dovecot/core-2.2: src/lib-mail/message-decoder.c annotate

annotate src/lib-mail/message-decoder.c @ 4885:902d24d14932 HEAD

Fixes

author	Timo Sirainen <tss@iki.fi>
date	Sat, 09 Dec 2006 23:53:13 +0200
parents	e3534695b58a
children	c3e15280e4cb

rev	line source
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	1 /* Copyright (C) 2006 Timo Sirainen */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	2
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	3 #include "lib.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	4 #include "buffer.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	5 #include "strescape.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	6 #include "base64.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	7 #include "charset-utf8.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	8 #include "quoted-printable.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	9 #include "message-parser.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	10 #include "message-content-parser.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	11 #include "message-header-decode.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	12 #include "message-decoder.h"
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	13
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	14 enum content_type {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	15 CONTENT_TYPE_UNKNOWN = 0,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	16 CONTENT_TYPE_BINARY,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	17 CONTENT_TYPE_QP,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	18 CONTENT_TYPE_BASE64
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	19 };
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	20
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	21 /* base64 takes max 4 bytes per character, q-p takes max 3. */
902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	22 #define MAX_ENCODING_BUF_SIZE 3
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	23
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	24 /* UTF-8 takes max 5 bytes per character. Not sure about others, but I'd think
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	25 10 is more than enough for everyone.. */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	26 #define MAX_TRANSLATION_BUF_SIZE 10
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	27
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	28 struct message_decoder_context {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	29 struct message_header_line hdr;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	30 buffer_t buf, buf2;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	31
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	32 struct charset_translation *charset_trans;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	33 char translation_buf[MAX_TRANSLATION_BUF_SIZE];
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	34 unsigned int translation_size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	35
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	36 char encoding_buf[MAX_ENCODING_BUF_SIZE];
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	37 unsigned int encoding_size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	38
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	39 char *content_charset;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	40 enum content_type content_type;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	41
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	42 unsigned int charset_utf8:1;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	43 };
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	44
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	45 struct message_decoder_context *message_decoder_init(void)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	46 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	47 struct message_decoder_context *ctx;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	48
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	49 ctx = i_new(struct message_decoder_context, 1);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	50 ctx->buf = buffer_create_dynamic(default_pool, 8192);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	51 ctx->buf2 = buffer_create_dynamic(default_pool, 8192);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	52 return ctx;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	53 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	54
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	55 void message_decoder_deinit(struct message_decoder_context **_ctx)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	56 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	57 struct message_decoder_context ctx = _ctx;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	58
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	59 *_ctx = NULL;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	60
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	61 buffer_free(ctx->buf);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	62 buffer_free(ctx->buf2);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	63 i_free(ctx);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	64 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	65
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	66 static bool
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	67 message_decode_header_callback(const unsigned char *data, size_t size,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	68 const char charset, void context)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	69 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	70 struct message_decoder_context *ctx = context;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	71 struct charset_translation *t;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	72 bool unknown_charset;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	73
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	74 if (charset == NULL \|\| strcasecmp(charset, "UTF-8") == 0) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	75 /* ASCII */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	76 buffer_append(ctx->buf, data, size);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	77 return TRUE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	78 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	79
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	80 t = charset_to_utf8_begin(charset, &unknown_charset);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	81 if (unknown_charset) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	82 /* let's just ignore this part */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	83 return TRUE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	84 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	85
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	86 /* ignore any errors */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	87 (void)charset_to_ucase_utf8_full(t, data, &size, ctx->buf);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	88 charset_to_utf8_end(&t);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	89 return TRUE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	90 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	91
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	92 static void parse_content_encoding(const unsigned char *value, size_t value_len,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	93 void *context)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	94 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	95 struct message_decoder_context *ctx = context;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	96
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	97 ctx->content_type = CONTENT_TYPE_UNKNOWN;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	98
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	99 switch (value_len) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	100 case 4:
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	101 if (memcasecmp(value, "7bit", 4) == 0 \|\|
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	102 memcasecmp(value, "8bit", 4) == 0)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	103 ctx->content_type = CONTENT_TYPE_BINARY;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	104 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	105 case 6:
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	106 if (memcasecmp(value, "base64", 6) == 0)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	107 ctx->content_type = CONTENT_TYPE_BASE64;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	108 else if (memcasecmp(value, "binary", 6) == 0)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	109 ctx->content_type = CONTENT_TYPE_BINARY;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	110 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	111 case 16:
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	112 if (memcasecmp(value, "quoted-printable", 16) == 0)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	113 ctx->content_type = CONTENT_TYPE_QP;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	114 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	115 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	116 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	117
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	118 static void
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	119 parse_content_type_param(const unsigned char *name, size_t name_len,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	120 const unsigned char *value, size_t value_len,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	121 bool value_quoted, void *context)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	122 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	123 struct message_decoder_context *ctx = context;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	124
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	125 if (name_len == 7 && memcasecmp(name, "charset", 7) == 0 &&
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	126 ctx->content_charset == NULL) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	127 ctx->content_charset = i_strndup(value, value_len);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	128 if (value_quoted) str_unescape(ctx->content_charset);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	129
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	130 ctx->charset_utf8 = charset_is_utf8(ctx->content_charset);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	131 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	132 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	133
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	134 static bool message_decode_header(struct message_decoder_context *ctx,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	135 struct message_header_line *hdr,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	136 struct message_block *output)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	137 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	138 if (hdr->continues) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	139 hdr->use_full_value = TRUE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	140 return FALSE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	141 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	142
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	143 if (hdr->name_len == 12 &&
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	144 strcasecmp(hdr->name, "Content-Type") == 0) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	145 message_content_parse_header(hdr->full_value,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	146 hdr->full_value_len,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	147 NULL,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	148 parse_content_type_param, ctx);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	149 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	150 if (hdr->name_len == 25 &&
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	151 strcasecmp(hdr->name, "Content-Transfer-Encoding") == 0) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	152 message_content_parse_header(hdr->full_value,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	153 hdr->full_value_len,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	154 parse_content_encoding,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	155 NULL, ctx);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	156 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	157
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	158 buffer_set_used_size(ctx->buf, 0);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	159 message_header_decode(hdr->full_value, hdr->full_value_len,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	160 message_decode_header_callback, ctx);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	161
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	162 ctx->hdr = *hdr;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	163 ctx->hdr.full_value = ctx->buf->data;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	164 ctx->hdr.full_value_len = ctx->buf->used;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	165 ctx->hdr.value_len = 0;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	166
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	167 output->hdr = &ctx->hdr;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	168 return TRUE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	169 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	170
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	171 static void translation_buf_decode(struct message_decoder_context *ctx,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	172 const unsigned char *data, size_t size)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	173 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	174 unsigned char trans_buf[MAX_TRANSLATION_BUF_SIZE+1];
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	175 size_t pos, skip;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	176
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	177 /* @UNSAFE */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	178 memcpy(trans_buf, ctx->translation_buf, ctx->translation_size);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	179 skip = sizeof(trans_buf) - ctx->translation_size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	180 if (skip > *size)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	181 skip = *size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	182 memcpy(trans_buf + ctx->translation_size, data, skip);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	183
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	184 pos = *size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	185 (void)charset_to_ucase_utf8_full(ctx->charset_trans,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	186 *data, &pos, ctx->buf2);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	187
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	188 i_assert(pos > ctx->translation_size);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	189 skip = (ctx->translation_size + skip) - pos;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	190
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	191 i_assert(*size >= skip);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	192 *data += skip;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	193 *size -= skip;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	194
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	195 ctx->translation_size = 0;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	196 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	197
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	198 static bool message_decode_body(struct message_decoder_context *ctx,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	199 struct message_block *input,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	200 struct message_block *output)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	201 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	202 unsigned char new_buf[MAX_ENCODING_BUF_SIZE+1];
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	203 const unsigned char *data = NULL;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	204 size_t pos, size = 0, skip = 0;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	205 bool unknown_charset;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	206
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	207 if (ctx->charset_trans == NULL && !ctx->charset_utf8) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	208 ctx->charset_trans =
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	209 charset_to_utf8_begin(ctx->content_charset != NULL ?
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	210 ctx->content_charset : "UTF-8",
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	211 &unknown_charset);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	212 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	213
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	214 if (ctx->encoding_size != 0) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	215 /* @UNSAFE */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	216 memcpy(new_buf, ctx->encoding_buf, ctx->encoding_size);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	217 skip = sizeof(new_buf) - ctx->encoding_size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	218 if (skip > input->size)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	219 skip = input->size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	220 memcpy(new_buf + ctx->encoding_size, input->data, skip);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	221 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	222
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	223 switch (ctx->content_type) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	224 case CONTENT_TYPE_UNKNOWN:
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	225 /* just skip this body */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	226 return FALSE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	227
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	228 case CONTENT_TYPE_BINARY:
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	229 data = input->data;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	230 size = pos = input->size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	231 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	232 case CONTENT_TYPE_QP:
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	233 buffer_set_used_size(ctx->buf, 0);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	234 if (ctx->encoding_size != 0) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	235 quoted_printable_decode(new_buf,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	236 ctx->encoding_size + skip,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	237 &pos, ctx->buf);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	238 i_assert(pos > ctx->encoding_size);
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	239 skip = pos - ctx->encoding_size;
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	240 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	241
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	242 quoted_printable_decode(input->data + skip, input->size - skip,
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	243 &pos, ctx->buf);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	244 pos += skip;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	245 data = ctx->buf->data;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	246 size = ctx->buf->used;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	247 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	248 case CONTENT_TYPE_BASE64:
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	249 buffer_set_used_size(ctx->buf, 0);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	250 if (ctx->encoding_size != 0) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	251 if (base64_decode(new_buf, ctx->encoding_size + skip,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	252 &pos, ctx->buf) < 0) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	253 /* corrupted base64 data, don't bother with
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	254 the rest of it */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	255 return FALSE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	256 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	257 i_assert(pos > ctx->encoding_size);
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	258 skip = pos - ctx->encoding_size;
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	259 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	260 if (base64_decode(input->data + skip, input->size - skip,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	261 &pos, ctx->buf) < 0) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	262 /* corrupted base64 data, don't bother with
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	263 the rest of it */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	264 return FALSE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	265 }
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	266 if (pos < input->size - skip && pos > 0 &&
902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	267 input->data[pos + skip - 1] == '=') {
902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	268 /* end of base64 input */
902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	269 pos = input->size - skip;
902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	270 }
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	271 pos += skip;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	272 data = ctx->buf->data;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	273 size = ctx->buf->used;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	274 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	275 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	276
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	277 if (pos != input->size) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	278 /* @UNSAFE */
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	279 i_assert(pos < input->size);
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	280 ctx->encoding_size = input->size - pos;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	281 i_assert(ctx->encoding_size <= sizeof(ctx->encoding_buf));
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	282 memcpy(ctx->encoding_buf, input->data + pos,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	283 ctx->encoding_size);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	284 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	285
4708 e3534695b58a Don't crash with unknown charsets Timo Sirainen <tss@iki.fi> parents: 4608 diff changeset	286 if (ctx->charset_utf8 \|\| ctx->charset_trans == NULL) {
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	287 output->data = data;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	288 output->size = size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	289 } else {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	290 buffer_set_used_size(ctx->buf2, 0);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	291 if (ctx->translation_size != 0)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	292 translation_buf_decode(ctx, &data, &size);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	293
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	294 pos = size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	295 (void)charset_to_ucase_utf8_full(ctx->charset_trans,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	296 data, &pos, ctx->buf2);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	297 if (pos != size) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	298 ctx->translation_size = size - pos;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	299 i_assert(ctx->translation_size <=
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	300 sizeof(ctx->translation_buf));
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	301 memcpy(ctx->translation_buf, data + pos,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	302 ctx->translation_size);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	303 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	304 output->data = ctx->buf2->data;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	305 output->size = ctx->buf2->used;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	306 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	307
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	308 output->hdr = NULL;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	309 return TRUE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	310 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	311
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	312 bool message_decoder_decode_next_block(struct message_decoder_context *ctx,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	313 struct message_block *input,
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	314 struct message_block *output)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	315 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	316 if (input->part != output->part) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	317 /* MIME part changed. */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	318 i_free_and_null(ctx->content_charset);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	319 ctx->content_type = CONTENT_TYPE_BINARY;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	320 ctx->charset_utf8 = TRUE;
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	321 ctx->encoding_size = 0;
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	322 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	323
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	324 output->part = input->part;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	325
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	326 if (input->hdr != NULL)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	327 return message_decode_header(ctx, input->hdr, output);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	328 else
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	329 return message_decode_body(ctx, input, output);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	330 }

Mercurial > dovecot > core-2.2

annotate src/lib-mail/message-decoder.c @ 4885:902d24d14932 HEAD