;
else if(statb.st_mtime + 365 * DAYSEC > now)
user_count[3]++;
else
user_count[4]++;
if(statb.st_mtime + 30 * DAYSEC >= now) {
count = mail_file_size(pw->pw_name);
if(count >= 0){
inboxes++;
inbox_mess += count;
inbox_mess_max = inbox_mess_max > count ? inbox_mess_max:count;
}
}
snprintf(filename, sizeof(filename), "%s/.signature", pw->pw_dir);
if(access(filename, 0) == 0)
sig_files++;
snprintf(filename, sizeof(filename), "%s/core", pw->pw_dir);
if((f = fopen(filename, "r")) != NULL) {
fflush(stdout);
while((c = getc(f)) != EOF) {
if(c == 'P'){
p = buf;
*p++ = c;
while((c = getc(f)) != EOF) {
*p++ = c;
if(p > &buf[50]) {
break;
}
if(c == ')') {
break;
}
}
*p = '\0';
if(c == EOF)
break;
if(strncmp(&buf[strlen(buf) - 13], "(olivebranch)", 13) == 0) {
printf("%s\t%s\n", filename, buf + 14);
core_files++;
if(core != NULL) {
fprintf(core, "mv %s core%d.%s\n", filename,
core_id++,pw->pw_name);
}
break;
}
}
}
fclose(f);
} else {
/* printf("%s\n", pw->pw_name); */
}
}
printf("%5d: last week\n", user_count[0]);
printf("%5d: last two weeks (+%d)\n", user_count[1] + user_count[0],
user_count[1]);
printf("%5d: last month (+%d)\n", user_count[2] + user_count[1] + user_count[0], user_count[2]);
printf("%5d: last year\n", user_count[3]);
printf("%5d: more than a year\n", user_count[4]);
printf("%5d: core files\n", core_files);
printf("%5ld: Average messages in inbox (%ld/%ld)\n",
inbox_mess/(inboxes ? inboxes : 1), inbox_mess, inboxes);
printf("%5d: Largest inbox in messages\n", inbox_mess_max);
printf("%5d: Total users checked\n", so_far);
printf("%5d: signature files\n", sig_files);
}
mail_file_size(user)
char *user;
{
int count = 0;
FILE *f;
char buf[20480];
snprintf(buf, sizeof(buf), MAILSPOOLPCTS, user);
f = fopen(buf, "r");
if(f == NULL)
return(-1);
while(fgets(buf, sizeof(buf), f) != NULL) {
if(strncmp(buf, "From ", 5) == 0)
count++;
}
fclose(f);
/* printf("%s %d\n", user, count); */
return(count);
}
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