/*
- * "$Id$"
- *
* Directory services routines for the CUPS scheduler.
*
- * Copyright 2007-2014 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products, all rights reserved.
+ * Copyright © 2007-2018 by Apple Inc.
+ * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
*
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
+ * Licensed under Apache License v2.0. See the file "LICENSE" for more
+ * information.
*/
/*
#endif /* HAVE_DNSSD && __APPLE__ */
+/*
+ * Local globals...
+ */
+
+#ifdef HAVE_AVAHI
+static int avahi_running = 0;
+#endif /* HAVE_AVAHI */
+
+
/*
* Local functions...
*/
void *context);
# endif /* __APPLE__ */
static cupsd_txt_t dnssdBuildTxtRecord(cupsd_printer_t *p, int for_lpd);
-static void dnssdDeregisterInstance(cupsd_srv_t *srv);
-static void dnssdDeregisterPrinter(cupsd_printer_t *p,
- int clear_name);
+# ifdef HAVE_AVAHI
+static void dnssdClientCallback(AvahiClient *c, AvahiClientState state, void *userdata);
+# endif /* HAVE_AVAHI */
+static void dnssdDeregisterAllPrinters(int from_callback);
+static void dnssdDeregisterInstance(cupsd_srv_t *srv, int from_callback);
+static void dnssdDeregisterPrinter(cupsd_printer_t *p, int clear_name, int from_callback);
static const char *dnssdErrorString(int error);
static void dnssdFreeTxtRecord(cupsd_txt_t *txt);
+static void dnssdRegisterAllPrinters(int from_callback);
# ifdef HAVE_DNSSD
static void dnssdRegisterCallback(DNSServiceRef sdRef,
DNSServiceFlags flags,
AvahiEntryGroupState state,
void *context);
# endif /* HAVE_DNSSD */
-static int dnssdRegisterInstance(cupsd_srv_t *srv,
- cupsd_printer_t *p,
- char *name, const char *type,
- const char *subtypes, int port,
- cupsd_txt_t *txt, int commit);
-static void dnssdRegisterPrinter(cupsd_printer_t *p);
+static int dnssdRegisterInstance(cupsd_srv_t *srv, cupsd_printer_t *p, char *name, const char *type, const char *subtypes, int port, cupsd_txt_t *txt, int commit, int from_callback);
+static void dnssdRegisterPrinter(cupsd_printer_t *p, int from_callback);
static void dnssdStop(void);
# ifdef HAVE_DNSSD
static void dnssdUpdate(void);
# endif /* HAVE_DNSSD */
+static void dnssdUpdateDNSSDName(int from_callback);
#endif /* HAVE_DNSSD || HAVE_AVAHI */
#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
if (removeit && (BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDMaster)
- dnssdDeregisterPrinter(p, 1);
+ dnssdDeregisterPrinter(p, 1, 0);
#endif /* HAVE_DNSSD || HAVE_AVAHI */
}
#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDMaster)
- dnssdRegisterPrinter(p);
+ dnssdRegisterPrinter(p, 0);
#endif /* HAVE_DNSSD || HAVE_AVAHI */
}
void
cupsdStartBrowsing(void)
{
- cupsd_printer_t *p; /* Current printer */
-
-
if (!Browsing || !BrowseLocalProtocols)
return;
#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
if (BrowseLocalProtocols & BROWSE_DNSSD)
{
- cupsd_listener_t *lis; /* Current listening socket */
# ifdef HAVE_DNSSD
DNSServiceErrorType error; /* Error from service creation */
cupsdAddSelect(fd, (cupsd_selfunc_t)dnssdUpdate, NULL, NULL);
}
+ /*
+ * Set the computer name and register the web interface...
+ */
+
+ DNSSDPort = 0;
+ cupsdUpdateDNSSDName();
+
# else /* HAVE_AVAHI */
if ((DNSSDMaster = avahi_threaded_poll_new()) == NULL)
{
{
int error; /* Error code, if any */
- DNSSDClient = avahi_client_new(avahi_threaded_poll_get(DNSSDMaster), AVAHI_CLIENT_NO_FAIL, NULL, NULL, &error);
+ DNSSDClient = avahi_client_new(avahi_threaded_poll_get(DNSSDMaster), AVAHI_CLIENT_NO_FAIL, dnssdClientCallback, NULL, &error);
if (DNSSDClient == NULL)
{
avahi_threaded_poll_start(DNSSDMaster);
}
# endif /* HAVE_DNSSD */
-
- /*
- * Then get the port we use for registrations. If we are not listening
- * on any non-local ports, there is no sense sharing local printers via
- * Bonjour...
- */
-
- DNSSDPort = 0;
-
- for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
- lis;
- lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
- {
- if (httpAddrLocalhost(&(lis->address)))
- continue;
-
- DNSSDPort = httpAddrPort(&(lis->address));
- break;
- }
-
- /*
- * Set the computer name and register the web interface...
- */
-
- cupsdUpdateDNSSDName();
}
#endif /* HAVE_DNSSD || HAVE_AVAHI */
if (BrowseLocalProtocols & BROWSE_SMB)
update_smb(1);
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
/*
* Register the individual printers
*/
- for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
- p;
- p = (cupsd_printer_t *)cupsArrayNext(Printers))
- if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_SCANNER)))
- cupsdRegisterPrinter(p);
+ dnssdRegisterAllPrinters(0);
+#endif /* HAVE_DNSSD || HAVE_AVAHI */
}
void
cupsdStopBrowsing(void)
{
- cupsd_printer_t *p; /* Current printer */
-
-
if (!Browsing || !BrowseLocalProtocols)
return;
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
/*
* De-register the individual printers
*/
- for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
- p;
- p = (cupsd_printer_t *)cupsArrayNext(Printers))
- if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_SCANNER)))
- cupsdDeregisterPrinter(p, 1);
+ dnssdDeregisterAllPrinters(0);
/*
* Shut down browsing sockets...
*/
-#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDMaster)
dnssdStop();
#endif /* HAVE_DNSSD || HAVE_AVAHI */
void
cupsdUpdateDNSSDName(void)
{
- char webif[1024]; /* Web interface share name */
-# ifdef __APPLE__
- SCDynamicStoreRef sc; /* Context for dynamic store */
- CFDictionaryRef btmm; /* Back-to-My-Mac domains */
- CFStringEncoding nameEncoding; /* Encoding of computer name */
- CFStringRef nameRef; /* Host name CFString */
- char nameBuffer[1024]; /* C-string buffer */
-# endif /* __APPLE__ */
-
-
- /*
- * Only share the web interface and printers when non-local listening is
- * enabled...
- */
-
- if (!DNSSDPort)
- return;
-
- /*
- * Get the computer name as a c-string...
- */
-
-# ifdef __APPLE__
- sc = SCDynamicStoreCreate(kCFAllocatorDefault, CFSTR("cupsd"), NULL, NULL);
-
- if (sc)
- {
- /*
- * Get the computer name from the dynamic store...
- */
-
- cupsdClearString(&DNSSDComputerName);
-
- if ((nameRef = SCDynamicStoreCopyComputerName(sc, &nameEncoding)) != NULL)
- {
- if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
- kCFStringEncodingUTF8))
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "Dynamic store computer name is \"%s\".", nameBuffer);
- cupsdSetString(&DNSSDComputerName, nameBuffer);
- }
-
- CFRelease(nameRef);
- }
-
- if (!DNSSDComputerName)
- {
- /*
- * Use the ServerName instead...
- */
-
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "Using ServerName \"%s\" as computer name.", ServerName);
- cupsdSetString(&DNSSDComputerName, ServerName);
- }
-
- /*
- * Get the local hostname from the dynamic store...
- */
-
- cupsdClearString(&DNSSDHostName);
-
- if ((nameRef = SCDynamicStoreCopyLocalHostName(sc)) != NULL)
- {
- if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
- kCFStringEncodingUTF8))
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "Dynamic store host name is \"%s\".", nameBuffer);
- cupsdSetString(&DNSSDHostName, nameBuffer);
- }
-
- CFRelease(nameRef);
- }
-
- if (!DNSSDHostName)
- {
- /*
- * Use the ServerName instead...
- */
-
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "Using ServerName \"%s\" as host name.", ServerName);
- cupsdSetString(&DNSSDHostName, ServerName);
- }
-
- /*
- * Get any Back-to-My-Mac domains and add them as aliases...
- */
-
- cupsdFreeAliases(DNSSDAlias);
- DNSSDAlias = NULL;
-
- btmm = SCDynamicStoreCopyValue(sc, CFSTR("Setup:/Network/BackToMyMac"));
- if (btmm && CFGetTypeID(btmm) == CFDictionaryGetTypeID())
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG, "%d Back to My Mac aliases to add.",
- (int)CFDictionaryGetCount(btmm));
- CFDictionaryApplyFunction(btmm, dnssdAddAlias, NULL);
- }
- else if (btmm)
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Bad Back to My Mac data in dynamic store!");
- else
- cupsdLogMessage(CUPSD_LOG_DEBUG, "No Back to My Mac aliases to add.");
-
- if (btmm)
- CFRelease(btmm);
-
- CFRelease(sc);
- }
- else
-# endif /* __APPLE__ */
-# ifdef HAVE_AVAHI
- if (DNSSDClient)
- {
- const char *host_name = avahi_client_get_host_name(DNSSDClient);
- const char *host_fqdn = avahi_client_get_host_name_fqdn(DNSSDClient);
-
- cupsdSetString(&DNSSDComputerName, host_name ? host_name : ServerName);
-
- if (host_fqdn)
- cupsdSetString(&DNSSDHostName, host_fqdn);
- else if (strchr(ServerName, '.'))
- cupsdSetString(&DNSSDHostName, ServerName);
- else
- cupsdSetStringf(&DNSSDHostName, "%s.local", ServerName);
- }
- else
-# endif /* HAVE_AVAHI */
- {
- cupsdSetString(&DNSSDComputerName, ServerName);
-
- if (strchr(ServerName, '.'))
- cupsdSetString(&DNSSDHostName, ServerName);
- else
- cupsdSetStringf(&DNSSDHostName, "%s.local", ServerName);
- }
-
- /*
- * Then (re)register the web interface if enabled...
- */
-
- if (BrowseWebIF)
- {
- if (DNSSDComputerName)
- snprintf(webif, sizeof(webif), "CUPS @ %s", DNSSDComputerName);
- else
- strlcpy(webif, "CUPS", sizeof(webif));
-
- dnssdDeregisterInstance(&WebIFSrv);
- dnssdRegisterInstance(&WebIFSrv, NULL, webif, "_http._tcp", "_printer",
- DNSSDPort, NULL, 1);
- }
+ dnssdUpdateDNSSDName(0);
}
{
int i, /* Looping var */
count; /* Count of key/value pairs */
- char admin_hostname[256], /* .local hostname for admin page */
+ char admin_hostname[256], /* Hostname for admin page */
adminurl_str[256], /* URL for the admin page */
type_str[32], /* Type to string buffer */
state_str[32], /* State to string buffer */
rp_str[1024], /* Queue name string buffer */
air_str[1024], /* auth-info-required string buffer */
- *keyvalue[32][2]; /* Table of key/value pairs */
+ *keyvalue[32][2], /* Table of key/value pairs */
+ *ptr; /* Pointer in string */
cupsd_txt_t txt; /* TXT record */
+ cupsd_listener_t *lis; /* Current listener */
+ const char *admin_scheme = "http"; /* Admin page URL scheme */
/*
keyvalue[count ][0] = "ty";
keyvalue[count++][1] = p->make_model ? p->make_model : "Unknown";
- if (strstr(DNSSDHostName, ".local"))
- strlcpy(admin_hostname, DNSSDHostName, sizeof(admin_hostname));
+ /*
+ * Get the hostname for the admin page...
+ */
+
+ if (strchr(DNSSDHostName, '.'))
+ {
+ /*
+ * Use the provided hostname, but make sure it ends with a period...
+ */
+
+ if ((ptr = DNSSDHostName + strlen(DNSSDHostName) - 1) >= DNSSDHostName && *ptr == '.')
+ strlcpy(admin_hostname, DNSSDHostName, sizeof(admin_hostname));
+ else
+ snprintf(admin_hostname, sizeof(admin_hostname), "%s.", DNSSDHostName);
+ }
else
- snprintf(admin_hostname, sizeof(admin_hostname), "%s.local.",
- DNSSDHostName);
- httpAssembleURIf(HTTP_URI_CODING_ALL, adminurl_str, sizeof(adminurl_str),
+ {
+ /*
+ * Unqualified hostname gets ".local." added to it...
+ */
+
+ snprintf(admin_hostname, sizeof(admin_hostname), "%s.local.", DNSSDHostName);
+ }
+
+ /*
+ * Get the URL scheme for the admin page...
+ */
+
# ifdef HAVE_SSL
- "https",
-# else
- "http",
+ for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); lis; lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
+ {
+ if (lis->encryption != HTTP_ENCRYPTION_NEVER)
+ {
+ admin_scheme = "https";
+ break;
+ }
+ }
# endif /* HAVE_SSL */
- NULL, admin_hostname, DNSSDPort, "/%s/%s",
- (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers",
- p->name);
+
+ httpAssembleURIf(HTTP_URI_CODING_ALL, adminurl_str, sizeof(adminurl_str), admin_scheme, NULL, admin_hostname, DNSSDPort, "/%s/%s", (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers", p->name);
keyvalue[count ][0] = "adminurl";
keyvalue[count++][1] = adminurl_str;
}
+# ifdef HAVE_AVAHI
+/*
+ * 'dnssdClientCallback()' - Client callback for Avahi.
+ *
+ * Called whenever the client or server state changes...
+ */
+
+static void
+dnssdClientCallback(
+ AvahiClient *c, /* I - Client */
+ AvahiClientState state, /* I - Current state */
+ void *userdata) /* I - User data (unused) */
+{
+ int error; /* Error code, if any */
+
+
+ (void)userdata;
+
+ if (!c)
+ return;
+
+ /*
+ * Make sure DNSSDClient is already set also if this callback function is
+ * already running before avahi_client_new() in dnssdStartBrowsing()
+ * finishes.
+ */
+
+ if (!DNSSDClient)
+ DNSSDClient = c;
+
+ switch (state)
+ {
+ case AVAHI_CLIENT_S_REGISTERING:
+ case AVAHI_CLIENT_S_RUNNING:
+ case AVAHI_CLIENT_S_COLLISION:
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Avahi server connection now available, registering printers for Bonjour broadcasting.");
+
+ /*
+ * Mark that Avahi server is running...
+ */
+
+ avahi_running = 1;
+
+ /*
+ * Set the computer name and register the web interface...
+ */
+
+ DNSSDPort = 0;
+ dnssdUpdateDNSSDName(1);
+
+ /*
+ * Register the individual printers
+ */
+
+ dnssdRegisterAllPrinters(1);
+ break;
+
+ case AVAHI_CLIENT_FAILURE:
+ if (avahi_client_errno(c) == AVAHI_ERR_DISCONNECTED)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Avahi server disappeared, unregistering printers for Bonjour broadcasting.");
+
+ /*
+ * Unregister everything and close the client...
+ */
+
+ dnssdDeregisterAllPrinters(1);
+ dnssdDeregisterInstance(&WebIFSrv, 1);
+ avahi_client_free(DNSSDClient);
+ DNSSDClient = NULL;
+
+ /*
+ * Mark that Avahi server is not running...
+ */
+
+ avahi_running = 0;
+
+ /*
+ * Renew Avahi client...
+ */
+
+ DNSSDClient = avahi_client_new(avahi_threaded_poll_get(DNSSDMaster), AVAHI_CLIENT_NO_FAIL, dnssdClientCallback, NULL, &error);
+
+ if (!DNSSDClient)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to communicate with avahi-daemon: %s", dnssdErrorString(error));
+ if (FatalErrors & CUPSD_FATAL_BROWSE)
+ cupsdEndProcess(getpid(), 0);
+ }
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Communication with avahi-daemon has failed: %s", avahi_strerror(avahi_client_errno(c)));
+ if (FatalErrors & CUPSD_FATAL_BROWSE)
+ cupsdEndProcess(getpid(), 0);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+# endif /* HAVE_AVAHI */
+
+
+/*
+ * 'dnssdDeregisterAllPrinters()' - Deregister all printers.
+ */
+
+static void
+dnssdDeregisterAllPrinters(
+ int from_callback) /* I - Deregistering because of callback? */
+{
+ cupsd_printer_t *p; /* Current printer */
+
+
+ if (!DNSSDMaster)
+ return;
+
+ for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
+ p;
+ p = (cupsd_printer_t *)cupsArrayNext(Printers))
+ if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_SCANNER)))
+ dnssdDeregisterPrinter(p, 1, from_callback);
+}
+
+
/*
* 'dnssdDeregisterInstance()' - Deregister a DNS-SD service instance.
*/
static void
dnssdDeregisterInstance(
- cupsd_srv_t *srv) /* I - Service */
+ cupsd_srv_t *srv, /* I - Service */
+ int from_callback) /* I - Called from callback? */
{
if (!srv || !*srv)
return;
# ifdef HAVE_DNSSD
+ (void)from_callback;
+
DNSServiceRefDeallocate(*srv);
+ *srv = NULL;
+
# else /* HAVE_AVAHI */
- avahi_threaded_poll_lock(DNSSDMaster);
- avahi_entry_group_free(*srv);
- avahi_threaded_poll_unlock(DNSSDMaster);
-# endif /* HAVE_DNSSD */
+ if (!from_callback)
+ avahi_threaded_poll_lock(DNSSDMaster);
- *srv = NULL;
+ if (*srv)
+ {
+ avahi_entry_group_free(*srv);
+ *srv = NULL;
+ }
+
+ if (!from_callback)
+ avahi_threaded_poll_unlock(DNSSDMaster);
+# endif /* HAVE_DNSSD */
}
static void
dnssdDeregisterPrinter(
cupsd_printer_t *p, /* I - Printer */
- int clear_name) /* I - Clear the name? */
+ int clear_name, /* I - Clear the name? */
+ int from_callback) /* I - Called from callback? */
{
cupsdLogMessage(CUPSD_LOG_DEBUG2,
if (p->ipp_srv)
{
- dnssdDeregisterInstance(&p->ipp_srv);
+ dnssdDeregisterInstance(&p->ipp_srv, from_callback);
# ifdef HAVE_DNSSD
# ifdef HAVE_SSL
- dnssdDeregisterInstance(&p->ipps_srv);
+ dnssdDeregisterInstance(&p->ipps_srv, from_callback);
# endif /* HAVE_SSL */
- dnssdDeregisterInstance(&p->printer_srv);
+ dnssdDeregisterInstance(&p->printer_srv, from_callback);
# endif /* HAVE_DNSSD */
}
}
+/*
+ * 'dnssdRegisterAllPrinters()' - Register all printers.
+ */
+
+static void
+dnssdRegisterAllPrinters(int from_callback) /* I - Called from callback? */
+{
+ cupsd_printer_t *p; /* Current printer */
+
+
+ if (!DNSSDMaster)
+ return;
+
+ for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
+ p;
+ p = (cupsd_printer_t *)cupsArrayNext(Printers))
+ if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_SCANNER)))
+ dnssdRegisterPrinter(p, from_callback);
+}
+
+
/*
* 'dnssdRegisterCallback()' - DNSServiceRegister callback.
*/
const char *subtypes, /* I - Subtypes to register or NULL */
int port, /* I - Port number or 0 */
cupsd_txt_t *txt, /* I - TXT record */
- int commit) /* I - Commit registration? */
+ int commit, /* I - Commit registration? */
+ int from_callback) /* I - Called from callback? */
{
char temp[256], /* Temporary string */
*ptr; /* Pointer into string */
int error; /* Any error */
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "Registering \"%s\" with DNS-SD type \"%s\".", name, type);
+# ifdef HAVE_DNSSD
+ (void)from_callback;
+# endif /* HAVE_DNSSD */
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Registering \"%s\" with DNS-SD type \"%s\".", name, type);
if (p && !srv)
{
(void)commit;
# else /* HAVE_AVAHI */
- avahi_threaded_poll_lock(DNSSDMaster);
+ if (!from_callback)
+ avahi_threaded_poll_lock(DNSSDMaster);
if (!*srv)
*srv = avahi_entry_group_new(DNSSDClient, dnssdRegisterCallback, NULL);
if (!*srv)
{
- avahi_threaded_poll_unlock(DNSSDMaster);
+ if (!from_callback)
+ avahi_threaded_poll_unlock(DNSSDMaster);
cupsdLogMessage(CUPSD_LOG_WARN, "DNS-SD registration of \"%s\" failed: %s",
name, dnssdErrorString(avahi_client_errno(DNSSDClient)));
*srv = DNSSDMaster;
error = DNSServiceRegister(srv, kDNSServiceFlagsShareConnection,
- 0, name, temp, NULL, NULL, htons(port),
+ 0, name, temp, NULL, DNSSDHostName, htons(port),
txt ? TXTRecordGetLength(txt) : 0,
txt ? TXTRecordGetBytesPtr(txt) : NULL,
dnssdRegisterCallback, p);
error = avahi_entry_group_add_service_strlst(*srv, AVAHI_IF_UNSPEC,
AVAHI_PROTO_UNSPEC, 0, name,
- type, NULL, NULL, port,
+ type, NULL, DNSSDHostName, port,
txt ? *txt : NULL);
if (error)
cupsdLogMessage(CUPSD_LOG_DEBUG, "DNS-SD service add for \"%s\" failed.",
name);
}
- avahi_threaded_poll_unlock(DNSSDMaster);
+ if (!from_callback)
+ avahi_threaded_poll_unlock(DNSSDMaster);
# endif /* HAVE_DNSSD */
if (error)
*/
static void
-dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
+dnssdRegisterPrinter(
+ cupsd_printer_t *p, /* I - Printer */
+ int from_callback) /* I - Called from callback? */
{
char name[256]; /* Service name */
int printer_port; /* LPD port number */
cupsd_txt_t ipp_txt, /* IPP(S) TXT record */
printer_txt; /* LPD TXT record */
+
cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterPrinter(%s) %s", p->name,
!p->ipp_srv ? "new" : "update");
+# ifdef HAVE_AVAHI
+ if (!avahi_running)
+ return;
+# endif /* HAVE_AVAHI */
+
/*
* Remove the current registrations if we have them and then return if
* per-printer sharing was just disabled...
*/
- dnssdDeregisterPrinter(p, 0);
+ dnssdDeregisterPrinter(p, 0, from_callback);
if (!p->shared)
return;
else
printer_port = 0;
- status = dnssdRegisterInstance(NULL, p, name, "_printer._tcp", NULL,
- printer_port, &printer_txt, 0);
+ status = dnssdRegisterInstance(NULL, p, name, "_printer._tcp", NULL, printer_port, &printer_txt, 0, from_callback);
# ifdef HAVE_SSL
if (status)
- dnssdRegisterInstance(NULL, p, name, "_ipps._tcp", DNSSDSubTypes,
- DNSSDPort, &ipp_txt, 0);
+ dnssdRegisterInstance(NULL, p, name, "_ipps._tcp", DNSSDSubTypes, DNSSDPort, &ipp_txt, 0, from_callback);
# endif /* HAVE_SSL */
if (status)
*/
if (p->type & CUPS_PRINTER_FAX)
- status = dnssdRegisterInstance(NULL, p, name, "_fax-ipp._tcp",
- DNSSDSubTypes, DNSSDPort, &ipp_txt, 1);
+ status = dnssdRegisterInstance(NULL, p, name, "_fax-ipp._tcp", DNSSDSubTypes, DNSSDPort, &ipp_txt, 1, from_callback);
else
- status = dnssdRegisterInstance(NULL, p, name, "_ipp._tcp", DNSSDSubTypes,
- DNSSDPort, &ipp_txt, 1);
+ status = dnssdRegisterInstance(NULL, p, name, "_ipp._tcp", DNSSDSubTypes, DNSSDPort, &ipp_txt, 1, from_callback);
}
dnssdFreeTxtRecord(&ipp_txt);
* Registration failed for this printer...
*/
- dnssdDeregisterInstance(&p->ipp_srv);
+ dnssdDeregisterInstance(&p->ipp_srv, from_callback);
# ifdef HAVE_DNSSD
# ifdef HAVE_SSL
- dnssdDeregisterInstance(&p->ipps_srv);
+ dnssdDeregisterInstance(&p->ipps_srv, from_callback);
# endif /* HAVE_SSL */
- dnssdDeregisterInstance(&p->printer_srv);
+ dnssdDeregisterInstance(&p->printer_srv, from_callback);
# endif /* HAVE_DNSSD */
}
}
for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
p;
p = (cupsd_printer_t *)cupsArrayNext(Printers))
- dnssdDeregisterPrinter(p, 1);
+ dnssdDeregisterPrinter(p, 1, 0);
/*
* Shutdown the rest of the service refs...
*/
- dnssdDeregisterInstance(&WebIFSrv);
+ dnssdDeregisterInstance(&WebIFSrv, 0);
# ifdef HAVE_DNSSD
cupsdRemoveSelect(DNSServiceRefSockFD(DNSSDMaster));
DNSSDMaster = NULL;
# else /* HAVE_AVAHI */
- avahi_threaded_poll_stop(DNSSDMaster);
+ if (DNSSDMaster)
+ avahi_threaded_poll_stop(DNSSDMaster);
- avahi_client_free(DNSSDClient);
- DNSSDClient = NULL;
+ if (DNSSDClient)
+ {
+ avahi_client_free(DNSSDClient);
+ DNSSDClient = NULL;
+ }
- avahi_threaded_poll_free(DNSSDMaster);
- DNSSDMaster = NULL;
+ if (DNSSDMaster)
+ {
+ avahi_threaded_poll_free(DNSSDMaster);
+ DNSSDMaster = NULL;
+ }
# endif /* HAVE_DNSSD */
cupsArrayDelete(DNSSDPrinters);
# endif /* HAVE_DNSSD */
+/*
+ * 'dnssdUpdateDNSSDName()' - Update the listen port, computer name, and web interface registration.
+ */
+
+static void
+dnssdUpdateDNSSDName(int from_callback) /* I - Called from callback? */
+{
+ char webif[1024]; /* Web interface share name */
+# ifdef __APPLE__
+ SCDynamicStoreRef sc; /* Context for dynamic store */
+ CFDictionaryRef btmm; /* Back-to-My-Mac domains */
+ CFStringEncoding nameEncoding; /* Encoding of computer name */
+ CFStringRef nameRef; /* Host name CFString */
+ char nameBuffer[1024]; /* C-string buffer */
+# endif /* __APPLE__ */
+
+
+ /*
+ * Only share the web interface and printers when non-local listening is
+ * enabled...
+ */
+
+ if (!DNSSDPort)
+ {
+ /*
+ * Get the port we use for registrations. If we are not listening on any
+ * non-local ports, there is no sense sharing local printers via Bonjour...
+ */
+
+ cupsd_listener_t *lis; /* Current listening socket */
+
+ for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
+ lis;
+ lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
+ {
+ if (httpAddrLocalhost(&(lis->address)))
+ continue;
+
+ DNSSDPort = httpAddrPort(&(lis->address));
+ break;
+ }
+ }
+
+ if (!DNSSDPort)
+ return;
+
+ /*
+ * Get the computer name as a c-string...
+ */
+
+# ifdef __APPLE__
+ sc = SCDynamicStoreCreate(kCFAllocatorDefault, CFSTR("cupsd"), NULL, NULL);
+
+ if (sc)
+ {
+ /*
+ * Get the computer name from the dynamic store...
+ */
+
+ cupsdClearString(&DNSSDComputerName);
+
+ if ((nameRef = SCDynamicStoreCopyComputerName(sc, &nameEncoding)) != NULL)
+ {
+ if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
+ kCFStringEncodingUTF8))
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Dynamic store computer name is \"%s\".", nameBuffer);
+ cupsdSetString(&DNSSDComputerName, nameBuffer);
+ }
+
+ CFRelease(nameRef);
+ }
+
+ if (!DNSSDComputerName)
+ {
+ /*
+ * Use the ServerName instead...
+ */
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Using ServerName \"%s\" as computer name.", ServerName);
+ cupsdSetString(&DNSSDComputerName, ServerName);
+ }
+
+ if (!DNSSDHostName)
+ {
+ /*
+ * Get the local hostname from the dynamic store...
+ */
+
+ if ((nameRef = SCDynamicStoreCopyLocalHostName(sc)) != NULL)
+ {
+ if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
+ kCFStringEncodingUTF8))
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Dynamic store host name is \"%s\".", nameBuffer);
+
+ if (strchr(nameBuffer, '.'))
+ cupsdSetString(&DNSSDHostName, nameBuffer);
+ else
+ cupsdSetStringf(&DNSSDHostName, "%s.local", nameBuffer);
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Defaulting to \"DNSSDHostName %s\".", DNSSDHostName);
+ }
+
+ CFRelease(nameRef);
+ }
+ }
+
+ if (!DNSSDHostName)
+ {
+ /*
+ * Use the ServerName instead...
+ */
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Using ServerName \"%s\" as host name.", ServerName);
+ cupsdSetString(&DNSSDHostName, ServerName);
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Defaulting to \"DNSSDHostName %s\".", DNSSDHostName);
+ }
+
+ /*
+ * Get any Back-to-My-Mac domains and add them as aliases...
+ */
+
+ cupsdFreeAliases(DNSSDAlias);
+ DNSSDAlias = NULL;
+
+ btmm = SCDynamicStoreCopyValue(sc, CFSTR("Setup:/Network/BackToMyMac"));
+ if (btmm && CFGetTypeID(btmm) == CFDictionaryGetTypeID())
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "%d Back to My Mac aliases to add.",
+ (int)CFDictionaryGetCount(btmm));
+ CFDictionaryApplyFunction(btmm, dnssdAddAlias, NULL);
+ }
+ else if (btmm)
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Bad Back to My Mac data in dynamic store!");
+ else
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "No Back to My Mac aliases to add.");
+
+ if (btmm)
+ CFRelease(btmm);
+
+ CFRelease(sc);
+ }
+ else
+# endif /* __APPLE__ */
+# ifdef HAVE_AVAHI
+ if (DNSSDClient)
+ {
+ const char *host_name = avahi_client_get_host_name(DNSSDClient);
+
+ cupsdSetString(&DNSSDComputerName, host_name ? host_name : ServerName);
+
+ if (!DNSSDHostName)
+ {
+ const char *host_fqdn = avahi_client_get_host_name_fqdn(DNSSDClient);
+
+ if (host_fqdn)
+ cupsdSetString(&DNSSDHostName, host_fqdn);
+ else if (strchr(ServerName, '.'))
+ cupsdSetString(&DNSSDHostName, ServerName);
+ else
+ cupsdSetStringf(&DNSSDHostName, "%s.local", ServerName);
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Defaulting to \"DNSSDHostName %s\".", DNSSDHostName);
+ }
+ }
+ else
+# endif /* HAVE_AVAHI */
+ {
+ cupsdSetString(&DNSSDComputerName, ServerName);
+
+ if (!DNSSDHostName)
+ {
+ if (strchr(ServerName, '.'))
+ cupsdSetString(&DNSSDHostName, ServerName);
+ else
+ cupsdSetStringf(&DNSSDHostName, "%s.local", ServerName);
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Defaulting to \"DNSSDHostName %s\".", DNSSDHostName);
+ }
+ }
+
+ /*
+ * Then (re)register the web interface if enabled...
+ */
+
+ if (BrowseWebIF)
+ {
+ if (DNSSDComputerName)
+ snprintf(webif, sizeof(webif), "CUPS @ %s", DNSSDComputerName);
+ else
+ strlcpy(webif, "CUPS", sizeof(webif));
+
+ dnssdDeregisterInstance(&WebIFSrv, from_callback);
+ dnssdRegisterInstance(&WebIFSrv, NULL, webif, "_http._tcp", "_printer", DNSSDPort, NULL, 1, from_callback);
+ }
+}
+
+
/*
* 'get_auth_info_required()' - Get the auth-info-required value to advertise.
*/
else
cupsdLogMessage(CUPSD_LOG_INFO, "Unknown SMBConfigFile scheme!");
}
-
-
-/*
- * End of "$Id$".
- */
projects / thirdparty / cups.git / blobdiff