Adding upstream version 2.2.40.upstream/2.2.40upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 164 insertions, 0 deletions

diff --git a/g10/filter.h b/g10/filter.h
new file mode 100644
index 0000000..d2f6c3f
--- /dev/null
+++ b/g10/filter.h
@@ -0,0 +1,164 @@
+/* filter.h
+ * Copyright (C) 1998, 1999, 2000, 2001, 2003,
+ *               2005 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+#ifndef G10_FILTER_H
+#define G10_FILTER_H
+
+#include "../common/types.h"
+#include "dek.h"
+
+typedef struct {
+    gcry_md_hd_t md;      /* catch all */
+    gcry_md_hd_t md2;     /* if we want to calculate an alternate hash */
+    size_t maxbuf_size;
+} md_filter_context_t;
+
+typedef struct {
+    int  refcount;          /* Initialized to 1.  */
+
+    /* these fields may be initialized */
+    int what;		    /* what kind of armor headers to write */
+    int only_keyblocks;     /* skip all headers but ".... key block" */
+    const char *hdrlines;   /* write these headerlines */
+
+    /* these fields must be initialized to zero */
+    int no_openpgp_data;    /* output flag: "No valid OpenPGP data found" */
+
+    /* the following fields must be initialized to zero */
+    int inp_checked;	    /* set if the input has been checked */
+    int inp_bypass;	    /* set if the input is not armored */
+    int in_cleartext;	    /* clear text message */
+    int not_dash_escaped;   /* clear text is not dash escaped */
+    int hashes; 	    /* detected hash algorithms */
+    int faked;		    /* we are faking a literal data packet */
+    int truncated;	    /* number of truncated lines */
+    int qp_detected;
+    byte eol[3];            /* The end of line characters as a
+			       zero-terminated string.  Defaults
+			       (eol[0]=='\0') to whatever the local
+			       platform uses. */
+
+    byte *buffer;	    /* malloced buffer */
+    unsigned buffer_size;   /* and size of this buffer */
+    unsigned buffer_len;    /* used length of the buffer */
+    unsigned buffer_pos;    /* read position */
+
+    byte radbuf[4];
+    int idx, idx2;
+    u32 crc;
+
+    int status; 	    /* an internal state flag */
+    int cancel;
+    int any_data;	    /* any valid armored data seen */
+    int pending_lf;	    /* used together with faked */
+} armor_filter_context_t;
+
+struct unarmor_pump_s;
+typedef struct unarmor_pump_s *UnarmorPump;
+
+
+struct compress_filter_context_s {
+    int status;
+    void *opaque;   /* (used for z_stream) */
+    byte *inbuf;
+    unsigned inbufsize;
+    byte *outbuf;
+    unsigned outbufsize;
+    int algo;	 /* compress algo */
+    int algo1hack;
+    int new_ctb;
+    void (*release)(struct compress_filter_context_s*);
+};
+typedef struct compress_filter_context_s compress_filter_context_t;
+
+
+typedef struct {
+    DEK *dek;
+    u32 datalen;
+    gcry_cipher_hd_t cipher_hd;
+    unsigned int wrote_header : 1;
+    unsigned int short_blklen_warn : 1;
+    unsigned long short_blklen_count;
+    gcry_md_hd_t mdc_hash;
+    byte enchash[20];
+} cipher_filter_context_t;
+
+
+
+typedef struct {
+    byte *buffer;	    /* malloced buffer */
+    unsigned buffer_size;   /* and size of this buffer */
+    unsigned buffer_len;    /* used length of the buffer */
+    unsigned buffer_pos;    /* read position */
+    int truncated;	    /* number of truncated lines */
+    int not_dash_escaped;
+    int escape_from;
+    gcry_md_hd_t md;
+    int pending_lf;
+    int pending_esc;
+} text_filter_context_t;
+
+
+typedef struct {
+    char *what;		        /* description */
+    u32 last_time;		/* last time reported */
+    unsigned long last;		/* last amount reported */
+    unsigned long offset;	/* current amount */
+    unsigned long total;	/* total amount */
+    int  refcount;
+} progress_filter_context_t;
+
+/* encrypt_filter_context_t defined in main.h */
+
+/*-- mdfilter.c --*/
+int md_filter( void *opaque, int control, iobuf_t a, byte *buf, size_t *ret_len);
+void free_md_filter_context( md_filter_context_t *mfx );
+
+/*-- armor.c --*/
+armor_filter_context_t *new_armor_context (void);
+void release_armor_context (armor_filter_context_t *afx);
+int push_armor_filter (armor_filter_context_t *afx, iobuf_t iobuf);
+int use_armor_filter( iobuf_t a );
+UnarmorPump unarmor_pump_new (void);
+void        unarmor_pump_release (UnarmorPump x);
+int         unarmor_pump (UnarmorPump x, int c);
+
+/*-- compress.c --*/
+gpg_error_t push_compress_filter (iobuf_t out, compress_filter_context_t *zfx,
+                                  int algo);
+gpg_error_t push_compress_filter2 (iobuf_t out,compress_filter_context_t *zfx,
+                                   int algo, int rel);
+
+/*-- cipher.c --*/
+int cipher_filter_cfb (void *opaque, int control,
+                       iobuf_t chain, byte *buf, size_t *ret_len);
+
+/*-- textfilter.c --*/
+int text_filter( void *opaque, int control,
+		 iobuf_t chain, byte *buf, size_t *ret_len);
+int copy_clearsig_text (iobuf_t out, iobuf_t inp, gcry_md_hd_t md,
+                        int escape_dash, int escape_from);
+
+/*-- progress.c --*/
+progress_filter_context_t *new_progress_context (void);
+void release_progress_context (progress_filter_context_t *pfx);
+void handle_progress (progress_filter_context_t *pfx,
+		      iobuf_t inp, const char *name);
+
+#endif /*G10_FILTER_H*/