static struct cookie *cookie_from_netscape_line(char *cookie_line)
{
struct cookie *new_cookie = NULL;
if (cookie_line && cookie_line[0]) {
/* Only parse the line if it is not a comment and it has the requisite number
* of tabs. Comment lines begin with a leading # symbol.
* Syntax checking is rudimentary, because these lines are
* machine-generated. */
if (cookie_line[0] != '#' &&
count_tabs(cookie_line) == FIELDS_PER_COOKIE_LINE - 1) {
char *start, *end;
new_cookie = allocZeroMem(sizeof(struct cookie));
start = cookie_line;
end = strchr(cookie_line, '\t');
new_cookie->domain = pullString1(start, end);
start = end + 1;
end = strchr(start, '\t');
if ((*start == 't') || (*start == 'T'))
new_cookie->tail = true;
else
new_cookie->tail = false;
start = end + 1;
end = strchr(start, '\t');
new_cookie->path = pullString1(start, end);
start = end + 1;
if (*start == 'T' || *start == 't')
new_cookie->secure = true;
else
new_cookie->secure = false;
start = strchr(start, '\t') + 1;
new_cookie->expires = strtol(start, &end, 10);
/* Now end points to the tab following the expiration time. */
start = end + 1;
end = strchr(start, '\t');
new_cookie->name = pullString1(start, end);
start = end + 1;
/* strcspn gives count of non-newline characters in string, which is the
* length of the final field. Either CR or LF is considered a newline. */
new_cookie->value =
pullString(start, strcspn(start, "\r\n"));
/* Whenever new_cookie->tail is true, there's going to be a dot at the front of the
* domain name. Libcurl even puts one there when it parses set-cookie
* headers. But let's be sure. */
if (new_cookie->tail && (new_cookie->domain[0] != '.'))
new_cookie->domain =
prependString(new_cookie->domain, ".");
}
}
return new_cookie;
} /* cookie_from_netscape_line */
static item_string* pullString (const char** ptr, int length)
{
item_string* result;
char c = *(*ptr)++;
if (c != '"')
{
int cl = 0;
unsigned mask = 0;
unsigned codepoint = (uint8_t)c;
if (c == '\\')
{
c = *(*ptr)++;
switch (c) {
case '\\': codepoint = '\\'; break;
case '/': codepoint = '/'; break;
case '"': codepoint = '"'; break;
case 'b': codepoint = '\b'; break;
case 't': codepoint = '\t'; break;
case 'n': codepoint = '\n'; break;
case 'f': codepoint = '\f'; break;
case 'r': codepoint = '\r'; break;
case 'u':
sscanf(*ptr,"%4x",&codepoint);
*ptr += 4;
if (codepoint & 0xff80)
{
if (codepoint & 0xf800)
{
cl = 2;
mask = 0xe0;
}
else
{
cl = 1;
mask = 0xc0;
}
}
default:
break;
}
}
result = pullString (ptr, length + cl + 1);
for (;cl > 0;cl--)
{
result->string[length+cl] = (codepoint & 0x3F) | 0x80;
codepoint >>= 6;
}
result->string[length] = (char)(codepoint | mask);
}