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1 mike 1.1 /* 2 ============================================================================== 3 4 Open Management Infrastructure (OMI) 5 6 Copyright (c) Microsoft Corporation 7 8 Licensed under the Apache License, Version 2.0 (the "License"); you may not 9 use this file except in compliance with the License. You may obtain a copy 10 of the License at 11 12 http://www.apache.org/licenses/LICENSE-2.0 13 14 ** THIS CODE IS PROVIDED AS IS BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED 16 WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 17 MERCHANTABLITY OR NON-INFRINGEMENT. 18 19 See the Apache 2 License for the specific language governing permissions 20 and limitations under the License. 21 22 mike 1.1 ============================================================================== 23 */ 24 25 #include "addr.h" 26 #include <ctype.h> 27 #include <string.h> 28
29 krisbash 1.3 // #define ENABLE_TRACING 1 30
31 mike 1.1 /* Include network headers */
32 krisbash 1.3 #if defined CONFIG_OS_WINDOWS 33
34 mike 1.1 # include <winsock2.h>
35 krisbash 1.3 typedef unsigned long InAddr; 36 37 #else 38
39 mike 1.1 # include <unistd.h> 40 # include <errno.h> 41 # include <sys/socket.h> 42 # include <netinet/tcp.h> 43 # include <netinet/in.h> 44 # include <sys/time.h> 45 # include <sys/types.h> 46 # include <netdb.h> 47 # include <fcntl.h> 48 # include <arpa/inet.h>
49 krisbash 1.3 typedef in_addr_t InAddr;
50 mike 1.1 51 #endif 52 53 MI_Result Addr_Init(
54 krisbash 1.3 Addr* self,
55 mike 1.1 const char* host,
56 krisbash 1.3 unsigned short port, 57 MI_Boolean useSecondaryAddr)
58 mike 1.1 {
59 krisbash 1.3 #if defined CONFIG_OS_WINDOWS 60 61 /* disabling IPv6 OACR warnings - D3M bug 52 / 62 63 # ifdef _PREFAST_ 64 # pragma prefast (push) 65 # pragma prefast (disable: 24001) 66 # pragma prefast (disable: 24002) 67 # pragma prefast (disable: 38026) 68 # endif 69 struct sockaddr_in sockaddr = (struct sockaddr_in)self; 70 71 / Handle host name / 72 const struct hostent p = gethostbyname((char)host); 73 if (p == NULL) 74 return MI_RESULT_FAILED; 75 76 / no support for IPv6 on Windows */ 77 if (useSecondaryAddr) 78 return MI_RESULT_FAILED;
79 mike 1.1 80 /* Clear address */
81 krisbash 1.3 memset(self, 0, sizeof (Addr)); 82 83 /* set up values / 84 sockaddr->sin_family = p->h_addrtype; 85 self->is_ipv6 = MI_FALSE; 86 self->sock_addr_size = sizeof (struct sockaddr_in); 87 memcpy(&sockaddr->sin_addr, p->h_addr, p->h_length); 88 89 / Set the port */ 90 sockaddr->sin_port = htons(port); 91 self->port_high_endian = htons(port); 92 return MI_RESULT_OK;
93 mike 1.1
94 krisbash 1.3 # ifdef _PREFAST_ 95 # pragma prefast (pop) 96 # endif 97 98 #else /* defined CONFIG_OS_WINDOWS / 99 100 struct addrinfo hints; 101 struct addrinfo addr_info, rp; 102 int error_no; 103 104 / set hints and get the primary address / 105 memset(&hints, 0, sizeof (struct addrinfo)); 106 hints.ai_socktype = SOCK_STREAM; 107 hints.ai_family = AF_UNSPEC; / AF_UNSPEC means use preferred protocol */ 108 error_no = getaddrinfo(host, NULL, &hints, &addr_info); 109 if (error_no != 0) 110 return MI_RESULT_FAILED; 111 112 rp = addr_info; 113 if (useSecondaryAddr && NULL != addr_info->ai_next) 114 { 115 krisbash 1.3 // Advance to the next entry in the chain 116 rp = rp->ai_next; 117 } 118 else if (useSecondaryAddr)
119 mike 1.1 {
120 krisbash 1.3 // No secondary address exists. 121 return MI_RESULT_FAILED; 122 }
123 mike 1.1
124 krisbash 1.3 if (rp->ai_family == AF_INET6) 125 { 126 struct sockaddr_in6 * addr6 = (struct sockaddr_in6 )(rp->ai_addr); 127 // struct sockaddr_in6 addr6 = (struct sockaddr_in6*)(addr_info->ai_addr->sa_data - sizeof (unsigned short)); 128 addr6->sin6_port = htons(port);
129 mike 1.1 } 130 else 131 {
132 krisbash 1.3 struct sockaddr_in * addr4 = (struct sockaddr_in )(rp->ai_addr); 133 // struct sockaddr_in addr4 = (struct sockaddr_in*)(addr_info->ai_addr->sa_data - sizeof (unsigned short)); 134 addr4->sin_port = htons(port); 135 } 136 137 memset(self->u.padding, 0, sizeof self->u.padding); 138 memcpy(&self->u.sock_addr, rp->ai_addr, (size_t)rp->ai_addrlen);
139 mike 1.1
140 krisbash 1.3 /* Set the duplicate copies of family, port and socket type */ 141 self->sock_addr_size = rp->ai_addrlen; 142 self->port_high_endian = htons(port); 143 self->is_ipv6 = (rp->ai_family == AF_INET6);
144 mike 1.1
145 krisbash 1.3 #if defined ENABLE_TRACING 146 if (rp->ai_family == AF_INET6) 147 { 148 struct sockaddr_in6* addr6 = (struct sockaddr_in6)&self->u.sock_addr; 149 fprintf(stderr, "Addr_Init - IPv6 address: %X:%X:%X:%X:%X:%X:%X:%X, port: %u\n", 150 (unsigned int)ntohs((unsigned short)&addr6->sin6_addr), 151 (unsigned int)ntohs(((unsigned short)&addr6->sin6_addr + 1)), 152 (unsigned int)ntohs(((unsigned short)&addr6->sin6_addr + 2)), 153 (unsigned int)ntohs(((unsigned short)&addr6->sin6_addr + 3)), 154 (unsigned int)ntohs(((unsigned short)&addr6->sin6_addr + 4)), 155 (unsigned int)ntohs(((unsigned short)&addr6->sin6_addr + 5)), 156 (unsigned int)ntohs(((unsigned short)&addr6->sin6_addr + 6)), 157 (unsigned int)ntohs(((unsigned short*)&addr6->sin6_addr + 7)), 158 (unsigned int)ntohs(addr6->sin6_port));
159 mike 1.1 }
160 krisbash 1.3 else 161 { 162 struct sockaddr_in* addr4 = (struct sockaddr_in*)&self->u.sock_addr;
163 mike 1.1
164 krisbash 1.3 fprintf(stderr, "Addr_Init - IPv4 address: %u.%u.%u.%u, port: %u\n", 165 (unsigned int)((unsigned char)&addr4->sin_addr.s_addr + 0), 166 (unsigned int)((unsigned char)&addr4->sin_addr.s_addr + 1), 167 (unsigned int)((unsigned char)&addr4->sin_addr.s_addr + 2), 168 (unsigned int)((unsigned char)&addr4->sin_addr.s_addr + 3), 169 (unsigned int)ntohs(addr4->sin_port)); 170 } 171 #endif /* defined(ENABLE_TRACING) */ 172 freeaddrinfo(addr_info);
173 mike 1.1 return MI_RESULT_OK;
174 krisbash 1.3 175 #endif /* defined CONFIG_OS_WINDOWS ... else */
176 mike 1.1 } 177 178 void Addr_InitAny(
179 krisbash 1.3 Addr* self,
180 mike 1.1 unsigned short port) 181 {
182 krisbash 1.3 #ifdef _PREFAST_ 183 # pragma prefast (push) 184 # pragma prefast (disable: 24002) 185 #endif 186 struct sockaddr_in* addr4; 187 MI_Uint32 v4addr; 188 189 memset((char*)self, 0, sizeof (Addr));
190 mike 1.1
191 krisbash 1.3 /* set the fields in the header / 192 self->sock_addr_size = (MI_Uint16)sizeof (struct sockaddr_in); 193 self->port_high_endian = htons(port); 194 self->is_ipv6 = MI_FALSE; 195 196 / set the fields in the bind address structure / 197 addr4 = (struct sockaddr_in)&self->u.sock_addr; 198 addr4->sin_family = AF_INET; 199 addr4->sin_port = htons(port); 200 v4addr = htonl(INADDR_ANY); 201 memcpy(&addr4->sin_addr.s_addr, &v4addr, sizeof (MI_Uint32));
202 mike 1.1 }
203 krisbash 1.3 204 #ifdef _PREFAST_ 205 #pragma prefast (pop) 206 #endif

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