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Make mg_random() fallible. Abort TLS on weak RNG

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Sergey Lyubka authored and Sergio R. Caprile committed 2024-09-02 11:06:10 -03:00
1 parent 44b3d60692
commit 683f65f8ac
62 files changed
+253 -111
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mongoose.h
+17 -3
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@@ -443,6 +443,20 @@ typedef enum { false = 0, true = 1 } bool;
#include <winerror.h>
#include <winsock2.h>
// For mg_random()
#if defined(_MSC_VER) && _MSC_VER < 1700
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x400 // Let vc98 pick up wincrypt.h
#endif
#include <wincrypt.h>
#pragma comment(lib, "advapi32.lib")
#else
#include <bcrypt.h>
#if defined(_MSC_VER)
#pragma comment(lib, "bcrypt.lib")
#endif
#endif
// Protect from calls like std::snprintf in app code
// See https://github.com/cesanta/mongoose/issues/1047
#ifndef __cplusplus
@@ -487,12 +501,12 @@ typedef int socklen_t;
(((errcode) < 0) && (WSAGetLastError() == WSAECONNRESET))
#define realpath(a, b) _fullpath((b), (a), MG_PATH_MAX)
#define sleep(x) Sleep((x) *1000)
#define sleep(x) Sleep((x) * 1000)
#define mkdir(a, b) _mkdir(a)
#define timegm(x) _mkgmtime(x)
#ifndef S_ISDIR
#define S_ISDIR(x) (((x) &_S_IFMT) == _S_IFDIR)
#define S_ISDIR(x) (((x) & _S_IFMT) == _S_IFDIR)
#endif
#ifndef MG_ENABLE_DIRLIST
@@ -1056,7 +1070,7 @@ struct mg_str mg_unpacked(const char *path); // Packed file as mg_str
#endif
void mg_bzero(volatile unsigned char *buf, size_t len);
void mg_random(void *buf, size_t len);
bool mg_random(void *buf, size_t len);
char *mg_random_str(char *buf, size_t len);
uint16_t mg_ntohs(uint16_t net);
uint32_t mg_ntohl(uint32_t net);