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/*
* Part of Very Secure FTPd
* Licence: GPL v2
* Author: Chris Evans
* sysstr.c
*
* This file basically wraps system functions so that we can deal in our
* nice abstracted string buffer objects.
*/
#include "sysstr.h"
#include "str.h"
#include "secbuf.h"
#include "sysutil.h"
#include "defs.h"
#include "utility.h"
#include "tunables.h"
void
str_getcwd(struct mystr* p_str)
{
static char* p_getcwd_buf;
char* p_ret;
if (p_getcwd_buf == 0)
{
vsf_secbuf_alloc(&p_getcwd_buf, VSFTP_PATH_MAX);
}
/* In case getcwd() fails */
str_empty(p_str);
p_ret = vsf_sysutil_getcwd(p_getcwd_buf, VSFTP_PATH_MAX);
if (p_ret != 0)
{
str_alloc_text(p_str, p_getcwd_buf);
}
}
int
str_write_loop(const struct mystr* p_str, const int fd)
{
return vsf_sysutil_write_loop(fd, str_getbuf(p_str), str_getlen(p_str));
}
int
str_read_loop(struct mystr* p_str, const int fd)
{
return vsf_sysutil_read_loop(
fd, (char*) str_getbuf(p_str), str_getlen(p_str));
}
int
str_mkdir(const struct mystr* p_str, const unsigned int mode)
{
return vsf_sysutil_mkdir(str_getbuf(p_str), mode);
}
int
str_rmdir(const struct mystr* p_str)
{
return vsf_sysutil_rmdir(str_getbuf(p_str));
}
int
str_unlink(const struct mystr* p_str)
{
return vsf_sysutil_unlink(str_getbuf(p_str));
}
int
str_chdir(const struct mystr* p_str)
{
return vsf_sysutil_chdir(str_getbuf(p_str));
}
int
str_open(const struct mystr* p_str, const enum EVSFSysStrOpenMode mode)
{
enum EVSFSysUtilOpenMode open_mode = kVSFSysStrOpenUnknown;
switch (mode)
{
case kVSFSysStrOpenReadOnly:
open_mode = kVSFSysUtilOpenReadOnly;
break;
case kVSFSysStrOpenUnknown:
/* Fall through */
default:
bug("unknown mode value in str_open");
break;
}
return vsf_sysutil_open_file(str_getbuf(p_str), open_mode);
}
int
str_stat(const struct mystr* p_str, struct vsf_sysutil_statbuf** p_ptr)
{
return vsf_sysutil_stat(str_getbuf(p_str), p_ptr);
}
int
str_lstat(const struct mystr* p_str, struct vsf_sysutil_statbuf** p_ptr)
{
return vsf_sysutil_lstat(str_getbuf(p_str), p_ptr);
}
int
str_create_exclusive(const struct mystr* p_str)
{
return vsf_sysutil_create_file_exclusive(str_getbuf(p_str));
}
int
str_create(const struct mystr* p_str)
{
return vsf_sysutil_create_or_open_file(
str_getbuf(p_str), tunable_file_open_mode);
}
int
str_chmod(const struct mystr* p_str, unsigned int mode)
{
return vsf_sysutil_chmod(str_getbuf(p_str), mode);
}
int
str_rename(const struct mystr* p_from_str, const struct mystr* p_to_str)
{
return vsf_sysutil_rename(str_getbuf(p_from_str), str_getbuf(p_to_str));
}
struct vsf_sysutil_dir*
str_opendir(const struct mystr* p_str)
{
return vsf_sysutil_opendir(str_getbuf(p_str));
}
void
str_next_dirent(struct mystr* p_filename_str, struct vsf_sysutil_dir* p_dir)
{
const char* p_filename = vsf_sysutil_next_dirent(p_dir);
str_empty(p_filename_str);
if (p_filename != 0)
{
str_alloc_text(p_filename_str, p_filename);
}
}
int
str_readlink(struct mystr* p_str, const struct mystr* p_filename_str)
{
static char* p_readlink_buf;
int retval;
if (p_readlink_buf == 0)
{
vsf_secbuf_alloc(&p_readlink_buf, VSFTP_PATH_MAX);
}
/* In case readlink() fails */
str_empty(p_str);
/* Note: readlink(2) does not NULL terminate, but our wrapper does */
retval = vsf_sysutil_readlink(str_getbuf(p_filename_str), p_readlink_buf,
VSFTP_PATH_MAX);
if (vsf_sysutil_retval_is_error(retval))
{
return retval;
}
str_alloc_text(p_str, p_readlink_buf);
return 0;
}
struct vsf_sysutil_user*
str_getpwnam(const struct mystr* p_user_str)
{
return vsf_sysutil_getpwnam(str_getbuf(p_user_str));
}
void
str_syslog(const struct mystr* p_str, int severe)
{
vsf_sysutil_syslog(str_getbuf(p_str), severe);
}
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