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/* $OpenBSD: dir.c,v 1.31 2019/06/28 13:35:02 deraadt Exp $ */
/* This file is in the public domain. */
/*
* Name: MG 2a
* Directory management functions
* Created: Ron Flax (ron@vsedev.vse.com)
* Modified for MG 2a by Mic Kaczmarczik 03-Aug-1987
*/
#include <sys/queue.h>
#include <sys/stat.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "def.h"
static char mgcwd[NFILEN];
/*
* Initialize anything the directory management routines need.
*/
void
dirinit(void)
{
mgcwd[0] = '\0';
if (getcwd(mgcwd, sizeof(mgcwd)) == NULL)
ewprintf("Can't get current directory!");
if (mgcwd[0] != '\0' && !(mgcwd[0] == '/' && mgcwd[1] == '\0'))
(void)strlcat(mgcwd, "/", sizeof(mgcwd));
}
/*
* Change current working directory.
*/
/* ARGSUSED */
int
changedir(int f, int n)
{
char bufc[NFILEN], *bufp;
(void)strlcpy(bufc, mgcwd, sizeof(bufc));
if ((bufp = eread("Change default directory: ", bufc, NFILEN,
EFDEF | EFNEW | EFCR | EFFILE)) == NULL)
return (ABORT);
else if (bufp[0] == '\0')
return (FALSE);
/* Append trailing slash */
if (chdir(bufc) == -1) {
dobeep();
ewprintf("Can't change dir to %s", bufc);
return (FALSE);
}
if ((bufp = getcwd(mgcwd, sizeof(mgcwd))) == NULL) {
if (bufc[0] == '/')
(void)strlcpy(mgcwd, bufc, sizeof(mgcwd));
else
(void)strlcat(mgcwd, bufc, sizeof(mgcwd));
}
if (mgcwd[strlen(mgcwd) - 1] != '/')
(void)strlcat(mgcwd, "/", sizeof(mgcwd));
ewprintf("Current directory is now %s", mgcwd);
return (TRUE);
}
/*
* Show current directory.
*/
/* ARGSUSED */
int
showcwdir(int f, int n)
{
ewprintf("Current directory: %s", mgcwd);
return (TRUE);
}
int
getcwdir(char *buf, size_t len)
{
if (strlcpy(buf, mgcwd, len) >= len)
return (FALSE);
return (TRUE);
}
/* Create the directory and it's parents. */
/* ARGSUSED */
int
makedir(int f, int n)
{
return (ask_makedir());
}
int
ask_makedir(void)
{
char bufc[NFILEN];
char *path;
if (getbufcwd(bufc, sizeof(bufc)) != TRUE)
return (ABORT);
if ((path = eread("Make directory: ", bufc, NFILEN,
EFDEF | EFNEW | EFCR | EFFILE)) == NULL)
return (ABORT);
else if (path[0] == '\0')
return (FALSE);
return (do_makedir(path));
}
int
do_makedir(char *path)
{
struct stat sb;
int finished, ishere;
mode_t dir_mode, f_mode, oumask;
char *slash;
if ((path = adjustname(path, TRUE)) == NULL)
return (FALSE);
/* Remove trailing slashes */
slash = strrchr(path, '\0');
while (--slash > path && *slash == '/')
*slash = '\0';
slash = path;
oumask = umask(0);
f_mode = 0777 & ~oumask;
dir_mode = f_mode | S_IWUSR | S_IXUSR;
for (;;) {
slash += strspn(slash, "/");
slash += strcspn(slash, "/");
finished = (*slash == '\0');
*slash = '\0';
ishere = !stat(path, &sb);
if (finished && ishere) {
dobeep();
ewprintf("Cannot create directory %s: file exists",
path);
return(FALSE);
} else if (!finished && ishere && S_ISDIR(sb.st_mode)) {
*slash = '/';
continue;
}
if (mkdir(path, finished ? f_mode : dir_mode) == 0) {
if (f_mode > 0777 && chmod(path, f_mode) == -1) {
umask(oumask);
return (ABORT);
}
} else {
if (!ishere || !S_ISDIR(sb.st_mode)) {
if (!ishere) {
dobeep();
ewprintf("Creating directory: "
"permission denied, %s", path);
} else
eerase();
umask(oumask);
return (FALSE);
}
}
if (finished)
break;
*slash = '/';
}
eerase();
umask(oumask);
return (TRUE);
}
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