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#include <sys/types.h>
#include <sys/stat.h>
#include "substdio.h"
#include "stralloc.h"
#include "getln.h"
#include "readwrite.h"
#include "exit.h"
#include "error.h"
#include "strerr.h"
#include "byte.h"
stralloc target = {0};
char *to;
#define WARNING "instcheck: warning: "
#define FATAL "instcheck: fatal: "
void nomem() { strerr_die2x(111,FATAL,"out of memory"); }
void doit(line)
stralloc *line;
{
struct stat st;
char *x;
unsigned int xlen;
unsigned int i;
char *type;
char *uidstr;
char *gidstr;
char *modestr;
char *mid;
char *name;
unsigned long uid;
unsigned long gid;
unsigned long mode;
int ftype;
x = line->s; xlen = line->len;
type = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
uidstr = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
gidstr = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
modestr = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
mid = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
name = x;
i = byte_chr(x,xlen,':'); if (i == xlen) return;
x[i++] = 0; x += i; xlen -= i;
if (!stralloc_copys(&target,to)) nomem();
if (!stralloc_cats(&target,mid)) nomem();
if (!stralloc_cats(&target,name)) nomem();
if (!stralloc_0(&target)) nomem();
uid = -1; if (*uidstr) scan_ulong(uidstr,&uid);
gid = -1; if (*gidstr) scan_ulong(gidstr,&gid);
scan_8long(modestr,&mode);
switch(*type) {
case 'd': ftype = S_IFDIR; break;
case 'c': ftype = S_IFREG; break;
case 'z': ftype = S_IFREG; break;
case 'p': ftype = S_IFIFO; break;
default: return;
}
if (stat(target.s,&st) == -1) {
if (errno == error_noent)
strerr_warn3(WARNING,target.s," does not exist",0);
else
strerr_warn4(WARNING,"unable to stat ",target.s,": ",&strerr_sys);
return;
}
if ((uid != -1) && (st.st_uid != uid))
strerr_warn3(WARNING,target.s," has wrong owner",0);
if ((gid != -1) && (st.st_gid != gid))
strerr_warn3(WARNING,target.s," has wrong group",0);
if ((st.st_mode & 07777) != mode)
strerr_warn3(WARNING,target.s," has wrong permissions",0);
if ((st.st_mode & S_IFMT) != ftype)
strerr_warn3(WARNING,target.s," has wrong type",0);
}
char buf[256];
substdio in = SUBSTDIO_FDBUF(read,0,buf,sizeof(buf));
stralloc line = {0};
void main(argc,argv)
int argc;
char **argv;
{
int match;
umask(077);
to = argv[1];
if (!to) strerr_die2x(100,FATAL,"instcheck: usage: instcheck dir");
for (;;) {
if (getln(&in,&line,&match,'\n') == -1)
strerr_die2sys(111,FATAL,"unable to read input: ");
doit(&line);
if (!match)
_exit(0);
}
}
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