* https://www.openssl.org/source/license.html
*/
-#include "e_os.h"
+#include "internal/cryptlib.h"
#include <errno.h>
#include <stdio.h>
# define chmod _chmod
# define open _open
# define fdopen _fdopen
+# define fstat _fstat
+# define fileno _fileno
#endif
#undef BUFSIZE
# if __INITIAL_POINTER_SIZE == 64
# pragma pointer_size save
# pragma pointer_size 32
-# endif
typedef char *char_ptr32;
-# if __INITIAL_POINTER_SIZE == 64
# pragma pointer_size restore
-# endif
-
/*
* On VMS, setbuf() will only take 32-bit pointers, and a compilation
* with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
* As for the buffer parameter, we only use NULL here, so that passes as
* well...
*/
-static void vms_setbuf(FILE *fp, char *buf)
-{
- setbuf((__FILE_ptr32)fp, (char_ptr32)buf);
-}
+# define setbuf(fp,buf) (setbuf)((__FILE_ptr32)(fp), (char_ptr32)(buf))
+# endif
+
/*
* This declaration is a nasty hack to get around vms' extension to fopen for
* passing in sharing options being disabled by /STANDARD=ANSI89
*/
static __FILE_ptr32 (*const vms_fopen)(const char *, const char *, ...) =
- (__FILE_ptr32 (*)(const char *, const char *, ...))fopen;
+ (__FILE_ptr32 (*)(const char *, const char *, ...))fopen;
# define VMS_OPEN_ATTRS "shr=get,put,upd,del","ctx=bin,stm","rfm=stm","rat=none","mrs=0"
-# define fopen(fname,mode) vms_fopen((fname), (mode), VMS_OPEN_ATTRS)
-# define setbuf(fp,buf) vms_setbuf((fp), (buf))
+# define openssl_fopen(fname,mode) vms_fopen((fname), (mode), VMS_OPEN_ATTRS)
#endif
#define RFILE ".rnd"
struct stat sb;
#endif
int i, ret = 0, n;
- FILE *in;
+ FILE *in = NULL;
if (file == NULL)
- return (0);
+ return 0;
+
+ if (bytes == 0)
+ return ret;
+
+ in = openssl_fopen(file, "rb");
+ if (in == NULL)
+ goto err;
#ifndef OPENSSL_NO_POSIX_IO
/*
* applications such as Valgrind.
*/
memset(&sb, 0, sizeof(sb));
- if (stat(file, &sb) < 0)
- return (0);
+ if (fstat(fileno(in), &sb) < 0)
+ goto err;
RAND_add(&sb, sizeof(sb), 0.0);
-#endif
- if (bytes == 0)
- return (ret);
- in = fopen(file, "rb");
- if (in == NULL)
- goto err;
-#if defined(S_ISBLK) && defined(S_ISCHR) && !defined(OPENSSL_NO_POSIX_IO)
+# if defined(S_ISBLK) && defined(S_ISCHR)
if (S_ISBLK(sb.st_mode) || S_ISCHR(sb.st_mode)) {
/*
* this file is a device. we don't want read an infinite number of
bytes = (bytes == -1) ? 2048 : bytes; /* ok, is 2048 enough? */
setbuf(in, NULL); /* don't do buffered reads */
}
+# endif
#endif
for (;;) {
if (bytes > 0)
break;
}
}
- fclose(in);
OPENSSL_cleanse(buf, BUFSIZE);
err:
- return (ret);
+ if (in != NULL)
+ fclose(in);
+ return ret;
}
int RAND_write_file(const char *file)
#ifndef OPENSSL_NO_POSIX_IO
struct stat sb;
+# if defined(S_ISBLK) && defined(S_ISCHR)
+# ifdef _WIN32
+ /*
+ * Check for |file| being a driver as "ASCII-safe" on Windows,
+ * because driver paths are always ASCII.
+ */
+# endif
i = stat(file, &sb);
if (i != -1) {
-# if defined(S_ISBLK) && defined(S_ISCHR)
if (S_ISBLK(sb.st_mode) || S_ISCHR(sb.st_mode)) {
/*
* this file is a device. we don't write back to it. we
* device. Otherwise attempting to write to and chmod the device
* causes problems.
*/
- return (1);
+ return 1;
}
# endif
}
#endif
-#if defined(O_CREAT) && !defined(OPENSSL_NO_POSIX_IO) && !defined(OPENSSL_SYS_VMS)
+#if defined(O_CREAT) && !defined(OPENSSL_NO_POSIX_IO) && \
+ !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_WINDOWS)
{
# ifndef O_BINARY
# define O_BINARY 0
* rand file in a concurrent use situation.
*/
- out = fopen(file, "rb+");
+ out = openssl_fopen(file, "rb+");
#endif
if (out == NULL)
- out = fopen(file, "wb");
+ out = openssl_fopen(file, "wb");
if (out == NULL)
goto err;
const char *RAND_file_name(char *buf, size_t size)
{
char *s = NULL;
+ int use_randfile = 1;
#ifdef __OpenBSD__
struct stat sb;
#endif
- if (OPENSSL_issetugid() == 0)
- s = getenv("RANDFILE");
- if (s != NULL && *s && strlen(s) + 1 < size) {
- if (OPENSSL_strlcpy(buf, s, size) >= size)
- return NULL;
- } else {
-#ifdef OPENSSL_SYS_WINDOWS
- if ((s = getenv("HOME")) == NULL
- && (s = getenv("USERPROFILE")) == NULL) {
- s = getenv("SYSTEMROOT");
+#if defined(_WIN32) && defined(CP_UTF8)
+ DWORD len;
+ WCHAR *var, *val;
+
+ if ((var = L"RANDFILE",
+ len = GetEnvironmentVariableW(var, NULL, 0)) == 0
+ && (var = L"HOME", use_randfile = 0,
+ len = GetEnvironmentVariableW(var, NULL, 0)) == 0
+ && (var = L"USERPROFILE",
+ len = GetEnvironmentVariableW(var, NULL, 0)) == 0) {
+ var = L"SYSTEMROOT",
+ len = GetEnvironmentVariableW(var, NULL, 0);
+ }
+
+ if (len != 0) {
+ int sz;
+
+ val = _alloca(len * sizeof(WCHAR));
+
+ if (GetEnvironmentVariableW(var, val, len) < len
+ && (sz = WideCharToMultiByte(CP_UTF8, 0, val, -1, NULL, 0,
+ NULL, NULL)) != 0) {
+ s = _alloca(sz);
+ if (WideCharToMultiByte(CP_UTF8, 0, val, -1, s, sz,
+ NULL, NULL) == 0)
+ s = NULL;
}
+ }
#else
- if (OPENSSL_issetugid() == 0)
+ if (OPENSSL_issetugid() != 0) {
+ use_randfile = 0;
+ } else {
+ s = getenv("RANDFILE");
+ if (s == NULL || *s == '\0') {
+ use_randfile = 0;
s = getenv("HOME");
+ }
+ }
#endif
#ifdef DEFAULT_HOME
- if (s == NULL) {
- s = DEFAULT_HOME;
- }
+ if (!use_randfile && s == NULL) {
+ s = DEFAULT_HOME;
+ }
#endif
- if (s && *s && strlen(s) + strlen(RFILE) + 2 < size) {
+ if (s != NULL && *s) {
+ size_t len = strlen(s);
+
+ if (use_randfile && len + 1 < size) {
+ if (OPENSSL_strlcpy(buf, s, size) >= size)
+ return NULL;
+ } else if (len + strlen(RFILE) + 2 < size) {
OPENSSL_strlcpy(buf, s, size);
#ifndef OPENSSL_SYS_VMS
OPENSSL_strlcat(buf, "/", size);
#endif
OPENSSL_strlcat(buf, RFILE, size);
- } else
- buf[0] = '\0'; /* no file name */
+ }
+ } else {
+ buf[0] = '\0'; /* no file name */
}
#ifdef __OpenBSD__
if (!buf[0])
if (OPENSSL_strlcpy(buf, "/dev/arandom", size) >= size) {
- return (NULL);
+ return NULL;
}
if (stat(buf, &sb) == -1)
if (OPENSSL_strlcpy(buf, "/dev/arandom", size) >= size) {
- return (NULL);
+ return NULL;
}
#endif
- return (buf);
+ return buf;
}
projects / openssl.git / blobdiff