diff options
Diffstat (limited to 'em-format')
-rw-r--r-- | em-format/e-mail-inline-filter.c | 38 | ||||
-rw-r--r-- | em-format/e-mail-parser-inlinepgp-encrypted.c | 5 | ||||
-rw-r--r-- | em-format/e-mail-parser-inlinepgp-signed.c | 5 |
3 files changed, 44 insertions, 4 deletions
diff --git a/em-format/e-mail-inline-filter.c b/em-format/e-mail-inline-filter.c index 1cd6781a06..8f31409d9e 100644 --- a/em-format/e-mail-inline-filter.c +++ b/em-format/e-mail-inline-filter.c @@ -199,6 +199,32 @@ inline_filter_add_part (EMailInlineFilter *emif, emif->parts = g_slist_append (emif->parts, part); } +static gboolean +newline_or_whitespace_follows (const gchar *str, + guint len, + guint skip_first) +{ + if (len <= skip_first) + return len == skip_first; + + str += skip_first; + len -= skip_first; + + while (len > 0 && *str != '\n') { + if (!*str) + return TRUE; + + + if (!camel_mime_is_lwsp (*str)) + return FALSE; + + len--; + str++; + } + + return len == 0 || *str == '\n'; +} + static gint inline_filter_scan (CamelMimeFilter *f, gchar *in, @@ -247,12 +273,14 @@ inline_filter_scan (CamelMimeFilter *f, inline_filter_add_part (emif, data_start, start - data_start); data_start = start; emif->state = EMIF_POSTSCRIPT; - } else if (rest_len >= 34 && strncmp (start, "-----BEGIN PGP SIGNED MESSAGE-----", 34) == 0) { + } else if (rest_len >= 34 && strncmp (start, "-----BEGIN PGP SIGNED MESSAGE-----", 34) == 0 && + newline_or_whitespace_follows (start, rest_len, 34)) { restore_inptr (); inline_filter_add_part (emif, data_start, start - data_start); data_start = start; emif->state = EMIF_PGPSIGNED; - } else if (rest_len >= 27 && strncmp (start, "-----BEGIN PGP MESSAGE-----", 27) == 0) { + } else if (rest_len >= 27 && strncmp (start, "-----BEGIN PGP MESSAGE-----", 27) == 0 && + newline_or_whitespace_follows (start, rest_len, 27)) { restore_inptr (); inline_filter_add_part (emif, data_start, start - data_start); data_start = start; @@ -279,7 +307,8 @@ inline_filter_scan (CamelMimeFilter *f, } break; case EMIF_PGPSIGNED: - if (rest_len >= 27 && strncmp (start, "-----END PGP SIGNATURE-----", 27) == 0) { + if (rest_len >= 27 && strncmp (start, "-----END PGP SIGNATURE-----", 27) == 0 && + newline_or_whitespace_follows (start, rest_len, 27)) { restore_inptr (); inline_filter_add_part (emif, data_start, inptr - data_start); data_start = inptr; @@ -288,7 +317,8 @@ inline_filter_scan (CamelMimeFilter *f, } break; case EMIF_PGPENCRYPTED: - if (rest_len >= 25 && strncmp (start, "-----END PGP MESSAGE-----", 25) == 0) { + if (rest_len >= 25 && strncmp (start, "-----END PGP MESSAGE-----", 25) == 0 && + newline_or_whitespace_follows (start, rest_len, 25)) { restore_inptr (); inline_filter_add_part (emif, data_start, inptr - data_start); data_start = inptr; diff --git a/em-format/e-mail-parser-inlinepgp-encrypted.c b/em-format/e-mail-parser-inlinepgp-encrypted.c index 885f9151e6..624452c8b0 100644 --- a/em-format/e-mail-parser-inlinepgp-encrypted.c +++ b/em-format/e-mail-parser-inlinepgp-encrypted.c @@ -61,6 +61,11 @@ empe_inlinepgp_encrypted_parse (EMailParserExtension *extension, GList *head, *link; GError *local_error = NULL; + if (g_cancellable_is_cancelled (cancellable) || + /* avoid recursion */ + (part_id->str && part_id->len > 20 && g_str_has_suffix (part_id->str, ".inlinepgp_encrypted"))) + return FALSE; + cipher = camel_gpg_context_new (e_mail_parser_get_session (parser)); opart = camel_mime_part_new (); diff --git a/em-format/e-mail-parser-inlinepgp-signed.c b/em-format/e-mail-parser-inlinepgp-signed.c index 2b11d6e412..fb65e5c447 100644 --- a/em-format/e-mail-parser-inlinepgp-signed.c +++ b/em-format/e-mail-parser-inlinepgp-signed.c @@ -66,6 +66,11 @@ empe_inlinepgp_signed_parse (EMailParserExtension *extension, GError *local_error = NULL; GByteArray *ba; + if (g_cancellable_is_cancelled (cancellable) || + /* avoid recursion */ + (part_id->str && part_id->len > 17 && g_str_has_suffix (part_id->str, ".inlinepgp_signed"))) + return FALSE; + cipher = camel_gpg_context_new (e_mail_parser_get_session (parser)); /* Verify the signature of the message */ |