/*
- * Copyright (c) 2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2007-2012 Apple Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- *
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#define ERROR(x, y) y,
static const char *errorstring[] =
- {
- #include "helper-error.h"
- NULL
- };
+{
+ #include "helper-error.h"
+ NULL
+};
#undef ERROR
static mach_port_t getHelperPort(int retry)
- {
- static mach_port_t port = MACH_PORT_NULL;
- if (retry) port = MACH_PORT_NULL;
- if (port == MACH_PORT_NULL && BOOTSTRAP_SUCCESS != bootstrap_look_up(bootstrap_port, kmDNSHelperServiceName, &port))
- LogMsg("%s: cannot contact helper", __func__);
- return port;
- }
+{
+ static mach_port_t port = MACH_PORT_NULL;
+ if (retry) port = MACH_PORT_NULL;
+ if (port == MACH_PORT_NULL && BOOTSTRAP_SUCCESS != bootstrap_look_up(bootstrap_port, kmDNSHelperServiceName, &port))
+ LogMsg("%s: cannot contact helper", __func__);
+ return port;
+}
const char *mDNSHelperError(int err)
- {
- static const char *p = "<unknown error>";
- if (mDNSHelperErrorBase < err && mDNSHelperErrorEnd > err)
- p = errorstring[err - mDNSHelperErrorBase - 1];
- return p;
- }
+{
+ static const char *p = "<unknown error>";
+ if (mDNSHelperErrorBase < err && mDNSHelperErrorEnd > err)
+ p = errorstring[err - mDNSHelperErrorBase - 1];
+ return p;
+}
/* Ugly but handy. */
// We don't bother reporting kIOReturnNotReady because that error code occurs in "normal" operation
// and doesn't indicate anything unexpected that needs to be investigated
#define MACHRETRYLOOP_BEGIN(kr, retry, err, fin) \
- for (;;) \
- {
-#define MACHRETRYLOOP_END(kr, retry, err, fin) \
- if (KERN_SUCCESS == (kr)) break; \
- else if (MACH_SEND_INVALID_DEST == (kr) && 0 == (retry)++) continue; \
- else \
- { \
- (err) = kmDNSHelperCommunicationFailed; \
- LogMsg("%s: Mach communication failed: %d %X %s", __func__, kr, kr, mach_error_string(kr)); \
- goto fin; \
- } \
- } \
- if (0 != (err) && kIOReturnNotReady != (err)) \
- { LogMsg("%s: %d 0x%X (%s)", __func__, (err), (err), mDNSHelperError(err)); goto fin; }
+ for (;;) \
+ {
+#define MACHRETRYLOOP_END(kr, retry, err, fin) \
+ if (KERN_SUCCESS == (kr)) break; \
+ else if (MACH_SEND_INVALID_DEST == (kr) && 0 == (retry)++) continue; \
+ else \
+ { \
+ (err) = kmDNSHelperCommunicationFailed; \
+ LogMsg("%s: Mach communication failed: %d %X %s", __func__, kr, kr, mach_error_string(kr)); \
+ goto fin; \
+ } \
+ } \
+ if (0 != (err) && kIOReturnNotReady != (err)) \
+ { LogMsg("%s: %d 0x%X (%s)", __func__, (err), (err), mDNSHelperError(err)); goto fin; }
void mDNSPreferencesSetName(int key, domainlabel *old, domainlabel *new)
- {
- kern_return_t kr = KERN_FAILURE;
- int retry = 0;
- int err = 0;
- char oldname[MAX_DOMAIN_LABEL+1] = {0};
- char newname[MAX_DOMAIN_LABEL+1] = {0};
- ConvertDomainLabelToCString_unescaped(old, oldname);
- if (new) ConvertDomainLabelToCString_unescaped(new, newname);
+{
+ kern_return_t kr = KERN_FAILURE;
+ int retry = 0;
+ int err = 0;
+ char oldname[MAX_DOMAIN_LABEL+1] = {0};
+ char newname[MAX_DOMAIN_LABEL+1] = {0};
+ ConvertDomainLabelToCString_unescaped(old, oldname);
+ if (new) ConvertDomainLabelToCString_unescaped(new, newname);
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSPreferencesSetName(getHelperPort(retry), key, oldname, newname);
- MACHRETRYLOOP_END(kr, retry, err, fin);
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSPreferencesSetName(getHelperPort(retry), key, oldname, newname);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- (void)err;
- }
+ (void)err;
+}
void mDNSDynamicStoreSetConfig(int key, const char *subkey, CFPropertyListRef value)
- {
- CFWriteStreamRef stream = NULL;
- CFDataRef bytes = NULL;
- kern_return_t kr = KERN_FAILURE;
- int retry = 0;
- int err = 0;
+{
+ CFWriteStreamRef stream = NULL;
+ CFDataRef bytes = NULL;
+ kern_return_t kr = KERN_FAILURE;
+ int retry = 0;
+ int err = 0;
- if (NULL == (stream = CFWriteStreamCreateWithAllocatedBuffers(NULL, NULL)))
- {
- err = kmDNSHelperCreationFailed;
- LogMsg("%s: CFWriteStreamCreateWithAllocatedBuffers failed", __func__);
- goto fin;
- }
- CFWriteStreamOpen(stream);
- if (0 == CFPropertyListWriteToStream(value, stream, kCFPropertyListBinaryFormat_v1_0, NULL))
- {
- err = kmDNSHelperPListWriteFailed;
- LogMsg("%s: CFPropertyListWriteToStream failed", __func__);
- goto fin;
- }
- if (NULL == (bytes = CFWriteStreamCopyProperty(stream, kCFStreamPropertyDataWritten)))
- {
- err = kmDNSHelperCreationFailed;
- LogMsg("%s: CFWriteStreamCopyProperty failed", __func__);
- goto fin;
- }
- CFWriteStreamClose(stream);
- CFRelease(stream);
- stream = NULL;
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSDynamicStoreSetConfig(getHelperPort(retry), key, subkey ? subkey : "", (vm_offset_t)CFDataGetBytePtr(bytes), CFDataGetLength(bytes));
- MACHRETRYLOOP_END(kr, retry, err, fin);
+ if (NULL == (stream = CFWriteStreamCreateWithAllocatedBuffers(NULL, NULL)))
+ {
+ err = kmDNSHelperCreationFailed;
+ LogMsg("%s: CFWriteStreamCreateWithAllocatedBuffers failed", __func__);
+ goto fin;
+ }
+ CFWriteStreamOpen(stream);
+ if (0 == CFPropertyListWriteToStream(value, stream, kCFPropertyListBinaryFormat_v1_0, NULL))
+ {
+ err = kmDNSHelperPListWriteFailed;
+ LogMsg("%s: CFPropertyListWriteToStream failed", __func__);
+ goto fin;
+ }
+ if (NULL == (bytes = CFWriteStreamCopyProperty(stream, kCFStreamPropertyDataWritten)))
+ {
+ err = kmDNSHelperCreationFailed;
+ LogMsg("%s: CFWriteStreamCopyProperty failed", __func__);
+ goto fin;
+ }
+ CFWriteStreamClose(stream);
+ CFRelease(stream);
+ stream = NULL;
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSDynamicStoreSetConfig(getHelperPort(retry), key, subkey ? subkey : "", (vm_offset_t)CFDataGetBytePtr(bytes), CFDataGetLength(bytes));
+ MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- if (NULL != stream) { CFWriteStreamClose(stream); CFRelease(stream); }
- if (NULL != bytes) CFRelease(bytes);
- (void)err;
- }
+ if (NULL != stream) { CFWriteStreamClose(stream); CFRelease(stream); }
+ if (NULL != bytes) CFRelease(bytes);
+ (void)err;
+}
void mDNSRequestBPF(void)
- {
- kern_return_t kr = KERN_FAILURE;
- int retry = 0, err = 0;
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSRequestBPF(getHelperPort(retry));
- MACHRETRYLOOP_END(kr, retry, err, fin);
+{
+ kern_return_t kr = KERN_FAILURE;
+ int retry = 0, err = 0;
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSRequestBPF(getHelperPort(retry));
+ MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- (void)err;
- }
+ (void)err;
+}
int mDNSPowerRequest(int key, int interval)
- {
- kern_return_t kr = KERN_FAILURE;
- int retry = 0, err = 0;
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSPowerRequest(getHelperPort(retry), key, interval, &err);
- MACHRETRYLOOP_END(kr, retry, err, fin);
+{
+ kern_return_t kr = KERN_FAILURE;
+ int retry = 0, err = 0;
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSPowerRequest(getHelperPort(retry), key, interval, &err);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- return err;
- }
+ return err;
+}
int mDNSSetLocalAddressCacheEntry(int ifindex, int family, const v6addr_t ip, const ethaddr_t eth)
- {
- kern_return_t kr = KERN_FAILURE;
- int retry = 0, err = 0;
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSSetLocalAddressCacheEntry(getHelperPort(retry), ifindex, family, (uint8_t*)ip, (uint8_t*)eth, &err);
- MACHRETRYLOOP_END(kr, retry, err, fin);
+{
+ kern_return_t kr = KERN_FAILURE;
+ int retry = 0, err = 0;
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSSetLocalAddressCacheEntry(getHelperPort(retry), ifindex, family, (uint8_t*)ip, (uint8_t*)eth, &err);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- return err;
- }
+ return err;
+}
-void mDNSNotify(const char *title, const char *msg) // Both strings are UTF-8 text
- {
- kern_return_t kr = KERN_FAILURE;
- int retry = 0, err = 0;
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSNotify(getHelperPort(retry), title, msg);
- MACHRETRYLOOP_END(kr, retry, err, fin);
+void mDNSNotify(const char *title, const char *msg) // Both strings are UTF-8 text
+{
+ kern_return_t kr = KERN_FAILURE;
+ int retry = 0, err = 0;
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSNotify(getHelperPort(retry), title, msg);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- (void)err;
- }
+ (void)err;
+}
int mDNSKeychainGetSecrets(CFArrayRef *result)
- {
- CFPropertyListRef plist = NULL;
- CFDataRef bytes = NULL;
- kern_return_t kr = KERN_FAILURE;
- unsigned int numsecrets = 0;
- vm_offset_t secrets = 0;
- mach_msg_type_number_t secretsCnt = 0;
- int retry = 0, err = 0;
-
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSKeychainGetSecrets(getHelperPort(retry), &numsecrets, &secrets, &secretsCnt, &err);
- MACHRETRYLOOP_END(kr, retry, err, fin);
+{
+ CFPropertyListRef plist = NULL;
+ CFDataRef bytes = NULL;
+ kern_return_t kr = KERN_FAILURE;
+ unsigned int numsecrets = 0;
+ vm_offset_t secrets = 0;
+ mach_msg_type_number_t secretsCnt = 0;
+ int retry = 0, err = 0;
- if (NULL == (bytes = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (void*)secrets, secretsCnt, kCFAllocatorNull)))
- {
- err = kmDNSHelperCreationFailed;
- LogMsg("%s: CFDataCreateWithBytesNoCopy failed", __func__);
- goto fin;
- }
- if (NULL == (plist = CFPropertyListCreateFromXMLData(kCFAllocatorDefault, bytes, kCFPropertyListImmutable, NULL)))
- {
- err = kmDNSHelperInvalidPList;
- LogMsg("%s: CFPropertyListCreateFromXMLData failed", __func__);
- goto fin;
- }
- if (CFArrayGetTypeID() != CFGetTypeID(plist))
- {
- err = kmDNSHelperTypeError;
- LogMsg("%s: Unexpected result type", __func__);
- CFRelease(plist);
- plist = NULL;
- goto fin;
- }
- *result = (CFArrayRef)plist;
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSKeychainGetSecrets(getHelperPort(retry), &numsecrets, &secrets, &secretsCnt, &err);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
-fin:
- if (bytes) CFRelease(bytes);
- if (secrets) vm_deallocate(mach_task_self(), secrets, secretsCnt);
- return err;
- }
+ if (NULL == (bytes = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (void*)secrets, secretsCnt, kCFAllocatorNull)))
+ {
+ err = kmDNSHelperCreationFailed;
+ LogMsg("%s: CFDataCreateWithBytesNoCopy failed", __func__);
+ goto fin;
+ }
+ if (NULL == (plist = CFPropertyListCreateFromXMLData(kCFAllocatorDefault, bytes, kCFPropertyListImmutable, NULL)))
+ {
+ err = kmDNSHelperInvalidPList;
+ LogMsg("%s: CFPropertyListCreateFromXMLData failed", __func__);
+ goto fin;
+ }
+ if (CFArrayGetTypeID() != CFGetTypeID(plist))
+ {
+ err = kmDNSHelperTypeError;
+ LogMsg("%s: Unexpected result type", __func__);
+ CFRelease(plist);
+ plist = NULL;
+ goto fin;
+ }
+ *result = (CFArrayRef)plist;
-void mDNSAutoTunnelInterfaceUpDown(int updown, v6addr_t address)
- {
- kern_return_t kr = KERN_SUCCESS;
- int retry = 0, err = 0;
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSAutoTunnelInterfaceUpDown(getHelperPort(retry), updown, address);
- MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- (void)err;
- }
-
-extern const char dnsprefix[];
+ if (bytes) CFRelease(bytes);
+ if (secrets) vm_deallocate(mach_task_self(), secrets, secretsCnt);
+ return err;
+}
void mDNSConfigureServer(int updown, const char *const prefix, const domainname *const fqdn)
- {
- kern_return_t kr = KERN_SUCCESS;
- int retry = 0, err = 0;
- char fqdnStr[MAX_ESCAPED_DOMAIN_NAME + 10] = { 0 }; // Assume the prefix is no larger than 10 chars
- if (fqdn)
- {
- mDNSPlatformStrCopy(fqdnStr, prefix);
- if (ConvertDomainNameToCString(fqdn, fqdnStr + mDNSPlatformStrLen(prefix)) && prefix == dnsprefix)
- {
- // remove the trailing dot, as that is not used in the keychain entry racoon will lookup
- mDNSu32 fqdnEnd = mDNSPlatformStrLen(fqdnStr);
- if (fqdnEnd) fqdnStr[fqdnEnd - 1] = 0;
- }
- }
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSConfigureServer(getHelperPort(retry), updown, fqdnStr);
- MACHRETRYLOOP_END(kr, retry, err, fin);
+{
+ kern_return_t kr = KERN_SUCCESS;
+ int retry = 0, err = 0;
+ char fqdnStr[MAX_ESCAPED_DOMAIN_NAME + 10] = { 0 }; // Assume the prefix is no larger than 10 chars
+ if (fqdn)
+ {
+ mDNSPlatformStrCopy(fqdnStr, prefix);
+ ConvertDomainNameToCString(fqdn, fqdnStr + mDNSPlatformStrLen(prefix));
+ }
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSConfigureServer(getHelperPort(retry), updown, fqdnStr);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- (void)err;
- }
+ (void)err;
+}
int mDNSAutoTunnelSetKeys(int replacedelete, v6addr_t local_inner,
- v6addr_t local_outer, short local_port, v6addr_t remote_inner,
- v6addr_t remote_outer, short remote_port, const char* const prefix, const domainname *const fqdn)
- {
- kern_return_t kr = KERN_SUCCESS;
- int retry = 0, err = 0;
- char fqdnStr[MAX_ESCAPED_DOMAIN_NAME + 10] = { 0 }; // Assume the prefix is no larger than 10 chars
- if (fqdn)
- {
- mDNSPlatformStrCopy(fqdnStr, prefix);
- if (ConvertDomainNameToCString(fqdn, fqdnStr + mDNSPlatformStrLen(prefix)) && prefix == dnsprefix)
- {
- // remove the trailing dot, as that is not used in the keychain entry racoon will lookup
- mDNSu32 fqdnEnd = mDNSPlatformStrLen(fqdnStr);
- if (fqdnEnd) fqdnStr[fqdnEnd - 1] = 0;
- }
- }
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSAutoTunnelSetKeys(getHelperPort(retry), replacedelete, local_inner, local_outer, local_port, remote_inner, remote_outer, remote_port, fqdnStr, &err);
- MACHRETRYLOOP_END(kr, retry, err, fin);
+ v6addr_t local_outer, short local_port, v6addr_t remote_inner,
+ v6addr_t remote_outer, short remote_port, const char* const prefix, const domainname *const fqdn)
+{
+ kern_return_t kr = KERN_SUCCESS;
+ int retry = 0, err = 0;
+ char fqdnStr[MAX_ESCAPED_DOMAIN_NAME + 10] = { 0 }; // Assume the prefix is no larger than 10 chars
+ if (fqdn)
+ {
+ mDNSPlatformStrCopy(fqdnStr, prefix);
+ ConvertDomainNameToCString(fqdn, fqdnStr + mDNSPlatformStrLen(prefix));
+ }
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSAutoTunnelSetKeys(getHelperPort(retry), replacedelete, local_inner, local_outer, local_port, remote_inner, remote_outer, remote_port, fqdnStr, &err);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- return err;
- }
+ return err;
+}
void mDNSSendWakeupPacket(unsigned ifid, char *eth_addr, char *ip_addr, int iteration)
- {
- kern_return_t kr = KERN_SUCCESS;
- int retry = 0, err = 0;
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSSendWakeupPacket(getHelperPort(retry), ifid, eth_addr, ip_addr, iteration);
- MACHRETRYLOOP_END(kr, retry, err, fin);
+{
+ kern_return_t kr = KERN_SUCCESS;
+ int retry = 0, err = 0;
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSSendWakeupPacket(getHelperPort(retry), ifid, eth_addr, ip_addr, iteration);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
+fin:
+ (void) err;
+}
+
+void mDNSPacketFilterControl(uint32_t command, char * ifname, uint32_t count, pfArray_t portArray, pfArray_t protocolArray)
+{
+ kern_return_t kr = KERN_SUCCESS;
+ int retry = 0, err = 0;
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSPacketFilterControl(getHelperPort(retry), command, ifname, count, portArray, protocolArray);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
+fin:
+ (void) err;
+}
+
+int mDNSSendKeepalive(v6addr_t sadd, v6addr_t dadd, uint16_t lport, uint16_t rport, unsigned seq, unsigned ack, uint16_t win)
+{
+ kern_return_t kr = KERN_FAILURE;
+ int retry = 0, err = 0;
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSSendKeepalive(getHelperPort(retry), sadd, dadd, lport, rport, seq, ack, win);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- (void) err;
- }
+ return err;
+}
+
+
+int mDNSInterfaceAdvtIoctl(const char *ifname, int op)
+{
+ kern_return_t kr = KERN_FAILURE;
+ int retry = 0, err = 0;
+
+ MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
+ kr = proxy_mDNSInterfaceAdvtIoctl(getHelperPort(retry), ifname, op);
+ MACHRETRYLOOP_END(kr, retry, err, fin);
-void mDNSPacketFilterControl(uint32_t command, char * ifname, uint16_t servicePort, uint16_t protocol)
- {
- kern_return_t kr = KERN_SUCCESS;
- int retry = 0, err = 0;
- MACHRETRYLOOP_BEGIN(kr, retry, err, fin);
- kr = proxy_mDNSPacketFilterControl(getHelperPort(retry), command, ifname, servicePort, protocol);
- MACHRETRYLOOP_END(kr, retry, err, fin);
fin:
- (void) err;
- }
+ return err;
+}
projects / apple / mdnsresponder.git / blobdiff