--- /dev/null
+/*
+ * Copyright notice from original mutt:
+ * Copyright (C) 2003 Werner Koch <wk@gnupg.org>
+ * Copyright (C) 2004 g10code GmbH
+ *
+ * This file is part of mutt-ng, see http://www.muttng.org/.
+ * It's licensed under the GNU General Public License,
+ * please see the file GPL in the top level source directory.
+ */
+
+/*
+ Common definitions and prototypes for the crypt functions. They are
+ all defined in crypt.c and cryptglue.c
+*/
+
+#ifndef MUTT_CRYPT_H
+#define MUTT_CRYPT_H
+
+#include "mutt.h" /* Need this to declare BODY, address_t. STATE etc. */
+#include "state.h"
+
+/* FIXME: They should be pointer to anonymous structures for better
+ information hiding. */
+
+
+
+#define ENCRYPT (1 << 0)
+#define SIGN (1 << 1)
+#define GOODSIGN (1 << 2)
+#define BADSIGN (1 << 3)
+#define PARTSIGN (1 << 4)
+#define SIGNOPAQUE (1 << 5)
+#define KEYBLOCK (1 << 6) /* KEY too generic? */
+#define INLINE (1 << 7)
+
+#define APPLICATION_PGP (1 << 8)
+#define APPLICATION_SMIME (1 << 9)
+
+#define PGP_TRADITIONAL_CHECKED (1 << 10)
+
+#define PGPENCRYPT (APPLICATION_PGP | ENCRYPT)
+#define PGPSIGN (APPLICATION_PGP | SIGN)
+#define PGPGOODSIGN (APPLICATION_PGP | GOODSIGN)
+#define PGPKEY (APPLICATION_PGP | KEYBLOCK)
+#define PGPINLINE (APPLICATION_PGP | INLINE)
+
+#define SMIMEENCRYPT (APPLICATION_SMIME | ENCRYPT)
+#define SMIMESIGN (APPLICATION_SMIME | SIGN)
+#define SMIMEGOODSIGN (APPLICATION_SMIME | GOODSIGN)
+#define SMIMEBADSIGN (APPLICATION_SMIME | BADSIGN)
+#define SMIMEOPAQUE (APPLICATION_SMIME | SIGNOPAQUE)
+
+#define KEYFLAG_CANSIGN (1 << 0)
+#define KEYFLAG_CANENCRYPT (1 << 1)
+#define KEYFLAG_ISX509 (1 << 2)
+#define KEYFLAG_SECRET (1 << 7)
+#define KEYFLAG_EXPIRED (1 << 8)
+#define KEYFLAG_REVOKED (1 << 9)
+#define KEYFLAG_DISABLED (1 << 10)
+#define KEYFLAG_SUBKEY (1 << 11)
+#define KEYFLAG_CRITICAL (1 << 12)
+#define KEYFLAG_PREFER_ENCRYPTION (1 << 13)
+#define KEYFLAG_PREFER_SIGNING (1 << 14)
+
+#define KEYFLAG_CANTUSE (KEYFLAG_DISABLED|KEYFLAG_REVOKED|KEYFLAG_EXPIRED)
+#define KEYFLAG_RESTRICTIONS (KEYFLAG_CANTUSE|KEYFLAG_CRITICAL)
+
+#define KEYFLAG_ABILITIES (KEYFLAG_CANSIGN|KEYFLAG_CANENCRYPT|KEYFLAG_PREFER_ENCRYPTION|KEYFLAG_PREFER_SIGNING)
+
+enum pgp_ring {
+ PGP_PUBRING,
+ PGP_SECRING
+};
+typedef enum pgp_ring pgp_ring_t;
+
+
+struct pgp_keyinfo;
+typedef struct pgp_keyinfo *pgp_key_t;
+
+
+
+/* Some prototypes -- old crypt.h. */
+
+int mutt_protect (HEADER *, char *);
+
+int mutt_is_multipart_encrypted (BODY *);
+
+int mutt_is_multipart_signed (BODY *);
+
+int mutt_is_application_pgp (BODY *);
+
+int mutt_is_application_smime (BODY *);
+
+int mutt_signed_handler (BODY *, STATE *);
+
+int mutt_parse_crypt_hdr (char *, int);
+
+
+void convert_to_7bit (BODY *);
+
+
+
+/*-- crypt.c --*/
+
+/* Print the current time. */
+void crypt_current_time (STATE * s, const char *app_name);
+
+/* Check out the type of encryption used and set the cached status
+ values if there are any. */
+int crypt_query (BODY * m);
+
+/* Fixme: To be documented. */
+void crypt_extract_keys_from_messages (HEADER * h);
+
+/* Do a quick check to make sure that we can find all of the
+ encryption keys if the user has requested this service.
+ Return the list of keys in KEYLIST. */
+int crypt_get_keys (HEADER * msg, char **keylist);
+
+/* Forget a passphrase and display a message. */
+void crypt_forget_passphrase (void);
+
+/* Check that we have a usable passphrase, ask if not. */
+int crypt_valid_passphrase (int);
+
+/* Write the message body/part A described by state S to a the given
+ TEMPFILE. */
+int crypt_write_signed (BODY * a, STATE * s, const char *tempf);
+
+
+
+/*-- cryptglue.c --*/
+
+/* Show a message that a backend will be invoked. */
+void crypt_invoke_message (int type);
+
+
+/* Silently forget about a passphrase. */
+void crypt_pgp_void_passphrase (void);
+
+int crypt_pgp_valid_passphrase (void);
+
+
+/* Decrypt a PGP/MIME message. */
+int crypt_pgp_decrypt_mime (FILE * a, FILE ** b, BODY * c, BODY ** d);
+
+/* MIME handler for the application/pgp content-type. */
+int crypt_pgp_application_pgp_handler (BODY * m, STATE * s);
+
+/* MIME handler for an PGP/MIME encrypted message. */
+int crypt_pgp_encrypted_handler (BODY * a, STATE * s);
+
+/* fixme: needs documentation. */
+void crypt_pgp_invoke_getkeys (address_t * addr);
+
+/* Ask for a PGP key. */
+pgp_key_t crypt_pgp_ask_for_key (char *tag, char *whatfor,
+ short abilities, pgp_ring_t keyring);
+
+/* Check for a traditional PGP message in body B. */
+int crypt_pgp_check_traditional (FILE * fp, BODY * b, int tagged_only);
+
+/* fixme: needs documentation. */
+BODY *crypt_pgp_traditional_encryptsign (BODY * a, int flags, char *keylist);
+
+/* Release the PGP key KPP (note, that we pass a pointer to it). */
+void crypt_pgp_free_key (pgp_key_t * kpp);
+
+/* Generate a PGP public key attachment. */
+BODY *crypt_pgp_make_key_attachment (char *tempf);
+
+/* This routine attempts to find the keyids of the recipients of a
+ message. It returns NULL if any of the keys can not be found. */
+char *crypt_pgp_findkeys (address_t * to, address_t * cc, address_t * bcc);
+
+/* Create a new body with a PGP signed message from A. */
+BODY *crypt_pgp_sign_message (BODY * a);
+
+/* Warning: A is no longer freed in this routine, you need to free it
+ later. This is necessary for $fcc_attach. */
+BODY *crypt_pgp_encrypt_message (BODY * a, char *keylist, int sign);
+
+/* Invoke the PGP command to import a key. */
+void crypt_pgp_invoke_import (const char *fname);
+
+int crypt_pgp_send_menu (HEADER * msg, int *redraw);
+
+/* fixme: needs documentation */
+int crypt_pgp_verify_one (BODY * sigbdy, STATE * s, const char *tempf);
+
+/* Access the keyID in K. */
+char *crypt_pgp_keyid (pgp_key_t k);
+
+/* fixme: needs documentation */
+void crypt_pgp_extract_keys_from_attachment_list (FILE * fp, int tag,
+ BODY * top);
+
+
+
+
+
+/* Silently forget about a passphrase. */
+void crypt_smime_void_passphrase (void);
+
+int crypt_smime_valid_passphrase (void);
+
+/* Decrypt an S/MIME message. */
+int crypt_smime_decrypt_mime (FILE * a, FILE ** b, BODY * c, BODY ** d);
+
+/* MIME handler for the application/smime content-type. */
+int crypt_smime_application_smime_handler (BODY * m, STATE * s);
+
+/* fixme: Needs documentation. */
+void crypt_smime_getkeys (ENVELOPE * env);
+
+/* Check that the sender matches. */
+int crypt_smime_verify_sender (HEADER * h);
+
+/* Ask for an SMIME key. */
+char *crypt_smime_ask_for_key (char *prompt, char *mailbox, short public);
+
+/* This routine attempts to find the keyids of the recipients of a
+ message. It returns NULL if any of the keys can not be found. */
+char *crypt_smime_findkeys (address_t * to, address_t * cc, address_t * bcc);
+
+/* fixme: Needs documentation. */
+BODY *crypt_smime_sign_message (BODY * a);
+
+/* fixme: needs documentation. */
+BODY *crypt_smime_build_smime_entity (BODY * a, char *certlist);
+
+/* Add a certificate and update index file (externally). */
+void crypt_smime_invoke_import (char *infile, char *mailbox);
+
+int crypt_smime_send_menu (HEADER * msg, int *redraw);
+
+/* fixme: needs documentation */
+int crypt_smime_verify_one (BODY * sigbdy, STATE * s, const char *tempf);
+
+void crypt_init (void);
+
+#endif /*MUTT_CRYPT_H */
projects / apps / madmutt.git / blobdiff