64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
#include "internal.h"
|
|
#include <pwd.h>
|
|
#include <grp.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
const char chown_usage[] = "chown [-R] user-name file [file ...]\n"
|
|
"\n\tThe group list is kept in the file /etc/groups.\n\n"
|
|
"\t-R:\tRecursively change the mode of all files and directories\n"
|
|
"\t\tunder the argument directory.";
|
|
|
|
int
|
|
parse_user_name(const char * s, struct FileInfo * i)
|
|
{
|
|
struct passwd * p;
|
|
char * dot = strchr(s, '.');
|
|
|
|
if (! dot )
|
|
dot = strchr(s, ':');
|
|
|
|
if ( dot )
|
|
*dot = '\0';
|
|
|
|
if ( (p = getpwnam(s)) == 0 ) {
|
|
fprintf(stderr, "%s: no such user.\n", s);
|
|
return 1;
|
|
}
|
|
i->userID = p->pw_uid;
|
|
|
|
if ( dot ) {
|
|
struct group * g = getgrnam(++dot);
|
|
if ( g == 0 ) {
|
|
fprintf(stderr, "%s: no such group.\n", dot);
|
|
return 1;
|
|
}
|
|
i->groupID = g->gr_gid;
|
|
i->changeGroupID = 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
extern int
|
|
chown_main(struct FileInfo * i, int argc, char * * argv)
|
|
{
|
|
int status;
|
|
|
|
while ( argc >= 3 && strcmp("-R", argv[1]) == 0 ) {
|
|
i->recursive = 1;
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
if ( (status = parse_user_name(argv[1], i)) != 0 )
|
|
return status;
|
|
|
|
argv++;
|
|
argc--;
|
|
|
|
i->changeUserID = 1;
|
|
i->complainInPostProcess = 1;
|
|
|
|
return monadic_main(i, argc, argv);
|
|
}
|