module.c File Reference

Definition of the Ncrypt Module. More...

#include "config.h"
#include <stdbool.h>
#include <stddef.h>
#include "config/lib.h"
#include "core/lib.h"

Include dependency graph for module.c:

Go to the source code of this file.

Functions
static bool	ncrypt_config_define_variables (struct NeoMutt *n, struct ConfigSet *cs)
	Define the Config Variables - Implements Module::config_define_variables()

Variables
struct ConfigDef	NcryptVars []
	Config definitions for the encryption library.
struct ConfigDef	NcryptVarsGpgme []
	GPGME Config definitions for the encryption library.
struct ConfigDef	NcryptVarsPgp []
	PGP Config definitions for the encryption library.
struct ConfigDef	NcryptVarsSmime []
	SMIME Config definitions for the encryption library.
const struct Module	ModuleNcrypt
	Module for the Ncrypt library.

Detailed Description

Definition of the Ncrypt Module.

Authors

• Richard Russon

Copyright

This program 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.

This program 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 http://www.gnu.org/licenses/.

Definition in file module.c.

Function Documentation

ncrypt_config_define_variables()

static bool ncrypt_config_define_variables ( struct NeoMutt * n, struct ConfigSet * cs )

static

Define the Config Variables - Implements Module::config_define_variables()

Definition at line 43 of file module.c.

{
  bool rc = true;
 
  rc &= cs_register_variables(cs, NcryptVars);
 
#if defined(CRYPT_BACKEND_GPGME)
  rc &= cs_register_variables(cs, NcryptVarsGpgme);
#endif
 
#if defined(CRYPT_BACKEND_CLASSIC_PGP)
  rc &= cs_register_variables(cs, NcryptVarsPgp);
#endif
 
#if defined(CRYPT_BACKEND_CLASSIC_SMIME)
  rc &= cs_register_variables(cs, NcryptVarsSmime);
#endif
 
  return rc;
}

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Variable Documentation

NcryptVars

struct ConfigDef NcryptVars[]

extern

Config definitions for the encryption library.

Definition at line 110 of file config.c.

                                {
  // clang-format off
  { "crypt_confirm_hook", DT_BOOL, true, 0, NULL,
    "Prompt the user to confirm keys before use"
  },
  { "crypt_opportunistic_encrypt", DT_BOOL, false, 0, NULL,
    "Enable encryption when the recipient's key is available"
  },
  { "crypt_opportunistic_encrypt_strong_keys", DT_BOOL, false, 0, NULL,
    "Enable encryption only when strong a key is available"
  },
  { "crypt_protected_headers_read", DT_BOOL, true, 0, NULL,
    "Display protected headers (Memory Hole) in the pager"
  },
  { "crypt_protected_headers_subject", DT_STRING, IP "...", 0, NULL,
    "Use this as the subject for encrypted emails"
  },
  { "crypt_protected_headers_weed", DT_BOOL, false, 0, NULL,
    "Controls whether NeoMutt will weed protected header fields"
  },
  { "crypt_protected_headers_write", DT_BOOL, true, 0, NULL,
    "Generate protected header (Memory Hole) for signed and encrypted emails"
  },
  { "crypt_encryption_info", DT_BOOL, true, 0, NULL,
    "Add an informative block with details about the encryption"
  },
  { "crypt_timestamp", DT_BOOL, true, 0, NULL,
    "Add a timestamp to PGP or SMIME output to prevent spoofing"
  },
  { "envelope_from_address", DT_ADDRESS, 0, 0, NULL,
    "Manually set the sender for outgoing messages"
  },
  { "pgp_auto_inline", DT_BOOL, false, 0, NULL,
    "Use old-style inline PGP messages (not recommended)"
  },
  { "pgp_default_key", DT_STRING, 0, 0, NULL,
    "Default key to use for PGP operations"
  },
  { "pgp_entry_format", DT_EXPANDO|D_NOT_EMPTY, IP "%4n %t%f %4l/0x%k %-4a %2c %u", IP &PgpEntryFormatDef, NULL,
    "printf-like format string for the PGP key selection menu"
  },
  { "pgp_ignore_subkeys", DT_BOOL, true, 0, NULL,
    "Only use the principal PGP key"
  },
  { "pgp_long_ids", DT_BOOL, true, 0, NULL,
    "Display long PGP key IDs to the user"
  },
  { "pgp_mime_auto", DT_QUAD, MUTT_ASKYES, 0, NULL,
    "Prompt the user to use MIME if inline PGP fails"
  },
  { "pgp_retainable_sigs", DT_BOOL, false, 0, NULL,
    "Create nested multipart/signed or encrypted messages"
  },
  { "pgp_self_encrypt", DT_BOOL, true, 0, NULL,
    "Encrypted messages will also be encrypted to $pgp_default_key too"
  },
  { "pgp_show_unusable", DT_BOOL, true, 0, NULL,
    "Show non-usable keys in the key selection"
  },
  { "pgp_sign_as", DT_STRING, 0, 0, NULL,
    "Use this alternative key for signing messages"
  },
  { "pgp_key_sort", DT_SORT|D_SORT_REVERSE, KEY_SORT_ADDRESS, IP KeySortMethods, NULL,
    "Sort order for PGP keys"
  },
  { "pgp_strict_enc", DT_BOOL, true, 0, NULL,
    "Encode PGP signed messages with quoted-printable (don't unset)"
  },
  { "smime_default_key", DT_STRING, 0, 0, NULL,
    "Default key for SMIME operations"
  },
  { "smime_encrypt_with", DT_STRING, IP "aes256", 0, NULL,
    "Algorithm for encryption"
  },
  { "smime_self_encrypt", DT_BOOL, true, 0, NULL,
    "Encrypted messages will also be encrypt to $smime_default_key too"
  },
  { "smime_sign_as", DT_STRING, 0, 0, NULL,
    "Use this alternative key for signing messages"
  },
  { "smime_is_default", DT_BOOL, false, 0, NULL,
    "Use SMIME rather than PGP by default"
  },
  { "pgp_auto_decode", DT_BOOL, false, 0, NULL,
    "Automatically decrypt PGP messages"
  },
  { "crypt_verify_sig", DT_QUAD, MUTT_YES, 0, NULL,
    "Verify PGP or SMIME signatures"
  },
  { "crypt_protected_headers_save", DT_BOOL, false, 0, NULL,
    "Save the cleartext Subject with the headers"
  },
 
  { "crypt_confirmhook",      DT_SYNONYM, IP "crypt_confirm_hook", IP "2021-02-11" },
  { "pgp_autoinline",         DT_SYNONYM, IP "pgp_auto_inline",    IP "2021-02-11" },
  { "pgp_create_traditional", DT_SYNONYM, IP "pgp_auto_inline",    IP "2004-04-12" },
  { "pgp_self_encrypt_as",    DT_SYNONYM, IP "pgp_default_key",    IP "2018-01-11" },
  { "pgp_sort_keys",          DT_SYNONYM, IP "pgp_key_sort",       IP "2024-11-20" },
  { "pgp_verify_sig",         DT_SYNONYM, IP "crypt_verify_sig",   IP "2002-01-24" },
  { "smime_self_encrypt_as",  DT_SYNONYM, IP "smime_default_key",  IP "2018-01-11" },
 
  { "pgp_encrypt_self",   D_INTERNAL_DEPRECATED|DT_QUAD, 0, IP "2019-09-09" },
  { "smime_encrypt_self", D_INTERNAL_DEPRECATED|DT_QUAD, 0, IP "2019-09-09" },
 
  { NULL },
  // clang-format on
};

NcryptVarsGpgme

struct ConfigDef NcryptVarsGpgme[]

extern

GPGME Config definitions for the encryption library.

Definition at line 222 of file config.c.

                                     {
  // clang-format off
  { "crypt_use_gpgme", DT_BOOL|D_ON_STARTUP, true, 0, NULL,
    "Use GPGME crypto backend"
  },
  { "crypt_use_pka", DT_BOOL, false, 0, NULL,
    "Use GPGME to use PKA (lookup PGP keys using DNS)"
  },
  { NULL },
  // clang-format on
};

NcryptVarsPgp

struct ConfigDef NcryptVarsPgp[]

extern

PGP Config definitions for the encryption library.

Definition at line 301 of file config.c.

                                   {
  // clang-format off
  { "pgp_check_exit", DT_BOOL, true, 0, NULL,
    "Check the exit code of PGP subprocess"
  },
  { "pgp_check_gpg_decrypt_status_fd", DT_BOOL, true, 0, NULL,
    "File descriptor used for status info"
  },
  { "pgp_clear_sign_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to inline-sign a message"
  },
  { "pgp_decode_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to decode a PGP attachment"
  },
  { "pgp_decrypt_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to decrypt a PGP message"
  },
  { "pgp_decryption_okay", DT_REGEX, 0, 0, NULL,
    "Text indicating a successful decryption"
  },
  { "pgp_encrypt_only_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to encrypt, but not sign a message"
  },
  { "pgp_encrypt_sign_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to encrypt and sign a message"
  },
  { "pgp_export_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to export a public key from the user's keyring"
  },
  { "pgp_get_keys_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to download a key for an email address"
  },
  { "pgp_good_sign", DT_REGEX, 0, 0, NULL,
    "Text indicating a good signature"
  },
  { "pgp_import_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to import a key into the user's keyring"
  },
  { "pgp_list_pubring_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to list the public keys in a user's keyring"
  },
  { "pgp_list_secring_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to list the private keys in a user's keyring"
  },
  { "pgp_sign_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to create a detached PGP signature"
  },
  { "pgp_timeout", DT_LONG|D_INTEGER_NOT_NEGATIVE, 300, 0, NULL,
    "Time in seconds to cache a passphrase"
  },
  { "pgp_use_gpg_agent", DT_BOOL, true, 0, NULL,
    "Use a PGP agent for caching passwords"
  },
  { "pgp_verify_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to verify PGP signatures"
  },
  { "pgp_verify_key_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &PgpCommandFormatDef, NULL,
    "(pgp) External command to verify key information"
  },
  { "pgp_clearsign_command",  DT_SYNONYM, IP "pgp_clear_sign_command", IP "2021-02-11" },
  { "pgp_getkeys_command",    DT_SYNONYM, IP "pgp_get_keys_command",   IP "2021-02-11" },
  { NULL },
  // clang-format on
};

NcryptVarsSmime

struct ConfigDef NcryptVarsSmime[]

extern

SMIME Config definitions for the encryption library.

Definition at line 371 of file config.c.

                                     {
  // clang-format off
  { "smime_ask_cert_label", DT_BOOL, true, 0, NULL,
    "Prompt the user for a label for SMIME certificates"
  },
  { "smime_ca_location", DT_PATH|D_PATH_FILE, 0, 0, NULL,
    "File containing trusted certificates"
  },
  { "smime_certificates", DT_PATH|D_PATH_DIR, 0, 0, NULL,
    "File containing user's public certificates"
  },
  { "smime_decrypt_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to decrypt an SMIME message"
  },
  { "smime_decrypt_use_default_key", DT_BOOL, true, 0, NULL,
    "Use the default key for decryption"
  },
  { "smime_encrypt_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to encrypt a message"
  },
  { "smime_get_cert_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to extract a certificate from a message"
  },
  { "smime_get_cert_email_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to get a certificate for an email"
  },
  { "smime_get_signer_cert_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to extract a certificate from an email"
  },
  { "smime_import_cert_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to import a certificate"
  },
  { "smime_keys", DT_PATH|D_PATH_DIR, 0, 0, NULL,
    "File containing user's private certificates"
  },
  { "smime_pk7out_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to extract a public certificate"
  },
  { "smime_sign_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to sign a message"
  },
  { "smime_sign_digest_alg", DT_STRING, IP "sha256", 0, NULL,
    "Digest algorithm"
  },
  { "smime_timeout", DT_NUMBER|D_INTEGER_NOT_NEGATIVE, 300, 0, NULL,
    "Time in seconds to cache a passphrase"
  },
  { "smime_verify_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to verify a signed message"
  },
  { "smime_verify_opaque_command", DT_EXPANDO|D_STRING_COMMAND, 0, IP &SmimeCommandFormatDef, NULL,
    "(smime) External command to verify a signature"
  },
  { NULL },
  // clang-format on
};

ModuleNcrypt

const struct Module ModuleNcrypt

Initial value:

= {
  MODULE_ID_NCRYPT,
  "ncrypt",
  NULL, 
  NULL, 
  ncrypt_config_define_variables,
  NULL, 
  NULL, 
  NULL, 
  NULL, 
}

Module for the Ncrypt library.

Definition at line 67 of file module.c.

                                   {
  MODULE_ID_NCRYPT,
  "ncrypt",
  NULL, // init
  NULL, // config_define_types
  ncrypt_config_define_variables,
  NULL, // commands_register
  NULL, // gui_init
  NULL, // gui_cleanup
  NULL, // cleanup
};