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nsprpub/pr/src/cplus/rcnetdb.cpp@6474c204b198 (annotated)

nsprpub/pr/src/cplus/rcnetdb.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 /*
michael@0 7 ** Base class implementation for network access functions (ref: prnetdb.h)
michael@0 8 */
michael@0 9
michael@0 10 #include "rclock.h"
michael@0 11 #include "rcnetdb.h"
michael@0 12
michael@0 13 #include <prmem.h>
michael@0 14 #include <prlog.h>
michael@0 15 #include <string.h>
michael@0 16
michael@0 17 RCNetAddr::RCNetAddr(const RCNetAddr& his): RCBase()
michael@0 18 { address = his.address; }
michael@0 19
michael@0 20 RCNetAddr::RCNetAddr(const RCNetAddr& his, PRUint16 port): RCBase()
michael@0 21 {
michael@0 22 address = his.address;
michael@0 23 switch (address.raw.family)
michael@0 24 {
michael@0 25 case PR_AF_INET: address.inet.port = port; break;
michael@0 26 case PR_AF_INET6: address.ipv6.port = port; break;
michael@0 27 default: break;
michael@0 28 }
michael@0 29 } /* RCNetAddr::RCNetAddr */
michael@0 30
michael@0 31 RCNetAddr::RCNetAddr(RCNetAddr::HostValue host, PRUint16 port): RCBase()
michael@0 32 {
michael@0 33 PRNetAddrValue how;
michael@0 34 switch (host)
michael@0 35 {
michael@0 36 case RCNetAddr::any: how = PR_IpAddrAny; break;
michael@0 37 case RCNetAddr::loopback: how = PR_IpAddrLoopback; break;
michael@0 38 default: PR_ASSERT(!"This can't happen -- and did!");
michael@0 39 }
michael@0 40 (void)PR_InitializeNetAddr(how, port, &address);
michael@0 41 } /* RCNetAddr::RCNetAddr */
michael@0 42
michael@0 43 RCNetAddr::~RCNetAddr() { }
michael@0 44
michael@0 45 void RCNetAddr::operator=(const RCNetAddr& his) { address = his.address; }
michael@0 46
michael@0 47 PRStatus RCNetAddr::FromString(const char* string)
michael@0 48 { return PR_StringToNetAddr(string, &address); }
michael@0 49
michael@0 50 void RCNetAddr::operator=(const PRNetAddr* addr) { address = *addr; }
michael@0 51
michael@0 52 PRBool RCNetAddr::operator==(const RCNetAddr& his) const
michael@0 53 {
michael@0 54 PRBool rv = EqualHost(his);
michael@0 55 if (rv)
michael@0 56 {
michael@0 57 switch (address.raw.family)
michael@0 58 {
michael@0 59 case PR_AF_INET:
michael@0 60 rv = (address.inet.port == his.address.inet.port); break;
michael@0 61 case PR_AF_INET6:
michael@0 62 rv = (address.ipv6.port == his.address.ipv6.port); break;
michael@0 63 case PR_AF_LOCAL:
michael@0 64 default: break;
michael@0 65 }
michael@0 66 }
michael@0 67 return rv;
michael@0 68 } /* RCNetAddr::operator== */
michael@0 69
michael@0 70 PRBool RCNetAddr::EqualHost(const RCNetAddr& his) const
michael@0 71 {
michael@0 72 PRBool rv;
michael@0 73 switch (address.raw.family)
michael@0 74 {
michael@0 75 case PR_AF_INET:
michael@0 76 rv = (address.inet.ip == his.address.inet.ip); break;
michael@0 77 case PR_AF_INET6:
michael@0 78 rv = (0 == memcmp(
michael@0 79 &address.ipv6.ip, &his.address.ipv6.ip,
michael@0 80 sizeof(address.ipv6.ip)));
michael@0 81 break;
michael@0 82 #if defined(XP_UNIX)
michael@0 83 case PR_AF_LOCAL:
michael@0 84 rv = (0 == strncmp(
michael@0 85 address.local.path, his.address.local.path,
michael@0 86 sizeof(address.local.path)));
michael@0 87 break;
michael@0 88 #endif
michael@0 89 default: break;
michael@0 90 }
michael@0 91 return rv;
michael@0 92 } /* RCNetAddr::operator== */
michael@0 93
michael@0 94 PRStatus RCNetAddr::ToString(char *string, PRSize size) const
michael@0 95 { return PR_NetAddrToString(&address, string, size); }
michael@0 96
michael@0 97 /*
michael@0 98 ** RCHostLookup
michael@0 99 */
michael@0 100
michael@0 101 RCHostLookup::~RCHostLookup()
michael@0 102 {
michael@0 103 if (NULL != address) delete [] address;
michael@0 104 } /* RCHostLookup::~RCHostLookup */
michael@0 105
michael@0 106 RCHostLookup::RCHostLookup(): RCBase()
michael@0 107 {
michael@0 108 address = NULL;
michael@0 109 max_index = 0;
michael@0 110 } /* RCHostLookup::RCHostLookup */
michael@0 111
michael@0 112 PRStatus RCHostLookup::ByName(const char* name)
michael@0 113 {
michael@0 114 PRStatus rv;
michael@0 115 PRNetAddr addr;
michael@0 116 PRHostEnt hostentry;
michael@0 117 PRIntn index = 0, max;
michael@0 118 RCNetAddr* vector = NULL;
michael@0 119 RCNetAddr* old_vector = NULL;
michael@0 120 void* buffer = PR_Malloc(PR_NETDB_BUF_SIZE);
michael@0 121 if (NULL == buffer) return PR_FAILURE;
michael@0 122 rv = PR_GetHostByName(name, (char*)buffer, PR_NETDB_BUF_SIZE, &hostentry);
michael@0 123 if (PR_SUCCESS == rv)
michael@0 124 {
michael@0 125 for (max = 0, index = 0;; ++max)
michael@0 126 {
michael@0 127 index = PR_EnumerateHostEnt(index, &hostentry, 0, &addr);
michael@0 128 if (0 == index) break;
michael@0 129 }
michael@0 130 if (max > 0)
michael@0 131 {
michael@0 132 vector = new RCNetAddr[max];
michael@0 133 while (--max > 0)
michael@0 134 {
michael@0 135 index = PR_EnumerateHostEnt(index, &hostentry, 0, &addr);
michael@0 136 if (0 == index) break;
michael@0 137 vector[index] = &addr;
michael@0 138 }
michael@0 139 {
michael@0 140 RCEnter entry(&ml);
michael@0 141 old_vector = address;
michael@0 142 address = vector;
michael@0 143 max_index = max;
michael@0 144 }
michael@0 145 if (NULL != old_vector) delete [] old_vector;
michael@0 146 }
michael@0 147 }
michael@0 148 if (NULL != buffer) PR_DELETE(buffer);
michael@0 149 return PR_SUCCESS;
michael@0 150 } /* RCHostLookup::ByName */
michael@0 151
michael@0 152 PRStatus RCHostLookup::ByAddress(const RCNetAddr& host_addr)
michael@0 153 {
michael@0 154 PRStatus rv;
michael@0 155 PRNetAddr addr;
michael@0 156 PRHostEnt hostentry;
michael@0 157 PRIntn index = 0, max;
michael@0 158 RCNetAddr* vector = NULL;
michael@0 159 RCNetAddr* old_vector = NULL;
michael@0 160 char *buffer = (char*)PR_Malloc(PR_NETDB_BUF_SIZE);
michael@0 161 if (NULL == buffer) return PR_FAILURE;
michael@0 162 rv = PR_GetHostByAddr(host_addr, buffer, PR_NETDB_BUF_SIZE, &hostentry);
michael@0 163 if (PR_SUCCESS == rv)
michael@0 164 {
michael@0 165 for (max = 0, index = 0;; ++max)
michael@0 166 {
michael@0 167 index = PR_EnumerateHostEnt(index, &hostentry, 0, &addr);
michael@0 168 if (0 == index) break;
michael@0 169 }
michael@0 170 if (max > 0)
michael@0 171 {
michael@0 172 vector = new RCNetAddr[max];
michael@0 173 while (--max > 0)
michael@0 174 {
michael@0 175 index = PR_EnumerateHostEnt(index, &hostentry, 0, &addr);
michael@0 176 if (0 == index) break;
michael@0 177 vector[index] = &addr;
michael@0 178 }
michael@0 179 {
michael@0 180 RCEnter entry(&ml);
michael@0 181 old_vector = address;
michael@0 182 address = vector;
michael@0 183 max_index = max;
michael@0 184 }
michael@0 185 if (NULL != old_vector) delete [] old_vector;
michael@0 186 }
michael@0 187 }
michael@0 188 if (NULL != buffer) PR_DELETE(buffer);
michael@0 189 return PR_SUCCESS;
michael@0 190 } /* RCHostLookup::ByAddress */
michael@0 191
michael@0 192 const RCNetAddr* RCHostLookup::operator[](PRUintn which)
michael@0 193 {
michael@0 194 RCNetAddr* addr = NULL;
michael@0 195 if (which < max_index)
michael@0 196 addr = &address[which];
michael@0 197 return addr;
michael@0 198 } /* RCHostLookup::operator[] */
michael@0 199
michael@0 200 /* RCNetdb.cpp */

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