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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 1999-2003 |
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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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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)); |
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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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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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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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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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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")); |
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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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return 0; |
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if (fstat(fd, &st)) |
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return 0; |
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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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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")); |
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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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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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astrand |
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/*case 4: renaming of item old name and then new name */ |
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/*case 3: delete item name */ |
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n-ki |
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case 2: |
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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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astrand |
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/*case 1: */ |
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n-ki |
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// TODO: I think this one just tells us what printer is on LPT? but why? |
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n-ki |
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// |
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// your name and the "users choice" of printer driver |
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// my guess is that you can store it and automagically reconnect |
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// the printer with correct driver next time. |
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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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} |