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/* -*- c-basic-offset: 8 -*- |
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* rdesktop: A Remote Desktop Protocol client. |
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* Entrypoint and utility functions |
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* Copyright (C) Matthew Chapman 1999-2005 |
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* Copyright (C) Jeroen Meijer 2003 |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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/* According to the W2K RDP Printer Redirection WhitePaper, a data |
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* blob is sent to the client after the configuration of the printer |
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* is changed at the server. |
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* |
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* This data blob is saved to the registry. The client returns this |
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* data blob in a new session with the printer announce data. |
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* The data is not interpreted by the client. |
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*/ |
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#include <sys/stat.h> |
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#include <sys/types.h> |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <unistd.h> |
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#include <string.h> |
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#include "rdesktop.h" |
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astrand |
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static BOOL |
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printercache_mkdir(char *base, char *printer) |
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{ |
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char *path; |
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path = (char *) xmalloc(strlen(base) + sizeof("/.rdesktop/rdpdr/") + strlen(printer) + 1); |
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|
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sprintf(path, "%s/.rdesktop", base); |
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if ((mkdir(path, 0700) == -1) && errno != EEXIST) |
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{ |
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perror(path); |
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xfree(path); |
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return False; |
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} |
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strcat(path, "/rdpdr"); |
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if ((mkdir(path, 0700) == -1) && errno != EEXIST) |
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{ |
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perror(path); |
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xfree(path); |
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return False; |
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} |
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strcat(path, "/"); |
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strcat(path, printer); |
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if ((mkdir(path, 0700) == -1) && errno != EEXIST) |
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{ |
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perror(path); |
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xfree(path); |
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return False; |
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} |
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xfree(path); |
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return True; |
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} |
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astrand |
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static BOOL |
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printercache_unlink_blob(char *printer) |
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{ |
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char *path; |
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char *home; |
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if (printer == NULL) |
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return False; |
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home = getenv("HOME"); |
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if (home == NULL) |
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return False; |
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path = (char *) xmalloc(strlen(home) + sizeof("/.rdesktop/rdpdr/") + strlen(printer) + |
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sizeof("/AutoPrinterCacheData") + 1); |
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sprintf(path, "%s/.rdesktop/rdpdr/%s/AutoPrinterCacheData", home, printer); |
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if (unlink(path) < 0) |
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{ |
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xfree(path); |
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return False; |
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} |
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sprintf(path, "%s/.rdesktop/rdpdr/%s", home, printer); |
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if (rmdir(path) < 0) |
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{ |
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xfree(path); |
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return False; |
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} |
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xfree(path); |
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return True; |
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} |
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astrand |
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static BOOL |
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printercache_rename_blob(char *printer, char *new_printer) |
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{ |
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char *printer_path; |
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char *new_printer_path; |
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int printer_maxlen; |
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char *home; |
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if (printer == NULL) |
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return False; |
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home = getenv("HOME"); |
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if (home == NULL) |
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return False; |
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printer_maxlen = |
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(strlen(printer) > |
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strlen(new_printer) ? strlen(printer) : strlen(new_printer)) + strlen(home) + |
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sizeof("/.rdesktop/rdpdr/") + 1; |
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printer_path = (char *) xmalloc(printer_maxlen); |
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new_printer_path = (char *) xmalloc(printer_maxlen); |
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sprintf(printer_path, "%s/.rdesktop/rdpdr/%s", home, printer); |
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sprintf(new_printer_path, "%s/.rdesktop/rdpdr/%s", home, new_printer); |
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printf("%s,%s\n", printer_path, new_printer_path); |
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if (rename(printer_path, new_printer_path) < 0) |
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{ |
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xfree(printer_path); |
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xfree(new_printer_path); |
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return False; |
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} |
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xfree(printer_path); |
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xfree(new_printer_path); |
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return True; |
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} |
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int |
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printercache_load_blob(char *printer_name, uint8 ** data) |
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{ |
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char *home, *path; |
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struct stat st; |
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int fd, length; |
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if (printer_name == NULL) |
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return 0; |
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*data = NULL; |
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home = getenv("HOME"); |
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if (home == NULL) |
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return 0; |
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astrand |
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path = (char *) xmalloc(strlen(home) + sizeof("/.rdesktop/rdpdr/") + strlen(printer_name) + |
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sizeof("/AutoPrinterCacheData") + 1); |
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sprintf(path, "%s/.rdesktop/rdpdr/%s/AutoPrinterCacheData", home, printer_name); |
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fd = open(path, O_RDONLY); |
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if (fd == -1) |
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{ |
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xfree(path); |
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return 0; |
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} |
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|
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if (fstat(fd, &st)) |
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{ |
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xfree(path); |
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return 0; |
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} |
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|
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*data = (uint8 *) xmalloc(st.st_size); |
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length = read(fd, *data, st.st_size); |
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close(fd); |
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xfree(path); |
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return length; |
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} |
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astrand |
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static void |
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printercache_save_blob(char *printer_name, uint8 * data, uint32 length) |
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{ |
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char *home, *path; |
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int fd; |
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if (printer_name == NULL) |
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return; |
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home = getenv("HOME"); |
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if (home == NULL) |
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return; |
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if (!printercache_mkdir(home, printer_name)) |
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return; |
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astrand |
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path = (char *) xmalloc(strlen(home) + sizeof("/.rdesktop/rdpdr/") + strlen(printer_name) + |
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sizeof("/AutoPrinterCacheData") + 1); |
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sprintf(path, "%s/.rdesktop/rdpdr/%s/AutoPrinterCacheData", home, printer_name); |
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fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0600); |
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if (fd == -1) |
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{ |
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perror(path); |
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xfree(path); |
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return; |
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} |
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if (write(fd, data, length) != length) |
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{ |
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perror(path); |
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unlink(path); |
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} |
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close(fd); |
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xfree(path); |
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} |
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void |
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printercache_process(STREAM s) |
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{ |
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uint32 type, printer_length, driver_length, printer_unicode_length, blob_length; |
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char device_name[9], printer[256], driver[256]; |
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in_uint32_le(s, type); |
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switch (type) |
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{ |
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n-ki |
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case 4: /* rename item */ |
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in_uint8(s, printer_length); |
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in_uint8s(s, 0x3); // padding |
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in_uint8(s, driver_length); |
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in_uint8s(s, 0x3); // padding |
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/* NOTE - 'driver' doesn't contain driver, it contains the new printer name */ |
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rdp_in_unistr(s, printer, printer_length); |
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rdp_in_unistr(s, driver, driver_length); |
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printercache_rename_blob(printer, driver); |
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break; |
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case 3: /* delete item */ |
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in_uint8(s, printer_unicode_length); |
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in_uint8s(s, 0x3); // padding |
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printer_length = rdp_in_unistr(s, printer, printer_unicode_length); |
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printercache_unlink_blob(printer); |
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break; |
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case 2: /* save printer data */ |
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n-ki |
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in_uint32_le(s, printer_unicode_length); |
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in_uint32_le(s, blob_length); |
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if (printer_unicode_length < 2 * 255) |
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{ |
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rdp_in_unistr(s, printer, printer_unicode_length); |
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printercache_save_blob(printer, s->p, blob_length); |
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} |
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break; |
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n-ki |
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case 1: /* save device data */ |
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in_uint8a(s, device_name, 5); // get LPTx/COMx name |
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n-ki |
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|
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n-ki |
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// need to fetch this data so that we can get the length of the packet to store. |
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in_uint8s(s, 0x2); // ??? |
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in_uint8s(s, 0x2) // pad?? |
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in_uint32_be(s, driver_length); |
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in_uint32_be(s, printer_length); |
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in_uint8s(s, 0x7) // pad?? |
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// next is driver in unicode |
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// next is printer in unicode |
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/* TODO: figure out how to use this information when reconnecting */ |
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/* actually - all we need to store is the driver and printer */ |
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/* and figure out what the first word is. */ |
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/* rewind stream so that we can save this blob */ |
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/* length is driver_length + printer_length + 19 */ |
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// rewind stream |
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s->p = s->p - 19; |
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printercache_save_blob(device_name, s->p, |
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driver_length + printer_length + 19); |
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break; |
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n-ki |
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default: |
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unimpl("RDPDR Printer Cache Packet Type: %d\n", type); |
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break; |
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} |
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} |