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xrdp-proprietary/common/file.c

244 lines
4.7 KiB

/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2004-2006
read a config file
*/
#include "arch.h"
#include "os_calls.h"
#include "list.h"
#include "file.h"
#include "parse.h"
/*****************************************************************************/
/* returns error
returns 0 if everything is ok
returns 1 if problem reading file */
int APP_CC
file_read_sections(int fd, struct list* names)
{
struct stream* s;
char text[256];
char c;
int in_it;
int in_it_index;
int len;
int index;
int rv;
rv = 0;
g_file_seek(fd, 0);
in_it_index = 0;
in_it = 0;
g_memset(text, 0, 256);
list_clear(names);
make_stream(s);
init_stream(s, 8192);
len = g_file_read(fd, s->data, 8192);
if (len > 0)
{
s->end = s->p + len;
for (index = 0; index < len; index++)
{
in_uint8(s, c);
if (c == '[')
{
in_it = 1;
}
else if (c == ']')
{
list_add_item(names, (long)g_strdup(text));
in_it = 0;
in_it_index = 0;
g_memset(text, 0, 256);
}
else if (in_it)
{
text[in_it_index] = c;
in_it_index++;
}
}
}
else if (len < 0)
{
rv = 1;
}
free_stream(s);
return rv;
}
/*****************************************************************************/
int APP_CC
file_read_line(struct stream* s, char* text)
{
int i;
int skip_to_end;
char c;
char* hold;
skip_to_end = 0;
if (!s_check(s))
{
return 1;
}
hold = s->p;
i = 0;
in_uint8(s, c);
while (c != 10 && c != 13 && s_check(s))
{
if (c == '#' || c == '!')
{
skip_to_end = 1;
}
if (!skip_to_end)
{
text[i] = c;
i++;
}
in_uint8(s, c);
}
if (c == 10 || c == 13)
{
while ((c == 10 || c == 13) && s_check(s))
{
in_uint8(s, c);
}
s->p--;
}
text[i] = 0;
if (text[0] == '[')
{
s->p = hold;
return 1;
}
if (s_check(s))
{
return 0;
}
else
{
return 1;
}
}
/*****************************************************************************/
int APP_CC
file_split_name_value(char* text, char* name, char* value)
{
int len;
int i;
int value_index;
int name_index;
int on_to;
value_index = 0;
name_index = 0;
on_to = 0;
name[0] = 0;
value[0] = 0;
len = g_strlen(text);
for (i = 0; i < len; i++)
{
if (text[i] == '=')
{
on_to = 1;
}
else if (on_to)
{
value[value_index] = text[i];
value_index++;
value[value_index] = 0;
}
else
{
name[name_index] = text[i];
name_index++;
name[name_index] = 0;
}
}
return 0;
}
/*****************************************************************************/
/* return error */
int APP_CC
file_read_section(int fd, char* section, struct list* names,
struct list* values)
{
struct stream* s;
char text[512];
char name[512];
char value[512];
char c;
int in_it;
int in_it_index;
int len;
int index;
g_file_seek(fd, 0);
in_it_index = 0;
in_it = 0;
g_memset(text, 0, 512);
list_clear(names);
list_clear(values);
make_stream(s);
init_stream(s, 8192);
len = g_file_read(fd, s->data, 8192);
if (len > 0)
{
s->end = s->p + len;
for (index = 0; index < len; index++)
{
in_uint8(s, c);
if (c == '[')
{
in_it = 1;
}
else if (c == ']')
{
if (g_strcasecmp(section, text) == 0)
{
file_read_line(s, text);
while (file_read_line(s, text) == 0)
{
if (g_strlen(text) > 0)
{
file_split_name_value(text, name, value);
list_add_item(names, (long)g_strdup(name));
list_add_item(values, (long)g_strdup(value));
}
}
free_stream(s);
return 0;
}
in_it = 0;
in_it_index = 0;
g_memset(text, 0, 512);
}
else if (in_it)
{
text[in_it_index] = c;
in_it_index++;
}
}
}
free_stream(s);
return 1;
}