/* Function which parses command options; returns true if it
ate an option */
static int
parse(int c, char **argv, int invert, unsigned int *flags,
const struct ipt_entry *entry,
unsigned int *nfcache,
struct ipt_entry_match **match)
{
struct ipt_string_info *stringinfo = (struct ipt_string_info *)(*match)->data;
switch (c) {
case '1':
if (*flags & FROM)
exit_error(PARAMETER_PROBLEM,
"Can't specify multiple --from");
stringinfo->from_offset = atoi(optarg);
*flags |= FROM;
break;
case '2':
if (*flags & TO)
exit_error(PARAMETER_PROBLEM,
"Can't specify multiple --to");
stringinfo->to_offset = atoi(optarg);
*flags |= TO;
break;
case '3':
if (*flags & ALGO)
exit_error(PARAMETER_PROBLEM,
"Can't specify multiple --algo");
parse_algo(optarg, stringinfo);
*flags |= ALGO;
break;
case '4':
if (*flags & STRING)
exit_error(PARAMETER_PROBLEM,
"Can't specify multiple --string");
check_inverse(optarg, &invert, &optind, 0);
parse_string(argv[optind-1], stringinfo);
if (invert)
stringinfo->invert = 1;
stringinfo->patlen=strlen((char *)&stringinfo->pattern);
*flags |= STRING;
break;
case '5':
if (*flags & STRING)
exit_error(PARAMETER_PROBLEM,
"Can't specify multiple --hex-string");
check_inverse(optarg, &invert, &optind, 0);
parse_hex_string(argv[optind-1], stringinfo); /* sets length */
if (invert)
stringinfo->invert = 1;
*flags |= STRING;
break;
default:
return 0;
}
return 1;
}
algolist_t parse_algolist(void)
{
algolist_t algolist = empty_algolist();
while (lookahead[0]->type == ALGORITHM)
{
list_push_back(algolist, parse_algo());
}
return algolist;
}
static gboolean
parse_key_data (gchar *line, SeahorseSSHKeyData *data)
{
gchar* space;
guchar *bytes;
gboolean ret;
gsize len;
/* Get the type */
space = strchr (line, ' ');
if (space == NULL)
return FALSE;
*space = '\0';
data->algo = parse_algo (line);
*space = ' ';
if (data->algo == SSH_ALGO_UNK)
return FALSE;
line = space + 1;
if (!*line)
return FALSE;
/* Prepare for decoding */
g_strchug (line);
space = strchr (line, ' ');
if (space)
*space = 0;
g_strchomp (line);
/* Decode it, and parse binary stuff */
bytes = g_base64_decode (line, &len);
ret = parse_key_blob (bytes, len, data);
g_free (bytes);
if (!ret)
return FALSE;
/* The number of bits */
data->length = calc_bits (data->algo, len);
/* And the rest is the comment */
if (space) {
*space = ' ';
++space;
/* If not utf8 valid, assume latin 1 */
if (!g_utf8_validate (space, -1, NULL))
data->comment = g_convert (space, -1, "UTF-8", "ISO-8859-1", NULL, NULL, NULL);
else
data->comment = g_strdup (space);
}
return TRUE;
}
