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

annotate src/lib-mail/message-decoder.c @ 5511:518a77f3bf49 HEAD

Renamed message_decoder_init() to message_decoder_init_ucase() and changed it to uppercase all the output.

author	Timo Sirainen <tss@iki.fi>
date	Tue, 03 Apr 2007 21:03:55 +0300
parents	93e9e081855a
children	7b6511e67476

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 {
5410 73032525bca0 Don't try to access output variable's contents. They are undefined at least Timo Sirainen <tss@iki.fi> parents: 4903 diff changeset	29 struct message_part *prev_part;
73032525bca0 Don't try to access output variable's contents. They are undefined at least Timo Sirainen <tss@iki.fi> parents: 4903 diff changeset	30
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	31 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	32 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	33
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	34 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	35 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	36 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	37
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	38 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	39 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	40
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	41 char *content_charset;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	42 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	43
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	44 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	45 };
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	46
5511 518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	47 struct message_decoder_context *message_decoder_init_ucase(void)
4608 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 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	50
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	51 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	52 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	53 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	54 return ctx;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	55 }
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 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	58 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	59 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	60
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	61 *_ctx = NULL;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	62
4888 c3e15280e4cb Memory leak fixes Timo Sirainen <tss@iki.fi> parents: 4885 diff changeset	63 if (ctx->charset_trans != NULL)
c3e15280e4cb Memory leak fixes Timo Sirainen <tss@iki.fi> parents: 4885 diff changeset	64 charset_to_utf8_end(&ctx->charset_trans);
c3e15280e4cb Memory leak fixes Timo Sirainen <tss@iki.fi> parents: 4885 diff changeset	65
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	66 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	67 buffer_free(ctx->buf2);
4888 c3e15280e4cb Memory leak fixes Timo Sirainen <tss@iki.fi> parents: 4885 diff changeset	68 i_free(ctx->content_charset);
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	69 i_free(ctx);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	70 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	71
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	72 static bool
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	73 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	74 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	75 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	76 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	77 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	78 bool unknown_charset;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	79
5511 518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	80 if (charset == NULL \|\| charset_is_utf8(charset)) {
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	81 /* ASCII */
5511 518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	82 _charset_utf8_ucase(data, size, ctx->buf, ctx->buf->used);
4608 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 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	87 if (unknown_charset) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	88 /* 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	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 /* ignore any errors */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	93 (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	94 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	95 return TRUE;
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
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	98 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	99 void *context)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	100 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	101 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	102
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_UNKNOWN;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	104
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	105 switch (value_len) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	106 case 4:
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	107 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	108 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	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 6:
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, "base64", 6) == 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_BASE64;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	114 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	115 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	116 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	117 case 16:
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	118 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	119 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	120 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	121 }
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
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	124 static void
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	125 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	126 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	127 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	128 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	129 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	130
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	131 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	132 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	133 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	134 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	135
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	136 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	137 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	138 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	139
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	140 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	141 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	142 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	143 {
5511 518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	144 size_t value_len;
518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	145
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	146 if (hdr->continues) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	147 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	148 return FALSE;
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
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	151 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	152 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	153 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	154 hdr->full_value_len,
4903 204d7edc7cdc Added context parameter type safety checks for most callback APIs. Timo Sirainen <tss@iki.fi> parents: 4888 diff changeset	155 null_parse_content_callback,
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	156 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	157 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	158 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	159 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	160 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	161 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	162 parse_content_encoding,
4903 204d7edc7cdc Added context parameter type safety checks for most callback APIs. Timo Sirainen <tss@iki.fi> parents: 4888 diff changeset	163 null_parse_content_param_callback,
204d7edc7cdc Added context parameter type safety checks for most callback APIs. Timo Sirainen <tss@iki.fi> parents: 4888 diff changeset	164 ctx);
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	165 }
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 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	168 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	169 message_decode_header_callback, ctx);
5511 518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	170 value_len = ctx->buf->used;
518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	171
518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	172 _charset_utf8_ucase((const unsigned char *)hdr->name, hdr->name_len,
518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	173 ctx->buf, ctx->buf->used);
518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	174 buffer_append_c(ctx->buf, '\0');
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	175
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	176 ctx->hdr = *hdr;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	177 ctx->hdr.full_value = ctx->buf->data;
5511 518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	178 ctx->hdr.full_value_len = value_len;
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	179 ctx->hdr.value_len = 0;
5511 518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	180 ctx->hdr.name = CONST_PTR_OFFSET(ctx->buf->data,
518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	181 ctx->hdr.full_value_len);
518a77f3bf49 Renamed message_decoder_init() to message_decoder_init_ucase() and changed Timo Sirainen <tss@iki.fi> parents: 5510 diff changeset	182 ctx->hdr.name_len = ctx->buf->used - 1 - value_len;
4608 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 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	185 return TRUE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	186 }
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 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	189 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	190 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	191 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	192 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	193
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	194 /* @UNSAFE */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	195 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	196 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	197 if (skip > *size)
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	198 skip = *size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	199 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	200
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	201 pos = *size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	202 (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	203 *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	204
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	205 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	206 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	207
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	208 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	209 *data += skip;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	210 *size -= skip;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	211
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	212 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	213 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	214
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	215 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	216 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	217 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	218 {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	219 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	220 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	221 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	222 bool unknown_charset;
5510 93e9e081855a Fix for base64 handling Timo Sirainen <tss@iki.fi> parents: 5422 diff changeset	223 int ret;
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	224
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	225 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	226 ctx->charset_trans =
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	227 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	228 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	229 &unknown_charset);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	230 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	231
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	232 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	233 /* @UNSAFE */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	234 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	235 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	236 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	237 skip = input->size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	238 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	239 }
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 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	242 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	243 /* 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	244 return FALSE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	245
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	246 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	247 data = input->data;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	248 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	249 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	250 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	251 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	252 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	253 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	254 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	255 &pos, ctx->buf);
5422 01c63c0adc3b fixes Timo Sirainen <tss@iki.fi> parents: 5410 diff changeset	256 i_assert(pos >= ctx->encoding_size);
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	257 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	258 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	259
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	260 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	261 &pos, ctx->buf);
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	262 pos += skip;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	263 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	264 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	265 break;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	266 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	267 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	268 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	269 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	270 &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	271 /* 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	272 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	273 return FALSE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	274 }
5422 01c63c0adc3b fixes Timo Sirainen <tss@iki.fi> parents: 5410 diff changeset	275 i_assert(pos >= ctx->encoding_size);
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	276 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	277 }
5510 93e9e081855a Fix for base64 handling Timo Sirainen <tss@iki.fi> parents: 5422 diff changeset	278 ret = base64_decode(input->data + skip, input->size - skip,
93e9e081855a Fix for base64 handling Timo Sirainen <tss@iki.fi> parents: 5422 diff changeset	279 &pos, ctx->buf);
93e9e081855a Fix for base64 handling Timo Sirainen <tss@iki.fi> parents: 5422 diff changeset	280 if (ret < 0) {
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	281 /* 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	282 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	283 return FALSE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	284 }
5510 93e9e081855a Fix for base64 handling Timo Sirainen <tss@iki.fi> parents: 5422 diff changeset	285 if (ret == 0) {
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	286 /* end of base64 input */
902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	287 pos = input->size - skip;
902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	288 }
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	289 pos += skip;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	290 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	291 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	292 break;
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
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	295 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	296 /* @UNSAFE */
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	297 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	298 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	299 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	300 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	301 ctx->encoding_size);
5422 01c63c0adc3b fixes Timo Sirainen <tss@iki.fi> parents: 5410 diff changeset	302 } else {
01c63c0adc3b fixes Timo Sirainen <tss@iki.fi> parents: 5410 diff changeset	303 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	304 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	305
4708 e3534695b58a Don't crash with unknown charsets Timo Sirainen <tss@iki.fi> parents: 4608 diff changeset	306 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	307 output->data = data;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	308 output->size = size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	309 } else {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	310 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	311 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	312 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	313
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	314 pos = size;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	315 (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	316 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	317 if (pos != size) {
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	318 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	319 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	320 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	321 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	322 ctx->translation_size);
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->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	325 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	326 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	327
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	328 output->hdr = NULL;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	329 return TRUE;
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	330 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	331
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	332 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	333 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	334 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	335 {
5410 73032525bca0 Don't try to access output variable's contents. They are undefined at least Timo Sirainen <tss@iki.fi> parents: 4903 diff changeset	336 if (input->part != ctx->prev_part) {
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	337 /* MIME part changed. */
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	338 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	339 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	340 ctx->charset_utf8 = TRUE;
4885 902d24d14932 Fixes Timo Sirainen <tss@iki.fi> parents: 4708 diff changeset	341 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	342 }
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	343
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	344 output->part = input->part;
5410 73032525bca0 Don't try to access output variable's contents. They are undefined at least Timo Sirainen <tss@iki.fi> parents: 4903 diff changeset	345 ctx->prev_part = input->part;
4608 61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	346
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	347 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	348 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	349 else
61e0fe257a83 Added message-decoder to decode message's contents into readable UTF-8. Timo Sirainen <tss@iki.fi> parents: diff changeset	350 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	351 }

Mercurial > dovecot > core-2.2

annotate src/lib-mail/message-decoder.c @ 5511:518a77f3bf49 HEAD