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authormidipix <writeonce@midipix.org>2016-07-17 03:00:30 -0400
committermidipix <writeonce@midipix.org>2016-07-21 03:47:29 -0400
commitacafe9829b0534d0b052f7382c77ea7fc753260c (patch)
tree9ca8b391b62662608888120be507a4c84b3c85b3 /src/internal
parentcc22daecf6700070d7a4955f1a2a0847287b0b8d (diff)
downloadptycon-acafe9829b0534d0b052f7382c77ea7fc753260c.tar.bz2
ptycon-acafe9829b0534d0b052f7382c77ea7fc753260c.tar.xz
internals: ptyc_open_file(), ptyc_open_dir(): [implementation and] integration.
Diffstat (limited to 'src/internal')
-rw-r--r--src/internal/ptycon_driver_impl.h3
-rw-r--r--src/internal/ptycon_open_impl.c78
2 files changed, 81 insertions, 0 deletions
diff --git a/src/internal/ptycon_driver_impl.h b/src/internal/ptycon_driver_impl.h
index 03f0c9b..67393ff 100644
--- a/src/internal/ptycon_driver_impl.h
+++ b/src/internal/ptycon_driver_impl.h
@@ -61,4 +61,7 @@ static inline struct ptyc_driver_ctx_impl * ptyc_get_driver_ictx(struct ptyc_dri
return 0;
}
+int32_t ptyc_open_file(void ** hfile, void * hat, const char * arg, bool fprivate);
+int32_t ptyc_open_dir(void ** hfile, void * hat, const char * arg, bool fprivate);
+
#endif
diff --git a/src/internal/ptycon_open_impl.c b/src/internal/ptycon_open_impl.c
new file mode 100644
index 0000000..efda8bc
--- /dev/null
+++ b/src/internal/ptycon_open_impl.c
@@ -0,0 +1,78 @@
+/*********************************************************/
+/* ptycon: a pty-console bridge */
+/* Copyright (C) 2016 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.PTYCON. */
+/*********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntcon/ntcon.h>
+#include <ntapi/ntapi.h>
+
+#include <ptycon/ptycon.h>
+#include "ptycon_driver_impl.h"
+
+static int32_t ptyc_open(
+ void ** hfile,
+ void * hat,
+ const char * arg,
+ uint32_t options,
+ bool fprivate)
+{
+ int32_t status;
+ nt_oa oa;
+ nt_iosb iosb;
+ nt_unicode_string path;
+ nt_unicode_conversion_params_utf8_to_utf16 params = {0,0,0,0,0,0,0,0,0};
+ wchar16_t buffer[4096];
+ wchar16_t * wch;
+ size_t nbytes;
+
+ /* utf-8 --> utf-16 */
+ params.src = (const unsigned char *)arg;
+ params.src_size_in_bytes= ntapi->tt_string_null_offset_multibyte(arg);
+ params.dst = buffer;
+ params.dst_size_in_bytes= sizeof(buffer);
+
+ if ((status = ntapi->uc_convert_unicode_stream_utf8_to_utf16(&params)))
+ return status;
+
+ /* convenience */
+ for (wch=buffer, nbytes=params.bytes_written; nbytes; ) {
+ if (*wch == '/')
+ *wch = '\\';
+
+ nbytes -= sizeof(wchar16_t);
+ wch++;
+ }
+
+ /* path */
+ path.maxlen = 0;
+ path.strlen = (uint16_t)params.bytes_written;
+ path.buffer = buffer;
+
+ /* oa */
+ oa.len = sizeof(nt_oa);
+ oa.root_dir = hat;
+ oa.obj_name = &path;
+ oa.obj_attr = fprivate ? 0 : NT_OBJ_INHERIT;
+ oa.sec_desc = 0;
+ oa.sec_qos = 0;
+
+ /* open */
+ return ntapi->zw_open_file(
+ hfile,
+ NT_SEC_SYNCHRONIZE | NT_FILE_READ_ATTRIBUTES | NT_FILE_READ_DATA,
+ &oa,&iosb,
+ NT_FILE_SHARE_READ | NT_FILE_SHARE_WRITE | NT_FILE_SHARE_DELETE,
+ options | NT_FILE_SYNCHRONOUS_IO_ALERT);
+}
+
+int32_t ptyc_open_file(void ** hfile, void * hat, const char * arg, bool fprivate)
+{
+ return ptyc_open(hfile,hat,arg,NT_FILE_NON_DIRECTORY_FILE,fprivate);
+}
+
+int32_t ptyc_open_dir(void ** hfile, void * hat, const char * arg, bool fprivate)
+{
+ return ptyc_open(hfile,hat,arg,NT_FILE_DIRECTORY_FILE,fprivate);
+}