346 lines
8.1 KiB
C
346 lines
8.1 KiB
C
/* $NetBSD: supcmisc.c,v 1.8 1997/07/08 04:37:11 mikel Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992 Carnegie Mellon University
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and its
|
|
* documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
|
|
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software_Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie Mellon
|
|
* the rights to redistribute these changes.
|
|
*/
|
|
/*
|
|
* sup misc. routines, include list processing.
|
|
**********************************************************************
|
|
* HISTORY
|
|
* Revision 1.5 92/08/11 12:07:22 mrt
|
|
* Added release to FILEWHEN name.
|
|
* Brad's changes: delinted and updated variable arguement usage.
|
|
* [92/07/26 mrt]
|
|
*
|
|
* Revision 1.3 89/08/15 15:31:28 bww
|
|
* Updated to use v*printf() in place of _doprnt().
|
|
* From "[89/04/19 mja]" at CMU.
|
|
* [89/08/15 bww]
|
|
*
|
|
* 27-Dec-87 Glenn Marcy (gm0w) at Carnegie-Mellon University
|
|
* Fixed bug in ugconvert() which left pw uninitialized.
|
|
*
|
|
* 25-May-87 Doug Philips (dwp) at Carnegie-Mellon University
|
|
* Split off from sup.c and changed goaway to use printf
|
|
* instead of notify if thisC is NULL.
|
|
*
|
|
**********************************************************************
|
|
*/
|
|
|
|
#include "supcdefs.h"
|
|
#include "supextern.h"
|
|
|
|
struct liststruct { /* uid and gid lists */
|
|
char *Lname; /* name */
|
|
int Lnumber; /* uid or gid */
|
|
struct liststruct *Lnext;
|
|
};
|
|
typedef struct liststruct LIST;
|
|
|
|
#define HASHBITS 4
|
|
#define HASHSIZE (1<<HASHBITS)
|
|
#define HASHMASK (HASHSIZE-1)
|
|
#define LISTSIZE (HASHSIZE*HASHSIZE)
|
|
|
|
static LIST *uidL[LISTSIZE]; /* uid and gid lists */
|
|
static LIST *gidL[LISTSIZE];
|
|
|
|
extern COLLECTION *thisC; /* collection list pointer */
|
|
|
|
static int Lhash __P((char *));
|
|
static void Linsert __P((LIST **, char *, int));
|
|
static LIST *Llookup __P((LIST **, char *));
|
|
|
|
/*************************************************
|
|
*** P R I N T U P D A T E T I M E S ***
|
|
*************************************************/
|
|
|
|
void
|
|
prtime ()
|
|
{
|
|
char buf[STRINGLENGTH];
|
|
char relsufix[STRINGLENGTH];
|
|
time_t twhen;
|
|
|
|
if ((thisC->Cflags&CFURELSUF) && thisC->Crelease)
|
|
(void) sprintf (relsufix,".%s",thisC->Crelease);
|
|
else
|
|
relsufix[0] = '\0';
|
|
if (chdir (thisC->Cbase) < 0)
|
|
logerr ("Can't change to base directory %s for collection %s",
|
|
thisC->Cbase,thisC->Cname);
|
|
twhen = getwhen(thisC->Cname,relsufix);
|
|
(void) strcpy (buf,ctime (&twhen));
|
|
buf[strlen(buf)-1] = '\0';
|
|
loginfo ("Last update occurred at %s for collection %s%s",
|
|
buf,thisC->Cname,relsufix);
|
|
}
|
|
|
|
int establishdir (fname)
|
|
char *fname;
|
|
{
|
|
char dpart[STRINGLENGTH],fpart[STRINGLENGTH];
|
|
path (fname,dpart,fpart);
|
|
return (estabd (fname,dpart));
|
|
}
|
|
|
|
int makedir(fname, mode, statp)
|
|
char *fname;
|
|
int mode;
|
|
struct stat *statp;
|
|
{
|
|
if (lstat(fname, statp) != -1 && !S_ISDIR(statp->st_mode)) {
|
|
if (unlink(fname) == -1) {
|
|
notify ("SUP: Can't delete %s\n", fname);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
(void) mkdir (fname, 0755);
|
|
|
|
return stat (fname, statp);
|
|
}
|
|
|
|
int estabd (fname,dname)
|
|
char *fname,*dname;
|
|
{
|
|
char dpart[STRINGLENGTH],fpart[STRINGLENGTH];
|
|
struct stat sbuf;
|
|
register int x;
|
|
|
|
if (stat (dname,&sbuf) >= 0) return (FALSE); /* exists */
|
|
path (dname,dpart,fpart);
|
|
if (strcmp (fpart,".") == 0) { /* dname is / or . */
|
|
notify ("SUP: Can't create directory %s for %s\n",dname,fname);
|
|
return (TRUE);
|
|
}
|
|
x = estabd (fname,dpart);
|
|
if (x) return (TRUE);
|
|
if (makedir(dname, 0755, &sbuf) < 0) {
|
|
vnotify ("SUP: Can't create directory %s for %s\n",dname,fname);
|
|
return TRUE;
|
|
}
|
|
vnotify ("SUP Created directory %s for %s\n",dname,fname);
|
|
return (FALSE);
|
|
}
|
|
|
|
/***************************************
|
|
*** L I S T R O U T I N E S ***
|
|
***************************************/
|
|
|
|
static
|
|
int Lhash (name)
|
|
char *name;
|
|
{
|
|
/* Hash function is: HASHSIZE * (strlen mod HASHSIZE)
|
|
* + (char mod HASHSIZE)
|
|
* where "char" is last character of name (if name is non-null).
|
|
*/
|
|
|
|
register int len;
|
|
register char c;
|
|
|
|
len = strlen (name);
|
|
if (len > 0) c = name[len-1];
|
|
else c = 0;
|
|
return (((len&HASHMASK)<<HASHBITS)|(((int)c)&HASHMASK));
|
|
}
|
|
|
|
static void
|
|
Linsert (table,name,number)
|
|
LIST **table;
|
|
char *name;
|
|
int number;
|
|
{
|
|
register LIST *l;
|
|
register int lno;
|
|
lno = Lhash (name);
|
|
l = (LIST *) malloc (sizeof(LIST));
|
|
l->Lname = name;
|
|
l->Lnumber = number;
|
|
l->Lnext = table[lno];
|
|
table[lno] = l;
|
|
}
|
|
|
|
static
|
|
LIST *Llookup (table,name)
|
|
LIST **table;
|
|
char *name;
|
|
{
|
|
register int lno;
|
|
register LIST *l;
|
|
lno = Lhash (name);
|
|
for (l = table[lno]; l && strcmp(l->Lname,name) != 0; l = l->Lnext);
|
|
return (l);
|
|
}
|
|
|
|
void ugconvert (uname,gname,uid,gid,mode)
|
|
char *uname,*gname;
|
|
int *uid,*gid,*mode;
|
|
{
|
|
register LIST *u,*g;
|
|
register struct passwd *pw;
|
|
register struct group *gr;
|
|
struct stat sbuf;
|
|
static int defuid = -1;
|
|
static int defgid;
|
|
static int first = TRUE;
|
|
|
|
if (first) {
|
|
bzero ((char *)uidL, sizeof (uidL));
|
|
bzero ((char *)gidL, sizeof (gidL));
|
|
first = FALSE;
|
|
}
|
|
pw = NULL;
|
|
if ((u = Llookup (uidL,uname)) != NULL)
|
|
*uid = u->Lnumber;
|
|
else if ((pw = getpwnam (uname)) != NULL) {
|
|
Linsert (uidL,salloc(uname),pw->pw_uid);
|
|
*uid = pw->pw_uid;
|
|
}
|
|
if (u || pw) {
|
|
if ((g = Llookup (gidL,gname)) != NULL) {
|
|
*gid = g->Lnumber;
|
|
return;
|
|
}
|
|
if ((gr = getgrnam (gname)) != NULL) {
|
|
Linsert (gidL,salloc(gname),gr->gr_gid);
|
|
*gid = gr->gr_gid;
|
|
return;
|
|
}
|
|
if (pw == NULL)
|
|
pw = getpwnam (uname);
|
|
*mode &= ~S_ISGID;
|
|
*gid = pw->pw_gid;
|
|
return;
|
|
}
|
|
*mode &= ~(S_ISUID|S_ISGID);
|
|
if (defuid >= 0) {
|
|
*uid = defuid;
|
|
*gid = defgid;
|
|
return;
|
|
}
|
|
if (stat (".",&sbuf) < 0) {
|
|
*uid = defuid = getuid ();
|
|
*gid = defgid = getgid ();
|
|
return;
|
|
}
|
|
*uid = defuid = sbuf.st_uid;
|
|
*gid = defgid = sbuf.st_gid;
|
|
}
|
|
|
|
|
|
/*********************************************
|
|
*** U T I L I T Y R O U T I N E S ***
|
|
*********************************************/
|
|
|
|
void
|
|
#ifdef __STDC__
|
|
notify (char *fmt,...) /* record error message */
|
|
#else
|
|
/*VARARGS*//*ARGSUSED*/
|
|
notify (va_alist) /* record error message */
|
|
va_dcl
|
|
#endif
|
|
{
|
|
char buf[STRINGLENGTH];
|
|
char collrelname[STRINGLENGTH];
|
|
time_t tloc;
|
|
static FILE *noteF = NULL; /* mail program on pipe */
|
|
va_list ap;
|
|
|
|
#ifdef __STDC__
|
|
va_start(ap,fmt);
|
|
#else
|
|
char *fmt;
|
|
|
|
va_start(ap);
|
|
fmt = va_arg(ap,char *);
|
|
#endif
|
|
if (fmt == NULL) {
|
|
if (noteF && noteF != stdout)
|
|
(void) pclose (noteF);
|
|
noteF = NULL;
|
|
return;
|
|
}
|
|
if ((thisC->Cflags&CFURELSUF) && thisC->Crelease)
|
|
(void) sprintf (collrelname,"%s-%s",collname,thisC->Crelease);
|
|
else
|
|
(void) strcpy (collrelname,collname);
|
|
|
|
if (noteF == NULL) {
|
|
if ((thisC->Cflags&CFMAIL) && thisC->Cnotify) {
|
|
(void) sprintf (buf,"mail -s \"SUP Upgrade of %s\" %s >/dev/null",
|
|
collrelname,thisC->Cnotify);
|
|
noteF = popen (buf,"w");
|
|
if (noteF == NULL) {
|
|
logerr ("Can't send mail to %s for %s",
|
|
thisC->Cnotify,collrelname);
|
|
noteF = stdout;
|
|
}
|
|
} else
|
|
noteF = stdout;
|
|
tloc = time ((time_t *)NULL);
|
|
fprintf (noteF,"SUP Upgrade of %s at %s",
|
|
collrelname,ctime (&tloc));
|
|
(void) fflush (noteF);
|
|
}
|
|
vfprintf(noteF,fmt,ap);
|
|
va_end(ap);
|
|
(void) fflush (noteF);
|
|
}
|
|
|
|
void
|
|
lockout (on) /* lock out interrupts */
|
|
int on;
|
|
{
|
|
static sigset_t oset;
|
|
sigset_t nset;
|
|
|
|
if (on) {
|
|
sigemptyset(&nset);
|
|
sigaddset(&nset, SIGHUP);
|
|
sigaddset(&nset, SIGINT);
|
|
sigaddset(&nset, SIGTERM);
|
|
sigaddset(&nset, SIGQUIT);
|
|
(void) sigprocmask(SIG_BLOCK, &nset, &oset);
|
|
}
|
|
else {
|
|
(void) sigprocmask(SIG_SETMASK, &oset, NULL);
|
|
}
|
|
}
|
|
|
|
char *fmttime (time)
|
|
time_t time;
|
|
{
|
|
static char buf[STRINGLENGTH];
|
|
int len;
|
|
|
|
(void) strcpy (buf,ctime (&time));
|
|
len = strlen(buf+4)-6;
|
|
(void) strncpy (buf,buf+4,len);
|
|
buf[len] = '\0';
|
|
return (buf);
|
|
}
|