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