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https://github.com/samba-team/samba.git
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348b4b9bab
Signed-off-by: Günther Deschner <gd@samba.org>
196 lines
4.4 KiB
C
196 lines
4.4 KiB
C
/*
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Unix SMB/CIFS implementation.
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printcap parsing
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Copyright (C) Karl Auer 1993-1998
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Re-working by Martin Kiff, 1994
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Re-written again by Andrew Tridgell
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Modified for SVID support by Norm Jacobs, 1997
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Modified for CUPS support by Michael Sweet, 1999
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified to call SVID/XPG4 support if printcap name is set to "lpstat"
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* in smb.conf under Solaris.
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*
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* Modified to call CUPS support if printcap name is set to "cups"
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* in smb.conf.
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*
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* Modified to call iPrint support if printcap name is set to "iprint"
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* in smb.conf.
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*/
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#include "includes.h"
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#include "pcap.h"
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struct pcap_cache {
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char *name;
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char *comment;
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struct pcap_cache *next;
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};
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/* The systemwide printcap cache. */
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static struct pcap_cache *pcap_cache = NULL;
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bool pcap_cache_add_specific(struct pcap_cache **ppcache, const char *name, const char *comment)
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{
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struct pcap_cache *p;
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if (name == NULL || ((p = SMB_MALLOC_P(struct pcap_cache)) == NULL))
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return false;
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p->name = SMB_STRDUP(name);
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p->comment = (comment && *comment) ? SMB_STRDUP(comment) : NULL;
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DEBUG(11,("pcap_cache_add_specific: Adding name %s info %s\n",
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p->name, p->comment ? p->comment : ""));
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p->next = *ppcache;
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*ppcache = p;
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return true;
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}
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void pcap_cache_destroy_specific(struct pcap_cache **pp_cache)
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{
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struct pcap_cache *p, *next;
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for (p = *pp_cache; p != NULL; p = next) {
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next = p->next;
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SAFE_FREE(p->name);
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SAFE_FREE(p->comment);
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SAFE_FREE(p);
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}
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*pp_cache = NULL;
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}
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bool pcap_cache_add(const char *name, const char *comment)
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{
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return pcap_cache_add_specific(&pcap_cache, name, comment);
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}
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bool pcap_cache_loaded(void)
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{
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return (pcap_cache != NULL);
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}
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void pcap_cache_replace(const struct pcap_cache *pcache)
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{
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const struct pcap_cache *p;
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pcap_cache_destroy_specific(&pcap_cache);
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for (p = pcache; p; p = p->next) {
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pcap_cache_add(p->name, p->comment);
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}
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}
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void pcap_cache_reload(void)
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{
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const char *pcap_name = lp_printcapname();
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bool pcap_reloaded = False;
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struct pcap_cache *tmp_cache = NULL;
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DEBUG(3, ("reloading printcap cache\n"));
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/* only go looking if no printcap name supplied */
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if (pcap_name == NULL || *pcap_name == 0) {
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DEBUG(0, ("No printcap file name configured!\n"));
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return;
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}
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tmp_cache = pcap_cache;
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pcap_cache = NULL;
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#ifdef HAVE_CUPS
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if (strequal(pcap_name, "cups")) {
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pcap_reloaded = cups_cache_reload();
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goto done;
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}
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#endif
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#ifdef HAVE_IPRINT
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if (strequal(pcap_name, "iprint")) {
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pcap_reloaded = iprint_cache_reload();
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goto done;
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}
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#endif
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#if defined(SYSV) || defined(HPUX)
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if (strequal(pcap_name, "lpstat")) {
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pcap_reloaded = sysv_cache_reload();
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goto done;
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}
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#endif
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#ifdef AIX
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if (strstr_m(pcap_name, "/qconfig") != NULL) {
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pcap_reloaded = aix_cache_reload();
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goto done;
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}
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#endif
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pcap_reloaded = std_pcap_cache_reload(pcap_name);
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done:
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DEBUG(3, ("reload status: %s\n", (pcap_reloaded) ? "ok" : "error"));
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if (pcap_reloaded)
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pcap_cache_destroy_specific(&tmp_cache);
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else {
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pcap_cache_destroy_specific(&pcap_cache);
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pcap_cache = tmp_cache;
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}
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return;
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}
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bool pcap_printername_ok(const char *printername)
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{
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struct pcap_cache *p;
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for (p = pcap_cache; p != NULL; p = p->next)
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if (strequal(p->name, printername))
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return True;
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return False;
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}
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/***************************************************************************
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run a function on each printer name in the printcap file.
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***************************************************************************/
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void pcap_printer_fn_specific(const struct pcap_cache *pc,
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void (*fn)(const char *, const char *, void *),
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void *pdata)
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{
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const struct pcap_cache *p;
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for (p = pc; p != NULL; p = p->next)
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fn(p->name, p->comment, pdata);
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return;
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}
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void pcap_printer_fn(void (*fn)(const char *, const char *, void *), void *pdata)
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{
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pcap_printer_fn_specific(pcap_cache, fn, pdata);
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}
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