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log_acct.c
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log_acct.c
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#ifndef LINT
static char sccs_id[]="Module @(#)log_acct.c 1.2 Date 00/02/21 Hour 11:51:04";
#endif
/*******************************************************************************
log_acct - Programma che mediante utilizzo file di sistema wtmp
elabora un report di statistica
*******************************************************************************/
#include <stdio.h>
#include <sys/types.h>
#include <utmp.h>
#include <time.h>
#include <string.h>
#define MAX_USERS 100
#define MAX_HOSTS 100
#define MAX_RIGHE 500
#define TRUE 1
#define FALSE 0
#define NOTFOUND "---------------"
#define BLANK " "
typedef struct {
char user[10]; /* Utente */
char line[10]; /* Linea */
char host[16]; /* Host */
long inizio; /* Ora inizio collegamento */
} ACCT;
typedef struct {
char user[10]; /* Utente */
char data[15]; /* Data */
char host[16]; /* Host */
long tempo; /* Ora inizio collegamento */
} SUMM;
ACCT acct[MAX_USERS]; /* Struct con record memorizzati */
SUMM summ[MAX_RIGHE]; /* Struct con record x somma */
char hosts[MAX_HOSTS][50]; /* Hosts da controllare */
char users[MAX_USERS][50]; /* Users da controllare */
int ok_ck_hosts; /* Flag di controllo su alcuni hosts */
int ok_ck_users; /* Flag di controllo su alcuni users */
FILE *fp; /* Puntatore al file wtmp */
int n_byte; /* N^ di record letti */
int ind; /* Comodo */
int ind1; /* Comodo */
struct utmp record; /* Record wtmp letto */
struct tm *ora_locale; /* Ora locale */
time_t ora_corrente; /* Ora corrente */
time_t delta; /* Ora corrente */
int delta_H; /* Ore di collegamento */
int delta_M; /* Minuti di collegamento */
int delta_S; /* Secondi di collegamento */
int ok_debug; /* Flag OK per debug */
int video; /* Flag OK per video */
char *pointer; /* Comodo */
char orarioi[256]; /* Stringa con l'ora da stampare */
char orariof[256]; /* Stringa con l'ora da stampare */
char ck_line[50]; /* linea da controllare */
char ck_data[50]; /* Data da controllare */
char file_to_open[50]; /* File da aprire */
int sumdate; /* Group by linea */
int sumhost; /* Group by host */
int sumuser; /* Group by utente */
char machine[50]; /* Nome dell'Host di provenienza */
char *strstr();
struct tm *localtime();
size_t fread();
void *memset();
void *memcpy();
void exit();
void perror();
void tratto();
main(int argc,char *argv[])
{
gethostname(machine,sizeof(machine));
/************************************
Valorizzazione a NULL della struct
************************************/
for(ind=0;ind < MAX_USERS;ind++) {
memset((void *)&acct[ind],0,sizeof(ACCT));
}
for(ind=0;ind < MAX_RIGHE;ind++) {
memset((void *)&acct[ind],0,sizeof(ACCT));
}
memset((void *)hosts,0,sizeof(hosts));
memset((void *)file_to_open,0,sizeof(file_to_open));
ck_line[0] = 0;
ck_data[0] = 0;
sumdate = 0;
sumhost = 0;
sumuser = 0;
video = 0;
argc--;
while(argc > 0) {
/**************************************
Controllo se devo visualizzare HELP
**************************************/
if(strcmp(argv[argc],"-h") == 0) {
printf("%s: usage:\n",argv[0]);
printf(" %s [-fFILE_NAME] Legge dati dal file dato\n",argv[0]);
printf(" %s [-uUSER_NAME] Login dell'utente digitato\n",argv[0]);
#ifndef DPX
/*******************************************************************************
LA SEGUENTE PORZIONE DI CODICE E'INCLUSA NELL'ESEGUIBILE SOLO SE
NON SIAMO SU DPX
*******************************************************************************/
printf(" %s [-hHOST_NAME] Login dell'host digitato\n",argv[0]);
/******************************************************************************/
#endif
printf(" %s [-dYYMMDD] Login nella data digitata\n",argv[0]);
printf(" %s [-sumuser] Somma i tempi di Login per utente\n",
argv[0]);
#ifndef DPX
/*******************************************************************************
LA SEGUENTE PORZIONE DI CODICE E'INCLUSA NELL'ESEGUIBILE SOLO SE
NON SIAMO SU DPX
*******************************************************************************/
printf(" %s [-sumhost] Somma i tempi di Login per host\n",
argv[0]);
/******************************************************************************/
#endif
printf(" %s [-sumdate] Somma i tempi di Login per data\n",
argv[0]);
exit(0);
}
/**************************************
Controllo se output come file o video
**************************************/
if(strcmp(argv[argc],"video") == 0) {
video = TRUE;
argc--;
continue;
}
/**************************************
Controllo se devo attivare il DEBUG
**************************************/
if(strcmp(argv[argc],"debug") == 0) {
ok_debug = TRUE;
argc--;
continue;
}
/*****************************************
Controllo se e' stato dato nome utente
*****************************************/
if((pointer=strstr(argv[argc],"-u")) != (char *)NULL) {
pointer = pointer+2;
ok_ck_users = TRUE;
for(ind=0; ind < MAX_HOSTS; ind++)
if(strlen(users[ind]) == 0) {
strcpy(users[ind],pointer);
break;
}
argc--;
continue;
}
#ifndef DPX
/*******************************************************************************
LA SEGUENTE PORZIONE DI CODICE E'INCLUSA NELL'ESEGUIBILE SOLO SE
NON SIAMO SU DPX
*******************************************************************************/
/****************************************************
Controllo se e' stata data rete da non controllare
****************************************************/
if((pointer=strstr(argv[argc],"-h")) != (char *)NULL) {
pointer = pointer + 2;
ok_ck_hosts = TRUE;
for(ind=0; ind < MAX_HOSTS; ind++)
if(strlen(hosts[ind]) == 0) {
strcpy(hosts[ind],pointer);
break;
}
argc--;
continue;
}
/******************************************************************************/
#endif
/*************************************
Controllo se e' stata data una linea
*************************************/
if((pointer=strstr(argv[argc],"-l")) != (char *)NULL) {
pointer = pointer + 2;
strcpy(ck_line,pointer);
argc--;
continue;
}
/*************************************
Controllo se e' stato data un file
*************************************/
if((pointer=strstr(argv[argc],"-f")) != (char *)NULL) {
pointer = pointer + 2;
strcpy(file_to_open,pointer);
printf("file_to_open %s\n",file_to_open);
argc--;
continue;
}
/*************************************
Controllo se e' stato data una data
*************************************/
if((pointer=strstr(argv[argc],"-d")) != (char *)NULL) {
pointer = pointer + 2;
strcpy(ck_data,pointer);
argc--;
continue;
}
/*************************************
Controllo se devo sommare x utente
*************************************/
if((pointer=strstr(argv[argc],"-sumuser")) != (char *)NULL) {
sumuser = TRUE;
argc--;
continue;
}
/*************************************
Controllo se devo sommare x date
*************************************/
if((pointer=strstr(argv[argc],"-sumdate")) != (char *)NULL) {
sumdate = TRUE;
argc--;
continue;
}
#ifndef DPX
/*******************************************************************************
LA SEGUENTE PORZIONE DI CODICE E'INCLUSA NELL'ESEGUIBILE SOLO SE
NON SIAMO SU DPX
*******************************************************************************/
/*************************************
Controllo se devo sommare x host
*************************************/
if((pointer=strstr(argv[argc],"-sumhost")) != (char *)NULL) {
sumhost = TRUE;
argc--;
continue;
}
/******************************************************************************/
#endif
argc--;
}
/************************
Se non ho dato file
prendo wtmp standard
************************/
if(file_to_open[0] == '\0')
strcpy(file_to_open,WTMP_FILE);
/*************************
Apertura del file wtmp
*************************/
if((fp=fopen(file_to_open,"r")) == (FILE *)NULL) {
perror("Errore open");
exit(-1);
}
/***************
Leggo il file
***************/
tratto();
fclose(fp);
}
/*******************************************************************************
tratto - Routine di gestione lettura e print dati
*******************************************************************************/
void tratto()
{
time_t time();
char orario[256];
char como[256];
char line[20];
char name[10];
char host[20];
long tempo;
int type_of_sum;
int found;
/*********************************************
Costruisco la variabile che mi permette di
identificare il raggruppamento di somma
*********************************************/
type_of_sum = 0;
if(sumuser == TRUE )
type_of_sum = type_of_sum + 100;
if(sumdate == TRUE )
type_of_sum = type_of_sum + 10;
if(sumhost == TRUE )
type_of_sum = type_of_sum + 1;
/*******************
Ciclo di lettura
*******************/
while((n_byte = fread((void *)&record,sizeof(struct utmp),1,fp)) == 1) {
memset((void *)line,0,sizeof(line));
memset((void *)name,0,sizeof(name));
memset((void *)host,0,sizeof(host));
memset((void *)&tempo,0,sizeof(tempo));
memcpy((void *)line,(void *)record.ut_line,sizeof(record.ut_line));
memcpy((void *)name,(void *)record.ut_name,sizeof(record.ut_name));
#ifndef DPX
/*******************************************************************************
LA SEGUENTE PORZIONE DI CODICE E'INCLUSA NELL'ESEGUIBILE SOLO SE
NON SIAMO SU DPX
*******************************************************************************/
memcpy((void *)host,(void *)record.ut_host,sizeof(record.ut_host));
/******************************************************************************/
#endif
memcpy((void *)&tempo,(void *)&record.ut_time,sizeof(record.ut_time));
/***************************************
Scarto messaggi che non interessano
***************************************/
if(strcmp(line,OTIME_MSG) == 0 ||
strcmp(line,NTIME_MSG) == 0 )
continue;
#ifndef DPX
/*******************************************************************************
LA SEGUENTE PORZIONE DI CODICE E'INCLUSA NELL'ESEGUIBILE SOLO SE
NON SIAMO SU DPX
*******************************************************************************/
if(strlen(name) != 0 &&
strcmp(line,BOOT_MSG) != 0 ) {
/******************************************************************************/
#else
/*******************************************************************************
LA SEGUENTE PORZIONE DI CODICE E'INCLUSA NELL'ESEGUIBILE SOLO SE
SIAMO SU DPX
*******************************************************************************/
if(strlen(name) != 0 &&
record.ut_type == 7 &&
strcmp(line,BOOT_MSG) != 0 ) {
/******************************************************************************/
#endif
/********************************
Se ricerco utente particolare
scarto gli altri
********************************/
found = TRUE;
if(ok_ck_users == TRUE) {
found = FALSE;
for(ind1=0,found=FALSE;ind1 < MAX_USERS && !found;ind1++) {
if(strlen(users[ind1]) == 0)
break;
if(strcmp(users[ind1],name) == 0) {
found = TRUE;
}
}
}
if(found == FALSE)
continue;
/********************************
Se ricerco hosts particolari
scarto gli altri
********************************/
found = TRUE;
if(ok_ck_hosts == TRUE) {
found = FALSE;
for(ind1=0,found=FALSE;ind1 < MAX_HOSTS && !found;ind1++) {
if(strlen(hosts[ind1]) == 0)
break;
if(strcmp(hosts[ind1],host) == 0) {
found = TRUE;
}
}
}
if(found == FALSE)
continue;
/***********************************
Se ricerco line/lines particolare
scarto le altre
***********************************/
if(strlen(ck_line) > 0 ) {
if(strstr(line,ck_line) == (char *)NULL)
continue;
}
/********************************
Se ricerco data particolare
scarto le altre
********************************/
if(strlen(ck_data) > 0 ) {
ora_locale = localtime((time_t *)&tempo);
strftime(como,256,"%y%m%d",ora_locale);
if(strcmp(como,ck_data) != 0 )
continue;
}
/*******************************************
Memorizzo record di inizio collegamento
*******************************************/
found = FALSE;
/***************************************************************
Se ho gia' la struttura in memoria aggiorno data collegamento
***************************************************************/
for(ind=0;ind < MAX_USERS; ind++) {
if(strcmp(acct[ind].user,name) == 0 &&
strcmp(acct[ind].line,line) == 0 &&
strcmp(acct[ind].host,host) == 0 ) {
acct[ind].inizio = tempo;
found = TRUE;
break;
}
}
if(found == FALSE) {
for(ind=0;ind < MAX_USERS; ind++) {
if(strlen(acct[ind].user) == 0) {
strcpy(acct[ind].user,name);
strcpy(acct[ind].line,line);
strcpy(acct[ind].host,host);
acct[ind].inizio = tempo;
break;
}
}
}
} else {
if(strcmp(line,BOOT_MSG) == 0 ) {
for(ind=0;ind < MAX_USERS; ind++) {
if(strlen(acct[ind].user) > 0) {
if(video) {
/************************************
Riempio a spazio i campi di print
************************************/
while(strlen(acct[ind].user) < 8)
strcat(acct[ind].user," ");
while(strlen(acct[ind].line) < 8)
strcat(acct[ind].line," ");
while(strlen(acct[ind].host) < 15)
strcat(acct[ind].host," ");
}
/*******************
Tronco alla fine
*******************/
acct[ind].user[8] = 0;
acct[ind].line[8] = 0;
acct[ind].host[15] = 0;
/*******************************
Mi proteggo su orario errato
*******************************/
if(tempo < acct[ind].inizio)
tempo = acct[ind].inizio;
/********************************************
Rendo printabile le date di login e logout
********************************************/
ora_locale = localtime((time_t *)&acct[ind].inizio);
if(video)
strftime(orarioi,256,"%d/%m %H:%M",ora_locale);
else
strftime(orarioi,256,"%d/%m/%y|%H:%M",ora_locale);
ora_locale = localtime((time_t *)&tempo);
if(video)
strftime(orariof,256,"%d/%m %H:%M",ora_locale);
else
strftime(orariof,256,"%d/%m/%y|%H:%M",ora_locale);
if(strcmp(acct[ind].host,BLANK) == 0)
strcpy(acct[ind].host,NOTFOUND);
/********************************
Calcolo tempo di collegamento
********************************/
delta = tempo - acct[ind].inizio;
delta_H = delta / 3600;
delta_M = (delta % 3600) / 60;
delta_S = ((delta % 3600) % 60);
/************************************************
Non stampo dettaglio se ho richiesto la somma
************************************************/
if(type_of_sum == 0) {
if (video)
printf("%s %s %s Login %s Logout %s %02d:%02d Reboot\n",
acct[ind].user,
acct[ind].line,
acct[ind].host,
orarioi,
orariof,
delta_H,
delta_M);
else
printf("%s|%s|%s|%s|%s|%02d:%02d|%06ld|%s|\n",
acct[ind].user,
acct[ind].line,
acct[ind].host,
orarioi,
orariof,
delta_H,
delta_M,
delta,
machine);
} else {
/****************
SOMMO I TEMPI
****************/
for(ind1=0,found=0;ind1 < MAX_RIGHE && !found;ind1++) {
ora_locale = localtime((time_t *)&acct[ind].inizio);
strftime(como,256,"%d/%m/%y",ora_locale);
if(strlen(summ[ind1].user) == 0) {
strcpy(summ[ind1].user,acct[ind].user);
strcpy(summ[ind1].data,como);
strcpy(summ[ind1].host,acct[ind].host);
summ[ind1].tempo = delta;
break;
}
/******************************************
Controllo il tipo di somma da effettuare
******************************************/
switch(type_of_sum) {
case 1:
/*****************
Host
*****************/
if(strcmp(summ[ind1].host,acct[ind].host) == 0){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 10:
/*****************
Date
*****************/
if(strcmp(summ[ind1].data,como) == 0 ) {
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 11:
/*****************
Date Host
*****************/
if(strcmp(summ[ind1].data,como) ==0 &&
strcmp(summ[ind1].host,acct[ind].host)==0 ){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 100:
/*****************
User
*****************/
if(strcmp(summ[ind1].user,acct[ind].user) == 0){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 101:
/*****************
User Host
*****************/
if(strcmp(summ[ind1].user,acct[ind].user)==0 &&
strcmp(summ[ind1].host,acct[ind].host)==0 ){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 110:
/*****************
User Date
*****************/
if(strcmp(summ[ind1].user,acct[ind].user)==0 &&
strcmp(summ[ind1].data,como) ==0 ){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 111:
/*****************
User Date Host
*****************/
if(strcmp(summ[ind1].user,acct[ind].user)==0 &&
strcmp(summ[ind1].data,como) ==0 &&
strcmp(summ[ind1].host,acct[ind].host)==0 ){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
}
}
}
/************************
Azzero record trattato
************************/
acct[ind].user[0] = 0;
acct[ind].line[0] = 0;
acct[ind].host[0] = 0;
acct[ind].inizio = 0;
}
}
}
#ifdef DPX
/*******************************************************************************
LA SEGUENTE PORZIONE DI CODICE E'INCLUSA NELL'ESEGUIBILE SOLO SE
SIAMO SU DPX
*******************************************************************************/
if(record.ut_type != 8 &&
record.ut_type != 7 )
continue;
if(strlen(line) < 1)
continue;
/******************************************************************************/
#endif
/********************************************
Cerco in struct l'inizio del collegamento
********************************************/
for(ind=0;ind < MAX_USERS; ind++) {
if(strcmp(acct[ind].line,line) == 0) {
if(video) {
/************************************
Riempio a spazio i campi di print
************************************/
while(strlen(acct[ind].user) < 8)
strcat(acct[ind].user," ");
while(strlen(acct[ind].line) < 8)
strcat(acct[ind].line," ");
while(strlen(acct[ind].host) < 15)
strcat(acct[ind].host," ");
}
/*******************
Tronco alla fine
*******************/
acct[ind].user[8] = 0;
acct[ind].line[8] = 0;
acct[ind].host[15] = 0;
/********************************************
Rendo printabile le date di login e logout
********************************************/
ora_locale = localtime((time_t *)&acct[ind].inizio);
if(video)
strftime(orarioi,256,"%d/%m %H:%M",ora_locale);
else
strftime(orarioi,256,"%d/%m/%y|%H:%M",ora_locale);
ora_locale = localtime((time_t *)&tempo);
if(video)
strftime(orariof,256,"%d/%m %H:%M",ora_locale);
else
strftime(orariof,256,"%d/%m/%y|%H:%M",ora_locale);
if(strcmp(acct[ind].host,BLANK) == 0)
strcpy(acct[ind].host,NOTFOUND);
/********************************
Calcolo tempo di collegamento
********************************/
delta = tempo - acct[ind].inizio;
delta_H = delta / 3600;
delta_M = (delta % 3600) / 60;
delta_S = ((delta % 3600) % 60);
/************************************************
Non stampo dettaglio se ho richiesto la somma
************************************************/
if(type_of_sum == 0) {
if (video)
printf("%s %s %s Login %s Logout %s %02d:%02d\n",
acct[ind].user,
acct[ind].line,
acct[ind].host,
orarioi,
orariof,
delta_H,
delta_M);
else
printf("%s|%s|%s|%s|%s|%02d:%02d|%06ld|%s|\n",
acct[ind].user,
acct[ind].line,
acct[ind].host,
orarioi,
orariof,
delta_H,
delta_M,
delta,
machine);
} else {
/****************
SOMMO I TEMPI
****************/
for(ind1=0,found=0;ind1 < MAX_RIGHE && !found;ind1++) {
ora_locale = localtime((time_t *)&acct[ind].inizio);
strftime(como,256,"%d/%m/%y",ora_locale);
if(strlen(summ[ind1].user) == 0) {
strcpy(summ[ind1].user,acct[ind].user);
strcpy(summ[ind1].data,como);
strcpy(summ[ind1].host,acct[ind].host);
summ[ind1].tempo = delta;
break;
}
/******************************************
Controllo il tipo di somma da effettuare
******************************************/
switch(type_of_sum) {
case 1:
/*****************
Host
*****************/
if(strcmp(summ[ind1].host,acct[ind].host) == 0){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 10:
/*****************
Date
*****************/
if(strcmp(summ[ind1].data,como) == 0 ) {
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 11:
/*****************
Date Host
*****************/
if(strcmp(summ[ind1].data,como) ==0 &&
strcmp(summ[ind1].host,acct[ind].host)==0 ){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 100:
/*****************
User
*****************/
if(strcmp(summ[ind1].user,acct[ind].user) == 0){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 101:
/*****************
User Host
*****************/
if(strcmp(summ[ind1].user,acct[ind].user)==0 &&
strcmp(summ[ind1].host,acct[ind].host)==0 ){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 110:
/*****************
User Date
*****************/
if(strcmp(summ[ind1].user,acct[ind].user)==0 &&
strcmp(summ[ind1].data,como) ==0 ){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
case 111:
/*****************
User Date Host
*****************/
if(strcmp(summ[ind1].user,acct[ind].user)==0 &&
strcmp(summ[ind1].data,como) ==0 &&
strcmp(summ[ind1].host,acct[ind].host)==0 ){
summ[ind1].tempo = summ[ind1].tempo+delta;
found = TRUE;
}
break;
}
}
}
/************************
Azzero record trattato
************************/
acct[ind].user[0] = 0;
acct[ind].line[0] = 0;
acct[ind].host[0] = 0;
acct[ind].inizio = 0;
break;
}
}
}
}
if(type_of_sum == 0) {
/***********************
Utenti ancora logati
***********************/
for(ind=0;ind < MAX_USERS; ind++) {
if(strlen(acct[ind].user) > 0) {
if(video) {
/************************************
Riempio a spazio i campi di print
************************************/
while(strlen(acct[ind].user) < 8)
strcat(acct[ind].user," ");
while(strlen(acct[ind].line) < 8)
strcat(acct[ind].line," ");
while(strlen(acct[ind].host) < 15)
strcat(acct[ind].host," ");
}
/*******************
Tronco alla fine
*******************/
acct[ind].user[8] = 0;
acct[ind].line[8] = 0;
acct[ind].host[15] = 0;
/***********************************
Rendo printabile le date di login
***********************************/
ora_corrente = time((time_t *)NULL);
ora_locale = localtime(&ora_corrente);
strftime(orario,256,"%D",ora_locale);
ora_locale = localtime((time_t *)&acct[ind].inizio);
strftime(orarioi,256,"%D",ora_locale);
/***********************
Scarto record appesi
***********************/
if(strcmp(orario,orarioi) != 0)
continue;
ora_locale = localtime((time_t *)&acct[ind].inizio);
strftime(orarioi,256,"%d/%m %H:%M",ora_locale);
if(video)
printf("%s %s %s Login %s Ancora collegato\n",
acct[ind].user,
acct[ind].line,
acct[ind].host,
orarioi);
}
}
} else {
if(video) {
for(ind =0;ind < MAX_RIGHE;ind ++) {
if(strlen(summ[ind].user) > 0) {
/************************************
Riempio a spazio i campi di print
************************************/
while(strlen(summ[ind].user) < 8)
strcat(summ[ind].user," ");
while(strlen(summ[ind].host) < 15)