comparison: libpurple/protocols/bonjour/dns_sd_proxy.c
libpurple/protocols/bonjour/dns_sd_proxy.c
- changeset 42670
- a3b862b8dcde
- parent 42669
- 6d41b29637ef
- child 42671
- 68cc8544b438
equal
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| 42669:6d41b29637ef | 42670:a3b862b8dcde |
|---|---|
| 1 /* | |
| 2 * Purple is the legal property of its developers, whose names are too numerous | |
| 3 * to list here. Please refer to the COPYRIGHT file distributed with this | |
| 4 * source distribution. | |
| 5 * | |
| 6 * This program is free software; you can redistribute it and/or modify | |
| 7 * it under the terms of the GNU General Public License as published by | |
| 8 * the Free Software Foundation; either version 2 of the License, or | |
| 9 * (at your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, | |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 * GNU Library General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
| 17 * along with this program; if not, write to the Free Software | |
| 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA. | |
| 19 */ | |
| 20 | |
| 21 #include <gmodule.h> | |
| 22 | |
| 23 #include <purple.h> | |
| 24 | |
| 25 #include "dns_sd_proxy.h" | |
| 26 | |
| 27 static DNSServiceErrorType (DNSSD_API* _DNSServiceAddRecord)(DNSServiceRef sdRef, DNSRecordRef *RecordRef, DNSServiceFlags flags, | |
| 28 uint16_t rrtype, uint16_t rdlen, const void *rdata, uint32_t ttl); | |
| 29 static DNSServiceErrorType (DNSSD_API* _DNSServiceBrowse)(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, | |
| 30 const char *regtype, const char *domain, DNSServiceBrowseReply callBack, void *context); | |
| 31 static int (DNSSD_API* _DNSServiceConstructFullName)(char *fullName, const char *service, const char *regtype, const char *domain); | |
| 32 static DNSServiceErrorType (DNSSD_API* _DNSServiceGetAddrInfo)(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, | |
| 33 DNSServiceProtocol protocol, const char *hostname, DNSServiceGetAddrInfoReply callBack, void *context); | |
| 34 static DNSServiceErrorType (DNSSD_API* _DNSServiceProcessResult)(DNSServiceRef sdRef); | |
| 35 static DNSServiceErrorType (DNSSD_API* _DNSServiceQueryRecord)(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, | |
| 36 const char *fullname, uint16_t rrtype, uint16_t rrclass, DNSServiceQueryRecordReply callBack, void *context); | |
| 37 static void (DNSSD_API* _DNSServiceRefDeallocate)(DNSServiceRef sdRef); | |
| 38 static int (DNSSD_API* _DNSServiceRefSockFD)(DNSServiceRef sdRef); | |
| 39 static DNSServiceErrorType (DNSSD_API* _DNSServiceRegister)(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, | |
| 40 const char *name, const char *regtype, const char *domain, const char *host, uint16_t port, uint16_t txtLen, | |
| 41 const void *txtRecord, DNSServiceRegisterReply callBack, void *context); | |
| 42 static DNSServiceErrorType (DNSSD_API* _DNSServiceResolve)(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, const char *name, | |
| 43 const char *regtype, const char *domain, DNSServiceResolveReply callBack, void *context); | |
| 44 static DNSServiceErrorType (DNSSD_API* _DNSServiceRemoveRecord)(DNSServiceRef sdRef, DNSRecordRef RecordRef, DNSServiceFlags flags); | |
| 45 static DNSServiceErrorType (DNSSD_API* _DNSServiceUpdateRecord)(DNSServiceRef sdRef, DNSRecordRef RecordRef, DNSServiceFlags flags, | |
| 46 uint16_t rdlen, const void *rdata, uint32_t ttl); | |
| 47 static void (DNSSD_API* _TXTRecordCreate)(TXTRecordRef *txtRecord, uint16_t bufferLen, void *buffer); | |
| 48 static void (DNSSD_API* _TXTRecordDeallocate)(TXTRecordRef *txtRecord); | |
| 49 static const void * (DNSSD_API* _TXTRecordGetBytesPtr)(const TXTRecordRef *txtRecord); | |
| 50 static int16_t (DNSSD_API* _TXTRecordGetLength)(const TXTRecordRef *txtRecord); | |
| 51 static const void * (DNSSD_API* _TXTRecordGetValuePtr)(uint16_t txtLen, const void *txtRecord, const char *key, uint8_t *valueLen); | |
| 52 static DNSServiceErrorType (DNSSD_API* _TXTRecordSetValue)(TXTRecordRef *txtRecord, const char *key, uint8_t valueSize, const void *value); | |
| 53 | |
| 54 | |
| 55 gboolean dns_sd_available(void) { | |
| 56 static gboolean initialized = FALSE; | |
| 57 static gboolean loaded = FALSE; | |
| 58 | |
| 59 if (!initialized) { | |
| 60 GModule *dnssd = NULL; | |
| 61 initialized = TRUE; | |
| 62 if((dnssd = g_module_open("dnssd.dll", 0)) != NULL && | |
| 63 g_module_symbol(dnssd, "DNSServiceAddRecord", (gpointer *)&_DNSServiceAddRecord) && | |
| 64 g_module_symbol(dnssd, "DNSServiceBrowse", (gpointer *)&_DNSServiceBrowse) && | |
| 65 g_module_symbol(dnssd, "DNSServiceConstructFullName", (gpointer *)&_DNSServiceConstructFullName) && | |
| 66 g_module_symbol(dnssd, "DNSServiceGetAddrInfo", (gpointer *)&_DNSServiceGetAddrInfo) && | |
| 67 g_module_symbol(dnssd, "DNSServiceProcessResult", (gpointer *)&_DNSServiceProcessResult) && | |
| 68 g_module_symbol(dnssd, "DNSServiceQueryRecord", (gpointer *)&_DNSServiceQueryRecord) && | |
| 69 g_module_symbol(dnssd, "DNSServiceRefDeallocate", (gpointer *)&_DNSServiceRefDeallocate) && | |
| 70 g_module_symbol(dnssd, "DNSServiceRefSockFD", (gpointer *)&_DNSServiceRefSockFD) && | |
| 71 g_module_symbol(dnssd, "DNSServiceRegister", (gpointer *)&_DNSServiceRegister) && | |
| 72 g_module_symbol(dnssd, "DNSServiceResolve", (gpointer *)&_DNSServiceResolve) && | |
| 73 g_module_symbol(dnssd, "DNSServiceRemoveRecord", (gpointer *)&_DNSServiceRemoveRecord) && | |
| 74 g_module_symbol(dnssd, "DNSServiceUpdateRecord", (gpointer *)&_DNSServiceUpdateRecord) && | |
| 75 g_module_symbol(dnssd, "TXTRecordCreate", (gpointer *)&_TXTRecordCreate) && | |
| 76 g_module_symbol(dnssd, "TXTRecordDeallocate", (gpointer *)&_TXTRecordDeallocate) && | |
| 77 g_module_symbol(dnssd, "TXTRecordGetBytesPtr", (gpointer *)&_TXTRecordGetBytesPtr) && | |
| 78 g_module_symbol(dnssd, "TXTRecordGetLength", (gpointer *)&_TXTRecordGetLength) && | |
| 79 g_module_symbol(dnssd, "TXTRecordGetValuePtr", (gpointer *)&_TXTRecordGetValuePtr) && | |
| 80 g_module_symbol(dnssd, "TXTRecordSetValue", (gpointer *)&_TXTRecordSetValue)) | |
| 81 { | |
| 82 /* TODO: The dnssd module leaks, but there's not a good | |
| 83 * place to put the cleanup yet, as there's quite a bit | |
| 84 * of abstraction between mDNS API here to the actual | |
| 85 * plugin unload. */ | |
| 86 loaded = TRUE; | |
| 87 } else { | |
| 88 g_clear_pointer(&dnssd, g_module_close); | |
| 89 } | |
| 90 } | |
| 91 return loaded; | |
| 92 } | |
| 93 | |
| 94 | |
| 95 DNSServiceErrorType _wpurple_DNSServiceAddRecord(DNSServiceRef sdRef, DNSRecordRef *RecordRef, DNSServiceFlags flags, | |
| 96 uint16_t rrtype, uint16_t rdlen, const void *rdata, uint32_t ttl) { | |
| 97 g_return_val_if_fail(_DNSServiceAddRecord != NULL, kDNSServiceErr_Unknown); | |
| 98 return (_DNSServiceAddRecord)(sdRef, RecordRef, flags, rrtype, rdlen, rdata, ttl); | |
| 99 } | |
| 100 | |
| 101 DNSServiceErrorType _wpurple_DNSServiceBrowse(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, | |
| 102 const char *regtype, const char *domain, DNSServiceBrowseReply callBack, void *context) { | |
| 103 g_return_val_if_fail(_DNSServiceBrowse != NULL, kDNSServiceErr_Unknown); | |
| 104 return (_DNSServiceBrowse)(sdRef, flags, interfaceIndex, regtype, domain, callBack, context); | |
| 105 } | |
| 106 | |
| 107 int _wpurple_DNSServiceConstructFullName(char *fullName, const char *service, const char *regtype, const char *domain) { | |
| 108 g_return_val_if_fail(_DNSServiceConstructFullName != NULL, 0); | |
| 109 return (_DNSServiceConstructFullName)(fullName, service, regtype, domain); | |
| 110 } | |
| 111 | |
| 112 DNSServiceErrorType _wpurple_DNSServiceGetAddrInfo(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, | |
| 113 DNSServiceProtocol protocol, const char *hostname, DNSServiceGetAddrInfoReply callBack, void *context) { | |
| 114 g_return_val_if_fail(_DNSServiceGetAddrInfo != NULL, 0); | |
| 115 return (_DNSServiceGetAddrInfo)(sdRef, flags, interfaceIndex, protocol, hostname, callBack, context); | |
| 116 } | |
| 117 | |
| 118 DNSServiceErrorType _wpurple_DNSServiceProcessResult(DNSServiceRef sdRef) { | |
| 119 g_return_val_if_fail(_DNSServiceProcessResult != NULL, kDNSServiceErr_Unknown); | |
| 120 return (_DNSServiceProcessResult)(sdRef); | |
| 121 } | |
| 122 | |
| 123 | |
| 124 DNSServiceErrorType _wpurple_DNSServiceQueryRecord(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, | |
| 125 const char *fullname, uint16_t rrtype, uint16_t rrclass, DNSServiceQueryRecordReply callBack, void *context) { | |
| 126 g_return_val_if_fail(_DNSServiceQueryRecord != NULL, kDNSServiceErr_Unknown); | |
| 127 return (_DNSServiceQueryRecord)(sdRef, flags, interfaceIndex, fullname, rrtype, rrclass, callBack, context); | |
| 128 } | |
| 129 | |
| 130 void _wpurple_DNSServiceRefDeallocate(DNSServiceRef sdRef) { | |
| 131 g_return_if_fail(_DNSServiceRefDeallocate != NULL); | |
| 132 (_DNSServiceRefDeallocate)(sdRef); | |
| 133 } | |
| 134 | |
| 135 int _wpurple_DNSServiceRefSockFD(DNSServiceRef sdRef) { | |
| 136 g_return_val_if_fail(_DNSServiceRefSockFD != NULL, -1); | |
| 137 return (_DNSServiceRefSockFD)(sdRef); | |
| 138 } | |
| 139 | |
| 140 DNSServiceErrorType _wpurple_DNSServiceRegister(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, | |
| 141 const char *name, const char *regtype, const char *domain, const char *host, uint16_t port, uint16_t txtLen, | |
| 142 const void *txtRecord, DNSServiceRegisterReply callBack, void *context) { | |
| 143 g_return_val_if_fail(_DNSServiceRegister != NULL, kDNSServiceErr_Unknown); | |
| 144 return (_DNSServiceRegister)(sdRef, flags, interfaceIndex, name, regtype, domain, host, port, txtLen, txtRecord, callBack, context); | |
| 145 } | |
| 146 | |
| 147 DNSServiceErrorType _wpurple_DNSServiceResolve(DNSServiceRef *sdRef, DNSServiceFlags flags, uint32_t interfaceIndex, const char *name, | |
| 148 const char *regtype, const char *domain, DNSServiceResolveReply callBack, void *context) { | |
| 149 g_return_val_if_fail(_DNSServiceResolve != NULL, kDNSServiceErr_Unknown); | |
| 150 return (_DNSServiceResolve)(sdRef, flags, interfaceIndex, name, regtype, domain, callBack, context); | |
| 151 } | |
| 152 | |
| 153 DNSServiceErrorType _wpurple_DNSServiceRemoveRecord(DNSServiceRef sdRef, DNSRecordRef RecordRef, DNSServiceFlags flags) { | |
| 154 g_return_val_if_fail(_DNSServiceRemoveRecord != NULL, kDNSServiceErr_Unknown); | |
| 155 return (_DNSServiceRemoveRecord)(sdRef, RecordRef, flags); | |
| 156 } | |
| 157 | |
| 158 DNSServiceErrorType _wpurple_DNSServiceUpdateRecord(DNSServiceRef sdRef, DNSRecordRef RecordRef, DNSServiceFlags flags, | |
| 159 uint16_t rdlen, const void *rdata, uint32_t ttl) { | |
| 160 g_return_val_if_fail(_DNSServiceUpdateRecord != NULL, kDNSServiceErr_Unknown); | |
| 161 return (_DNSServiceUpdateRecord)(sdRef, RecordRef, flags, rdlen, rdata, ttl); | |
| 162 } | |
| 163 | |
| 164 void _wpurple_TXTRecordCreate(TXTRecordRef *txtRecord, uint16_t bufferLen, void *buffer) { | |
| 165 g_return_if_fail(_TXTRecordCreate != NULL); | |
| 166 (_TXTRecordCreate)(txtRecord, bufferLen, buffer); | |
| 167 } | |
| 168 | |
| 169 void _wpurple_TXTRecordDeallocate(TXTRecordRef *txtRecord) { | |
| 170 g_return_if_fail(_TXTRecordDeallocate != NULL); | |
| 171 (_TXTRecordDeallocate)(txtRecord); | |
| 172 } | |
| 173 | |
| 174 const void * _wpurple_TXTRecordGetBytesPtr(const TXTRecordRef *txtRecord) { | |
| 175 g_return_val_if_fail(_TXTRecordGetBytesPtr != NULL, NULL); | |
| 176 return (_TXTRecordGetBytesPtr)(txtRecord); | |
| 177 } | |
| 178 | |
| 179 uint16_t _wpurple_TXTRecordGetLength(const TXTRecordRef *txtRecord) { | |
| 180 g_return_val_if_fail(_TXTRecordGetLength != NULL, 0); | |
| 181 return (_TXTRecordGetLength)(txtRecord); | |
| 182 } | |
| 183 | |
| 184 const void * _wpurple_TXTRecordGetValuePtr(uint16_t txtLen, const void *txtRecord, const char *key, uint8_t *valueLen) { | |
| 185 g_return_val_if_fail(_TXTRecordGetValuePtr != NULL, NULL); | |
| 186 return (_TXTRecordGetValuePtr)(txtLen, txtRecord, key, valueLen); | |
| 187 } | |
| 188 | |
| 189 DNSServiceErrorType _wpurple_TXTRecordSetValue(TXTRecordRef *txtRecord, const char *key, uint8_t valueSize, const void *value) { | |
| 190 g_return_val_if_fail(_TXTRecordSetValue != NULL, kDNSServiceErr_Unknown); | |
| 191 return (_TXTRecordSetValue)(txtRecord, key, valueSize, value); | |
| 192 } | |
| 193 |
