152 lines
3.4 KiB
C
152 lines
3.4 KiB
C
/* $NetBSD: futil.c,v 1.18 2005/12/06 01:07:30 ben Exp $ */
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <nbcompat.h>
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#if HAVE_SYS_CDEFS_H
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#include <sys/cdefs.h>
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#endif
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#ifndef lint
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#if 0
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static const char *rcsid = "from FreeBSD Id: futil.c,v 1.7 1997/10/08 07:45:39 charnier Exp";
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#else
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__RCSID("$NetBSD: futil.c,v 1.18 2005/12/06 01:07:30 ben Exp $");
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#endif
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#endif
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/*
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* FreeBSD install - a package for the installation and maintainance
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* of non-core utilities.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Jordan K. Hubbard
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* 18 July 1993
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*
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* Miscellaneous file access utilities.
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*
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*/
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#if HAVE_ERR_H
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#include <err.h>
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#endif
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#include "lib.h"
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#include "add.h"
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/*
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* Assuming dir is a desired directory name, make it and all intervening
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* directories necessary.
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*/
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int
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make_hierarchy(char *dir)
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{
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char *cp1, *cp2;
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char *argv[2];
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argv[0] = dir;
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argv[1] = NULL;
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if (dir[0] == '/')
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cp1 = cp2 = dir + 1;
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else
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cp1 = cp2 = dir;
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while (cp2) {
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if ((cp2 = strchr(cp1, '/')) != NULL)
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*cp2 = '\0';
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if (fexists(dir)) {
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if (!(isdir(dir) || islinktodir(dir)))
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return FAIL;
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} else {
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if (fexec("mkdir", dir, NULL))
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return FAIL;
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apply_perms(NULL, argv, 1);
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}
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/* Put it back */
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if (cp2) {
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*cp2 = '/';
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cp1 = cp2 + 1;
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}
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}
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return SUCCESS;
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}
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/*
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* Using permission defaults, apply them as necessary
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*/
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void
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apply_perms(char *dir, char **args, int nargs)
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{
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char *cd_to;
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char owner_group[128];
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const char **argv;
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int i;
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argv = malloc((nargs + 4) * sizeof(char *));
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/*
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* elements 0..2 are set later depending on Mode.
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* args is a NULL terminated list of file names.
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* by appending them to argv, argv becomes NULL terminated also.
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*/
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for (i = 0; i <= nargs; i++)
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argv[i + 3] = args[i];
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if (!dir || args[0][0] == '/') /* absolute path? */
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cd_to = "/";
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else
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cd_to = dir;
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if (Mode) {
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argv[0] = CHMOD_CMD;
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argv[1] = "-R";
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argv[2] = Mode;
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if (pfcexec(cd_to, argv[0], argv))
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warnx("couldn't change modes of '%s' ... to '%s'",
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args[0], Mode);
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}
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if (Owner != NULL && Group != NULL) {
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if (snprintf(owner_group, sizeof(owner_group),
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"%s:%s", Owner, Group) > sizeof(owner_group)) {
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warnx("'%s:%s' is too long (%lu max)",
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Owner, Group, (unsigned long) sizeof(owner_group));
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free(argv);
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return;
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}
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argv[0] = CHOWN_CMD;
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argv[1] = "-R";
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argv[2] = owner_group;
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if (pfcexec(cd_to, argv[0], argv))
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warnx("couldn't change owner/group of '%s' ... to '%s:%s'",
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args[0], Owner, Group);
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free(argv);
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return;
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}
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if (Owner != NULL) {
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argv[0] = CHOWN_CMD;
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argv[1] = "-R";
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argv[2] = Owner;
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if (pfcexec(cd_to, argv[0], argv))
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warnx("couldn't change owner of '%s' ... to '%s'",
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args[0], Owner);
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free(argv);
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return;
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}
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if (Group != NULL) {
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argv[0] = CHGRP_CMD;
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argv[1] = "-R";
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argv[2] = Group;
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if (pfcexec(cd_to, argv[0], argv))
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warnx("couldn't change group of '%s' ... to '%s'",
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args[0], Group);
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}
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free(argv);
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}
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