int BIO_fd_should_retry(int i)
#endif
{
int err;
if ((i == 0) || (i == -1))
{
#ifndef BIO_FD
err=get_last_socket_error();
#else
err=get_last_sys_error();
#endif
#if defined(WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */
if ((i == -1) && (err == 0))
return(1);
#endif
#ifndef BIO_FD
return(BIO_sock_non_fatal_error(err));
#else
return(BIO_fd_non_fatal_error(err));
#endif
}
return(0);
}
BIO *BIO_new_file(const char *filename, const char *mode)
{
BIO *ret;
FILE *file = openssl_fopen(filename, mode);
int fp_flags = BIO_CLOSE;
if (strchr(mode, 'b') == NULL)
fp_flags |= BIO_FP_TEXT;
if (file == NULL) {
SYSerr(SYS_F_FOPEN, get_last_sys_error());
ERR_add_error_data(5, "fopen('", filename, "','", mode, "')");
if (errno == ENOENT
# ifdef ENXIO
|| errno == ENXIO
# endif
)
BIOerr(BIO_F_BIO_NEW_FILE, BIO_R_NO_SUCH_FILE);
else
BIOerr(BIO_F_BIO_NEW_FILE, ERR_R_SYS_LIB);
return NULL;
}
if ((ret = BIO_new(BIO_s_file())) == NULL) {
fclose(file);
return NULL;
}
BIO_clear_flags(ret, BIO_FLAGS_UPLINK); /* we did fopen -> we disengage
* UPLINK */
BIO_set_fp(ret, file, fp_flags);
return ret;
}
BIO *BIO_new_file(const char *filename, const char *mode)
{
BIO *ret;
FILE *file;
if ((file=fopen(filename,mode)) == NULL)
{
SYSerr(SYS_F_FOPEN,get_last_sys_error());
ERR_add_error_data(5,"fopen('",filename,"','",mode,"')");
if (errno == ENOENT)
BIOerr(BIO_F_BIO_NEW_FILE,BIO_R_NO_SUCH_FILE);
else
BIOerr(BIO_F_BIO_NEW_FILE,ERR_R_SYS_LIB);
return(NULL);
}
if ((ret=BIO_new(BIO_s_file_internal())) == NULL)
{
fclose(file);
return(NULL);
}
BIO_clear_flags(ret,BIO_FLAGS_UPLINK); /* we did fopen -> we disengage UPLINK */
BIO_set_fp(ret,file,BIO_CLOSE);
return(ret);
}
/*
* err_shelve_state returns the current thread local error state
* and freezes the error module until err_unshelve_state is called.
*/
int err_shelve_state(void **state)
{
int saveerrno = get_last_sys_error();
/*
* Note, at present our only caller is OPENSSL_init_crypto(), indirectly
* via ossl_init_load_crypto_nodelete(), by which point the requested
* "base" initialization has already been performed, so the below call is a
* NOOP, that re-enters OPENSSL_init_crypto() only to quickly return.
*
* If are no other valid callers of this function, the call below can be
* removed, avoiding the re-entry into OPENSSL_init_crypto(). If there are
* potential uses that are not from inside OPENSSL_init_crypto(), then this
* call is needed, but some care is required to make sure that the re-entry
* remains a NOOP.
*/
if (!OPENSSL_init_crypto(OPENSSL_INIT_BASE_ONLY, NULL))
return 0;
if (!RUN_ONCE(&err_init, err_do_init))
return 0;
*state = CRYPTO_THREAD_get_local(&err_thread_local);
if (!CRYPTO_THREAD_set_local(&err_thread_local, (ERR_STATE*)-1))
return 0;
set_sys_error(saveerrno);
return 1;
}
static void build_SYS_str_reasons(void)
{
/* OPENSSL_malloc cannot be used here, use static storage instead */
static char strerror_pool[SPACE_SYS_STR_REASONS];
char *cur = strerror_pool;
size_t cnt = 0;
static int init = 1;
int i;
int saveerrno = get_last_sys_error();
CRYPTO_THREAD_write_lock(err_string_lock);
if (!init) {
CRYPTO_THREAD_unlock(err_string_lock);
return;
}
for (i = 1; i <= NUM_SYS_STR_REASONS; i++) {
ERR_STRING_DATA *str = &SYS_str_reasons[i - 1];
str->error = ERR_PACK(ERR_LIB_SYS, 0, i);
if (str->string == NULL) {
if (openssl_strerror_r(i, cur, sizeof(strerror_pool) - cnt)) {
size_t l = strlen(cur);
str->string = cur;
cnt += l;
if (cnt > sizeof(strerror_pool))
cnt = sizeof(strerror_pool);
cur += l;
/*
* VMS has an unusual quirk of adding spaces at the end of
* some (most? all?) messages. Lets trim them off.
*/
while (ossl_isspace(cur[-1])) {
cur--;
cnt--;
}
*cur++ = '\0';
cnt++;
}
}
if (str->string == NULL)
str->string = "unknown";
}
/*
* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as
* required by ERR_load_strings.
*/
init = 0;
CRYPTO_THREAD_unlock(err_string_lock);
/* openssl_strerror_r could change errno, but we want to preserve it */
set_sys_error(saveerrno);
err_load_strings(SYS_str_reasons);
}
int BIO_fd_should_retry(int i)
{
int err;
if ((i == 0) || (i == -1)) {
err = get_last_sys_error();
return (BIO_fd_non_fatal_error(err));
}
return (0);
}
int BIO_fd_should_retry(int i)
{
int err;
if ((i == 0) || (i == -1)) {
err = get_last_sys_error();
# if defined(OPENSSL_SYS_WINDOWS) && 0/* more microsoft stupidity? perhaps
* not? Ben 4/1/99 */
if ((i == -1) && (err == 0))
return (1);
# endif
return (BIO_fd_non_fatal_error(err));
}
static int MS_CALLBACK file_read(BIO *b, char *out, int outl)
{
int ret=0;
if (b->init && (out != NULL))
{
ret=fread(out,1,(int)outl,(FILE *)b->ptr);
if(ret == 0 && ferror((FILE *)b->ptr))
{
SYSerr(SYS_F_FREAD,get_last_sys_error());
BIOerr(BIO_F_FILE_READ,ERR_R_SYS_LIB);
ret=-1;
}
}
return(ret);
}
BIO *BIO_new_file(const char *filename, const char *mode)
{
BIO *ret;
FILE *file;
if ((file=fopen(filename,mode)) == NULL)
{
SYSerr(SYS_F_FOPEN,get_last_sys_error());
ERR_add_error_data(5,"fopen('",filename,"','",mode,"')");
BIOerr(BIO_F_BIO_NEW_FILE,ERR_R_SYS_LIB);
return(NULL);
}
if ((ret=BIO_new(BIO_s_file_internal())) == NULL)
return(NULL);
BIO_set_fp(ret,file,BIO_CLOSE);
return(ret);
}
static int file_read(BIO *b, char *out, int outl)
{
int ret = 0;
if (b->init && (out != NULL)) {
if (b->flags & BIO_FLAGS_UPLINK)
ret = UP_fread(out, 1, (int)outl, b->ptr);
else
ret = fread(out, 1, (int)outl, (FILE *)b->ptr);
if (ret == 0
&& (b->flags & BIO_FLAGS_UPLINK) ? UP_ferror((FILE *)b->ptr) :
ferror((FILE *)b->ptr)) {
SYSerr(SYS_F_FREAD, get_last_sys_error());
BIOerr(BIO_F_FILE_READ, ERR_R_SYS_LIB);
ret = -1;
}
}
return ret;
}
ERR_STATE *ERR_get_state(void)
{
ERR_STATE *state;
int saveerrno = get_last_sys_error();
if (!OPENSSL_init_crypto(OPENSSL_INIT_BASE_ONLY, NULL))
return NULL;
if (!RUN_ONCE(&err_init, err_do_init))
return NULL;
state = CRYPTO_THREAD_get_local(&err_thread_local);
if (state == (ERR_STATE*)-1)
return NULL;
if (state == NULL) {
if (!CRYPTO_THREAD_set_local(&err_thread_local, (ERR_STATE*)-1))
return NULL;
if ((state = OPENSSL_zalloc(sizeof(*state))) == NULL) {
CRYPTO_THREAD_set_local(&err_thread_local, NULL);
return NULL;
}
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE)
|| !CRYPTO_THREAD_set_local(&err_thread_local, state)) {
ERR_STATE_free(state);
CRYPTO_THREAD_set_local(&err_thread_local, NULL);
return NULL;
}
/* Ignore failures from these */
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
}
set_sys_error(saveerrno);
return state;
}
static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret = 1;
FILE *fp = (FILE *)b->ptr;
FILE **fpp;
char p[4];
switch (cmd) {
case BIO_C_FILE_SEEK:
case BIO_CTRL_RESET:
if (b->flags & BIO_FLAGS_UPLINK)
ret = (long)UP_fseek(b->ptr, num, 0);
else
ret = (long)fseek(fp, num, 0);
break;
case BIO_CTRL_EOF:
if (b->flags & BIO_FLAGS_UPLINK)
ret = (long)UP_feof(fp);
else
ret = (long)feof(fp);
break;
case BIO_C_FILE_TELL:
case BIO_CTRL_INFO:
if (b->flags & BIO_FLAGS_UPLINK)
ret = UP_ftell(b->ptr);
else
ret = ftell(fp);
break;
case BIO_C_SET_FILE_PTR:
file_free(b);
b->shutdown = (int)num & BIO_CLOSE;
b->ptr = ptr;
b->init = 1;
# if BIO_FLAGS_UPLINK!=0
# if defined(__MINGW32__) && defined(__MSVCRT__) && !defined(_IOB_ENTRIES)
# define _IOB_ENTRIES 20
# endif
# if defined(_IOB_ENTRIES)
/* Safety net to catch purely internal BIO_set_fp calls */
if ((size_t)ptr >= (size_t)stdin &&
(size_t)ptr < (size_t)(stdin + _IOB_ENTRIES))
BIO_clear_flags(b, BIO_FLAGS_UPLINK);
# endif
# endif
# ifdef UP_fsetmod
if (b->flags & BIO_FLAGS_UPLINK)
UP_fsetmod(b->ptr, (char)((num & BIO_FP_TEXT) ? 't' : 'b'));
else
# endif
{
# if defined(OPENSSL_SYS_WINDOWS)
int fd = _fileno((FILE *)ptr);
if (num & BIO_FP_TEXT)
_setmode(fd, _O_TEXT);
else
_setmode(fd, _O_BINARY);
# elif defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
int fd = fileno((FILE *)ptr);
/* Under CLib there are differences in file modes */
if (num & BIO_FP_TEXT)
setmode(fd, O_TEXT);
else
setmode(fd, O_BINARY);
# elif defined(OPENSSL_SYS_MSDOS)
int fd = fileno((FILE *)ptr);
/* Set correct text/binary mode */
if (num & BIO_FP_TEXT)
_setmode(fd, _O_TEXT);
/* Dangerous to set stdin/stdout to raw (unless redirected) */
else {
if (fd == STDIN_FILENO || fd == STDOUT_FILENO) {
if (isatty(fd) <= 0)
_setmode(fd, _O_BINARY);
} else
_setmode(fd, _O_BINARY);
}
# elif defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)
int fd = fileno((FILE *)ptr);
if (num & BIO_FP_TEXT)
setmode(fd, O_TEXT);
else
setmode(fd, O_BINARY);
# endif
}
break;
case BIO_C_SET_FILENAME:
file_free(b);
b->shutdown = (int)num & BIO_CLOSE;
if (num & BIO_FP_APPEND) {
if (num & BIO_FP_READ)
BUF_strlcpy(p, "a+", sizeof p);
else
BUF_strlcpy(p, "a", sizeof p);
} else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
BUF_strlcpy(p, "r+", sizeof p);
else if (num & BIO_FP_WRITE)
BUF_strlcpy(p, "w", sizeof p);
else if (num & BIO_FP_READ)
BUF_strlcpy(p, "r", sizeof p);
else {
BIOerr(BIO_F_FILE_CTRL, BIO_R_BAD_FOPEN_MODE);
ret = 0;
break;
}
# if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)
if (!(num & BIO_FP_TEXT))
strcat(p, "b");
else
strcat(p, "t");
# endif
# if defined(OPENSSL_SYS_NETWARE)
if (!(num & BIO_FP_TEXT))
strcat(p, "b");
else
strcat(p, "t");
# endif
fp = fopen(ptr, p);
if (fp == NULL) {
SYSerr(SYS_F_FOPEN, get_last_sys_error());
ERR_add_error_data(5, "fopen('", ptr, "','", p, "')");
BIOerr(BIO_F_FILE_CTRL, ERR_R_SYS_LIB);
ret = 0;
break;
}
b->ptr = fp;
b->init = 1;
BIO_clear_flags(b, BIO_FLAGS_UPLINK); /* we did fopen -> we disengage
* UPLINK */
break;
case BIO_C_GET_FILE_PTR:
/* the ptr parameter is actually a FILE ** in this case. */
if (ptr != NULL) {
fpp = (FILE **)ptr;
*fpp = (FILE *)b->ptr;
}
break;
case BIO_CTRL_GET_CLOSE:
ret = (long)b->shutdown;
break;
case BIO_CTRL_SET_CLOSE:
b->shutdown = (int)num;
break;
case BIO_CTRL_FLUSH:
if (b->flags & BIO_FLAGS_UPLINK)
UP_fflush(b->ptr);
else
fflush((FILE *)b->ptr);
break;
case BIO_CTRL_DUP:
ret = 1;
break;
case BIO_CTRL_WPENDING:
case BIO_CTRL_PENDING:
case BIO_CTRL_PUSH:
case BIO_CTRL_POP:
default:
ret = 0;
break;
}
return (ret);
}
BIO *BIO_new_file(const char *filename, const char *mode)
{
BIO *ret;
FILE *file = NULL;
# if defined(_WIN32) && defined(CP_UTF8)
int sz, len_0 = (int)strlen(filename) + 1;
DWORD flags;
/*
* Basically there are three cases to cover: a) filename is
* pure ASCII string; b) actual UTF-8 encoded string and
* c) locale-ized string, i.e. one containing 8-bit
* characters that are meaningful in current system locale.
* If filename is pure ASCII or real UTF-8 encoded string,
* MultiByteToWideChar succeeds and _wfopen works. If
* filename is locale-ized string, chances are that
* MultiByteToWideChar fails reporting
* ERROR_NO_UNICODE_TRANSLATION, in which case we fall
* back to fopen...
*/
if ((sz = MultiByteToWideChar(CP_UTF8, (flags = MB_ERR_INVALID_CHARS),
filename, len_0, NULL, 0)) > 0 ||
(GetLastError() == ERROR_INVALID_FLAGS &&
(sz = MultiByteToWideChar(CP_UTF8, (flags = 0),
filename, len_0, NULL, 0)) > 0)
) {
WCHAR wmode[8];
WCHAR *wfilename = _alloca(sz * sizeof(WCHAR));
if (MultiByteToWideChar(CP_UTF8, flags,
filename, len_0, wfilename, sz) &&
MultiByteToWideChar(CP_UTF8, 0, mode, strlen(mode) + 1,
wmode, sizeof(wmode) / sizeof(wmode[0])) &&
(file = _wfopen(wfilename, wmode)) == NULL &&
(errno == ENOENT || errno == EBADF)
) {
/*
* UTF-8 decode succeeded, but no file, filename
* could still have been locale-ized...
*/
file = fopen(filename, mode);
}
} else if (GetLastError() == ERROR_NO_UNICODE_TRANSLATION) {
file = fopen(filename, mode);
}
# else
file = fopen(filename, mode);
# endif
if (file == NULL) {
SYSerr(SYS_F_FOPEN, get_last_sys_error());
ERR_add_error_data(5, "fopen('", filename, "','", mode, "')");
if (errno == ENOENT)
BIOerr(BIO_F_BIO_NEW_FILE, BIO_R_NO_SUCH_FILE);
else
BIOerr(BIO_F_BIO_NEW_FILE, ERR_R_SYS_LIB);
return (NULL);
}
if ((ret = BIO_new(BIO_s_file())) == NULL) {
fclose(file);
return (NULL);
}
BIO_clear_flags(ret, BIO_FLAGS_UPLINK); /* we did fopen -> we disengage
* UPLINK */
BIO_set_fp(ret, file, BIO_CLOSE);
return (ret);
}
static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret=1;
FILE *fp=(FILE *)b->ptr;
FILE **fpp;
char p[4];
switch (cmd)
{
case BIO_C_FILE_SEEK:
case BIO_CTRL_RESET:
ret=(long)fseek(fp,num,0);
break;
case BIO_CTRL_EOF:
ret=(long)feof(fp);
break;
case BIO_C_FILE_TELL:
case BIO_CTRL_INFO:
ret=ftell(fp);
break;
case BIO_C_SET_FILE_PTR:
file_free(b);
b->shutdown=(int)num&BIO_CLOSE;
b->ptr=(char *)ptr;
b->init=1;
#if defined(MSDOS) || defined(WINDOWS)
/* Set correct text/binary mode */
if (num & BIO_FP_TEXT)
_setmode(fileno((FILE *)ptr),_O_TEXT);
else
_setmode(fileno((FILE *)ptr),_O_BINARY);
#endif
break;
case BIO_C_SET_FILENAME:
file_free(b);
b->shutdown=(int)num&BIO_CLOSE;
if (num & BIO_FP_APPEND)
{
if (num & BIO_FP_READ)
strcpy(p,"a+");
else strcpy(p,"a");
}
else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
strcpy(p,"r+");
else if (num & BIO_FP_WRITE)
strcpy(p,"w");
else if (num & BIO_FP_READ)
strcpy(p,"r");
else
{
BIOerr(BIO_F_FILE_CTRL,BIO_R_BAD_FOPEN_MODE);
ret=0;
break;
}
#if defined(MSDOS) || defined(WINDOWS)
if (!(num & BIO_FP_TEXT))
strcat(p,"b");
else
strcat(p,"t");
#endif
fp=fopen(ptr,p);
if (fp == NULL)
{
SYSerr(SYS_F_FOPEN,get_last_sys_error());
ERR_add_error_data(5,"fopen('",ptr,"','",p,"')");
BIOerr(BIO_F_FILE_CTRL,ERR_R_SYS_LIB);
ret=0;
break;
}
b->ptr=(char *)fp;
b->init=1;
break;
case BIO_C_GET_FILE_PTR:
/* the ptr parameter is actually a FILE ** in this case. */
if (ptr != NULL)
{
fpp=(FILE **)ptr;
*fpp=(FILE *)b->ptr;
}
break;
case BIO_CTRL_GET_CLOSE:
ret=(long)b->shutdown;
break;
case BIO_CTRL_SET_CLOSE:
b->shutdown=(int)num;
break;
case BIO_CTRL_FLUSH:
fflush((FILE *)b->ptr);
break;
case BIO_CTRL_DUP:
ret=1;
break;
case BIO_CTRL_WPENDING:
case BIO_CTRL_PENDING:
case BIO_CTRL_PUSH:
case BIO_CTRL_POP:
default:
ret=0;
break;
}
return(ret);
}
