source: UsbWattMeter/trunk/curl-7.47.1/lib/curl_sspi.c@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
  • Property svn:mime-type set to text/x-csrc
File size: 8.0 KB
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1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22
23#include "curl_setup.h"
24
25#ifdef USE_WINDOWS_SSPI
26
27#include <curl/curl.h>
28#include "curl_sspi.h"
29#include "curl_multibyte.h"
30#include "warnless.h"
31
32/* The last #include files should be: */
33#include "curl_memory.h"
34#include "memdebug.h"
35
36/* We use our own typedef here since some headers might lack these */
37typedef PSecurityFunctionTable (APIENTRY *INITSECURITYINTERFACE_FN)(VOID);
38
39/* See definition of SECURITY_ENTRYPOINT in sspi.h */
40#ifdef UNICODE
41# ifdef _WIN32_WCE
42# define SECURITYENTRYPOINT L"InitSecurityInterfaceW"
43# else
44# define SECURITYENTRYPOINT "InitSecurityInterfaceW"
45# endif
46#else
47# define SECURITYENTRYPOINT "InitSecurityInterfaceA"
48#endif
49
50/* Handle of security.dll or secur32.dll, depending on Windows version */
51HMODULE s_hSecDll = NULL;
52
53/* Pointer to SSPI dispatch table */
54PSecurityFunctionTable s_pSecFn = NULL;
55
56/*
57 * Curl_sspi_global_init()
58 *
59 * This is used to load the Security Service Provider Interface (SSPI)
60 * dynamic link library portably across all Windows versions, without
61 * the need to directly link libcurl, nor the application using it, at
62 * build time.
63 *
64 * Once this function has been executed, Windows SSPI functions can be
65 * called through the Security Service Provider Interface dispatch table.
66 */
67CURLcode Curl_sspi_global_init(void)
68{
69 bool securityDll = FALSE;
70 INITSECURITYINTERFACE_FN pInitSecurityInterface;
71
72 /* If security interface is not yet initialized try to do this */
73 if(!s_hSecDll) {
74 /* Security Service Provider Interface (SSPI) functions are located in
75 * security.dll on WinNT 4.0 and in secur32.dll on Win9x. Win2K and XP
76 * have both these DLLs (security.dll forwards calls to secur32.dll) */
77 DWORD majorVersion = 4;
78 DWORD platformId = VER_PLATFORM_WIN32_NT;
79
80#if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_WIN2K) || \
81 (_WIN32_WINNT < _WIN32_WINNT_WIN2K)
82 OSVERSIONINFO osver;
83
84 memset(&osver, 0, sizeof(osver));
85 osver.dwOSVersionInfoSize = sizeof(osver);
86
87 /* Find out Windows version */
88 if(!GetVersionEx(&osver))
89 return CURLE_FAILED_INIT;
90
91 /* Verify the major version number == 4 and platform id == WIN_NT */
92 if(osver.dwMajorVersion == majorVersion &&
93 osver.dwPlatformId == platformId)
94 securityDll = TRUE;
95#else
96 ULONGLONG cm;
97 OSVERSIONINFOEX osver;
98
99 memset(&osver, 0, sizeof(osver));
100 osver.dwOSVersionInfoSize = sizeof(osver);
101 osver.dwMajorVersion = majorVersion;
102 osver.dwPlatformId = platformId;
103
104 cm = VerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL);
105 cm = VerSetConditionMask(cm, VER_MINORVERSION, VER_GREATER_EQUAL);
106 cm = VerSetConditionMask(cm, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
107 cm = VerSetConditionMask(cm, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
108 cm = VerSetConditionMask(cm, VER_PLATFORMID, VER_EQUAL);
109
110 /* Verify the major version number == 4 and platform id == WIN_NT */
111 if(VerifyVersionInfo(&osver, (VER_MAJORVERSION | VER_MINORVERSION |
112 VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR |
113 VER_PLATFORMID),
114 cm))
115 securityDll = TRUE;
116#endif
117
118 /* Load SSPI dll into the address space of the calling process */
119 if(securityDll)
120 s_hSecDll = LoadLibrary(TEXT("security.dll"));
121 else
122 s_hSecDll = LoadLibrary(TEXT("secur32.dll"));
123 if(!s_hSecDll)
124 return CURLE_FAILED_INIT;
125
126 /* Get address of the InitSecurityInterfaceA function from the SSPI dll */
127 pInitSecurityInterface = (INITSECURITYINTERFACE_FN)
128 GetProcAddress(s_hSecDll, SECURITYENTRYPOINT);
129 if(!pInitSecurityInterface)
130 return CURLE_FAILED_INIT;
131
132 /* Get pointer to Security Service Provider Interface dispatch table */
133 s_pSecFn = pInitSecurityInterface();
134 if(!s_pSecFn)
135 return CURLE_FAILED_INIT;
136 }
137
138 return CURLE_OK;
139}
140
141/*
142 * Curl_sspi_global_cleanup()
143 *
144 * This deinitializes the Security Service Provider Interface from libcurl.
145 */
146
147void Curl_sspi_global_cleanup(void)
148{
149 if(s_hSecDll) {
150 FreeLibrary(s_hSecDll);
151 s_hSecDll = NULL;
152 s_pSecFn = NULL;
153 }
154}
155
156/*
157 * Curl_create_sspi_identity()
158 *
159 * This is used to populate a SSPI identity structure based on the supplied
160 * username and password.
161 *
162 * Parameters:
163 *
164 * userp [in] - The user name in the format User or Domain\User.
165 * passdwp [in] - The user's password.
166 * identity [in/out] - The identity structure.
167 *
168 * Returns CURLE_OK on success.
169 */
170CURLcode Curl_create_sspi_identity(const char *userp, const char *passwdp,
171 SEC_WINNT_AUTH_IDENTITY *identity)
172{
173 xcharp_u useranddomain;
174 xcharp_u user, dup_user;
175 xcharp_u domain, dup_domain;
176 xcharp_u passwd, dup_passwd;
177 size_t domlen = 0;
178
179 domain.const_tchar_ptr = TEXT("");
180
181 /* Initialize the identity */
182 memset(identity, 0, sizeof(*identity));
183
184 useranddomain.tchar_ptr = Curl_convert_UTF8_to_tchar((char *)userp);
185 if(!useranddomain.tchar_ptr)
186 return CURLE_OUT_OF_MEMORY;
187
188 user.const_tchar_ptr = _tcschr(useranddomain.const_tchar_ptr, TEXT('\\'));
189 if(!user.const_tchar_ptr)
190 user.const_tchar_ptr = _tcschr(useranddomain.const_tchar_ptr, TEXT('/'));
191
192 if(user.tchar_ptr) {
193 domain.tchar_ptr = useranddomain.tchar_ptr;
194 domlen = user.tchar_ptr - useranddomain.tchar_ptr;
195 user.tchar_ptr++;
196 }
197 else {
198 user.tchar_ptr = useranddomain.tchar_ptr;
199 domain.const_tchar_ptr = TEXT("");
200 domlen = 0;
201 }
202
203 /* Setup the identity's user and length */
204 dup_user.tchar_ptr = _tcsdup(user.tchar_ptr);
205 if(!dup_user.tchar_ptr) {
206 Curl_unicodefree(useranddomain.tchar_ptr);
207 return CURLE_OUT_OF_MEMORY;
208 }
209 identity->User = dup_user.tbyte_ptr;
210 identity->UserLength = curlx_uztoul(_tcslen(dup_user.tchar_ptr));
211 dup_user.tchar_ptr = NULL;
212
213 /* Setup the identity's domain and length */
214 dup_domain.tchar_ptr = malloc(sizeof(TCHAR) * (domlen + 1));
215 if(!dup_domain.tchar_ptr) {
216 Curl_unicodefree(useranddomain.tchar_ptr);
217 return CURLE_OUT_OF_MEMORY;
218 }
219 _tcsncpy(dup_domain.tchar_ptr, domain.tchar_ptr, domlen);
220 *(dup_domain.tchar_ptr + domlen) = TEXT('\0');
221 identity->Domain = dup_domain.tbyte_ptr;
222 identity->DomainLength = curlx_uztoul(domlen);
223 dup_domain.tchar_ptr = NULL;
224
225 Curl_unicodefree(useranddomain.tchar_ptr);
226
227 /* Setup the identity's password and length */
228 passwd.tchar_ptr = Curl_convert_UTF8_to_tchar((char *)passwdp);
229 if(!passwd.tchar_ptr)
230 return CURLE_OUT_OF_MEMORY;
231 dup_passwd.tchar_ptr = _tcsdup(passwd.tchar_ptr);
232 if(!dup_passwd.tchar_ptr) {
233 Curl_unicodefree(passwd.tchar_ptr);
234 return CURLE_OUT_OF_MEMORY;
235 }
236 identity->Password = dup_passwd.tbyte_ptr;
237 identity->PasswordLength = curlx_uztoul(_tcslen(dup_passwd.tchar_ptr));
238 dup_passwd.tchar_ptr = NULL;
239
240 Curl_unicodefree(passwd.tchar_ptr);
241
242 /* Setup the identity's flags */
243 identity->Flags = SECFLAG_WINNT_AUTH_IDENTITY;
244
245 return CURLE_OK;
246}
247
248void Curl_sspi_free_identity(SEC_WINNT_AUTH_IDENTITY *identity)
249{
250 if(identity) {
251 Curl_safefree(identity->User);
252 Curl_safefree(identity->Password);
253 Curl_safefree(identity->Domain);
254 }
255}
256
257#endif /* USE_WINDOWS_SSPI */
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