[PATCH v3 5/6] cli: new crypto verify flag to handle verification

diff --git a/91/92c6365708612fcd0802e4177695908d4048d5 b/91/92c6365708612fcd0802e4177695908d4048d5
new file mode 100644 (file)
index 0000000..2768c03
--- /dev/null
+++ b/91/92c6365708612fcd0802e4177695908d4048d5
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+From: Jameson Graef Rollins <jrollins@finestructure.net>\r
+To: Notmuch Mail <notmuch@notmuchmail.org>\r
+Subject: [PATCH v3 5/6] cli: new crypto verify flag to handle verification\r
+Date: Tue, 22 May 2012 18:43:49 -0700\r
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+\r
+Use this flag rather than depend on the existence of an initialized\r
+gpgctx, to determine whether we should verify a multipart/signed.  We\r
+will be moving to create the ctx lazily, so we don't want to depend on\r
+it being previously initialized if it's not needed.\r
+---\r
+ mime-node.c      |    5 ++---\r
+ notmuch-client.h |    8 ++++----\r
+ notmuch-reply.c  |    1 +\r
+ notmuch-show.c   |   14 +++++++++++---\r
+ 4 files changed, 18 insertions(+), 10 deletions(-)\r
+\r
+diff --git a/mime-node.c b/mime-node.c\r
+index a838224..73e28c5 100644\r
+--- a/mime-node.c\r
++++ b/mime-node.c\r
+@@ -183,8 +183,7 @@ _mime_node_create (mime_node_t *parent, GMimeObject *part)\r
+     }\r
+ \r
+     /* Handle PGP/MIME parts */\r
+-    if (GMIME_IS_MULTIPART_ENCRYPTED (part)\r
+-      && node->ctx->crypto->gpgctx && node->ctx->crypto->decrypt) {\r
++    if (GMIME_IS_MULTIPART_ENCRYPTED (part) && node->ctx->crypto->decrypt) {\r
+       if (node->nchildren != 2) {\r
+           /* this violates RFC 3156 section 4, so we won't bother with it. */\r
+           fprintf (stderr, "Error: %d part(s) for a multipart/encrypted "\r
+@@ -218,7 +217,7 @@ _mime_node_create (mime_node_t *parent, GMimeObject *part)\r
+                        (err ? err->message : "no error explanation given"));\r
+           }\r
+       }\r
+-    } else if (GMIME_IS_MULTIPART_SIGNED (part) && node->ctx->crypto->gpgctx) {\r
++    } else if (GMIME_IS_MULTIPART_SIGNED (part) && node->ctx->crypto->verify) {\r
+       if (node->nchildren != 2) {\r
+           /* this violates RFC 3156 section 5, so we won't bother with it. */\r
+           fprintf (stderr, "Error: %d part(s) for a multipart/signed message "\r
+diff --git a/notmuch-client.h b/notmuch-client.h\r
+index 94af8f7..db1c347 100644\r
+--- a/notmuch-client.h\r
++++ b/notmuch-client.h\r
+@@ -80,6 +80,7 @@ typedef struct notmuch_crypto {\r
+ #else\r
+     GMimeCipherContext* gpgctx;\r
+ #endif\r
++    notmuch_bool_t verify;\r
+     notmuch_bool_t decrypt;\r
+ } notmuch_crypto_t;\r
+ \r
+@@ -351,10 +352,9 @@ struct mime_node {\r
+ };\r
+ \r
+ /* Construct a new MIME node pointing to the root message part of\r
+- * message.  If crypto->gpgctx is non-NULL, it will be used to verify\r
+- * signatures on any child parts.  If crypto->decrypt is true, then\r
+- * crypto.gpgctx will additionally be used to decrypt any encrypted\r
+- * child parts.\r
++ * message. If crypto->verify is true, signed child parts will be\r
++ * verified. If crypto->decrypt is true, encrypted child parts will be\r
++ * decrypted.\r
+  *\r
+  * Return value:\r
+  *\r
+diff --git a/notmuch-reply.c b/notmuch-reply.c\r
+index 148152c..e4f293f 100644\r
+--- a/notmuch-reply.c\r
++++ b/notmuch-reply.c\r
+@@ -676,6 +676,7 @@ notmuch_reply_command (void *ctx, int argc, char *argv[])\r
+     notmuch_show_params_t params = {\r
+       .part = -1,\r
+       .crypto = {\r
++          .verify = FALSE,\r
+           .decrypt = FALSE\r
+       }\r
+     };\r
+diff --git a/notmuch-show.c b/notmuch-show.c\r
+index fb5e9b6..3c06792 100644\r
+--- a/notmuch-show.c\r
++++ b/notmuch-show.c\r
+@@ -987,11 +987,11 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))\r
+       .part = -1,\r
+       .omit_excluded = TRUE,\r
+       .crypto = {\r
++          .verify = FALSE,\r
+           .decrypt = FALSE\r
+       }\r
+     };\r
+     int format_sel = NOTMUCH_FORMAT_NOT_SPECIFIED;\r
+-    notmuch_bool_t verify = FALSE;\r
+     int exclude = EXCLUDE_TRUE;\r
+ \r
+     notmuch_opt_desc_t options[] = {\r
+@@ -1008,7 +1008,7 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))\r
+       { NOTMUCH_OPT_INT, &params.part, "part", 'p', 0 },\r
+       { NOTMUCH_OPT_BOOLEAN, &params.entire_thread, "entire-thread", 't', 0 },\r
+       { NOTMUCH_OPT_BOOLEAN, &params.crypto.decrypt, "decrypt", 'd', 0 },\r
+-      { NOTMUCH_OPT_BOOLEAN, &verify, "verify", 'v', 0 },\r
++      { NOTMUCH_OPT_BOOLEAN, &params.crypto.verify, "verify", 'v', 0 },\r
+       { 0, 0, 0, 0, 0 }\r
+     };\r
+ \r
+@@ -1018,6 +1018,10 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))\r
+       return 1;\r
+     }\r
+ \r
++    /* decryption implies verification */\r
++    if (params.crypto.decrypt)\r
++      params.crypto.verify = TRUE;\r
++\r
+     if (format_sel == NOTMUCH_FORMAT_NOT_SPECIFIED) {\r
+       /* if part was requested and format was not specified, use format=raw */\r
+       if (params.part >= 0)\r
+@@ -1052,7 +1056,7 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))\r
+       break;\r
+     }\r
+ \r
+-    if (params.crypto.decrypt || verify) {\r
++    if (params.crypto.decrypt || params.crypto.verify) {\r
+ #ifdef GMIME_ATLEAST_26\r
+       /* TODO: GMimePasswordRequestFunc */\r
+       params.crypto.gpgctx = g_mime_gpg_context_new (NULL, "gpg");\r
+@@ -1063,6 +1067,10 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))\r
+       if (params.crypto.gpgctx) {\r
+           g_mime_gpg_context_set_always_trust ((GMimeGpgContext*) params.crypto.gpgctx, FALSE);\r
+       } else {\r
++          /* If we fail to create the gpgctx set the verify and\r
++           * decrypt flags to FALSE so we don't try to do any\r
++           * further verification or decryption */\r
++          params.crypto.verify = FALSE;\r
+           params.crypto.decrypt = FALSE;\r
+           fprintf (stderr, "Failed to construct gpg context.\n");\r
+       }\r
+-- \r
+1.7.10\r
+\r