| 1 |
/* -*- c-basic-offset: 8 -*- |
| 2 |
* rdesktop: A Remote Desktop Protocol client. |
| 3 |
* Entrypoint and utility functions |
| 4 |
* Copyright (C) Matthew Chapman 1999-2003 |
| 5 |
* Copyright (C) Jeroen Meijer 2003 |
| 6 |
* |
| 7 |
* This program is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* (at your option) any later version. |
| 11 |
* |
| 12 |
* This program is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
| 16 |
* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 |
*/ |
| 21 |
|
| 22 |
/* According to the W2K RDP Printer Redirection WhitePaper, a data |
| 23 |
* blob is sent to the client after the configuration of the printer |
| 24 |
* is changed at the server. |
| 25 |
* |
| 26 |
* This data blob is saved to the registry. The client returns this |
| 27 |
* data blob in a new session with the printer announce data. |
| 28 |
* The data is not interpreted by the client. |
| 29 |
*/ |
| 30 |
|
| 31 |
#include <sys/stat.h> |
| 32 |
#include <sys/types.h> |
| 33 |
#include <errno.h> |
| 34 |
#include <fcntl.h> |
| 35 |
#include <unistd.h> |
| 36 |
#include <string.h> |
| 37 |
#include "rdesktop.h" |
| 38 |
|
| 39 |
BOOL |
| 40 |
printercache_mkdir(char *base, char *printer) |
| 41 |
{ |
| 42 |
char *path; |
| 43 |
|
| 44 |
path = (char *) xmalloc(strlen(base) + sizeof("/.rdesktop/rdpdr/") + strlen(printer)); |
| 45 |
|
| 46 |
sprintf(path, "%s/.rdesktop", base); |
| 47 |
if ((mkdir(path, 0700) == -1) && errno != EEXIST) |
| 48 |
{ |
| 49 |
perror(path); |
| 50 |
return False; |
| 51 |
} |
| 52 |
|
| 53 |
strcat(path, "/rdpdr"); |
| 54 |
if ((mkdir(path, 0700) == -1) && errno != EEXIST) |
| 55 |
{ |
| 56 |
perror(path); |
| 57 |
return False; |
| 58 |
} |
| 59 |
|
| 60 |
strcat(path, "/"); |
| 61 |
strcat(path, printer); |
| 62 |
if ((mkdir(path, 0700) == -1) && errno != EEXIST) |
| 63 |
{ |
| 64 |
perror(path); |
| 65 |
return False; |
| 66 |
} |
| 67 |
|
| 68 |
xfree(path); |
| 69 |
return True; |
| 70 |
} |
| 71 |
|
| 72 |
int |
| 73 |
printercache_load_blob(char *printer_name, uint8 ** data) |
| 74 |
{ |
| 75 |
char *home, *path; |
| 76 |
struct stat st; |
| 77 |
int fd, length; |
| 78 |
|
| 79 |
if (printer_name == NULL) |
| 80 |
return 0; |
| 81 |
|
| 82 |
home = getenv("HOME"); |
| 83 |
if (home == NULL) |
| 84 |
return 0; |
| 85 |
|
| 86 |
path = (char *) xmalloc(strlen(home) + sizeof("/.rdesktop/rdpdr/") + strlen(printer_name) + |
| 87 |
sizeof("/AutoPrinterCacheData")); |
| 88 |
sprintf(path, "%s/.rdesktop/rdpdr/%s/AutoPrinterCacheData", home, printer_name); |
| 89 |
|
| 90 |
fd = open(path, O_RDONLY); |
| 91 |
if (fd == -1) |
| 92 |
return 0; |
| 93 |
|
| 94 |
if (fstat(fd, &st)) |
| 95 |
return 0; |
| 96 |
|
| 97 |
*data = (uint8 *) xmalloc(st.st_size); |
| 98 |
length = read(fd, *data, st.st_size); |
| 99 |
close(fd); |
| 100 |
xfree(path); |
| 101 |
return length; |
| 102 |
} |
| 103 |
|
| 104 |
void |
| 105 |
printercache_save_blob(char *printer_name, uint8 * data, uint32 length) |
| 106 |
{ |
| 107 |
char *home, *path; |
| 108 |
int fd; |
| 109 |
|
| 110 |
if (printer_name == NULL) |
| 111 |
return; |
| 112 |
|
| 113 |
home = getenv("HOME"); |
| 114 |
if (home == NULL) |
| 115 |
return; |
| 116 |
|
| 117 |
if (!printercache_mkdir(home, printer_name)) |
| 118 |
return; |
| 119 |
|
| 120 |
path = (char *) xmalloc(strlen(home) + sizeof("/.rdesktop/rdpdr/") + strlen(printer_name) + |
| 121 |
sizeof("/AutoPrinterCacheData")); |
| 122 |
sprintf(path, "%s/.rdesktop/rdpdr/%s/AutoPrinterCacheData", home, printer_name); |
| 123 |
|
| 124 |
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0600); |
| 125 |
if (fd == -1) |
| 126 |
{ |
| 127 |
perror(path); |
| 128 |
return; |
| 129 |
} |
| 130 |
|
| 131 |
if (write(fd, data, length) != length) |
| 132 |
{ |
| 133 |
perror(path); |
| 134 |
unlink(path); |
| 135 |
} |
| 136 |
|
| 137 |
close(fd); |
| 138 |
xfree(path); |
| 139 |
} |
| 140 |
|
| 141 |
void |
| 142 |
printercache_process(STREAM s) |
| 143 |
{ |
| 144 |
uint32 type, printer_length, driver_length, printer_unicode_length, blob_length; |
| 145 |
char device_name[9], printer[256], driver[256]; |
| 146 |
|
| 147 |
in_uint32_le(s, type); |
| 148 |
switch (type) |
| 149 |
{ |
| 150 |
case 2: |
| 151 |
|
| 152 |
in_uint32_le(s, printer_unicode_length); |
| 153 |
in_uint32_le(s, blob_length); |
| 154 |
|
| 155 |
if (printer_unicode_length < 2 * 255) |
| 156 |
{ |
| 157 |
rdp_in_unistr(s, printer, printer_unicode_length); |
| 158 |
printercache_save_blob(printer, s->p, blob_length); |
| 159 |
} |
| 160 |
break; |
| 161 |
|
| 162 |
case 1: |
| 163 |
|
| 164 |
// TODO: I think this one just tells us what printer is on LPT? but why? |
| 165 |
|
| 166 |
default: |
| 167 |
|
| 168 |
unimpl("RDPDR Printer Cache Packet Type: %d\n", type); |
| 169 |
break; |
| 170 |
} |
| 171 |
} |
Parent Directory
| 
Revision Log