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#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <pwd.h>
#include <grp.h>
#ifdef __STDC__
void showperms(char *);
void putusrname(int);
void putgrpname(int);
#else
void showperms();
void putusrname();
void putgrpname();
#endif
#ifndef S_IRUSR
#define S_IRUSR 00400
#endif
#ifndef S_IWUSR
#define S_IWUSR 00200
#endif
#ifndef S_IXUSR
#define S_IXUSR 00100
#endif
#ifndef S_IRGRP
#define S_IRGRP 00040
#endif
#ifndef S_IWGRP
#define S_IWGRP 00020
#endif
#ifndef S_IXGRP
#define S_IXGRP 00010
#endif
#ifndef S_IROTH
#define S_IROTH 00004
#endif
#ifndef S_IWOTH
#define S_IWOTH 00002
#endif
#ifndef S_IXOTH
#define S_IXOTH 00001
#endif
#ifndef S_ISUID
#define S_ISUID 04000
#endif
#ifndef S_ISGID
#define S_ISGID 02000
#endif
#ifndef S_ISVTX
#define S_ISVTX 01000
#endif
#ifdef __STDC__
int
main(int argc, char **argv)
#else
int main(argc, argv)
int argc;
char **argv;
#endif
{
if(argc == 1){
char buf[1025];
while(fgets(buf, 1024, stdin)){
buf[strlen(buf)-1] = 0;
showperms(buf);
}
}
else {
for(argv++;*argv;argv++)
showperms(*argv);
}
}
#define outmode(m, b) {if((m)&(b))putchar('1');else putchar('0');putchar(' ');}
#ifdef __STDC__
void
showperms(char *fname)
#else
void
showperms(fname)
char *fname;
#endif
{
struct stat sbuf;
if(stat(fname, &sbuf) != -1){
fputs(fname, stdout);
putchar(' ');
putusrname(sbuf.st_uid);
putchar(' ');
putgrpname(sbuf.st_gid);
putchar(' ');
outmode(sbuf.st_mode, S_IRUSR);
outmode(sbuf.st_mode, S_IWUSR);
outmode(sbuf.st_mode, S_IXUSR);
outmode(sbuf.st_mode, S_IRGRP);
outmode(sbuf.st_mode, S_IWGRP);
outmode(sbuf.st_mode, S_IXGRP);
outmode(sbuf.st_mode, S_IROTH);
outmode(sbuf.st_mode, S_IWOTH);
outmode(sbuf.st_mode, S_IXOTH);
outmode(sbuf.st_mode, S_ISUID);
outmode(sbuf.st_mode, S_ISGID);
#ifdef S_ISVTX
outmode(sbuf.st_mode, S_ISVTX);
#else
putchar('0');
putchar(' ');
#endif
putchar('\n');
}
else {
perror(fname);
}
}
struct gidcache {
char *name;
gid_t gid;
};
struct gidcache gcache[8192];
static int gc_init = 0;
#ifdef __STDC__
char *
cgetnamgid(int gid)
#else
char *
cgetnamgid(gid)
int gid;
#endif
{
struct group *grent;
int hash = gid & 8191;
if(!gc_init){
(void)memset((void *)gcache, 0, sizeof(gcache));
gc_init = 1;
}
if(gcache[hash].name && gcache[hash].gid == gid){
return gcache[hash].name;
}
else if((grent = getgrgid(gid))){
if(!gcache[hash].name)
gcache[hash].name = (char *)malloc(9);
(void)strcpy(gcache[hash].name, grent->gr_name);
gcache[hash].gid = gid;
}
else {
if(!gcache[hash].name)
gcache[hash].name = (char *)malloc(9);
(void)sprintf(gcache[hash].name, "%8lu", (unsigned long)gid);
gcache[hash].gid = gid;
}
return gcache[hash].name;
}
struct uidcache {
char *name;
uid_t uid;
};
struct uidcache ucache[8192];
static int uc_init = 0;
#ifdef __STDC__
char *
cgetnamuid(int uid)
#else
char *
cgetnamuid(uid)
int uid;
#endif
{
struct passwd *pwent;
int hash = uid & 8191;
if(!uc_init){
(void)memset((void *)ucache, 0, sizeof(ucache));
uc_init = 1;
}
if(ucache[hash].name && ucache[hash].uid == uid){
return ucache[hash].name;
}
else if((pwent = getpwuid(uid))){
if(!ucache[hash].name)
ucache[hash].name = (char *)malloc(9);
(void)strcpy(ucache[hash].name, pwent->pw_name);
ucache[hash].uid = uid;
}
else {
if(!ucache[hash].name)
ucache[hash].name = (char *)malloc(9);
(void)sprintf(ucache[hash].name, "%8lu", (unsigned long)uid);
ucache[hash].uid = uid;
}
return ucache[hash].name;
}
#ifdef __STDC__
void
putusrname(int uid)
#else
void
putusrname(uid)
int uid;
#endif
{
fputs(cgetnamuid(uid), stdout);
}
#ifdef __STDC__
void
putgrpname(int gid)
#else
void
putgrpname(gid)
int gid;
#endif
{
fputs(cgetnamgid(gid), stdout);
}
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