- {
- BIO *ret;
-
- if ((ret=BIO_new(BIO_s_file())) == NULL)
- return(NULL);
-
- BIO_set_fp(ret,stream,close_flag);
- return(ret);
- }
-
-BIO_METHOD *BIO_s_file(void)
- {
- return(&methods_filep);
- }
-
-static int MS_CALLBACK file_new(BIO *bi)
- {
- bi->init=0;
- bi->num=0;
- bi->ptr=NULL;
- return(1);
- }
-
-static int MS_CALLBACK file_free(BIO *a)
- {
- if (a == NULL) return(0);
- if (a->shutdown)
- {
- if ((a->init) && (a->ptr != NULL))
- {
- fclose((FILE *)a->ptr);
- a->ptr=NULL;
- }
- a->init=0;
- }
- return(1);
- }
-
-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);
- }
- return(ret);
- }
-
-static int MS_CALLBACK file_write(BIO *b, const char *in, int inl)
- {
- int ret=0;
-
- if (b->init && (in != NULL))
- {
- if (fwrite(in,(int)inl,1,(FILE *)b->ptr))
- ret=inl;
- /* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */
- /* according to Tim Hudson <tjh@cryptsoft.com>, the commented
- * out version above can cause 'inl' write calls under
- * some stupid stdio implementations (VMS) */
- }
- 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(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS)
- /* Set correct text/binary mode */
- if (num & BIO_FP_TEXT)
- _setmode(fileno((FILE *)ptr),_O_TEXT);
- else
- _setmode(fileno((FILE *)ptr),_O_BINARY);
-#elif defined(OPENSSL_SYS_OS2)
- 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(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_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);
- }
-
-static int MS_CALLBACK file_gets(BIO *bp, char *buf, int size)
- {
- int ret=0;
-
- buf[0]='\0';
- fgets(buf,size,(FILE *)bp->ptr);
- if (buf[0] != '\0')
- ret=strlen(buf);
- return(ret);
- }
-
-static int MS_CALLBACK file_puts(BIO *bp, const char *str)
- {
- int n,ret;
-
- n=strlen(str);
- ret=file_write(bp,str,n);
- return(ret);
- }
-
-#endif /* OPENSSL_NO_STDIO */
-
-#endif /* HEADER_BSS_FILE_C */
+{
+ BIO *ret;
+
+ if ((ret = BIO_new(BIO_s_file())) == NULL)
+ return (NULL);
+
+ /* redundant flag, left for documentation purposes */
+ BIO_set_flags(ret, BIO_FLAGS_UPLINK);
+ BIO_set_fp(ret, stream, close_flag);
+ return (ret);
+}
+
+const BIO_METHOD *BIO_s_file(void)
+{
+ return (&methods_filep);
+}
+
+static int file_new(BIO *bi)
+{
+ bi->init = 0;
+ bi->num = 0;
+ bi->ptr = NULL;
+ bi->flags = BIO_FLAGS_UPLINK; /* default to UPLINK */
+ return (1);
+}
+
+static int file_free(BIO *a)
+{
+ if (a == NULL)
+ return (0);
+ if (a->shutdown) {
+ if ((a->init) && (a->ptr != NULL)) {
+ if (a->flags & BIO_FLAGS_UPLINK)
+ UP_fclose(a->ptr);
+ else
+ fclose(a->ptr);
+ a->ptr = NULL;
+ a->flags = BIO_FLAGS_UPLINK;
+ }
+ a->init = 0;
+ }
+ return (1);
+}
+
+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);
+}
+
+static int file_write(BIO *b, const char *in, int inl)
+{
+ int ret = 0;
+
+ if (b->init && (in != NULL)) {
+ if (b->flags & BIO_FLAGS_UPLINK)
+ ret = UP_fwrite(in, (int)inl, 1, b->ptr);
+ else
+ ret = fwrite(in, (int)inl, 1, (FILE *)b->ptr);
+ if (ret)
+ ret = inl;
+ /* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */
+ /*
+ * according to Tim Hudson <tjh@cryptsoft.com>, the commented out
+ * version above can cause 'inl' write calls under some stupid stdio
+ * implementations (VMS)
+ */
+ }
+ return (ret);
+}
+
+static long 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
+ /* Safety net to catch purely internal BIO_set_fp calls */
+# if defined(_MSC_VER) && _MSC_VER>=1900
+ if (ptr == stdin || ptr == stdout || ptr == stderr)
+ BIO_clear_flags(b, BIO_FLAGS_UPLINK);
+# elif defined(_IOB_ENTRIES)
+ 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_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_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)
+ OPENSSL_strlcpy(p, "a+", sizeof p);
+ else
+ OPENSSL_strlcpy(p, "a", sizeof p);
+ } else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
+ OPENSSL_strlcpy(p, "r+", sizeof p);
+ else if (num & BIO_FP_WRITE)
+ OPENSSL_strlcpy(p, "w", sizeof p);
+ else if (num & BIO_FP_READ)
+ OPENSSL_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_WIN32_CYGWIN)
+ if (!(num & BIO_FP_TEXT))
+ strcat(p, "b");
+ else
+ strcat(p, "t");
+# endif
+ fp = file_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);
+}
+
+static int file_gets(BIO *bp, char *buf, int size)
+{
+ int ret = 0;
+
+ buf[0] = '\0';
+ if (bp->flags & BIO_FLAGS_UPLINK) {
+ if (!UP_fgets(buf, size, bp->ptr))
+ goto err;
+ } else {
+ if (!fgets(buf, size, (FILE *)bp->ptr))
+ goto err;
+ }
+ if (buf[0] != '\0')
+ ret = strlen(buf);
+ err:
+ return (ret);
+}
+
+static int file_puts(BIO *bp, const char *str)
+{
+ int n, ret;
+
+ n = strlen(str);
+ ret = file_write(bp, str, n);
+ return (ret);
+}
+
+#else
+
+static int file_write(BIO *b, const char *in, int inl)
+{
+ return -1;
+}
+static int file_read(BIO *b, char *out, int outl)
+{
+ return -1;
+}
+static int file_puts(BIO *bp, const char *str)
+{
+ return -1;
+}
+static int file_gets(BIO *bp, char *buf, int size)
+{
+ return 0;
+}
+static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+ return 0;
+}
+static int file_new(BIO *bi)
+{
+ return 0;
+}
+static int file_free(BIO *a)
+{
+ return 0;
+}
+
+static const BIO_METHOD methods_filep = {
+ BIO_TYPE_FILE,
+ "FILE pointer",
+ file_write,
+ file_read,
+ file_puts,
+ file_gets,
+ file_ctrl,
+ file_new,
+ file_free,
+ NULL,
+};
+
+const BIO_METHOD *BIO_s_file(void)
+{
+ return (&methods_filep);
+}
+
+BIO *BIO_new_file(const char *filename, const char *mode)
+{
+ return NULL;
+}