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Diffstat (limited to 'usr.sbin/newsyslog/newsyslog.c')
-rw-r--r--usr.sbin/newsyslog/newsyslog.c568
1 files changed, 0 insertions, 568 deletions
diff --git a/usr.sbin/newsyslog/newsyslog.c b/usr.sbin/newsyslog/newsyslog.c
deleted file mode 100644
index ba21b6ee84e6..000000000000
--- a/usr.sbin/newsyslog/newsyslog.c
+++ /dev/null
@@ -1,568 +0,0 @@
-/*
- * This file contains changes from the Open Software Foundation.
- */
-
-/*
-
-Copyright 1988, 1989 by the Massachusetts Institute of Technology
-
-Permission to use, copy, modify, and distribute this software
-and its documentation for any purpose and without fee is
-hereby granted, provided that the above copyright notice
-appear in all copies and that both that copyright notice and
-this permission notice appear in supporting documentation,
-and that the names of M.I.T. and the M.I.T. S.I.P.B. not be
-used in advertising or publicity pertaining to distribution
-of the software without specific, written prior permission.
-M.I.T. and the M.I.T. S.I.P.B. make no representations about
-the suitability of this software for any purpose. It is
-provided "as is" without express or implied warranty.
-
-*/
-
-/*
- * newsyslog - roll over selected logs at the appropriate time,
- * keeping the a specified number of backup files around.
- *
- * $Source: /a/cvsroot/src/usr.bin/newsyslog/newsyslog.c,v $
- * $Author: jtc $
- */
-
-#ifndef lint
-static char rcsid[] = "$Id: newsyslog.c,v 1.9 1995/01/21 21:53:46 jtc Exp $";
-#endif /* not lint */
-
-#ifndef CONF
-#define CONF "/etc/athena/newsyslog.conf" /* Configuration file */
-#endif
-#ifndef PIDFILE
-#define PIDFILE "/etc/syslog.pid"
-#endif
-#ifndef COMPRESS
-#define COMPRESS "/usr/ucb/compress" /* File compression program */
-#endif
-#ifndef COMPRESS_POSTFIX
-#define COMPRESS_POSTFIX ".Z"
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <signal.h>
-#include <pwd.h>
-#include <grp.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-#include <sys/param.h>
-#include <sys/wait.h>
-
-#define kbytes(size) (((size) + 1023) >> 10)
-#ifdef _IBMR2
-/* Calculates (db * DEV_BSIZE) */
-#define dbtob(db) ((unsigned)(db) << UBSHIFT)
-#endif
-
-#define CE_COMPACT 1 /* Compact the achived log files */
-#define CE_BINARY 2 /* Logfile is in binary, don't add */
- /* status messages */
-#define NONE -1
-
-struct conf_entry {
- char *log; /* Name of the log */
- int uid; /* Owner of log */
- int gid; /* Group of log */
- int numlogs; /* Number of logs to keep */
- int size; /* Size cutoff to trigger trimming the log */
- int hours; /* Hours between log trimming */
- int permissions; /* File permissions on the log */
- int flags; /* Flags (CE_COMPACT & CE_BINARY) */
- struct conf_entry *next; /* Linked list pointer */
-};
-
-extern int optind;
-extern char *optarg;
-extern char *malloc();
-extern uid_t getuid(),geteuid();
-extern time_t time();
-
-char *progname; /* contains argv[0] */
-int verbose = 0; /* Print out what's going on */
-int needroot = 1; /* Root privs are necessary */
-int noaction = 0; /* Don't do anything, just show it */
-char *conf = CONF; /* Configuration file to use */
-time_t timenow;
-int syslog_pid; /* read in from /etc/syslog.pid */
-#define MIN_PID 3
-#define MAX_PID 65534
-char hostname[64]; /* hostname */
-char *daytime; /* timenow in human readable form */
-
-
-struct conf_entry *parse_file();
-char *sob(), *son(), *strdup(), *missing_field();
-
-main(argc,argv)
- int argc;
- char **argv;
-{
- struct conf_entry *p, *q;
-
- PRS(argc,argv);
- if (needroot && getuid() && geteuid()) {
- fprintf(stderr,"%s: must have root privs\n",progname);
- exit(1);
- }
- p = q = parse_file();
- while (p) {
- do_entry(p);
- p=p->next;
- free((char *) q);
- q=p;
- }
- exit(0);
-}
-
-do_entry(ent)
- struct conf_entry *ent;
-
-{
- int size, modtime;
-
- if (verbose) {
- if (ent->flags & CE_COMPACT)
- printf("%s <%dZ>: ",ent->log,ent->numlogs);
- else
- printf("%s <%d>: ",ent->log,ent->numlogs);
- }
- size = sizefile(ent->log);
- modtime = age_old_log(ent->log);
- if (size < 0) {
- if (verbose)
- printf("does not exist.\n");
- } else {
- if (verbose && (ent->size > 0))
- printf("size (Kb): %d [%d] ", size, ent->size);
- if (verbose && (ent->hours > 0))
- printf(" age (hr): %d [%d] ", modtime, ent->hours);
- if (((ent->size > 0) && (size >= ent->size)) ||
- ((ent->hours > 0) && ((modtime >= ent->hours)
- || (modtime < 0)))) {
- if (verbose)
- printf("--> trimming log....\n");
- if (noaction && !verbose) {
- if (ent->flags & CE_COMPACT)
- printf("%s <%dZ>: trimming",
- ent->log,ent->numlogs);
- else
- printf("%s <%d>: trimming",
- ent->log,ent->numlogs);
- }
- dotrim(ent->log, ent->numlogs, ent->flags,
- ent->permissions, ent->uid, ent->gid);
- } else {
- if (verbose)
- printf("--> skipping\n");
- }
- }
-}
-
-PRS(argc,argv)
- int argc;
- char **argv;
-{
- int c;
- FILE *f;
- char line[BUFSIZ];
- char *p;
-
- progname = argv[0];
- timenow = time((time_t *) 0);
- daytime = ctime(&timenow) + 4;
- daytime[16] = '\0';
-
- /* Let's find the pid of syslogd */
- syslog_pid = 0;
- f = fopen(PIDFILE,"r");
- if (f && fgets(line,BUFSIZ,f))
- syslog_pid = atoi(line);
- if (f)
- (void)fclose(f);
-
- /* Let's get our hostname */
- (void) gethostname(hostname, sizeof(hostname));
-
- /* Truncate domain */
- if (p = strchr(hostname, '.')) {
- *p = '\0';
- }
-
- optind = 1; /* Start options parsing */
- while ((c=getopt(argc,argv,"nrvf:t:")) != EOF)
- switch (c) {
- case 'n':
- noaction++; /* This implies needroot as off */
- /* fall through */
- case 'r':
- needroot = 0;
- break;
- case 'v':
- verbose++;
- break;
- case 'f':
- conf = optarg;
- break;
- default:
- usage();
- }
- }
-
-usage()
-{
- fprintf(stderr,
- "Usage: %s <-nrv> <-f config-file>\n", progname);
- exit(1);
-}
-
-/* Parse a configuration file and return a linked list of all the logs
- * to process
- */
-struct conf_entry *parse_file()
-{
- FILE *f;
- char line[BUFSIZ], *parse, *q;
- char *errline, *group;
- struct conf_entry *first = NULL;
- struct conf_entry *working;
- struct passwd *pass;
- struct group *grp;
-
- if (strcmp(conf,"-"))
- f = fopen(conf,"r");
- else
- f = stdin;
- if (!f) {
- (void) fprintf(stderr,"%s: ",progname);
- perror(conf);
- exit(1);
- }
- while (fgets(line,BUFSIZ,f)) {
- if ((line[0]== '\n') || (line[0] == '#'))
- continue;
- errline = strdup(line);
- if (!first) {
- working = (struct conf_entry *) malloc(sizeof(struct conf_entry));
- first = working;
- } else {
- working->next = (struct conf_entry *) malloc(sizeof(struct conf_entry));
- working = working->next;
- }
-
- q = parse = missing_field(sob(line),errline);
- *(parse = son(line)) = '\0';
- working->log = strdup(q);
-
- q = parse = missing_field(sob(++parse),errline);
- *(parse = son(parse)) = '\0';
- if ((group = strchr(q, '.')) != NULL) {
- *group++ = '\0';
- if (*q) {
- if (!(isnumber(*q))) {
- if ((pass = getpwnam(q)) == NULL) {
- fprintf(stderr,
- "Error in config file; unknown user:\n");
- fputs(errline,stderr);
- exit(1);
- }
- working->uid = pass->pw_uid;
- } else
- working->uid = atoi(q);
- } else
- working->uid = NONE;
-
- q = group;
- if (*q) {
- if (!(isnumber(*q))) {
- if ((grp = getgrnam(q)) == NULL) {
- fprintf(stderr,
- "Error in config file; unknown group:\n");
- fputs(errline,stderr);
- exit(1);
- }
- working->gid = grp->gr_gid;
- } else
- working->gid = atoi(q);
- } else
- working->gid = NONE;
-
- q = parse = missing_field(sob(++parse),errline);
- *(parse = son(parse)) = '\0';
- }
- else
- working->uid = working->gid = NONE;
-
- if (!sscanf(q,"%o",&working->permissions)) {
- fprintf(stderr,
- "Error in config file; bad permissions:\n");
- fputs(errline,stderr);
- exit(1);
- }
-
- q = parse = missing_field(sob(++parse),errline);
- *(parse = son(parse)) = '\0';
- if (!sscanf(q,"%d",&working->numlogs)) {
- fprintf(stderr,
- "Error in config file; bad number:\n");
- fputs(errline,stderr);
- exit(1);
- }
-
- q = parse = missing_field(sob(++parse),errline);
- *(parse = son(parse)) = '\0';
- if (isdigit(*q))
- working->size = atoi(q);
- else
- working->size = -1;
-
- q = parse = missing_field(sob(++parse),errline);
- *(parse = son(parse)) = '\0';
- if (isdigit(*q))
- working->hours = atoi(q);
- else
- working->hours = -1;
-
- q = parse = sob(++parse); /* Optional field */
- *(parse = son(parse)) = '\0';
- working->flags = 0;
- while (q && *q && !isspace(*q)) {
- if ((*q == 'Z') || (*q == 'z'))
- working->flags |= CE_COMPACT;
- else if ((*q == 'B') || (*q == 'b'))
- working->flags |= CE_BINARY;
- else {
- fprintf(stderr,
- "Illegal flag in config file -- %c\n",
- *q);
- exit(1);
- }
- q++;
- }
-
- free(errline);
- }
- if (working)
- working->next = (struct conf_entry *) NULL;
- (void) fclose(f);
- return(first);
-}
-
-char *missing_field(p,errline)
- char *p,*errline;
-{
- if (!p || !*p) {
- fprintf(stderr,"Missing field in config file:\n");
- fputs(errline,stderr);
- exit(1);
- }
- return(p);
-}
-
-dotrim(log,numdays,flags,perm,owner_uid,group_gid)
- char *log;
- int numdays;
- int flags;
- int perm;
- int owner_uid;
- int group_gid;
-{
- char file1[128], file2[128];
- char zfile1[128], zfile2[128];
- int fd;
- struct stat st;
-
-#ifdef _IBMR2
-/* AIX 3.1 has a broken fchown- if the owner_uid is -1, it will actually */
-/* change it to be owned by uid -1, instead of leaving it as is, as it is */
-/* supposed to. */
- if (owner_uid == -1)
- owner_uid = geteuid();
-#endif
-
- /* Remove oldest log */
- (void) sprintf(file1,"%s.%d",log,numdays);
- (void) strcpy(zfile1, file1);
- (void) strcat(zfile1, COMPRESS_POSTFIX);
-
- if (noaction) {
- printf("rm -f %s\n", file1);
- printf("rm -f %s\n", zfile1);
- } else {
- (void) unlink(file1);
- (void) unlink(zfile1);
- }
-
- /* Move down log files */
- while (numdays--) {
- (void) strcpy(file2,file1);
- (void) sprintf(file1,"%s.%d",log,numdays);
- (void) strcpy(zfile1, file1);
- (void) strcpy(zfile2, file2);
- if (lstat(file1, &st)) {
- (void) strcat(zfile1, COMPRESS_POSTFIX);
- (void) strcat(zfile2, COMPRESS_POSTFIX);
- if (lstat(zfile1, &st)) continue;
- }
- if (noaction) {
- printf("mv %s %s\n",zfile1,zfile2);
- printf("chmod %o %s\n", perm, zfile2);
- printf("chown %d.%d %s\n",
- owner_uid, group_gid, zfile2);
- } else {
- (void) rename(zfile1, zfile2);
- (void) chmod(zfile2, perm);
- (void) chown(zfile2, owner_uid, group_gid);
- }
- }
- if (!noaction && !(flags & CE_BINARY))
- (void) log_trim(log); /* Report the trimming to the old log */
-
- if (noaction)
- printf("mv %s to %s\n",log,file1);
- else
- (void) rename(log,file1);
- if (noaction)
- printf("Start new log...");
- else {
- fd = creat(log,perm);
- if (fd < 0) {
- perror("can't start new log");
- exit(1);
- }
- if (fchown(fd, owner_uid, group_gid)) {
- perror("can't chmod new log file");
- exit(1);
- }
- (void) close(fd);
- if (!(flags & CE_BINARY))
- if (log_trim(log)) { /* Add status message */
- perror("can't add status message to log");
- exit(1);
- }
- }
- if (noaction)
- printf("chmod %o %s...",perm,log);
- else
- (void) chmod(log,perm);
- if (noaction)
- printf("kill -HUP %d (syslogd)\n",syslog_pid);
- else
- if (syslog_pid < MIN_PID || syslog_pid > MAX_PID) {
- fprintf(stderr,"%s: preposterous process number: %d\n",
- progname, syslog_pid);
- } else if (kill(syslog_pid,SIGHUP)) {
- fprintf(stderr,"%s: ",progname);
- perror("warning - could not restart syslogd");
- }
- if (flags & CE_COMPACT) {
- if (noaction)
- printf("Compress %s.0\n",log);
- else
- compress_log(log);
- }
-}
-
-/* Log the fact that the logs were turned over */
-log_trim(log)
- char *log;
-{
- FILE *f;
- if ((f = fopen(log,"a")) == NULL)
- return(-1);
- fprintf(f,"%s %s newsyslog[%d]: logfile turned over\n",
- daytime, hostname, getpid());
- if (fclose(f) == EOF) {
- perror("log_trim: fclose:");
- exit(1);
- }
- return(0);
-}
-
-/* Fork of /usr/ucb/compress to compress the old log file */
-compress_log(log)
- char *log;
-{
- int pid;
- char tmp[128];
-
- pid = fork();
- (void) sprintf(tmp,"%s.0",log);
- if (pid < 0) {
- fprintf(stderr,"%s: ",progname);
- perror("fork");
- exit(1);
- } else if (!pid) {
- (void) execl(COMPRESS,"compress","-f",tmp,0);
- fprintf(stderr,"%s: ",progname);
- perror(COMPRESS);
- exit(1);
- }
-}
-
-/* Return size in kilobytes of a file */
-int sizefile(file)
- char *file;
-{
- struct stat sb;
-
- if (stat(file,&sb) < 0)
- return(-1);
- return(kbytes(dbtob(sb.st_blocks)));
-}
-
-/* Return the age of old log file (file.0) */
-int age_old_log(file)
- char *file;
-{
- struct stat sb;
- char tmp[MAXPATHLEN+3];
-
- (void) strcpy(tmp,file);
- if (stat(strcat(tmp,".0"),&sb) < 0)
- if (stat(strcat(tmp,COMPRESS_POSTFIX), &sb) < 0)
- return(-1);
- return( (int) (timenow - sb.st_mtime + 1800) / 3600);
-}
-
-
-#ifndef OSF
-/* Duplicate a string using malloc */
-
-char *strdup(strp)
-register char *strp;
-{
- register char *cp;
-
- if ((cp = malloc((unsigned) strlen(strp) + 1)) == NULL)
- abort();
- return(strcpy (cp, strp));
-}
-#endif
-
-/* Skip Over Blanks */
-char *sob(p)
- register char *p;
-{
- while (p && *p && isspace(*p))
- p++;
- return(p);
-}
-
-/* Skip Over Non-Blanks */
-char *son(p)
- register char *p;
-{
- while (p && *p && !isspace(*p))
- p++;
- return(p);
-}
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