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-rw-r--r--source3/printing/pcap.c213
1 files changed, 213 insertions, 0 deletions
diff --git a/source3/printing/pcap.c b/source3/printing/pcap.c
new file mode 100644
index 0000000..ec68d29
--- /dev/null
+++ b/source3/printing/pcap.c
@@ -0,0 +1,213 @@
+/*
+ Unix SMB/CIFS implementation.
+ printcap parsing
+ Copyright (C) Karl Auer 1993-1998
+
+ Re-working by Martin Kiff, 1994
+
+ Re-written again by Andrew Tridgell
+
+ Modified for SVID support by Norm Jacobs, 1997
+
+ Modified for CUPS support by Michael Sweet, 1999
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * Modified to call SVID/XPG4 support if printcap name is set to "lpstat"
+ * in smb.conf under Solaris.
+ *
+ * Modified to call CUPS support if printcap name is set to "cups"
+ * in smb.conf.
+ *
+ * Modified to call iPrint support if printcap name is set to "iprint"
+ * in smb.conf.
+ */
+
+#include "includes.h"
+#include "printing/pcap.h"
+#include "printer_list.h"
+
+struct pcap_cache {
+ char *name;
+ char *comment;
+ char *location;
+ struct pcap_cache *next;
+};
+
+bool pcap_cache_add_specific(struct pcap_cache **ppcache, const char *name, const char *comment, const char *location)
+{
+ struct pcap_cache *p;
+
+ if (name == NULL || ((p = SMB_MALLOC_P(struct pcap_cache)) == NULL))
+ return false;
+
+ p->name = SMB_STRDUP(name);
+ p->comment = (comment && *comment) ? SMB_STRDUP(comment) : NULL;
+ p->location = (location && *location) ? SMB_STRDUP(location) : NULL;
+
+ DEBUG(11,("pcap_cache_add_specific: Adding name %s info %s, location: %s\n",
+ p->name, p->comment ? p->comment : "",
+ p->location ? p->location : ""));
+
+ p->next = *ppcache;
+ *ppcache = p;
+
+ return true;
+}
+
+void pcap_cache_destroy_specific(struct pcap_cache **pp_cache)
+{
+ struct pcap_cache *p, *next;
+
+ for (p = *pp_cache; p != NULL; p = next) {
+ next = p->next;
+
+ SAFE_FREE(p->name);
+ SAFE_FREE(p->comment);
+ SAFE_FREE(p->location);
+ SAFE_FREE(p);
+ }
+ *pp_cache = NULL;
+}
+
+bool pcap_cache_replace(const struct pcap_cache *pcache)
+{
+ const struct pcap_cache *p;
+ NTSTATUS status;
+ time_t t = time_mono(NULL);
+
+ status = printer_list_mark_reload();
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("Failed to mark printer list for reload!\n"));
+ return false;
+ }
+
+ for (p = pcache; p; p = p->next) {
+ status = printer_list_set_printer(talloc_tos(), p->name,
+ p->comment, p->location, t);
+ if (!NT_STATUS_IS_OK(status)) {
+ return false;
+ }
+ }
+
+ status = printer_list_clean_old();
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("Failed to cleanup printer list!\n"));
+ return false;
+ }
+
+ return true;
+}
+
+void pcap_cache_reload(struct tevent_context *ev,
+ struct messaging_context *msg_ctx,
+ void (*post_cache_fill_fn)(struct tevent_context *,
+ struct messaging_context *))
+{
+ const char *pcap_name = lp_printcapname();
+ bool pcap_reloaded = False;
+ bool post_cache_fill_fn_handled = false;
+ struct pcap_cache *pcache = NULL;
+
+ DEBUG(3, ("reloading printcap cache\n"));
+
+ if (!lp_load_printers()) {
+ DBG_NOTICE("skipping reload - load printers disabled\n");
+ return;
+ }
+
+ /* only go looking if a printcap name is supplied */
+ if (pcap_name == NULL || *pcap_name == 0) {
+ DEBUG(0, ("No printcap file name configured!\n"));
+ return;
+ }
+
+#ifdef HAVE_CUPS
+ if (strequal(pcap_name, "cups")) {
+ pcap_reloaded = cups_cache_reload(ev, msg_ctx,
+ post_cache_fill_fn);
+ /*
+ * cups_cache_reload() is async and calls post_cache_fill_fn()
+ * on successful completion
+ */
+ post_cache_fill_fn_handled = true;
+ goto done;
+ }
+#endif
+
+#ifdef HAVE_IPRINT
+ if (strequal(pcap_name, "iprint")) {
+ pcap_reloaded = iprint_cache_reload(&pcache);
+ goto done;
+ }
+#endif
+
+#if defined(SYSV) || defined(HPUX)
+ if (strequal(pcap_name, "lpstat")) {
+ pcap_reloaded = sysv_cache_reload(&pcache);
+ goto done;
+ }
+#endif
+
+#ifdef AIX
+ if (strstr_m(pcap_name, "/qconfig") != NULL) {
+ pcap_reloaded = aix_cache_reload(&pcache);
+ goto done;
+ }
+#endif
+
+ pcap_reloaded = std_pcap_cache_reload(pcap_name, &pcache);
+
+/* Fix silly compiler warning about done not being used if none of the above
+ * ifdefs are used */
+#if defined(HAVE_CUPS) || defined(HAVE_IPRINT) || defined(SYSV) || defined(HPUX) || defined(AIX)
+done:
+#endif
+ DEBUG(3, ("reload status: %s\n", (pcap_reloaded) ? "ok" : "error"));
+
+ if ((pcap_reloaded) && (post_cache_fill_fn_handled == false)) {
+ /* cleanup old entries only if the operation was successful,
+ * otherwise keep around the old entries until we can
+ * successfully reload */
+
+ if (!pcap_cache_replace(pcache)) {
+ DEBUG(0, ("Failed to replace printer list!\n"));
+ }
+
+ if (post_cache_fill_fn != NULL) {
+ post_cache_fill_fn(ev, msg_ctx);
+ }
+ }
+ pcap_cache_destroy_specific(&pcache);
+
+ return;
+}
+
+/***************************************************************************
+run a function on each printer name in the printcap file.
+***************************************************************************/
+
+void pcap_printer_fn_specific(const struct pcap_cache *pc,
+ void (*fn)(const char *, const char *, const char *, void *),
+ void *pdata)
+{
+ const struct pcap_cache *p;
+
+ for (p = pc; p != NULL; p = p->next)
+ fn(p->name, p->comment, p->location, pdata);
+
+ return;
+}