size_t unquote_url_inplace(char* url, size_t len)
{
char *p = url;
char *end = url+len;
for(; url != end; ++url, ++p) {
if(*url == '%') {
char a,b;
if(url >= end-2) {
/* Less than two characters left after the '%' */
return 0;
}
a = UNHEX(url[1]);
b = UNHEX(url[2]);
if(a == NOHEX || b == NOHEX) return 0;
*p = a*16 + b;
url += 2;
len -= 2;
} else {
*p = *url;
}
}
return len;
}
nsresult
nsMsgSendLater::BuildHeaders()
{
char *buf = m_headers;
char *buf_end = buf + m_headersFP;
PR_FREEIF(m_to);
PR_FREEIF(m_bcc);
PR_FREEIF(m_newsgroups);
PR_FREEIF(m_newshost);
PR_FREEIF(m_fcc);
PR_FREEIF(mIdentityKey);
PR_FREEIF(mAccountKey);
m_flags = 0;
while (buf < buf_end)
{
bool prune_p = false;
bool do_flags_p = false;
char *colon = PL_strchr(buf, ':');
char *end;
char *value = 0;
char **header = 0;
char *header_start = buf;
if (! colon)
break;
end = colon;
while (end > buf && (*end == ' ' || *end == '\t'))
end--;
switch (buf [0])
{
case 'B': case 'b':
if (!PL_strncasecmp ("BCC", buf, end - buf))
{
header = &m_bcc;
prune_p = true;
}
break;
case 'C': case 'c':
if (!PL_strncasecmp ("CC", buf, end - buf))
header = &m_to;
else if (!PL_strncasecmp (HEADER_CONTENT_LENGTH, buf, end - buf))
prune_p = true;
break;
case 'F': case 'f':
if (!PL_strncasecmp ("FCC", buf, end - buf))
{
header = &m_fcc;
prune_p = true;
}
break;
case 'L': case 'l':
if (!PL_strncasecmp ("Lines", buf, end - buf))
prune_p = true;
break;
case 'N': case 'n':
if (!PL_strncasecmp ("Newsgroups", buf, end - buf))
header = &m_newsgroups;
break;
case 'S': case 's':
if (!PL_strncasecmp ("Sender", buf, end - buf))
prune_p = true;
break;
case 'T': case 't':
if (!PL_strncasecmp ("To", buf, end - buf))
header = &m_to;
break;
case 'X': case 'x':
{
int32_t headLen = PL_strlen(HEADER_X_MOZILLA_STATUS2);
if (headLen == end - buf &&
!PL_strncasecmp(HEADER_X_MOZILLA_STATUS2, buf, end - buf))
prune_p = true;
else if (PL_strlen(HEADER_X_MOZILLA_STATUS) == end - buf &&
!PL_strncasecmp(HEADER_X_MOZILLA_STATUS, buf, end - buf))
prune_p = do_flags_p = true;
else if (!PL_strncasecmp(HEADER_X_MOZILLA_DRAFT_INFO, buf, end - buf))
prune_p = true;
else if (!PL_strncasecmp(HEADER_X_MOZILLA_KEYWORDS, buf, end - buf))
prune_p = true;
else if (!PL_strncasecmp(HEADER_X_MOZILLA_NEWSHOST, buf, end - buf))
{
prune_p = true;
header = &m_newshost;
}
else if (!PL_strncasecmp(HEADER_X_MOZILLA_IDENTITY_KEY, buf, end - buf))
{
prune_p = true;
header = &mIdentityKey;
}
else if (!PL_strncasecmp(HEADER_X_MOZILLA_ACCOUNT_KEY, buf, end - buf))
{
prune_p = true;
header = &mAccountKey;
}
break;
}
}
buf = colon + 1;
while (*buf == ' ' || *buf == '\t')
buf++;
value = buf;
SEARCH_NEWLINE:
while (*buf != 0 && *buf != '\r' && *buf != '\n')
buf++;
if (buf+1 >= buf_end)
;
// If "\r\n " or "\r\n\t" is next, that doesn't terminate the header.
else if (buf+2 < buf_end &&
(buf[0] == '\r' && buf[1] == '\n') &&
(buf[2] == ' ' || buf[2] == '\t'))
{
buf += 3;
goto SEARCH_NEWLINE;
}
// If "\r " or "\r\t" or "\n " or "\n\t" is next, that doesn't terminate
// the header either.
else if ((buf[0] == '\r' || buf[0] == '\n') &&
(buf[1] == ' ' || buf[1] == '\t'))
{
buf += 2;
goto SEARCH_NEWLINE;
}
if (header)
{
int L = buf - value;
if (*header)
{
char *newh = (char*) PR_Realloc ((*header),
PL_strlen(*header) + L + 10);
if (!newh) return NS_ERROR_OUT_OF_MEMORY;
*header = newh;
newh = (*header) + PL_strlen (*header);
*newh++ = ',';
*newh++ = ' ';
memcpy(newh, value, L);
newh [L] = 0;
}
else
{
*header = (char *) PR_Malloc(L+1);
if (!*header) return NS_ERROR_OUT_OF_MEMORY;
memcpy((*header), value, L);
(*header)[L] = 0;
}
}
else if (do_flags_p)
{
int i;
char *s = value;
PR_ASSERT(*s != ' ' && *s != '\t');
m_flags = 0;
for (i=0 ; i<4 ; i++) {
m_flags = (m_flags << 4) | UNHEX(*s);
s++;
}
}
if (*buf == '\r' || *buf == '\n')
{
if (*buf == '\r' && buf[1] == '\n')
buf++;
buf++;
}
if (prune_p)
{
char *to = header_start;
char *from = buf;
while (from < buf_end)
*to++ = *from++;
buf = header_start;
buf_end = to;
m_headersFP = buf_end - m_headers;
}
}
m_headers[m_headersFP++] = '\r';
m_headers[m_headersFP++] = '\n';
// Now we have parsed out all of the headers we need and we
// can proceed.
return NS_OK;
}
