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| 1 /* crypto/rand/rand_os2.c */ | |
| 2 /* ==================================================================== | |
| 3 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in | |
| 14 * the documentation and/or other materials provided with the | |
| 15 * distribution. | |
| 16 * | |
| 17 * 3. All advertising materials mentioning features or use of this | |
| 18 * software must display the following acknowledgment: | |
| 19 * "This product includes software developed by the OpenSSL Project | |
| 20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
| 21 * | |
| 22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 23 * endorse or promote products derived from this software without | |
| 24 * prior written permission. For written permission, please contact | |
| 25 * openssl-core@openssl.org. | |
| 26 * | |
| 27 * 5. Products derived from this software may not be called "OpenSSL" | |
| 28 * nor may "OpenSSL" appear in their names without prior written | |
| 29 * permission of the OpenSSL Project. | |
| 30 * | |
| 31 * 6. Redistributions of any form whatsoever must retain the following | |
| 32 * acknowledgment: | |
| 33 * "This product includes software developed by the OpenSSL Project | |
| 34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
| 35 * | |
| 36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 47 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 48 * ==================================================================== | |
| 49 * | |
| 50 * This product includes cryptographic software written by Eric Young | |
| 51 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 52 * Hudson (tjh@cryptsoft.com). | |
| 53 * | |
| 54 */ | |
| 55 | |
| 56 #include "cryptlib.h" | |
| 57 #include <openssl/rand.h> | |
| 58 #include "rand_lcl.h" | |
| 59 | |
| 60 #ifdef OPENSSL_SYS_OS2 | |
| 61 | |
| 62 #define INCL_DOSPROCESS | |
| 63 #define INCL_DOSPROFILE | |
| 64 #define INCL_DOSMISC | |
| 65 #define INCL_DOSMODULEMGR | |
| 66 #include <os2.h> | |
| 67 | |
| 68 #define CMD_KI_RDCNT (0x63) | |
| 69 | |
| 70 typedef struct _CPUUTIL { | |
| 71 ULONG ulTimeLow; /* Low 32 bits of time stamp */ | |
| 72 ULONG ulTimeHigh; /* High 32 bits of time stamp */ | |
| 73 ULONG ulIdleLow; /* Low 32 bits of idle time */ | |
| 74 ULONG ulIdleHigh; /* High 32 bits of idle time */ | |
| 75 ULONG ulBusyLow; /* Low 32 bits of busy time */ | |
| 76 ULONG ulBusyHigh; /* High 32 bits of busy time */ | |
| 77 ULONG ulIntrLow; /* Low 32 bits of interrupt time */ | |
| 78 ULONG ulIntrHigh; /* High 32 bits of interrupt time */ | |
| 79 } CPUUTIL; | |
| 80 | |
| 81 #ifndef __KLIBC__ | |
| 82 APIRET APIENTRY(*DosPerfSysCall) (ULONG ulCommand, ULONG ulParm1, ULONG ulParm2,
ULONG ulParm3) = NULL; | |
| 83 APIRET APIENTRY(*DosQuerySysState) (ULONG func, ULONG arg1, ULONG pid, ULONG _re
s_, PVOID buf, ULONG bufsz) = NULL; | |
| 84 #endif | |
| 85 HMODULE hDoscalls = 0; | |
| 86 | |
| 87 int RAND_poll(void) | |
| 88 { | |
| 89 char failed_module[20]; | |
| 90 QWORD qwTime; | |
| 91 ULONG SysVars[QSV_FOREGROUND_PROCESS]; | |
| 92 | |
| 93 if (hDoscalls == 0) { | |
| 94 ULONG rc = DosLoadModule(failed_module, sizeof(failed_module), "DOSCALLS
", &hDoscalls); | |
| 95 | |
| 96 #ifndef __KLIBC__ | |
| 97 if (rc == 0) { | |
| 98 rc = DosQueryProcAddr(hDoscalls, 976, NULL, (PFN *)&DosPerfSysCall); | |
| 99 | |
| 100 if (rc) | |
| 101 DosPerfSysCall = NULL; | |
| 102 | |
| 103 rc = DosQueryProcAddr(hDoscalls, 368, NULL, (PFN *)&DosQuerySysState
); | |
| 104 | |
| 105 if (rc) | |
| 106 DosQuerySysState = NULL; | |
| 107 } | |
| 108 #endif | |
| 109 } | |
| 110 | |
| 111 /* Sample the hi-res timer, runs at around 1.1 MHz */ | |
| 112 DosTmrQueryTime(&qwTime); | |
| 113 RAND_add(&qwTime, sizeof(qwTime), 2); | |
| 114 | |
| 115 /* Sample a bunch of system variables, includes various process & memory sta
tistics */ | |
| 116 DosQuerySysInfo(1, QSV_FOREGROUND_PROCESS, SysVars, sizeof(SysVars)); | |
| 117 RAND_add(SysVars, sizeof(SysVars), 4); | |
| 118 | |
| 119 /* If available, sample CPU registers that count at CPU MHz | |
| 120 * Only fairly new CPUs (PPro & K6 onwards) & OS/2 versions support this | |
| 121 */ | |
| 122 if (DosPerfSysCall) { | |
| 123 CPUUTIL util; | |
| 124 | |
| 125 if (DosPerfSysCall(CMD_KI_RDCNT, (ULONG)&util, 0, 0) == 0) { | |
| 126 RAND_add(&util, sizeof(util), 10); | |
| 127 } | |
| 128 else { | |
| 129 #ifndef __KLIBC__ | |
| 130 DosPerfSysCall = NULL; | |
| 131 #endif | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 /* DosQuerySysState() gives us a huge quantity of process, thread, memory &
handle stats */ | |
| 136 if (DosQuerySysState) { | |
| 137 char *buffer = OPENSSL_malloc(256 * 1024); | |
| 138 | |
| 139 if (DosQuerySysState(0x1F, 0, 0, 0, buffer, 256 * 1024) == 0) { | |
| 140 /* First 4 bytes in buffer is a pointer to the thread count | |
| 141 * there should be at least 1 byte of entropy per thread | |
| 142 */ | |
| 143 RAND_add(buffer, 256 * 1024, **(ULONG **)buffer); | |
| 144 } | |
| 145 | |
| 146 OPENSSL_free(buffer); | |
| 147 return 1; | |
| 148 } | |
| 149 | |
| 150 return 0; | |
| 151 } | |
| 152 | |
| 153 #endif /* OPENSSL_SYS_OS2 */ | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master