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1 /* | 1 /* |
2 * libjingle | 2 * libjingle |
3 * Copyright 2004--2005, Google Inc. | 3 * Copyright 2004--2005, Google Inc. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are met: | 6 * modification, are permitted provided that the following conditions are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright notice, | 8 * 1. Redistributions of source code must retain the above copyright notice, |
9 * this list of conditions and the following disclaimer. | 9 * this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | 10 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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59 case AF_INET6: { | 59 case AF_INET6: { |
60 return inet_ntop_v6(src, dst, size); | 60 return inet_ntop_v6(src, dst, size); |
61 } | 61 } |
62 } | 62 } |
63 return NULL; | 63 return NULL; |
64 } | 64 } |
65 | 65 |
66 // As above, but for inet_pton. Wraps inet_addr for v4, and implements inet_pton | 66 // As above, but for inet_pton. Wraps inet_addr for v4, and implements inet_pton |
67 // for v6. Slightly more permissive than the RFC specified inet_pton, as it uses | 67 // for v6. Slightly more permissive than the RFC specified inet_pton, as it uses |
68 // windows' inet_addr which permits octal and hexadecimal values in v4 | 68 // windows' inet_addr which permits octal and hexadecimal values in v4 |
69 // addresses, while inet_pton only allows decimal. | 69 // addresses, while inet_pton only allows decimal. |
Sergey Ulanov
2012/02/29 05:30:31
nit: update this comment.
Ronghua Wu (Left Chromium)
2012/03/01 00:50:13
Done.
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70 // Note that our inet_ntop will output normal 'dotted' v4 addresses only. | 70 // Note that our inet_ntop will output normal 'dotted' v4 addresses only. |
71 int win32_inet_pton(int af, const char* src, void* dst) { | 71 int win32_inet_pton(int af, const char* src, void* dst) { |
72 if (!src || !dst) { | 72 if (!src || !dst) { |
73 return 0; | 73 return 0; |
74 } | 74 } |
75 if (af == AF_INET) { | 75 if (af == AF_INET) { |
76 return inet_pton_v4(src, dst); | 76 return inet_pton_v4(src, dst); |
77 } else if (af == AF_INET6) { | 77 } else if (af == AF_INET6) { |
78 return inet_pton_v6(src, dst); | 78 return inet_pton_v6(src, dst); |
79 } | 79 } |
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165 *cursor++ = ':'; | 165 *cursor++ = ':'; |
166 *cursor++ = ':'; | 166 *cursor++ = ':'; |
167 i += (max - 1); | 167 i += (max - 1); |
168 } | 168 } |
169 } | 169 } |
170 } | 170 } |
171 return dst; | 171 return dst; |
172 } | 172 } |
173 | 173 |
174 // Helper function for inet_pton for IPv4 addresses. | 174 // Helper function for inet_pton for IPv4 addresses. |
175 // Uses win32's inet_addr. | 175 // |src| points to a character string containing an IPv4 network address in |
176 // dotted-decimal format, "ddd.ddd.ddd.ddd", where ddd is a decimal number | |
177 // of up to three digits in the range 0 to 255. | |
178 // The address is converted and copied to dst, | |
179 // which must be sizeof(struct in_addr) (4) bytes (32 bits) long. | |
176 int inet_pton_v4(const char* src, void* dst) { | 180 int inet_pton_v4(const char* src, void* dst) { |
177 uint32 ip = inet_addr(src); | 181 int num_dot = 0; |
178 if (ip == 0xFFFFFFFF && strcmp(src, "255.255.255.255") != 0) { | 182 const char* src_pos = src; |
183 unsigned char result[4]; | |
Sergey Ulanov
2012/02/29 05:30:31
Might be better to define const kIpv4AddressSize =
Ronghua Wu (Left Chromium)
2012/03/01 00:50:13
Done.
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184 memset(result, 0, sizeof(result)); | |
tommi (sloooow) - chröme
2012/02/29 09:54:22
nit: instead of memset, you can just do:
unsigned
Ronghua Wu (Left Chromium)
2012/03/01 00:50:13
Done.
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185 | |
186 while (*src_pos != 0) { | |
Sergey Ulanov
2012/02/29 05:30:31
can replace this with a for loop from 0 to 3, that
Ronghua Wu (Left Chromium)
2012/03/01 00:50:13
I tried to do that be it seems that won't save muc
| |
187 if (*src_pos < '0' || *src_pos > '9') | |
Sergey Ulanov
2012/02/29 05:30:31
nit: add a comment explaining why we need it.
Sergey Ulanov
2012/02/29 05:30:31
use isdigit()
Ronghua Wu (Left Chromium)
2012/03/01 00:50:13
Done.
Ronghua Wu (Left Chromium)
2012/03/01 00:50:13
Done.
| |
188 return 0; | |
189 char* end_pos; | |
190 long int value = strtol(src_pos, &end_pos, 10); | |
191 if (value < 0 || value > 255 || | |
192 src_pos == end_pos) | |
Sergey Ulanov
2012/02/29 05:30:31
nit: no need to wrap this line. move this conditio
Ronghua Wu (Left Chromium)
2012/03/01 00:50:13
Done.
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193 return 0; | |
194 result[num_dot] = value; | |
195 if (*end_pos == 0) | |
196 break; | |
197 src_pos = end_pos; | |
198 if (*src_pos == '.') { | |
199 if (++num_dot > 3) | |
Sergey Ulanov
2012/02/29 05:30:31
move increment out of the if condition:
++num_dot
Ronghua Wu (Left Chromium)
2012/03/01 00:50:13
Done.
| |
200 return 0; | |
201 } | |
202 ++src_pos; | |
203 } | |
204 if (num_dot != 3) { | |
179 return 0; | 205 return 0; |
180 } | 206 } |
181 struct in_addr* dst_as_in_addr = reinterpret_cast<struct in_addr*>(dst); | 207 memcpy(dst, result, 4); |
Sergey Ulanov
2012/02/29 05:30:31
s/4/sizeof(result)/
Ronghua Wu (Left Chromium)
2012/03/01 00:50:13
Done.
| |
182 dst_as_in_addr->s_addr = ip; | |
183 return 1; | 208 return 1; |
184 } | 209 } |
185 | 210 |
186 // Helper function for inet_pton for IPv6 addresses. | 211 // Helper function for inet_pton for IPv6 addresses. |
187 int inet_pton_v6(const char* src, void* dst) { | 212 int inet_pton_v6(const char* src, void* dst) { |
188 // sscanf will pick any other invalid chars up, but it parses 0xnnnn as hex. | 213 // sscanf will pick any other invalid chars up, but it parses 0xnnnn as hex. |
189 // Check for literal x in the input string. | 214 // Check for literal x in the input string. |
190 const char* readcursor = src; | 215 const char* readcursor = src; |
191 char c = *readcursor++; | 216 char c = *readcursor++; |
192 while (c) { | 217 while (c) { |
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431 DWORD count = *GetSidSubAuthorityCount(til->Label.Sid); | 456 DWORD count = *GetSidSubAuthorityCount(til->Label.Sid); |
432 *level = *GetSidSubAuthority(til->Label.Sid, count - 1); | 457 *level = *GetSidSubAuthority(til->Label.Sid, count - 1); |
433 ret = true; | 458 ret = true; |
434 } | 459 } |
435 } | 460 } |
436 CloseHandle(token); | 461 CloseHandle(token); |
437 } | 462 } |
438 return ret; | 463 return ret; |
439 } | 464 } |
440 } // namespace talk_base | 465 } // namespace talk_base |
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