This commit was manufactured by cvs2svn to create branch

'GNUPG-1-9-BRANCH'.

1 files changed, 154 insertions, 0 deletions

diff --git a/g10/filter.h b/g10/filter.h
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+/* filter.h
+ * Copyright (C) 1998, 1999, 2000, 2001 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifndef G10_FILTER_H
+#define G10_FILTER_H
+
+#include "types.h"
+#include "cipher.h"
+
+typedef struct {
+    MD_HANDLE md;      /* catch all */
+    MD_HANDLE md2;     /* if we want to calculate an alternate hash */
+    size_t maxbuf_size;
+} md_filter_context_t;
+
+typedef struct {
+    /* 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 fileds 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;
+    int pgp2mode;
+
+    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;
+    CIPHER_HANDLE cipher_hd;
+    int header;
+    MD_HANDLE mdc_hash;
+    byte enchash[20];
+    int create_mdc; /* flag will be set by the cipher filter */
+} 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;
+    MD_HANDLE 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 */
+} progress_filter_context_t;
+
+/* encrypt_filter_context_t defined in main.h */
+
+/*-- mdfilter.c --*/
+int md_filter( void *opaque, int control, IOBUF a, byte *buf, size_t *ret_len);
+void free_md_filter_context( md_filter_context_t *mfx );
+
+/*-- armor.c --*/
+int use_armor_filter( IOBUF a );
+int armor_filter( void *opaque, int control,
+		  IOBUF chain, byte *buf, size_t *ret_len);
+UnarmorPump unarmor_pump_new (void);
+void        unarmor_pump_release (UnarmorPump x);
+int         unarmor_pump (UnarmorPump x, int c);
+
+/*-- compress.c --*/
+int compress_filter( void *opaque, int control,
+		     IOBUF chain, byte *buf, size_t *ret_len);
+
+/*-- cipher.c --*/
+int cipher_filter( void *opaque, int control,
+		   IOBUF chain, byte *buf, size_t *ret_len);
+
+/*-- textfilter.c --*/
+int text_filter( void *opaque, int control,
+		 IOBUF chain, byte *buf, size_t *ret_len);
+int copy_clearsig_text( IOBUF out, IOBUF inp, MD_HANDLE md,
+			  int escape_dash, int escape_from, int pgp2mode );
+
+/*-- progress.c --*/
+int progress_filter (void *opaque, int control,
+		     IOBUF a, byte *buf, size_t *ret_len);
+void handle_progress (progress_filter_context_t *pfx,
+		      IOBUF inp, const char *name);
+
+#endif /*G10_FILTER_H*/