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authorJeffrey Stedfast <fejj@helixcode.com>2000-08-28 06:13:43 +0800
committerJeffrey Stedfast <fejj@src.gnome.org>2000-08-28 06:13:43 +0800
commit2831015fa1dafabf1246755513c18df4101d3414 (patch)
tree07ef122d581f62405eab4de674df7dca025f5732 /mail/mail-crypto.c
parentb3a5afcf5b8b9c05e1763df68a2746bac38b464b (diff)
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New crypto function to clearsign plaintext
2000-08-27 Jeffrey Stedfast <fejj@helixcode.com> * mail-crypto.c (mail_crypto_openpgp_clearsign): New crypto function to clearsign plaintext svn path=/trunk/; revision=5068
Diffstat (limited to 'mail/mail-crypto.c')
-rw-r--r--mail/mail-crypto.c130
1 files changed, 126 insertions, 4 deletions
diff --git a/mail/mail-crypto.c b/mail/mail-crypto.c
index dc8242dbc3..bb9ae5f7e0 100644
--- a/mail/mail-crypto.c
+++ b/mail/mail-crypto.c
@@ -324,6 +324,13 @@ crypto_exec_with_passwd (char *path, char *argv[], const char *input,
* Public crypto functions
*----------------------------------------------------------------------*/
+/**
+ * mail_crypto_openpgp_decrypt: pgp decrypt ciphertext
+ * @ciphertext: ciphertext to decrypt
+ * @ex: a CamelException
+ *
+ * Decrypts the ciphertext
+ **/
char *
mail_crypto_openpgp_decrypt (const char *ciphertext, CamelException *ex)
@@ -412,8 +419,7 @@ mail_crypto_openpgp_decrypt (const char *ciphertext, CamelException *ex)
* @sign: TRUE if you wish to sign the encrypted text as well, FALSE otherwise
* @ex: a CamelException
*
- * Initalizes the folder by setting the parent store, parent folder,
- * and name.
+ * Encrypts the plaintext to the list of recipients and optionally signs
**/
char *
@@ -423,7 +429,7 @@ mail_crypto_openpgp_encrypt (const char *plaintext,
{
GPtrArray *recipient_list = NULL;
int retval, i, r;
- char *path, *argv[12];
+ char *path, *argv[15];
char *passphrase = NULL, *ciphertext = NULL, *diagnostics = NULL;
int passwd_fds[2];
char passwd_fd[32];
@@ -564,7 +570,123 @@ mail_crypto_openpgp_encrypt (const char *plaintext,
return ciphertext;
}
-#endif /* PGP_PROGRAM */
+/**
+ * mail_crypto_openpgp_clearsign: pgp clearsign plaintext
+ * @plaintext: text to sign
+ * @userid: user id to sign with
+ * @ex: a CamelException
+ *
+ * Clearsigns the plaintext using the user id
+ **/
+char *
+mail_crypto_openpgp_clearsign (const char *plaintext, const char *userid,
+ CamelException *ex)
+{
+ int retval;
+ char *path, *argv[20];
+ int i;
+ char *passphrase;
+ char *ciphertext = NULL;
+ char *diagnostics = NULL;
+ int passwd_fds[2];
+ char passwd_fd[32];
+
+#ifndef PGP_PROGRAM
+ camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
+ _("No GPG/PGP program available."));
+ return NULL;
+#endif
+ passphrase = mail_request_dialog (_("Please enter your PGP/GPG passphrase."),
+ TRUE, "pgp", FALSE);
+
+ if (!passphrase) {
+ camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM,
+ _("No password provided."));
+ return NULL;
+ }
+
+ if (pipe (passwd_fds) < 0) {
+ camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
+ _("Couldn't create pipe to GPG/PGP: %s"),
+ g_strerror (errno));
+ return NULL;
+ }
+
+ i = 0;
+#if defined(GPG_PATH)
+ path = GPG_PATH;
+
+ argv[i++] = "gpg";
+
+ argv[i++] = "--clearsign";
+
+ if (userid) {
+ argv[i++] = "-u";
+ argv[i++] = (char *) userid;
+ }
+
+ argv[i++] = "--verbose";
+ argv[i++] = "--yes";
+ argv[i++] = "--batch";
+
+ argv[i++] = "--armor";
+
+ argv[i++] = "--output";
+ argv[i++] = "-"; /* output to stdout */
+
+ argv[i++] = "--passphrase-fd";
+ sprintf (passwd_fd, "%d", passwd_fds[0]);
+ argv[i++] = passwd_fd;
+#elif defined(PGP5_PATH)
+ path = PGP5_PATH;
+
+ argv[i++] = "pgps";
+
+ if (userid) {
+ argv[i++] = "-u";
+ argv[i++] = (char *) userid;
+ }
+
+ argv[i++] = "-f";
+ argv[i++] = "-z";
+ argv[i++] = "-a";
+ argv[i++] = "-o";
+ argv[i++] = "-"; /* output to stdout */
+
+ argv[i++] = "-s";
+ sprintf (passwd_fd, "PGPPASSFD=%d", passwd_fds[0]);
+ putenv (passwd_fd);
+#else
+ path = PGP_PATH;
+ argv[i++] = "pgp";
+ argv[i++] = "-f";
+ argv[i++] = "-e";
+ argv[i++] = "-a";
+ argv[i++] = "-o";
+ argv[i++] = "-";
+
+ argv[i++] = "-s";
+ sprintf (passwd_fd, "PGPPASSFD=%d", passwd_fds[0]);
+ putenv (passwd_fd);
+#endif
+ argv[i++] = NULL;
+
+ retval = crypto_exec_with_passwd (path, argv, plaintext, passwd_fds,
+ passphrase, &ciphertext,
+ &diagnostics);
+
+ if (retval != 0 || !*ciphertext) {
+ camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
+ "%s", diagnostics);
+ g_free (ciphertext);
+ ciphertext = NULL;
+ }
+
+ g_free (diagnostics);
+ return ciphertext;
+}
+
+#endif /* PGP_PROGRAM */