/* notmuch - Not much of an email program, (just index and search) * * Copyright © 2009 Carl Worth * * 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 3 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 https://www.gnu.org/licenses/ . * * Author: Carl Worth */ #include "notmuch-client.h" #include "gmime-filter-reply.h" #include "sprinter.h" #include "zlib-extra.h" static const char * _get_tags_as_string (const void *ctx, notmuch_message_t *message) { notmuch_tags_t *tags; int first = 1; const char *tag; char *result; result = talloc_strdup (ctx, ""); if (result == NULL) return NULL; for (tags = notmuch_message_get_tags (message); notmuch_tags_valid (tags); notmuch_tags_move_to_next (tags)) { tag = notmuch_tags_get (tags); result = talloc_asprintf_append (result, "%s%s", first ? "" : " ", tag); first = 0; } return result; } /* Get a nice, single-line summary of message. */ static const char * _get_one_line_summary (const void *ctx, notmuch_message_t *message) { const char *from; time_t date; const char *relative_date; const char *tags; from = notmuch_message_get_header (message, "from"); date = notmuch_message_get_date (message); relative_date = notmuch_time_relative_date (ctx, date); tags = _get_tags_as_string (ctx, message); return talloc_asprintf (ctx, "%s (%s) (%s)", from, relative_date, tags); } static const char * _get_disposition (GMimeObject *meta) { GMimeContentDisposition *disposition; disposition = g_mime_object_get_content_disposition (meta); if (! disposition) return NULL; return g_mime_content_disposition_get_disposition (disposition); } static bool _get_message_flag (notmuch_message_t *message, notmuch_message_flag_t flag) { notmuch_bool_t is_set; notmuch_status_t status; status = notmuch_message_get_flag_st (message, flag, &is_set); if (print_status_message ("notmuch show", message, status)) INTERNAL_ERROR ("unexpected error getting message flag\n"); return is_set; } /* Emit a sequence of key/value pairs for the metadata of message. * The caller should begin a map before calling this. */ static void format_message_sprinter (sprinter_t *sp, notmuch_message_t *message) { /* Any changes to the JSON or S-Expression format should be * reflected in the file devel/schemata. */ void *local = talloc_new (NULL); notmuch_tags_t *tags; time_t date; const char *relative_date; sp->map_key (sp, "id"); sp->string (sp, notmuch_message_get_message_id (message)); sp->map_key (sp, "match"); sp->boolean (sp, _get_message_flag (message, NOTMUCH_MESSAGE_FLAG_MATCH)); sp->map_key (sp, "excluded"); sp->boolean (sp, _get_message_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED)); sp->map_key (sp, "filename"); if (notmuch_format_version >= 3) { notmuch_filenames_t *filenames; sp->begin_list (sp); for (filenames = notmuch_message_get_filenames (message); notmuch_filenames_valid (filenames); notmuch_filenames_move_to_next (filenames)) { sp->string (sp, notmuch_filenames_get (filenames)); } notmuch_filenames_destroy (filenames); sp->end (sp); } else { sp->string (sp, notmuch_message_get_filename (message)); } sp->map_key (sp, "timestamp"); date = notmuch_message_get_date (message); sp->integer (sp, date); sp->map_key (sp, "date_relative"); relative_date = notmuch_time_relative_date (local, date); sp->string (sp, relative_date); sp->map_key (sp, "tags"); sp->begin_list (sp); for (tags = notmuch_message_get_tags (message); notmuch_tags_valid (tags); notmuch_tags_move_to_next (tags)) sp->string (sp, notmuch_tags_get (tags)); sp->end (sp); talloc_free (local); } /* Extract just the email address from the contents of a From: * header. */ static const char * _extract_email_address (const void *ctx, const char *from) { InternetAddressList *addresses; InternetAddress *address; InternetAddressMailbox *mailbox; const char *email = "MAILER-DAEMON"; addresses = internet_address_list_parse (NULL, from); /* Bail if there is no address here. */ if (addresses == NULL || internet_address_list_length (addresses) < 1) goto DONE; /* Otherwise, just use the first address. */ address = internet_address_list_get_address (addresses, 0); /* The From header should never contain an address group rather * than a mailbox. So bail if it does. */ if (! INTERNET_ADDRESS_IS_MAILBOX (address)) goto DONE; mailbox = INTERNET_ADDRESS_MAILBOX (address); email = internet_address_mailbox_get_addr (mailbox); email = talloc_strdup (ctx, email); DONE: if (addresses) g_object_unref (addresses); return email; } /* Return 1 if 'line' is an mbox From_ line---that is, a line * beginning with zero or more '>' characters followed by the * characters 'F', 'r', 'o', 'm', and space. * * Any characters at all may appear after that in the line. */ static int _is_from_line (const char *line) { const char *s = line; if (line == NULL) return 0; while (*s == '>') s++; if (STRNCMP_LITERAL (s, "From ") == 0) return 1; else return 0; } void format_headers_sprinter (sprinter_t *sp, GMimeMessage *message, bool reply, const _notmuch_message_crypto_t *msg_crypto) { /* Any changes to the JSON or S-Expression format should be * reflected in the file devel/schemata. */ char *recipients_string; const char *reply_to_string; void *local = talloc_new (sp); sp->begin_map (sp); sp->map_key (sp, "Subject"); if (msg_crypto && msg_crypto->payload_subject) { sp->string (sp, msg_crypto->payload_subject); } else sp->string (sp, g_mime_message_get_subject (message)); sp->map_key (sp, "From"); sp->string (sp, g_mime_message_get_from_string (message)); recipients_string = g_mime_message_get_address_string (message, GMIME_ADDRESS_TYPE_TO); if (recipients_string) { sp->map_key (sp, "To"); sp->string (sp, recipients_string); g_free (recipients_string); } recipients_string = g_mime_message_get_address_string (message, GMIME_ADDRESS_TYPE_CC); if (recipients_string) { sp->map_key (sp, "Cc"); sp->string (sp, recipients_string); g_free (recipients_string); } recipients_string = g_mime_message_get_address_string (message, GMIME_ADDRESS_TYPE_BCC); if (recipients_string) { sp->map_key (sp, "Bcc"); sp->string (sp, recipients_string); g_free (recipients_string); } reply_to_string = g_mime_message_get_reply_to_string (local, message); if (reply_to_string) { sp->map_key (sp, "Reply-To"); sp->string (sp, reply_to_string); } if (reply) { sp->map_key (sp, "In-reply-to"); sp->string (sp, g_mime_object_get_header (GMIME_OBJECT (message), "In-reply-to")); sp->map_key (sp, "References"); sp->string (sp, g_mime_object_get_header (GMIME_OBJECT (message), "References")); } else { sp->map_key (sp, "Date"); sp->string (sp, g_mime_message_get_date_string (sp, message)); } sp->end (sp); talloc_free (local); } /* Write a MIME text part out to the given stream. * * If (flags & NOTMUCH_SHOW_TEXT_PART_REPLY), this prepends "> " to * each output line. * * Both line-ending conversion (CRLF->LF) and charset conversion ( -> * UTF-8) will be performed, so it is inappropriate to call this * function with a non-text part. Doing so will trigger an internal * error. */ void show_text_part_content (GMimeObject *part, GMimeStream *stream_out, notmuch_show_text_part_flags flags) { GMimeContentType *content_type = g_mime_object_get_content_type (GMIME_OBJECT (part)); GMimeStream *stream_filter = NULL; GMimeFilter *crlf_filter = NULL; GMimeFilter *windows_filter = NULL; GMimeDataWrapper *wrapper; const char *charset; if (! g_mime_content_type_is_type (content_type, "text", "*")) INTERNAL_ERROR ("Illegal request to format non-text part (%s) as text.", g_mime_content_type_get_mime_type (content_type)); if (stream_out == NULL) return; charset = g_mime_object_get_content_type_parameter (part, "charset"); charset = charset ? g_mime_charset_canon_name (charset) : NULL; wrapper = g_mime_part_get_content (GMIME_PART (part)); if (wrapper && charset && ! g_ascii_strncasecmp (charset, "iso-8859-", 9)) { GMimeStream *null_stream = NULL; GMimeStream *null_stream_filter = NULL; /* Check for mislabeled Windows encoding */ null_stream = g_mime_stream_null_new (); null_stream_filter = g_mime_stream_filter_new (null_stream); windows_filter = g_mime_filter_windows_new (charset); g_mime_stream_filter_add (GMIME_STREAM_FILTER (null_stream_filter), windows_filter); g_mime_data_wrapper_write_to_stream (wrapper, null_stream_filter); charset = g_mime_filter_windows_real_charset ( (GMimeFilterWindows *) windows_filter); if (null_stream_filter) g_object_unref (null_stream_filter); if (null_stream) g_object_unref (null_stream); /* Keep a reference to windows_filter in order to prevent the * charset string from deallocation. */ } stream_filter = g_mime_stream_filter_new (stream_out); crlf_filter = g_mime_filter_dos2unix_new (false); g_mime_stream_filter_add (GMIME_STREAM_FILTER (stream_filter), crlf_filter); g_object_unref (crlf_filter); if (charset) { GMimeFilter *charset_filter; charset_filter = g_mime_filter_charset_new (charset, "UTF-8"); /* This result can be NULL for things like "unknown-8bit". * Don't set a NULL filter as that makes GMime print * annoying assertion-failure messages on stderr. */ if (charset_filter) { g_mime_stream_filter_add (GMIME_STREAM_FILTER (stream_filter), charset_filter); g_object_unref (charset_filter); } } if (flags & NOTMUCH_SHOW_TEXT_PART_REPLY) { GMimeFilter *reply_filter; reply_filter = g_mime_filter_reply_new (true); if (reply_filter) { g_mime_stream_filter_add (GMIME_STREAM_FILTER (stream_filter), reply_filter); g_object_unref (reply_filter); } } if (wrapper && stream_filter) g_mime_data_wrapper_write_to_stream (wrapper, stream_filter); if (stream_filter) g_object_unref (stream_filter); if (windows_filter) g_object_unref (windows_filter); } static const char * signature_status_to_string (GMimeSignatureStatus status) { if (g_mime_signature_status_bad (status)) return "bad"; if (g_mime_signature_status_error (status)) return "error"; if (g_mime_signature_status_good (status)) return "good"; return "unknown"; } /* Print signature flags */ struct key_map_struct { GMimeSignatureStatus bit; const char *string; }; static void do_format_signature_errors (sprinter_t *sp, struct key_map_struct *key_map, unsigned int array_map_len, GMimeSignatureStatus errors) { sp->map_key (sp, "errors"); sp->begin_map (sp); for (unsigned int i = 0; i < array_map_len; i++) { if (errors & key_map[i].bit) { sp->map_key (sp, key_map[i].string); sp->boolean (sp, true); } } sp->end (sp); } static void format_signature_errors (sprinter_t *sp, GMimeSignature *signature) { GMimeSignatureStatus errors = g_mime_signature_get_status (signature); if (! (errors & GMIME_SIGNATURE_STATUS_ERROR_MASK)) return; struct key_map_struct key_map[] = { { GMIME_SIGNATURE_STATUS_KEY_REVOKED, "key-revoked" }, { GMIME_SIGNATURE_STATUS_KEY_EXPIRED, "key-expired" }, { GMIME_SIGNATURE_STATUS_SIG_EXPIRED, "sig-expired" }, { GMIME_SIGNATURE_STATUS_KEY_MISSING, "key-missing" }, { GMIME_SIGNATURE_STATUS_CRL_MISSING, "crl-missing" }, { GMIME_SIGNATURE_STATUS_CRL_TOO_OLD, "crl-too-old" }, { GMIME_SIGNATURE_STATUS_BAD_POLICY, "bad-policy" }, { GMIME_SIGNATURE_STATUS_SYS_ERROR, "sys-error" }, { GMIME_SIGNATURE_STATUS_TOFU_CONFLICT, "tofu-conflict" }, }; do_format_signature_errors (sp, key_map, ARRAY_SIZE (key_map), errors); } /* Signature status sprinter */ static void format_part_sigstatus_sprinter (sprinter_t *sp, GMimeSignatureList *siglist) { /* Any changes to the JSON or S-Expression format should be * reflected in the file devel/schemata. */ sp->begin_list (sp); if (! siglist) { sp->end (sp); return; } int i; for (i = 0; i < g_mime_signature_list_length (siglist); i++) { GMimeSignature *signature = g_mime_signature_list_get_signature (siglist, i); sp->begin_map (sp); /* status */ GMimeSignatureStatus status = g_mime_signature_get_status (signature); sp->map_key (sp, "status"); sp->string (sp, signature_status_to_string (status)); GMimeCertificate *certificate = g_mime_signature_get_certificate (signature); if (g_mime_signature_status_good (status)) { if (certificate) { sp->map_key (sp, "fingerprint"); sp->string (sp, g_mime_certificate_get_fingerprint (certificate)); } /* these dates are seconds since the epoch; should we * provide a more human-readable format string? */ time_t created = g_mime_signature_get_created (signature); if (created != -1) { sp->map_key (sp, "created"); sp->integer (sp, created); } time_t expires = g_mime_signature_get_expires (signature); if (expires > 0) { sp->map_key (sp, "expires"); sp->integer (sp, expires); } if (certificate) { const char *uid = g_mime_certificate_get_valid_userid (certificate); if (uid) { sp->map_key (sp, "userid"); sp->string (sp, uid); } const char *email = g_mime_certificate_get_valid_email (certificate); if (email) { sp->map_key (sp, "email"); sp->string (sp, email); } } } else if (certificate) { const char *key_id = g_mime_certificate_get_fpr16 (certificate); if (key_id) { sp->map_key (sp, "keyid"); sp->string (sp, key_id); } } if (notmuch_format_version <= 3) { GMimeSignatureStatus errors = g_mime_signature_get_status (signature); if (g_mime_signature_status_error (errors)) { sp->map_key (sp, "errors"); sp->integer (sp, errors); } } else { format_signature_errors (sp, signature); } sp->end (sp); } sp->end (sp); } static notmuch_status_t format_part_text (const void *ctx, sprinter_t *sp, mime_node_t *node, int indent, const notmuch_show_params_t *params) { /* The disposition and content-type metadata are associated with * the envelope for message parts */ GMimeObject *meta = node->envelope_part ? ( GMIME_OBJECT (node->envelope_part) ) : node->part; GMimeContentType *content_type = g_mime_object_get_content_type (meta); const bool leaf = GMIME_IS_PART (node->part); GMimeStream *stream = params->out_stream; const char *part_type; int i; if (node->envelope_file) { notmuch_message_t *message = node->envelope_file; part_type = "message"; g_mime_stream_printf (stream, "\f%s{ id:%s depth:%d match:%d excluded:%d filename:%s\n", part_type, notmuch_message_get_message_id (message), indent, _get_message_flag (message, NOTMUCH_MESSAGE_FLAG_MATCH) ? 1 : 0, _get_message_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED) ? 1 : 0, notmuch_message_get_filename (message)); } else { char *content_string; const char *disposition = _get_disposition (meta); const char *cid = g_mime_object_get_content_id (meta); const char *filename = leaf ? ( g_mime_part_get_filename (GMIME_PART (node->part)) ) : NULL; if (disposition && strcasecmp (disposition, GMIME_DISPOSITION_ATTACHMENT) == 0) part_type = "attachment"; else part_type = "part"; g_mime_stream_printf (stream, "\f%s{ ID: %d", part_type, node->part_num); if (filename) g_mime_stream_printf (stream, ", Filename: %s", filename); if (cid) g_mime_stream_printf (stream, ", Content-id: %s", cid); content_string = g_mime_content_type_get_mime_type (content_type); g_mime_stream_printf (stream, ", Content-type: %s\n", content_string); g_free (content_string); } if (GMIME_IS_MESSAGE (node->part)) { GMimeMessage *message = GMIME_MESSAGE (node->part); char *recipients_string; char *date_string; g_mime_stream_printf (stream, "\fheader{\n"); if (node->envelope_file) g_mime_stream_printf (stream, "%s\n", _get_one_line_summary (ctx, node->envelope_file)); g_mime_stream_printf (stream, "Subject: %s\n", g_mime_message_get_subject (message)); g_mime_stream_printf (stream, "From: %s\n", g_mime_message_get_from_string (message)); recipients_string = g_mime_message_get_address_string (message, GMIME_ADDRESS_TYPE_TO); if (recipients_string) g_mime_stream_printf (stream, "To: %s\n", recipients_string); g_free (recipients_string); recipients_string = g_mime_message_get_address_string (message, GMIME_ADDRESS_TYPE_CC); if (recipients_string) g_mime_stream_printf (stream, "Cc: %s\n", recipients_string); g_free (recipients_string); date_string = g_mime_message_get_date_string (node, message); g_mime_stream_printf (stream, "Date: %s\n", date_string); g_mime_stream_printf (stream, "\fheader}\n"); if (! params->output_body) { g_mime_stream_printf (stream, "\f%s}\n", part_type); return NOTMUCH_STATUS_SUCCESS; } g_mime_stream_printf (stream, "\fbody{\n"); } if (leaf) { if (g_mime_content_type_is_type (content_type, "text", "*") && (params->include_html || ! g_mime_content_type_is_type (content_type, "text", "html"))) { show_text_part_content (node->part, stream, 0); } else { char *content_string = g_mime_content_type_get_mime_type (content_type); g_mime_stream_printf (stream, "Non-text part: %s\n", content_string); g_free (content_string); } } for (i = 0; i < node->nchildren; i++) format_part_text (ctx, sp, mime_node_child (node, i), indent, params); if (GMIME_IS_MESSAGE (node->part)) g_mime_stream_printf (stream, "\fbody}\n"); g_mime_stream_printf (stream, "\f%s}\n", part_type); return NOTMUCH_STATUS_SUCCESS; } static void format_omitted_part_meta_sprinter (sprinter_t *sp, GMimeObject *meta, GMimePart *part) { const char *content_charset = g_mime_object_get_content_type_parameter (meta, "charset"); const char *cte = g_mime_object_get_header (meta, "content-transfer-encoding"); GMimeDataWrapper *wrapper = g_mime_part_get_content (part); GMimeStream *stream = g_mime_data_wrapper_get_stream (wrapper); ssize_t content_length = g_mime_stream_length (stream); if (content_charset != NULL) { sp->map_key (sp, "content-charset"); sp->string (sp, content_charset); } if (cte != NULL) { sp->map_key (sp, "content-transfer-encoding"); sp->string (sp, cte); } if (content_length >= 0) { sp->map_key (sp, "content-length"); sp->integer (sp, content_length); } } void format_part_sprinter (const void *ctx, sprinter_t *sp, mime_node_t *node, bool output_body, bool include_html) { /* Any changes to the JSON or S-Expression format should be * reflected in the file devel/schemata. */ if (node->envelope_file) { const _notmuch_message_crypto_t *msg_crypto = NULL; sp->begin_map (sp); format_message_sprinter (sp, node->envelope_file); if (output_body) { sp->map_key (sp, "body"); sp->begin_list (sp); format_part_sprinter (ctx, sp, mime_node_child (node, 0), true, include_html); sp->end (sp); } msg_crypto = mime_node_get_message_crypto_status (node); if (notmuch_format_version >= 4) { sp->map_key (sp, "crypto"); sp->begin_map (sp); if (msg_crypto->sig_list || msg_crypto->decryption_status != NOTMUCH_MESSAGE_DECRYPTED_NONE) { if (msg_crypto->sig_list) { sp->map_key (sp, "signed"); sp->begin_map (sp); sp->map_key (sp, "status"); format_part_sigstatus_sprinter (sp, msg_crypto->sig_list); if (msg_crypto->signature_encrypted) { sp->map_key (sp, "encrypted"); sp->boolean (sp, msg_crypto->signature_encrypted); } if (msg_crypto->payload_subject) { sp->map_key (sp, "headers"); sp->begin_list (sp); sp->string (sp, "Subject"); sp->end (sp); } sp->end (sp); } if (msg_crypto->decryption_status != NOTMUCH_MESSAGE_DECRYPTED_NONE) { sp->map_key (sp, "decrypted"); sp->begin_map (sp); sp->map_key (sp, "status"); sp->string (sp, msg_crypto->decryption_status == NOTMUCH_MESSAGE_DECRYPTED_FULL ? "full" : "partial"); if (msg_crypto->payload_subject) { const char *subject = g_mime_message_get_subject GMIME_MESSAGE (node->part); if (subject == NULL || strcmp (subject, msg_crypto->payload_subject)) { /* protected subject differs from the external header */ sp->map_key (sp, "header-mask"); sp->begin_map (sp); sp->map_key (sp, "Subject"); if (subject == NULL) sp->null (sp); else sp->string (sp, subject); sp->end (sp); } } sp->end (sp); } } sp->end (sp); } sp->map_key (sp, "headers"); format_headers_sprinter (sp, GMIME_MESSAGE (node->part), false, msg_crypto); sp->end (sp); return; } /* The disposition and content-type metadata are associated with * the envelope for message parts */ GMimeObject *meta = node->envelope_part ? ( GMIME_OBJECT (node->envelope_part) ) : node->part; GMimeContentType *content_type = g_mime_object_get_content_type (meta); char *content_string; const char *disposition = _get_disposition (meta); const char *cid = g_mime_object_get_content_id (meta); const char *filename = GMIME_IS_PART (node->part) ? ( g_mime_part_get_filename (GMIME_PART (node->part) ) ) : NULL; int nclose = 0; int i; sp->begin_map (sp); sp->map_key (sp, "id"); sp->integer (sp, node->part_num); if (node->decrypt_attempted) { sp->map_key (sp, "encstatus"); sp->begin_list (sp); sp->begin_map (sp); sp->map_key (sp, "status"); sp->string (sp, node->decrypt_success ? "good" : "bad"); sp->end (sp); sp->end (sp); } if (node->verify_attempted) { sp->map_key (sp, "sigstatus"); format_part_sigstatus_sprinter (sp, node->sig_list); } sp->map_key (sp, "content-type"); content_string = g_mime_content_type_get_mime_type (content_type); sp->string (sp, content_string); g_free (content_string); if (disposition) { sp->map_key (sp, "content-disposition"); sp->string (sp, disposition); } if (cid) { sp->map_key (sp, "content-id"); sp->string (sp, cid); } if (filename) { sp->map_key (sp, "filename"); sp->string (sp, filename); } if (GMIME_IS_PART (node->part)) { /* For non-HTML text parts, we include the content in the * JSON. Since JSON must be Unicode, we handle charset * decoding here and do not report a charset to the caller. * For text/html parts, we do not include the content unless * the --include-html option has been passed. If a html part * is not included, it can be requested directly. This makes * charset decoding the responsibility on the caller so we * report the charset for text/html parts. */ if (g_mime_content_type_is_type (content_type, "text", "*") && (include_html || ! g_mime_content_type_is_type (content_type, "text", "html"))) { GMimeStream *stream_memory = g_mime_stream_mem_new (); GByteArray *part_content; show_text_part_content (node->part, stream_memory, 0); part_content = g_mime_stream_mem_get_byte_array (GMIME_STREAM_MEM (stream_memory)); sp->map_key (sp, "content"); sp->string_len (sp, (char *) part_content->data, part_content->len); g_object_unref (stream_memory); } else { /* if we have a child part despite being a standard * (non-multipart) MIME part, that means there is * something to unwrap, which we will present in * content: */ if (node->nchildren) { sp->map_key (sp, "content"); sp->begin_list (sp); nclose = 1; } else format_omitted_part_meta_sprinter (sp, meta, GMIME_PART (node->part)); } } else if (GMIME_IS_MULTIPART (node->part)) { sp->map_key (sp, "content"); sp->begin_list (sp); nclose = 1; } else if (GMIME_IS_MESSAGE (node->part)) { sp->map_key (sp, "content"); sp->begin_list (sp); sp->begin_map (sp); sp->map_key (sp, "headers"); format_headers_sprinter (sp, GMIME_MESSAGE (node->part), false, NULL); sp->map_key (sp, "body"); sp->begin_list (sp); nclose = 3; } for (i = 0; i < node->nchildren; i++) format_part_sprinter (ctx, sp, mime_node_child (node, i), true, include_html); /* Close content structures */ for (i = 0; i < nclose; i++) sp->end (sp); /* Close part map */ sp->end (sp); } static notmuch_status_t format_part_sprinter_entry (const void *ctx, sprinter_t *sp, mime_node_t *node, unused (int indent), const notmuch_show_params_t *params) { format_part_sprinter (ctx, sp, node, params->output_body, params->include_html); return NOTMUCH_STATUS_SUCCESS; } /* Print a message in "mboxrd" format as documented, for example, * here: * * http://qmail.org/qmail-manual-html/man5/mbox.html */ static notmuch_status_t format_part_mbox (const void *ctx, unused (sprinter_t *sp), mime_node_t *node, unused (int indent), unused (const notmuch_show_params_t *params)) { notmuch_message_t *message = node->envelope_file; const char *filename; gzFile file; const char *from; time_t date; struct tm date_gmtime; char date_asctime[26]; char *line = NULL; ssize_t line_size; ssize_t line_len; if (! message) INTERNAL_ERROR ("format_part_mbox requires a root part"); filename = notmuch_message_get_filename (message); file = gzopen (filename, "r"); if (file == NULL) { fprintf (stderr, "Failed to open %s: %s\n", filename, strerror (errno)); return NOTMUCH_STATUS_FILE_ERROR; } from = notmuch_message_get_header (message, "from"); from = _extract_email_address (ctx, from); date = notmuch_message_get_date (message); gmtime_r (&date, &date_gmtime); asctime_r (&date_gmtime, date_asctime); printf ("From %s %s", from, date_asctime); while ((line_len = gz_getline (message, &line, &line_size, file)) != UTIL_EOF ) { if (_is_from_line (line)) putchar ('>'); printf ("%s", line); } printf ("\n"); gzclose (file); return NOTMUCH_STATUS_SUCCESS; } static notmuch_status_t format_part_raw (unused (const void *ctx), unused (sprinter_t *sp), mime_node_t *node, unused (int indent), const notmuch_show_params_t *params) { if (node->envelope_file) { /* Special case the entire message to avoid MIME parsing. */ const char *filename; GMimeStream *stream = NULL; ssize_t ssize; char buf[4096]; notmuch_status_t ret = NOTMUCH_STATUS_FILE_ERROR; filename = notmuch_message_get_filename (node->envelope_file); if (filename == NULL) { fprintf (stderr, "Error: Cannot get message filename.\n"); goto DONE; } stream = g_mime_stream_gzfile_open (filename); if (stream == NULL) { fprintf (stderr, "Error: Cannot open file %s: %s\n", filename, strerror (errno)); goto DONE; } while (! g_mime_stream_eos (stream)) { ssize = g_mime_stream_read (stream, buf, sizeof (buf)); if (ssize < 0) { fprintf (stderr, "Error: Read failed from %s\n", filename); goto DONE; } if (ssize > 0 && fwrite (buf, ssize, 1, stdout) != 1) { fprintf (stderr, "Error: Write %zd chars to stdout failed\n", ssize); goto DONE; } } ret = NOTMUCH_STATUS_SUCCESS; /* XXX This DONE is just for the special case of a node in a single file */ DONE: if (stream) g_object_unref (stream); return ret; } GMimeStream *stream_filter = g_mime_stream_filter_new (params->out_stream); if (GMIME_IS_PART (node->part)) { /* For leaf parts, we emit only the transfer-decoded * body. */ GMimeDataWrapper *wrapper; wrapper = g_mime_part_get_content (GMIME_PART (node->part)); if (wrapper && stream_filter) g_mime_data_wrapper_write_to_stream (wrapper, stream_filter); } else { /* Write out the whole part. For message parts (the root * part and embedded message parts), this will be the * message including its headers (but not the * encapsulating part's headers). For multipart parts, * this will include the headers. */ if (stream_filter) g_mime_object_write_to_stream (node->part, NULL, stream_filter); } if (stream_filter) g_object_unref (stream_filter); return NOTMUCH_STATUS_SUCCESS; } static notmuch_status_t show_message (void *ctx, const notmuch_show_format_t *format, sprinter_t *sp, notmuch_message_t *message, int indent, notmuch_show_params_t *params) { void *local = talloc_new (ctx); mime_node_t *root, *part; notmuch_status_t status; unsigned int session_keys = 0; notmuch_status_t session_key_count_error = NOTMUCH_STATUS_SUCCESS; if (params->crypto.decrypt == NOTMUCH_DECRYPT_TRUE) session_key_count_error = notmuch_message_count_properties (message, "session-key", &session_keys); status = mime_node_open (local, message, &(params->crypto), &root); if (status) goto DONE; part = mime_node_seek_dfs (root, (params->part < 0 ? 0 : params->part)); if (part) status = format->part (local, sp, part, indent, params); if (params->crypto.decrypt == NOTMUCH_DECRYPT_TRUE && session_key_count_error == NOTMUCH_STATUS_SUCCESS) { unsigned int new_session_keys = 0; if (notmuch_message_count_properties (message, "session-key", &new_session_keys) == NOTMUCH_STATUS_SUCCESS && new_session_keys > session_keys) { /* try a quiet re-indexing */ notmuch_indexopts_t *indexopts = notmuch_database_get_default_indexopts ( notmuch_message_get_database (message)); if (indexopts) { notmuch_indexopts_set_decrypt_policy (indexopts, NOTMUCH_DECRYPT_AUTO); print_status_message ("Error re-indexing message with --decrypt=stash", message, notmuch_message_reindex (message, indexopts)); } } } DONE: talloc_free (local); return status; } static notmuch_status_t show_messages (void *ctx, const notmuch_show_format_t *format, sprinter_t *sp, notmuch_messages_t *messages, int indent, notmuch_show_params_t *params) { notmuch_message_t *message; bool match; bool excluded; int next_indent; notmuch_status_t status, res = NOTMUCH_STATUS_SUCCESS; sp->begin_list (sp); for (; notmuch_messages_valid (messages); notmuch_messages_move_to_next (messages)) { sp->begin_list (sp); message = notmuch_messages_get (messages); match = _get_message_flag (message, NOTMUCH_MESSAGE_FLAG_MATCH); excluded = _get_message_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED); next_indent = indent; if ((match && (! excluded || ! params->omit_excluded)) || params->entire_thread) { status = show_message (ctx, format, sp, message, indent, params); if (status && ! res) res = status; next_indent = indent + 1; } else { sp->null (sp); } status = show_messages (ctx, format, sp, notmuch_message_get_replies (message), next_indent, params); if (status && ! res) res = status; notmuch_message_destroy (message); sp->end (sp); } sp->end (sp); return res; } /* Formatted output of single message */ static int do_show_single (void *ctx, notmuch_query_t *query, const notmuch_show_format_t *format, sprinter_t *sp, notmuch_show_params_t *params) { notmuch_messages_t *messages; notmuch_message_t *message; notmuch_status_t status; unsigned int count; status = notmuch_query_count_messages (query, &count); if (print_status_query ("notmuch show", query, status)) return 1; if (count != 1) { fprintf (stderr, "Error: search term did not match precisely one message (matched %u messages).\n", count); return 1; } status = notmuch_query_search_messages (query, &messages); if (print_status_query ("notmuch show", query, status)) return 1; message = notmuch_messages_get (messages); if (message == NULL) { fprintf (stderr, "Error: Cannot find matching message.\n"); return 1; } notmuch_message_set_flag (message, NOTMUCH_MESSAGE_FLAG_MATCH, 1); return show_message (ctx, format, sp, message, 0, params) != NOTMUCH_STATUS_SUCCESS; } /* Formatted output of threads */ static int do_show_threaded (void *ctx, notmuch_query_t *query, const notmuch_show_format_t *format, sprinter_t *sp, notmuch_show_params_t *params) { notmuch_threads_t *threads; notmuch_thread_t *thread; notmuch_messages_t *messages; notmuch_status_t status, res = NOTMUCH_STATUS_SUCCESS; status = notmuch_query_search_threads (query, &threads); if (print_status_query ("notmuch show", query, status)) return 1; sp->begin_list (sp); for (; notmuch_threads_valid (threads); notmuch_threads_move_to_next (threads)) { thread = notmuch_threads_get (threads); messages = notmuch_thread_get_toplevel_messages (thread); if (messages == NULL) INTERNAL_ERROR ("Thread %s has no toplevel messages.\n", notmuch_thread_get_thread_id (thread)); status = show_messages (ctx, format, sp, messages, 0, params); if (status && ! res) res = status; notmuch_thread_destroy (thread); } sp->end (sp); return res != NOTMUCH_STATUS_SUCCESS; } static int do_show_unthreaded (void *ctx, notmuch_query_t *query, const notmuch_show_format_t *format, sprinter_t *sp, notmuch_show_params_t *params) { notmuch_messages_t *messages; notmuch_message_t *message; notmuch_status_t status, res = NOTMUCH_STATUS_SUCCESS; notmuch_bool_t excluded; status = notmuch_query_search_messages (query, &messages); if (print_status_query ("notmuch show", query, status)) return 1; sp->begin_list (sp); for (; notmuch_messages_valid (messages); notmuch_messages_move_to_next (messages)) { sp->begin_list (sp); sp->begin_list (sp); message = notmuch_messages_get (messages); notmuch_message_set_flag (message, NOTMUCH_MESSAGE_FLAG_MATCH, TRUE); excluded = _get_message_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED); if (! excluded || ! params->omit_excluded) { status = show_message (ctx, format, sp, message, 0, params); if (status && ! res) res = status; } else { sp->null (sp); } notmuch_message_destroy (message); sp->end (sp); sp->end (sp); } sp->end (sp); return res; } enum { NOTMUCH_FORMAT_NOT_SPECIFIED, NOTMUCH_FORMAT_JSON, NOTMUCH_FORMAT_SEXP, NOTMUCH_FORMAT_TEXT, NOTMUCH_FORMAT_MBOX, NOTMUCH_FORMAT_RAW }; static const notmuch_show_format_t format_json = { .new_sprinter = sprinter_json_create, .part = format_part_sprinter_entry, }; static const notmuch_show_format_t format_sexp = { .new_sprinter = sprinter_sexp_create, .part = format_part_sprinter_entry, }; static const notmuch_show_format_t format_text = { .new_sprinter = sprinter_text_create, .part = format_part_text, }; static const notmuch_show_format_t format_mbox = { .new_sprinter = sprinter_text_create, .part = format_part_mbox, }; static const notmuch_show_format_t format_raw = { .new_sprinter = sprinter_text_create, .part = format_part_raw, }; static const notmuch_show_format_t *formatters[] = { [NOTMUCH_FORMAT_JSON] = &format_json, [NOTMUCH_FORMAT_SEXP] = &format_sexp, [NOTMUCH_FORMAT_TEXT] = &format_text, [NOTMUCH_FORMAT_MBOX] = &format_mbox, [NOTMUCH_FORMAT_RAW] = &format_raw, }; int notmuch_show_command (notmuch_database_t *notmuch, int argc, char *argv[]) { notmuch_query_t *query; char *query_string; int opt_index, ret; const notmuch_show_format_t *formatter; sprinter_t *sprinter; notmuch_show_params_t params = { .part = -1, .omit_excluded = true, .output_body = true, .crypto = { .decrypt = NOTMUCH_DECRYPT_AUTO }, }; int format = NOTMUCH_FORMAT_NOT_SPECIFIED; bool exclude = true; bool entire_thread_set = false; bool single_message; bool unthreaded = FALSE; notmuch_status_t status; int sort = NOTMUCH_SORT_NEWEST_FIRST; notmuch_opt_desc_t options[] = { { .opt_keyword = &sort, .name = "sort", .keywords = (notmuch_keyword_t []){ { "oldest-first", NOTMUCH_SORT_OLDEST_FIRST }, { "newest-first", NOTMUCH_SORT_NEWEST_FIRST }, { 0, 0 } } }, { .opt_keyword = &format, .name = "format", .keywords = (notmuch_keyword_t []){ { "json", NOTMUCH_FORMAT_JSON }, { "text", NOTMUCH_FORMAT_TEXT }, { "sexp", NOTMUCH_FORMAT_SEXP }, { "mbox", NOTMUCH_FORMAT_MBOX }, { "raw", NOTMUCH_FORMAT_RAW }, { 0, 0 } } }, { .opt_int = ¬much_format_version, .name = "format-version" }, { .opt_bool = &exclude, .name = "exclude" }, { .opt_bool = ¶ms.entire_thread, .name = "entire-thread", .present = &entire_thread_set }, { .opt_bool = &unthreaded, .name = "unthreaded" }, { .opt_int = ¶ms.part, .name = "part" }, { .opt_keyword = (int *) (¶ms.crypto.decrypt), .name = "decrypt", .keyword_no_arg_value = "true", .keywords = (notmuch_keyword_t []){ { "false", NOTMUCH_DECRYPT_FALSE }, { "auto", NOTMUCH_DECRYPT_AUTO }, { "true", NOTMUCH_DECRYPT_NOSTASH }, { "stash", NOTMUCH_DECRYPT_TRUE }, { 0, 0 } } }, { .opt_bool = ¶ms.crypto.verify, .name = "verify" }, { .opt_bool = ¶ms.output_body, .name = "body" }, { .opt_bool = ¶ms.include_html, .name = "include-html" }, { .opt_inherit = notmuch_shared_options }, { } }; opt_index = parse_arguments (argc, argv, options, 1); if (opt_index < 0) return EXIT_FAILURE; notmuch_process_shared_options (notmuch, argv[0]); /* explicit decryption implies verification */ if (params.crypto.decrypt == NOTMUCH_DECRYPT_NOSTASH || params.crypto.decrypt == NOTMUCH_DECRYPT_TRUE) params.crypto.verify = true; /* specifying a part implies single message display */ single_message = params.part >= 0; if (format == NOTMUCH_FORMAT_NOT_SPECIFIED) { /* if part was requested and format was not specified, use format=raw */ if (params.part >= 0) format = NOTMUCH_FORMAT_RAW; else format = NOTMUCH_FORMAT_TEXT; } if (format == NOTMUCH_FORMAT_MBOX) { if (params.part > 0) { fprintf (stderr, "Error: specifying parts is incompatible with mbox output format.\n"); return EXIT_FAILURE; } } else if (format == NOTMUCH_FORMAT_RAW) { /* raw format only supports single message display */ single_message = true; } notmuch_exit_if_unsupported_format (); /* Default is entire-thread = false except for format=json and * format=sexp. */ if (! entire_thread_set && (format == NOTMUCH_FORMAT_JSON || format == NOTMUCH_FORMAT_SEXP)) params.entire_thread = true; if (! params.output_body) { if (params.part > 0) { fprintf (stderr, "Warning: --body=false is incompatible with --part > 0. Disabling.\n"); params.output_body = true; } else { if (format != NOTMUCH_FORMAT_TEXT && format != NOTMUCH_FORMAT_JSON && format != NOTMUCH_FORMAT_SEXP) fprintf (stderr, "Warning: --body=false only implemented for format=text, format=json and format=sexp\n"); } } if (params.include_html && (format != NOTMUCH_FORMAT_TEXT && format != NOTMUCH_FORMAT_JSON && format != NOTMUCH_FORMAT_SEXP)) { fprintf (stderr, "Warning: --include-html only implemented for format=text, format=json and format=sexp\n"); } if (params.crypto.decrypt == NOTMUCH_DECRYPT_TRUE) { status = notmuch_database_reopen (notmuch, NOTMUCH_DATABASE_MODE_READ_WRITE); if (status) { fprintf (stderr, "Error reopening database for READ_WRITE: %s\n", notmuch_status_to_string (status)); return EXIT_FAILURE; } } query_string = query_string_from_args (notmuch, argc - opt_index, argv + opt_index); if (query_string == NULL) { fprintf (stderr, "Out of memory\n"); return EXIT_FAILURE; } if (*query_string == '\0') { fprintf (stderr, "Error: notmuch show requires at least one search term.\n"); return EXIT_FAILURE; } query = notmuch_query_create (notmuch, query_string); if (query == NULL) { fprintf (stderr, "Out of memory\n"); return EXIT_FAILURE; } notmuch_query_set_sort (query, sort); /* Create structure printer. */ formatter = formatters[format]; sprinter = formatter->new_sprinter (notmuch, stdout); params.out_stream = g_mime_stream_stdout_new (); /* If a single message is requested we do not use search_excludes. */ if (single_message) { ret = do_show_single (notmuch, query, formatter, sprinter, ¶ms); } else { /* We always apply set the exclude flag. The * exclude=true|false option controls whether or not we return * threads that only match in an excluded message */ notmuch_config_values_t *exclude_tags; notmuch_status_t status; for (exclude_tags = notmuch_config_get_values (notmuch, NOTMUCH_CONFIG_EXCLUDE_TAGS); notmuch_config_values_valid (exclude_tags); notmuch_config_values_move_to_next (exclude_tags)) { status = notmuch_query_add_tag_exclude (query, notmuch_config_values_get (exclude_tags)); if (status && status != NOTMUCH_STATUS_IGNORED) { print_status_query ("notmuch show", query, status); ret = -1; goto DONE; } } if (exclude == false) { notmuch_query_set_omit_excluded (query, false); params.omit_excluded = false; } if (unthreaded) ret = do_show_unthreaded (notmuch, query, formatter, sprinter, ¶ms); else ret = do_show_threaded (notmuch, query, formatter, sprinter, ¶ms); } DONE: g_mime_stream_flush (params.out_stream); g_object_unref (params.out_stream); _notmuch_crypto_cleanup (¶ms.crypto); notmuch_query_destroy (query); notmuch_database_destroy (notmuch); return ret ? EXIT_FAILURE : EXIT_SUCCESS; }