OK. I inserted a debug printf().
static int doconvtoutf8_rfc822hdr(const char *header,
const char *value,
struct rfc2045_decodemsgtoutf8_cb *callback)
{
struct doconvtoutf8_info info;
info.err_flag=0;
info.callback=callback;
if (callback->headerfilter_func &&
(*callback->headerfilter_func)(header, value, callback->arg) == 0)
return 0;
if ((callback->flags & RFC2045_DECODEMSG_NOHEADERNAME) == 0)
{
doconvtoutf8_write(header, strlen(header), &info);
doconvtoutf8_write(\": \", 2, &info);
}
/***** Unexpected byte causes troubles. *****/
fprintf(stderr, \"doconvtoutf8_rfc822hdr: header=\'%s\'
value=\'%s\'\\n\",
header, value);
/***** Unexpected byte causes troubles. *****/
rfc822_display_hdrvalue(header, value, \"utf-8\",
doconvtoutf8_write,
doconvtoutf8_error,
&info);
doconvtoutf8_write(\"\\n\", 1, &info);
if (callback->headerdone_func && info.err_flag == 0)
{
int rc=(*callback->headerdone_func)(header, callback->arg);
if (rc)
info.err_flag=rc;
}
return info.err_flag;
}
Now, the output looks like below. It seems to me that calling
rfc822_display_hdrvalue() with imcomplete value results in
imcomplete conversion of string.
INFO: LOGIN, user=demo, ip=[127.0.0.1], port=[0], protocol=IMAP
* FLAGS (\\Draft \\Answered \\Flagged \\Deleted \\Seen \\Recent)
* OK [PERMANENTFLAGS (\\Draft \\Answered \\Flagged \\Deleted \\Seen)] Limited
* 1 EXISTS
* 0 RECENT
* OK [UIDVALIDITY 361408175] Ok
* OK [MYRIGHTS \"acdilrsw\"] ACL
1 OK [READ-WRITE] Ok
doconvtoutf8_rfc822hdr: header=\'Return-Path\' value=\'<r...@example.com>\'
doconvtoutf8_rfc822hdr: header=\'Delivered-To\' value=\'r...@example.com\'
doconvtoutf8_rfc822hdr: header=\'Message-Id\' value=\'<00000...@example.com>\'
doconvtoutf8_rfc822hdr: header=\'From\' value=\'r...@example.com\'
doconvtoutf8_rfc822hdr: header=\'To\' value=\'root <r...@example.com・, root
<r...@example.com・, root <r...@example.com・, root <r...@example.com・, root
<r...@example.com・, root <r...@example.com・, root <r...@example.com・, root
<r...@example.com・, root <r...@example.com・, root <r...@example.com・, root
<r...@example.com・, root <r...@example.com・, root <r...@example.com・, root
<r...@example.com・, root <r...@example.com・, root <r...@example.com・, root
<r...@example.com・, root <r...@example.com・, root <r...@example.com・, root
<r...@example.com・, root <r...@example.com・, root <r...@example.com・\'
==26176== Invalid read of size 1
==26176== at 0x40366C1: stringprep_utf8_to_ucs4 (nfkc.c:337)
==26176== by 0x4038B89: idna_to_unicode_8z4z (idna.c:702)
==26176== by 0x4038BF6: idna_to_unicode_8z8z (idna.c:732)
==26176== by 0x8082E29: rfc822_display_addr_str (rfc2047u.c:332)
==26176== by 0x808302A: rfc822_display_addr (rfc2047u.c:386)
==26176== by 0x808341B: rfc2047_print_unicodeaddr (rfc2047u.c:510)
==26176== by 0x808368A: rfc822_display_hdrvalue (rfc2047u.c:561)
==26176== by 0x806EDFE: rfc2045_decodemsgtoutf8 (rfc2045decodemsgtoutf8.c:60)
==26176== by 0x805FE96: search_oneatatime (search.c:691)
==26176== by 0x80601BC: search_internal (search.c:128)
==26176== by 0x80602F6: dosearch (search.c:76)
==26176== by 0x8057AD5: do_imap_command (imapd.c:5657)
==26176== Address 0x42a67bb is 1 bytes after a block of size 18 alloc\'d
==26176== at 0x402682F: malloc (vg_replace_malloc.c:236)
==26176== by 0x80853AB: rfc822_gettok (rfc822_getaddr.c:39)
==26176== by 0x8083007: rfc822_display_addr (rfc2047u.c:381)
==26176== by 0x808341B: rfc2047_print_unicodeaddr (rfc2047u.c:510)
==26176== by 0x808368A: rfc822_display_hdrvalue (rfc2047u.c:561)
==26176== by 0x806EDFE: rfc2045_decodemsgtoutf8 (rfc2045decodemsgtoutf8.c:60)
==26176== by 0x805FE96: search_oneatatime (search.c:691)
==26176== by 0x80601BC: search_internal (search.c:128)
==26176== by 0x80602F6: dosearch (search.c:76)
==26176== by 0x8057AD5: do_imap_command (imapd.c:5657)
==26176== by 0x80620CE: mainloop (mainloop.c:127)
==26176== by 0x8052BE1: main (imapd.c:6540)
------------------------------------------------------------------------------
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