/*
This file is part of GNUnet
- (C) 2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2012 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file regex/test_regex_eval_api.c
#include <regex.h>
#include <time.h>
#include "platform.h"
-#include "gnunet_regex_lib.h"
+#include "regex_internal_lib.h"
+#include "regex_test_lib.h"
+#include "regex_internal.h"
enum Match_Result
{
enum Match_Result expected_results[20];
};
-static const char allowed_literals[] =
- "0123456789" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz";
+/**
+ * Random regex test. Generate a random regex as well as 'str_count' strings to
+ * match it against. Will match using GNUNET_REGEX implementation and compare
+ * the result to glibc regex result. 'rx_length' has to be smaller then
+ * 'max_str_len'.
+ *
+ * @param rx_length length of the regular expression.
+ * @param max_str_len maximum length of the random strings.
+ * @param str_count number of generated random strings.
+ *
+ * @return 0 on success, non 0 otherwise.
+ */
int
test_random (unsigned int rx_length, unsigned int max_str_len,
unsigned int str_count)
{
- int i;
- int j;
- int rx_exp;
- char rand_rx[rx_length + 1];
- char matching_str[str_count][max_str_len + 1];
- char *rand_rxp;
- char *matching_strp;
- int char_op_switch;
- int last_was_op;
- char current_char;
+ unsigned int i;
+ char *rand_rx;
+ char *matching_str;
int eval;
int eval_check;
- struct GNUNET_REGEX_Automaton *dfa;
+ int eval_canonical;
+ int eval_canonical_check;
+ struct REGEX_INTERNAL_Automaton *dfa;
regex_t rx;
regmatch_t matchptr[1];
char error[200];
int result;
- unsigned int str_len;
+ char *canonical_regex = NULL;
- // At least one string is needed for matching
+ /* At least one string is needed for matching */
GNUNET_assert (str_count > 0);
- // The string should be at least as long as the regex itself
+ /* The string should be at least as long as the regex itself */
GNUNET_assert (max_str_len >= rx_length);
- rand_rxp = rand_rx;
- matching_strp = matching_str[0];
- current_char = 0;
- last_was_op = 1;
+ /* Generate random regex and a string that matches the regex */
+ matching_str = GNUNET_malloc (rx_length + 1);
+ rand_rx = REGEX_TEST_generate_random_regex (rx_length, matching_str);
- // Generate random regex and a string that matches the regex
- for (i = 0; i < rx_length; i++)
+ /* Now match */
+ result = 0;
+ for (i = 0; i < str_count; i++)
{
- char_op_switch = 0 + (int) (1.0 * rand () / (RAND_MAX + 1.0));
-
- if (0 == char_op_switch && !last_was_op)
+ if (0 < i)
{
- last_was_op = 1;
- rx_exp = rand () % 4;
-
- switch (rx_exp)
- {
- case 0:
- current_char = '+';
- break;
- case 1:
- current_char = '*';
- break;
- case 2:
- current_char = '?';
- break;
- case 3:
- if (i < rx_length - 1) // '|' cannot be at the end
- current_char = '|';
- else
- current_char =
- allowed_literals[rand () % (sizeof (allowed_literals) - 1)];
- break;
- }
+ matching_str = REGEX_TEST_generate_random_string (max_str_len);
}
- else
+
+ /* Match string using DFA */
+ dfa = REGEX_INTERNAL_construct_dfa (rand_rx, strlen (rand_rx), 0);
+ if (NULL == dfa)
{
- current_char =
- allowed_literals[rand () % (sizeof (allowed_literals) - 1)];
- last_was_op = 0;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Constructing DFA failed\n");
+ goto error;
}
- if (current_char != '+' && current_char != '*' && current_char != '?' &&
- current_char != '|')
+ eval = REGEX_INTERNAL_eval (dfa, matching_str);
+ /* save the canonical regex for later comparison */
+ canonical_regex = GNUNET_strdup (REGEX_INTERNAL_get_canonical_regex (dfa));
+ REGEX_INTERNAL_automaton_destroy (dfa);
+
+ /* Match string using glibc regex */
+ if (0 != regcomp (&rx, rand_rx, REG_EXTENDED))
{
- *matching_strp = current_char;
- matching_strp++;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not compile regex using regcomp: %s\n", rand_rx);
+ goto error;
}
- *rand_rxp = current_char;
- rand_rxp++;
- }
- *rand_rxp = '\0';
- *matching_strp = '\0';
+ eval_check = regexec (&rx, matching_str, 1, matchptr, 0);
+ regfree (&rx);
- // Generate some random strings for matching...
- // Start at 1, because the first string is generated above during regex generation
- for (i = 1; i < str_count; i++)
- {
- str_len = rand () % max_str_len;
- for (j = 0; j < str_len; j++)
- matching_str[i][j] =
- allowed_literals[rand () % (sizeof (allowed_literals) - 1)];
- matching_str[i][str_len] = '\0';
- }
+ /* We only want to match the whole string, because that's what our DFA does,
+ * too. */
+ if (eval_check == 0 &&
+ (matchptr[0].rm_so != 0 || matchptr[0].rm_eo != strlen (matching_str)))
+ eval_check = 1;
- // Now match
- result = 0;
- for (i = 0; i < str_count; i++)
- {
- // Match string using DFA
- dfa = GNUNET_REGEX_construct_dfa (rand_rx, strlen (rand_rx));
+ /* Match canonical regex */
+ dfa =
+ REGEX_INTERNAL_construct_dfa (canonical_regex, strlen (canonical_regex),
+ 0);
if (NULL == dfa)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Constructing DFA failed\n");
- return -1;
+ goto error;
}
- eval = GNUNET_REGEX_eval (dfa, matching_str[i]);
- GNUNET_REGEX_automaton_destroy (dfa);
+ eval_canonical = REGEX_INTERNAL_eval (dfa, matching_str);
+ REGEX_INTERNAL_automaton_destroy (dfa);
- // Match string using glibc regex
- if (0 != regcomp (&rx, rand_rx, REG_EXTENDED))
+ if (0 != regcomp (&rx, canonical_regex, REG_EXTENDED))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Could not compile regex using regcomp\n");
- return -1;
+ "Could not compile regex using regcomp: %s\n",
+ canonical_regex);
+ goto error;
}
- eval_check = regexec (&rx, matching_str[i], 1, matchptr, 0);
+ eval_canonical_check = regexec (&rx, matching_str, 1, matchptr, 0);
regfree (&rx);
- // We only want to match the whole string, because that's what our DFA does, too.
- if (eval_check == 0 &&
- (matchptr[0].rm_so != 0 ||
- matchptr[0].rm_eo != strlen (matching_str[i])))
- eval_check = 1;
+ /* We only want to match the whole string, because that's what our DFA does,
+ * too. */
+ if (eval_canonical_check == 0 &&
+ (matchptr[0].rm_so != 0 || matchptr[0].rm_eo != strlen (matching_str)))
+ eval_canonical_check = 1;
- // compare result
- if (eval_check != eval)
+ /* compare results */
+ if (eval_check != eval || eval_canonical != eval_canonical_check)
{
regerror (eval_check, &rx, error, sizeof error);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unexpected result:\nregex: %s\nstring: %s\ngnunet regex: %i\nglibc regex: %i\nglibc error: %s\n\n",
- rand_rx, matching_str, eval, eval_check, error);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Unexpected result:\nregex: %s\ncanonical_regex: %s\n\
+ string: %s\ngnunet regex: %i\nglibc regex: %i\n\
+ canonical regex: %i\ncanonical regex glibc: %i\n\
+ glibc error: %s\n\n", rand_rx, canonical_regex, matching_str,
+ eval, eval_check, eval_canonical, eval_canonical_check, error);
result += 1;
}
+ GNUNET_free (canonical_regex);
+ GNUNET_free (matching_str);
+ canonical_regex = NULL;
+ matching_str = NULL;
}
+
+ GNUNET_free (rand_rx);
+
return result;
+
+error:
+ GNUNET_free_non_null (matching_str);
+ GNUNET_free_non_null (rand_rx);
+ GNUNET_free_non_null (canonical_regex);
+ return -1;
}
+/**
+ * Automaton test that compares the result of matching regular expression 'rx'
+ * with the strings and expected results in 'rxstr' with the result of matching
+ * the same strings with glibc regex.
+ *
+ * @param a automaton.
+ * @param rx compiled glibc regex.
+ * @param rxstr regular expression and strings with expected results to
+ * match against.
+ *
+ * @return 0 on successfull, non 0 otherwise
+ */
int
-test_automaton (struct GNUNET_REGEX_Automaton *a, regex_t * rx,
+test_automaton (struct REGEX_INTERNAL_Automaton *a, regex_t * rx,
struct Regex_String_Pair *rxstr)
{
int result;
for (i = 0; i < rxstr->string_count; i++)
{
- eval = GNUNET_REGEX_eval (a, rxstr->strings[i]);
+ eval = REGEX_INTERNAL_eval (a, rxstr->strings[i]);
eval_check = regexec (rx, rxstr->strings[i], 1, matchptr, 0);
- // We only want to match the whole string, because that's what our DFA does, too.
+ /* We only want to match the whole string, because that's what our DFA does,
+ * too. */
if (eval_check == 0 &&
(matchptr[0].rm_so != 0 ||
matchptr[0].rm_eo != strlen (rxstr->strings[i])))
result = 1;
regerror (eval_check, rx, error, sizeof error);
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unexpected result:\nregex: %s\nstring: %s\nexpected result: %i\n"
- "gnunet regex: %i\nglibc regex: %i\nglibc error: %s\nrm_so: %i\nrm_eo: %i\n\n",
- rxstr->regex, rxstr->strings[i], rxstr->expected_results[i],
- eval, eval_check, error, matchptr[0].rm_so,
- matchptr[0].rm_eo);
+ "Unexpected result:\nregex: %s\ncanonical_regex: %s\n"
+ "string: %s\nexpected result: %i\n"
+ "gnunet regex: %i\nglibc regex: %i\nglibc error: %s\n"
+ "rm_so: %i\nrm_eo: %i\n\n", rxstr->regex,
+ REGEX_INTERNAL_get_canonical_regex (a), rxstr->strings[i],
+ rxstr->expected_results[i], eval, eval_check, error,
+ matchptr[0].rm_so, matchptr[0].rm_eo);
}
}
return result;
int
main (int argc, char *argv[])
{
- GNUNET_log_setup ("test-regex",
-#if VERBOSE
- "DEBUG",
-#else
- "WARNING",
-#endif
- NULL);
-
- struct GNUNET_REGEX_Automaton *a;
+ GNUNET_log_setup ("test-regex", "WARNING", NULL);
+
+ struct REGEX_INTERNAL_Automaton *a;
regex_t rx;
int i;
int check_nfa;
int check_dfa;
int check_rand;
+ char *check_proof;
- struct Regex_String_Pair rxstr[4] = {
+ struct Regex_String_Pair rxstr[19] = {
{"ab?(abcd)?", 5,
{"ababcd", "abab", "aabcd", "a", "abb"},
{match, nomatch, match, match, nomatch}},
{"ab(c|d)+c*(a(b|c)d)+", 5,
- {"abcdcdcdcdddddabd", "abcd", "abcddddddccccccccccccccccccccccccabdacdabd",
+ {"abcdcdcdcdddddabd", "abcd",
+ "abcddddddccccccccccccccccccccccccabdacdabd",
"abccccca", "abcdcdcdccdabdabd"},
{match, nomatch, match, nomatch, match}},
{"ab+c*(a(bx|c)d)+", 5,
- {"abcdcdcdcdddddabd", "abcd", "abcddddddccccccccccccccccccccccccabdacdabd",
+ {"abcdcdcdcdddddabd", "abcd",
+ "abcddddddccccccccccccccccccccccccabdacdabd",
"abccccca", "abcdcdcdccdabdabd"},
{nomatch, nomatch, nomatch, nomatch, nomatch}},
+ {"a+X*y+c|p|R|Z*K*y*R+w|Y*6+n+h*k*w+V*F|W*B*e*", 1,
+ {"kaXycQepRZKyRwY6nhkwVFWBegNVtLPj39XhJJ6bEifRSZRYZg"},
+ {nomatch}},
{"k|a+X*y+c|Q*e|p|R|Z*K*y*R+w|Y*6+n+h*k*w+V*F|W*B*e*g|N+V|t+L|P*j*3*9+X*h*J|J*6|b|E*i*f*R+S|Z|R|Y*Z|g*", 1,
{"kaXycQepRZKyRwY6nhkwVFWBegNVtLPj39XhJJ6bEifRSZRYZg"},
- {nomatch}}
+ {nomatch}},
+ {"F?W+m+2*6*c*s|P?U?a|B|y*i+t+A|V|6*C*7*e?Z*n*i|J?5+g?W*V?7*j?p?1|r?B?C+E+3+6*i+W*P?K?0|D+7?y*m+3?g?K?", 1,
+ {"osfjsodfonONONOnosndfsdnfsd"},
+ {nomatch}},
+ {"V|M*o?x*p*d+h+b|E*m?h?Y*E*O?W*W*P+o?Z+H*M|I*q+C*a+5?5*9|b?z|G*y*k?R|p+u|8*h?B+l*H|e|L*O|1|F?v*0?5|C+", 1,
+ {"VMoxpdhbEmhYEOWWPoZHMIqCa559bzGykRpu8hBlHeLO1Fv05C"},
+ {nomatch}},
+ {"(bla)*", 8,
+ {"", "bla", "blabla", "bl", "la", "b", "l", "a"},
+ {match, match, match, nomatch, nomatch, nomatch, nomatch, nomatch}},
+ {"ab(c|d)+c*(a(b|c)+d)+(bla)(bla)*", 8,
+ {"ab", "abcabdbla", "abdcccccccccccabcbccdblablabla", "bl", "la", "b",
+ "l",
+ "a"},
+ {nomatch, match, match, nomatch, nomatch, nomatch, nomatch, nomatch}},
+ {"a|aa*a", 6,
+ {"", "a", "aa", "aaa", "aaaa", "aaaaa"},
+ {nomatch, match, match, match, match, match}},
+ {"ab(c|d)+c*(a(b|c)+d)+(bla)+", 1,
+ {"abcabdblaacdbla"},
+ {nomatch}},
+ {"(ac|b)+", 8,
+ {"b", "bb", "ac", "", "acb", "bacbacac", "acacac", "abc"},
+ {match, match, match, nomatch, match, match, match, nomatch}},
+ {"(ab|c)+", 7,
+ {"", "ab", "c", "abc", "ababcc", "acc", "abac"},
+ {nomatch, match, match, match, match, nomatch, nomatch}},
+ {"((j|2j)K|(j|2j)AK|(j|2j)(D|e|(j|2j)A(D|e))D*K)", 1,
+ {"", "2j2jADK", "j2jADK"},
+ {nomatch, match, match}},
+ {"((j|2j)K|(j|2j)(D|e|((j|2j)j|(j|2j)2j)A(D|e))D*K|(j|2j)AK)", 2,
+ {"", "2j2jjADK", "j2jADK"},
+ {nomatch, match, match}},
+ {"ab(c|d)+c*(a(b|c)d)+", 1,
+ {"abacd"},
+ {nomatch}},
+ {"d|5kl", 1,
+ {"d5kl"},
+ {nomatch}},
+ {"a()b", 1,
+ {"ab"},
+ {match}},
+ {"GNVPN-0001-PAD(001110101001001010(0|1)*|001110101001001010000(0|1)*|001110101001001010001(0|1)*|001110101001001010010(0|1)*|001110101001001010011(0|1)*|001110101001001010100(0|1)*|001110101001001010101(0|1)*|001110101001001010110(0|1)*|001110101001001010111(0|1)*|0011101010110110(0|1)*|001110101011011000000(0|1)*|001110101011011000001(0|1)*|001110101011011000010(0|1)*|001110101011011000011(0|1)*|001110101011011000100(0|1)*|001110101011011000101(0|1)*|001110101011011000110(0|1)*|001110101011011000111(0|1)*|001110101011011001000(0|1)*|001110101011011001001(0|1)*|001110101011011001010(0|1)*|001110101011011001011(0|1)*|001110101011011001100(0|1)*|001110101011011001101(0|1)*|001110101011011001110(0|1)*|001110101011011001111(0|1)*|001110101011011010000(0|1)*|001110101011011010001(0|1)*|001110101011011010010(0|1)*|001110101011011010011(0|1)*|001110101011011010100(0|1)*|001110101011011010101(0|1)*|001110101011011010110(0|1)*|001110101011011010111(0|1)*|001110101011011011000(0|1)*|001110101011011011001(0|1)*|001110101011011011010(0|1)*|001110101011011011011(0|1)*|001110101011011011100(0|1)*|001110101011011011101(0|1)*|001110101011011011110(0|1)*|001110101011011011111(0|1)*|0011101110111101(0|1)*|001110111011110100000(0|1)*|001110111011110100001(0|1)*|001110111011110100010(0|1)*|001110111011110100011(0|1)*|001110111011110100100(0|1)*|001110111011110100101(0|1)*|001110111011110100110(0|1)*|001110111011110100111(0|1)*|001110111011110101000(0|1)*|001110111011110101001(0|1)*|001110111011110101010(0|1)*|001110111011110101011(0|1)*|001110111011110101100(0|1)*|001110111011110101101(0|1)*|001110111011110101110(0|1)*|001110111011110101111(0|1)*|001110111011110110000(0|1)*|001110111011110110001(0|1)*|001110111011110110010(0|1)*|001110111011110110011(0|1)*|001110111011110110100(0|1)*|001110111011110110101(0|1)*|001110111011110110110(0|1)*|001110111011110110111(0|1)*|001110111011110111000(0|1)*|001110111011110111001(0|1)*|001110111011110111010(0|1)*|001110111011110111011(0|1)*|001110111011110111100(0|1)*|001110111011110111101(0|1)*|001110111011110111110(0|1)*|0111010001010110(0|1)*|011101000101011000000(0|1)*|011101000101011000001(0|1)*|011101000101011000010(0|1)*|011101000101011000011(0|1)*|011101000101011000100(0|1)*|011101000101011000101(0|1)*|011101000101011000110(0|1)*|011101000101011000111(0|1)*|011101000101011001000(0|1)*|011101000101011001001(0|1)*|011101000101011001010(0|1)*|011101000101011001011(0|1)*|011101000101011001100(0|1)*|011101000101011001101(0|1)*|011101000101011001110(0|1)*|011101000101011001111(0|1)*|011101000101011010000(0|1)*|011101000101011010001(0|1)*|011101000101011010010(0|1)*|011101000101011010011(0|1)*|011101000101011010100(0|1)*|011101000101011010101(0|1)*|011101000101011010110(0|1)*|011101000101011010111(0|1)*|011101000101011011000(0|1)*|011101000101011011001(0|1)*|011101000101011011010(0|1)*|011101000101011011011(0|1)*|011101000101011011100(0|1)*|011101000101011011101(0|1)*|011101000101011011110(0|1)*|011101000101011011111(0|1)*|0111010001010111(0|1)*|011101000101011100000(0|1)*|011101000101011100001(0|1)*|011101000101011100010(0|1)*|011101000101011100011(0|1)*|011101000101011100100(0|1)*|011101000101011100101(0|1)*|011101000101011100110(0|1)*|011101000101011100111(0|1)*|011101000101011101000(0|1)*|011101000101011101001(0|1)*|011101000101011101010(0|1)*|011101000101011101011(0|1)*|011101000101011101100(0|1)*|011101000101011101101(0|1)*|011101000101011101110(0|1)*|011101000101011101111(0|1)*|011101000101011110000(0|1)*|011101000101011110001(0|1)*|011101000101011110010(0|1)*|011101000101011110011(0|1)*|011101000101011110100(0|1)*|011101000101011110101(0|1)*|011101000101011110110(0|1)*|011101000101011110111(0|1)*|011101000101011111000(0|1)*|011101000101011111001(0|1)*|011101000101011111010(0|1)*|011101000101011111011(0|1)*|011101000101011111100(0|1)*|011101000101011111101(0|1)*|011101000101011111110(0|1)*|011101000101011111111(0|1)*|0111010001011000(0|1)*|011101000101100000000(0|1)*|011101000101100000001(0|1)*|011101000101100000010(0|1)*|011101000101100000011(0|1)*|011101000101100000100(0|1)*|011101000101100000101(0|1)*|011101000101100000110(0|1)*|011101000101100000111(0|1)*|011101000101100001000(0|1)*|011101000101100001001(0|1)*|011101000101100001010(0|1)*|011101000101100001011(0|1)*|011101000101100001100(0|1)*|011101000101100001101(0|1)*|011101000101100001110(0|1)*|011101000101100001111(0|1)*|011101000101100010000(0|1)*|011101000101100010001(0|1)*|011101000101100010010(0|1)*|011101000101100010011(0|1)*|011101000101100010100(0|1)*|011101000101100010101(0|1)*|011101000101100010110(0|1)*|011101000101100010111(0|1)*|011101000101100011000(0|1)*|011101000101100011001(0|1)*|011101000101100011010(0|1)*|011101000101100011011(0|1)*|011101000101100011100(0|1)*|011101000101100011101(0|1)*|011101000101100011110(0|1)*|011101000101100011111(0|1)*|01110100010110010(0|1)*|011101000101100100000(0|1)*|011101000101100100001(0|1)*|011101000101100100010(0|1)*|011101000101100100011(0|1)*|011101000101100100100(0|1)*|011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+ 2,
+ {"GNVPN-0001-PAD1101111010100101011101010101010101",
+ "GNVPN-0001-PAD11001010100111000101101010101"},
+ {match, match}}
};
check_nfa = 0;
check_dfa = 0;
check_rand = 0;
- for (i = 0; i < 4; i++)
+ for (i = 0; i < 19; i++)
{
if (0 != regcomp (&rx, rxstr[i].regex, REG_EXTENDED))
{
return 1;
}
- // NFA test
- a = GNUNET_REGEX_construct_nfa (rxstr[i].regex, strlen (rxstr[i].regex));
+ /* NFA test */
+ a = REGEX_INTERNAL_construct_nfa (rxstr[i].regex, strlen (rxstr[i].regex));
check_nfa += test_automaton (a, &rx, &rxstr[i]);
- GNUNET_REGEX_automaton_destroy (a);
+ REGEX_INTERNAL_automaton_destroy (a);
+
+ /* DFA test */
+ a = REGEX_INTERNAL_construct_dfa (rxstr[i].regex, strlen (rxstr[i].regex), 0);
+ check_dfa += test_automaton (a, &rx, &rxstr[i]);
+ check_proof = GNUNET_strdup (REGEX_INTERNAL_get_canonical_regex (a));
+ REGEX_INTERNAL_automaton_destroy (a);
- // DFA test
- a = GNUNET_REGEX_construct_dfa (rxstr[i].regex, strlen (rxstr[i].regex));
+ a = REGEX_INTERNAL_construct_dfa (check_proof, strlen (check_proof), 0);
check_dfa += test_automaton (a, &rx, &rxstr[i]);
- GNUNET_REGEX_automaton_destroy (a);
+ REGEX_INTERNAL_automaton_destroy (a);
+ if (0 != check_dfa)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "check_proof: %s\n", check_proof);
+ GNUNET_free_non_null (check_proof);
regfree (&rx);
}
+ /* Random tests */
srand (time (NULL));
- for (i = 0; i < 100; i++)
- check_rand += test_random (100, 150, 20);
+ for (i = 0; i < 20; i++)
+ check_rand += test_random (50, 60, 10);
return check_nfa + check_dfa + check_rand;
}
projects / oweals / gnunet.git / blobdiff