X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=crypto.c;h=da0289dcf392db8b9277d0a9fa5dbca9bd3a2f86;hp=9736517f7f6d3ef633438f0c312e3b7d3873c668;hb=cb494f72f398bb0898030a1225f9ef6da557e959;hpb=8c6fd797952d38e03d46fd6b57bd6a1a63474de8 diff --git a/crypto.c b/crypto.c index 9736517f..da0289dc 100644 --- a/crypto.c +++ b/crypto.c @@ -20,18 +20,22 @@ #include "notmuch-client.h" -#ifdef GMIME_ATLEAST_26 - /* Create a GPG context (GMime 2.6) */ static notmuch_crypto_context_t * -create_gpg_context (void) +create_gpg_context (notmuch_crypto_t *crypto) { notmuch_crypto_context_t *gpgctx; + if (crypto->gpgctx) + return crypto->gpgctx; + /* TODO: GMimePasswordRequestFunc */ - gpgctx = g_mime_gpg_context_new (NULL, "gpg"); - if (! gpgctx) + gpgctx = g_mime_gpg_context_new (NULL, crypto->gpgpath ? crypto->gpgpath : "gpg"); + if (! gpgctx) { + fprintf (stderr, "Failed to construct gpg context.\n"); return NULL; + } + crypto->gpgctx = gpgctx; g_mime_gpg_context_set_use_agent ((GMimeGpgContext *) gpgctx, TRUE); g_mime_gpg_context_set_always_trust ((GMimeGpgContext *) gpgctx, FALSE); @@ -39,28 +43,19 @@ create_gpg_context (void) return gpgctx; } -#else /* GMIME_ATLEAST_26 */ - -/* Create a GPG context (GMime 2.4) */ -static notmuch_crypto_context_t * -create_gpg_context (void) -{ - GMimeSession *session; - notmuch_crypto_context_t *gpgctx; - - session = g_object_new (g_mime_session_get_type (), NULL); - gpgctx = g_mime_gpg_context_new (session, "gpg"); - g_object_unref (session); - - if (! gpgctx) - return NULL; - - g_mime_gpg_context_set_always_trust ((GMimeGpgContext *) gpgctx, FALSE); - - return gpgctx; -} - -#endif /* GMIME_ATLEAST_26 */ +static const struct { + const char *protocol; + notmuch_crypto_context_t *(*get_context) (notmuch_crypto_t *crypto); +} protocols[] = { + { + .protocol = "application/pgp-signature", + .get_context = create_gpg_context, + }, + { + .protocol = "application/pgp-encrypted", + .get_context = create_gpg_context, + }, +}; /* for the specified protocol return the context pointer (initializing * if needed) */ @@ -68,6 +63,12 @@ notmuch_crypto_context_t * notmuch_crypto_get_context (notmuch_crypto_t *crypto, const char *protocol) { notmuch_crypto_context_t *cryptoctx = NULL; + size_t i; + + if (! protocol) { + fprintf (stderr, "Cryptographic protocol is empty.\n"); + return cryptoctx; + } /* As per RFC 1847 section 2.1: "the [protocol] value token is * comprised of the type and sub-type tokens of the Content-Type". @@ -75,19 +76,14 @@ notmuch_crypto_get_context (notmuch_crypto_t *crypto, const char *protocol) * parameter names as defined in this document are * case-insensitive." Thus, we use strcasecmp for the protocol. */ - if (strcasecmp (protocol, "application/pgp-signature") == 0 || - strcasecmp (protocol, "application/pgp-encrypted") == 0) { - if (! crypto->gpgctx) { - crypto->gpgctx = create_gpg_context (); - if (! crypto->gpgctx) - fprintf (stderr, "Failed to construct gpg context.\n"); - } - cryptoctx = crypto->gpgctx; - } else { - fprintf (stderr, "Unknown or unsupported cryptographic protocol.\n"); + for (i = 0; i < ARRAY_SIZE (protocols); i++) { + if (strcasecmp (protocol, protocols[i].protocol) == 0) + return protocols[i].get_context (crypto); } - return cryptoctx; + fprintf (stderr, "Unknown or unsupported cryptographic protocol.\n"); + + return NULL; } int