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first attempt at www downlods WIP

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This commit is contained in:
Andrew Pamment 2018-01-23 20:57:58 +10:00
parent 9ee460ca51
commit 84a3d271df
18 changed files with 1318 additions and 12 deletions
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28
STRINGS.CHANGES Normal file
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New / Changed Strings in dist/magicka.strings
--------------------------------------------------------------
If you are using your own custom strings file, you will need
to add / modify the new string on the line specified. Be sure
to remove the start and end quotation marks.
Changes from v0.8-alpha -> v0.9-alpha
--------------------------------------------------------------
LINE: 255 NEW
OLDSTRING: (NONE)
NEWSTRING: "\r\n\e[1;37mSending file %s...\r\n"
LINE 256 NEW
OLDSTRING: (NONE)
NEWSTRING: "\r\n\e[1;34mFilename\e[1;30m: \e[1;37m%s\e[0m\r\n"
LINE 257 NEW
OLDSTRING: (NONE)
NEWSTRING: " \e[1;34mURL\e[1;30m: \e[1;37m%s\e[0m\r\n"
LINE 258 NEW
OLDSTRING: (NONE)
NEWSTRING: "\r\n\e[1;31mError creating URL!\e[0m\r\n"
LINE 259 NEW
OLDSTRING: (NONE)
NEWSTRING: "\e[1;33mSorry this BBS does not have the webserver enabled.\e[0m\r\n"

831
deps/hashids/hashids.c vendored Normal file
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <math.h>
#include "hashids.h"
/* branch prediction hinting */
#ifndef __has_builtin
# define __has_builtin(x) (0)
#endif
#if defined(__builtin_expect) || __has_builtin(__builtin_expect)
# define HASHIDS_LIKELY(x) (__builtin_expect(!!(x), 1))
# define HASHIDS_UNLIKELY(x) (__builtin_expect(!!(x), 0))
#else
# define HASHIDS_LIKELY(x) (x)
# define HASHIDS_UNLIKELY(x) (x)
#endif
/* thread-local storage */
#ifndef TLS
#define TLS
#endif
/* thread-safe hashids_errno indirection */
TLS int __hashids_errno_val;
int *
__hashids_errno_addr()
{
return &__hashids_errno_val;
}
/* default alloc() implementation */
static inline void *
hashids_alloc_f(size_t size)
{
return calloc(size, 1);
}
/* default free() implementation */
static inline void
hashids_free_f(void *ptr)
{
free(ptr);
}
void *(*_hashids_alloc)(size_t size) = hashids_alloc_f;
void (*_hashids_free)(void *ptr) = hashids_free_f;
/* fast ceil(x / y) for size_t arguments */
static inline size_t
hashids_div_ceil_size_t(size_t x, size_t y)
{
return x / y + !!(x % y);
}
/* fast ceil(x / y) for unsigned short arguments */
static inline unsigned short
hashids_div_ceil_unsigned_short(unsigned short x, unsigned short y) {
return x / y + !!(x % y);
}
/* fast log2(x) for unsigned long long */
const unsigned short hashids_log2_64_tab[64] = {
63, 0, 58, 1, 59, 47, 53, 2,
60, 39, 48, 27, 54, 33, 42, 3,
61, 51, 37, 40, 49, 18, 28, 20,
55, 30, 34, 11, 43, 14, 22, 4,
62, 57, 46, 52, 38, 26, 32, 41,
50, 36, 17, 19, 29, 10, 13, 21,
56, 45, 25, 31, 35, 16, 9, 12,
44, 24, 15, 8, 23, 7, 6, 5
};
static inline unsigned short
hashids_log2_64(unsigned long long x)
{
x |= x >> 1;
x |= x >> 2;
x |= x >> 4;
x |= x >> 8;
x |= x >> 16;
x |= x >> 32;
/* pure evil : ieee abuse */
return hashids_log2_64_tab[
((unsigned long long)((x - (x >> 1)) * 0x07EDD5E59A4E28C2)) >> 58];
}
/* shuffle loop step */
#define hashids_shuffle_step(iter) \
if (i == 0) { break; } \
if (v == salt_length) { v = 0; } \
p += salt[v]; j = (salt[v] + v + p) % (iter); \
temp = str[(iter)]; str[(iter)] = str[j]; str[j] = temp; \
--i; ++v;
/* consistent shuffle */
void
hashids_shuffle(char *str, size_t str_length, char *salt, size_t salt_length)
{
ssize_t i;
size_t j, v, p;
char temp;
/* meh, meh */
if (!salt_length) {
return;
}
/* pure evil : loop unroll */
for (i = str_length - 1, v = 0, p = 0; i > 0; /* empty */) {
switch (i % 32) {
case 31: hashids_shuffle_step(i);
case 30: hashids_shuffle_step(i);
case 29: hashids_shuffle_step(i);
case 28: hashids_shuffle_step(i);
case 27: hashids_shuffle_step(i);
case 26: hashids_shuffle_step(i);
case 25: hashids_shuffle_step(i);
case 24: hashids_shuffle_step(i);
case 23: hashids_shuffle_step(i);
case 22: hashids_shuffle_step(i);
case 21: hashids_shuffle_step(i);
case 20: hashids_shuffle_step(i);
case 19: hashids_shuffle_step(i);
case 18: hashids_shuffle_step(i);
case 17: hashids_shuffle_step(i);
case 16: hashids_shuffle_step(i);
case 15: hashids_shuffle_step(i);
case 14: hashids_shuffle_step(i);
case 13: hashids_shuffle_step(i);
case 12: hashids_shuffle_step(i);
case 11: hashids_shuffle_step(i);
case 10: hashids_shuffle_step(i);
case 9: hashids_shuffle_step(i);
case 8: hashids_shuffle_step(i);
case 7: hashids_shuffle_step(i);
case 6: hashids_shuffle_step(i);
case 5: hashids_shuffle_step(i);
case 4: hashids_shuffle_step(i);
case 3: hashids_shuffle_step(i);
case 2: hashids_shuffle_step(i);
case 1: hashids_shuffle_step(i);
case 0: hashids_shuffle_step(i);
}
}
}
/* "destructor" */
void
hashids_free(hashids_t *hashids)
{
if (hashids) {
if (hashids->alphabet) {
_hashids_free(hashids->alphabet);
}
if (hashids->alphabet_copy_1) {
_hashids_free(hashids->alphabet_copy_1);
}
if (hashids->alphabet_copy_2) {
_hashids_free(hashids->alphabet_copy_2);
}
if (hashids->salt) {
_hashids_free(hashids->salt);
}
if (hashids->separators) {
_hashids_free(hashids->separators);
}
if (hashids->guards) {
_hashids_free(hashids->guards);
}
_hashids_free(hashids);
}
}
/* common init */
hashids_t *
hashids_init3(const char *salt, size_t min_hash_length, const char *alphabet)
{
hashids_t *result;
size_t i, j, len;
char ch, *p;
hashids_errno = HASHIDS_ERROR_OK;
/* allocate the structure */
result = _hashids_alloc(sizeof(hashids_t));
if (HASHIDS_UNLIKELY(!result)) {
hashids_errno = HASHIDS_ERROR_ALLOC;
return NULL;
}
/* allocate enough space for the alphabet */
len = strlen(alphabet) + 1;
result->alphabet = _hashids_alloc(len);
/* extract only the unique characters */
result->alphabet[0] = '\0';
for (i = 0, j = 0; i < len; ++i) {
ch = alphabet[i];
if (!strchr(result->alphabet, ch)) {
result->alphabet[j++] = ch;
}
}
result->alphabet[j] = '\0';
/* store alphabet length */
result->alphabet_length = j;
/* check length and whitespace */
if (result->alphabet_length < HASHIDS_MIN_ALPHABET_LENGTH) {
hashids_free(result);
hashids_errno = HASHIDS_ERROR_ALPHABET_LENGTH;
return NULL;
}
if (strchr(result->alphabet, 0x20) || strchr(result->alphabet, 0x09)) {
hashids_free(result);
hashids_errno = HASHIDS_ERROR_ALPHABET_SPACE;
return NULL;
}
/* copy salt */
result->salt_length = salt ? strlen(salt) : 0;
result->salt = _hashids_alloc(result->salt_length + 1);
if (HASHIDS_UNLIKELY(!result->salt)) {
hashids_free(result);
hashids_errno = HASHIDS_ERROR_ALLOC;
return NULL;
}
strncpy(result->salt, salt, result->salt_length);
/* allocate enough space for separators */
len = strlen(HASHIDS_DEFAULT_SEPARATORS);
j = (size_t)
(ceil((float)result->alphabet_length / HASHIDS_SEPARATOR_DIVISOR) + 1);
if (j < len + 1) {
j = len + 1;
}
result->separators = _hashids_alloc(j);
if (HASHIDS_UNLIKELY(!result->separators)) {
hashids_free(result);
hashids_errno = HASHIDS_ERROR_ALLOC;
return NULL;
}
/* take default separators out of the alphabet */
for (i = 0, j = 0; i < strlen(HASHIDS_DEFAULT_SEPARATORS); ++i) {
ch = HASHIDS_DEFAULT_SEPARATORS[i];
/* check if separator is actually in the used alphabet */
if ((p = strchr(result->alphabet, ch))) {
result->separators[j++] = ch;
/* remove that separator */
memmove(p, p + 1,
strlen(result->alphabet) - (p - result->alphabet));
}
}
/* store separators length */
result->separators_count = j;
/* subtract separators count from alphabet length */
result->alphabet_length -= result->separators_count;
/* shuffle the separators */
if (result->separators_count) {
hashids_shuffle(result->separators, result->separators_count,
result->salt, result->salt_length);
}
/* check if we have any/enough separators */
if (!result->separators_count
|| (((float)result->alphabet_length / (float)result->separators_count)
> HASHIDS_SEPARATOR_DIVISOR)) {
size_t separators_count = (size_t)ceil(
(float)result->alphabet_length / HASHIDS_SEPARATOR_DIVISOR);
if (separators_count == 1) {
separators_count = 2;
}
if (separators_count > result->separators_count) {
/* we need more separators - get some from alphabet */
size_t diff = separators_count - result->separators_count;
strncat(result->separators, result->alphabet, diff);
memmove(result->alphabet, result->alphabet + diff,
result->alphabet_length - diff + 1);
result->separators_count += diff;
result->alphabet_length -= diff;
} else {
/* we have more than enough - truncate */
result->separators[separators_count] = '\0';
result->separators_count = separators_count;
}
}
/* shuffle alphabet */
hashids_shuffle(result->alphabet, result->alphabet_length,
result->salt, result->salt_length);
/* allocate guards */
result->guards_count = hashids_div_ceil_size_t(result->alphabet_length,
HASHIDS_GUARD_DIVISOR);
result->guards = _hashids_alloc(result->guards_count + 1);
if (HASHIDS_UNLIKELY(!result->guards)) {
hashids_free(result);
hashids_errno = HASHIDS_ERROR_ALLOC;
return NULL;
}
if (HASHIDS_UNLIKELY(result->alphabet_length < 3)) {
/* take some from separators */
strncpy(result->guards, result->separators, result->guards_count);
memmove(result->separators, result->separators + result->guards_count,
result->separators_count - result->guards_count + 1);
result->separators_count -= result->guards_count;
} else {
/* take them from alphabet */
strncpy(result->guards, result->alphabet, result->guards_count);
memmove(result->alphabet, result->alphabet + result->guards_count,
result->alphabet_length - result->guards_count + 1);
result->alphabet_length -= result->guards_count;
}
/* allocate enough space for the alphabet copies */
result->alphabet_copy_1 = _hashids_alloc(result->alphabet_length + 1);
result->alphabet_copy_2 = _hashids_alloc(result->alphabet_length + 1);
if (HASHIDS_UNLIKELY(!result->alphabet || !result->alphabet_copy_1
|| !result->alphabet_copy_2)) {
hashids_free(result);
hashids_errno = HASHIDS_ERROR_ALLOC;
return NULL;
}
/* set min hash length */
result->min_hash_length = min_hash_length;
/* return result happily */
return result;
}
/* init with salt and minimum hash length */
hashids_t *
hashids_init2(const char *salt, size_t min_hash_length)
{
return hashids_init3(salt, min_hash_length, HASHIDS_DEFAULT_ALPHABET);
}
/* init with hash only */
hashids_t *
hashids_init(const char *salt)
{
return hashids_init2(salt, HASHIDS_DEFAULT_MIN_HASH_LENGTH);
}
/* estimate buffer size (generic) */
size_t
hashids_estimate_encoded_size(hashids_t *hashids,
size_t numbers_count, unsigned long long *numbers)
{
int i, result_len;
for (i = 0, result_len = 1; i < numbers_count; ++i) {
if (numbers[i] == 0) {
result_len += 2;
} else if (numbers[i] == 0xFFFFFFFFFFFFFFFFull) {
result_len += hashids_div_ceil_unsigned_short(
hashids_log2_64(numbers[i]),
hashids_log2_64(hashids->alphabet_length)) - 1;
} else {
result_len += hashids_div_ceil_unsigned_short(
hashids_log2_64(numbers[i] + 1),
hashids_log2_64(hashids->alphabet_length));
}
}
if (numbers_count > 1) {
result_len += numbers_count - 1;
}
if (result_len < hashids->min_hash_length) {
result_len = hashids->min_hash_length;
}
return result_len + 2 /* fast log2 & ceil sometimes undershoot by 1 */;
}
/* estimate buffer size (variadic) */
size_t
hashids_estimate_encoded_size_v(hashids_t *hashids,
size_t numbers_count, ...)
{
size_t i, result;
unsigned long long *numbers;
va_list ap;
numbers = _hashids_alloc(numbers_count * sizeof(unsigned long long));
if (HASHIDS_UNLIKELY(!numbers)) {
hashids_errno = HASHIDS_ERROR_ALLOC;
return 0;
}
va_start(ap, numbers_count);
for (i = 0; i < numbers_count; ++i) {
numbers[i] = va_arg(ap, unsigned long long);
}
va_end(ap);
result = hashids_estimate_encoded_size(hashids, numbers_count, numbers);
_hashids_free(numbers);
return result;
}
/* encode many (generic) */
size_t
hashids_encode(hashids_t *hashids, char *buffer,
size_t numbers_count, unsigned long long *numbers)
{
/* bail out if no numbers */
if (HASHIDS_UNLIKELY(!numbers_count)) {
buffer[0] = '\0';
return 0;
}
size_t i, j, result_len, guard_index, half_length_ceil, half_length_floor;
unsigned long long number, number_copy, numbers_hash;
int p_max;
char lottery, ch, temp_ch, *p, *buffer_end, *buffer_temp;
/* return an estimation if no buffer */
if (HASHIDS_UNLIKELY(!buffer)) {
return hashids_estimate_encoded_size(hashids, numbers_count, numbers);
}
/* copy the alphabet into internal buffer 1 */
strncpy(hashids->alphabet_copy_1, hashids->alphabet,
hashids->alphabet_length);
/* walk arguments once and generate a hash */
for (i = 0, numbers_hash = 0; i < numbers_count; ++i) {
number = numbers[i];
numbers_hash += number % (i + 100);
}
/* lottery character */
lottery = hashids->alphabet[numbers_hash % hashids->alphabet_length];
/* start output buffer with it (or don't) */
buffer[0] = lottery;
buffer_end = buffer + 1;
/* alphabet-like buffer used for salt at each iteration */
hashids->alphabet_copy_2[0] = lottery;
hashids->alphabet_copy_2[1] = '\0';
strncat(hashids->alphabet_copy_2, hashids->salt,
hashids->alphabet_length - 1);
p = hashids->alphabet_copy_2 + hashids->salt_length + 1;
p_max = hashids->alphabet_length - 1 - hashids->salt_length;
if (p_max > 0) {
strncat(hashids->alphabet_copy_2, hashids->alphabet,
p_max);
} else {
hashids->alphabet_copy_2[hashids->alphabet_length] = '\0';
}
for (i = 0; i < numbers_count; ++i) {
/* take number */
number = number_copy = numbers[i];
/* create a salt for this iteration */
if (p_max > 0) {
strncpy(p, hashids->alphabet_copy_1, p_max);
}
/* shuffle the alphabet */
hashids_shuffle(hashids->alphabet_copy_1, hashids->alphabet_length,
hashids->alphabet_copy_2, hashids->alphabet_length);
/* hash the number */
buffer_temp = buffer_end;
do {
ch = hashids->alphabet_copy_1[number % hashids->alphabet_length];
*buffer_end++ = ch;
number /= hashids->alphabet_length;
} while (number);
/* reverse the hash we got */
for (j = 0; j < (buffer_end - buffer_temp) / 2; ++j) {
temp_ch = *(buffer_temp + j);
*(buffer_temp + j) = *(buffer_end - 1 - j);
*(buffer_end - 1 - j) = temp_ch;
}
if (i + 1 < numbers_count) {
number_copy %= ch + i;
*buffer_end = hashids->separators[number_copy %
hashids->separators_count];
++buffer_end;
}
}
/* intermediate string length */
result_len = buffer_end - buffer;
if (result_len < hashids->min_hash_length) {
/* add a guard before the encoded numbers */
guard_index = (numbers_hash + buffer[0]) % hashids->guards_count;
memmove(buffer + 1, buffer, result_len);
buffer[0] = hashids->guards[guard_index];
++result_len;
if (result_len < hashids->min_hash_length) {
/* add a guard after the encoded numbers */
guard_index = (numbers_hash + buffer[2]) % hashids->guards_count;
buffer[result_len] = hashids->guards[guard_index];
++result_len;
/* pad with half alphabet before and after */
half_length_ceil = hashids_div_ceil_size_t(
hashids->alphabet_length, 2);
half_length_floor = floor((float)hashids->alphabet_length / 2);
/* pad, pad, pad */
while (result_len < hashids->min_hash_length) {
/* shuffle the alphabet */
strncpy(hashids->alphabet_copy_2, hashids->alphabet_copy_1,
hashids->alphabet_length);
hashids_shuffle(hashids->alphabet_copy_1,
hashids->alphabet_length, hashids->alphabet_copy_2,
hashids->alphabet_length);
/* left pad from the end of the alphabet */
i = hashids_div_ceil_size_t(
hashids->min_hash_length - result_len, 2);
/* right pad from the beginning */
j = floor((float)(hashids->min_hash_length - result_len) / 2);
/* check bounds */
if (i > half_length_ceil) {
i = half_length_ceil;
}
if (j > half_length_floor) {
j = half_length_floor;
}
/* handle excessively excessive excess */
if ((i + j) % 2 == 0 && hashids->alphabet_length % 2 == 1) {
++i; --j;
}
/* move the current result to "center" */
memmove(buffer + i, buffer, result_len);
/* pad left */
memmove(buffer,
hashids->alphabet_copy_1 + hashids->alphabet_length - i, i);
/* pad right */
memmove(buffer + i + result_len, hashids->alphabet_copy_1, j);
/* increment result_len */
result_len += i + j;
}
}
}
buffer[result_len] = '\0';
return result_len;
}
/* encode many (variadic) */
size_t
hashids_encode_v(hashids_t *hashids, char *buffer,
size_t numbers_count, ...)
{
int i;
size_t result;
unsigned long long *numbers;
va_list ap;
numbers = _hashids_alloc(numbers_count * sizeof(unsigned long long));
if (HASHIDS_UNLIKELY(!numbers)) {
hashids_errno = HASHIDS_ERROR_ALLOC;
return 0;
}
va_start(ap, numbers_count);
for (i = 0; i < numbers_count; ++i) {
numbers[i] = va_arg(ap, unsigned long long);
}
va_end(ap);
result = hashids_encode(hashids, buffer, numbers_count, numbers);
_hashids_free(numbers);
return result;
}
/* encode one */
size_t
hashids_encode_one(hashids_t *hashids, char *buffer,
unsigned long long number)
{
return hashids_encode(hashids, buffer, 1, &number);
}
/* numbers count */
size_t
hashids_numbers_count(hashids_t *hashids, char *str)
{
size_t numbers_count;
char ch, *p;
/* skip characters until we find a guard */
if (hashids->min_hash_length) {
p = str;
while ((ch = *p)) {
if (strchr(hashids->guards, ch)) {
str = p + 1;
break;
}
p++;
}
}
/* parse */
numbers_count = 0;
while ((ch = *str)) {
if (strchr(hashids->guards, ch)) {
break;
}
if (strchr(hashids->separators, ch)) {
numbers_count++;
str++;
continue;
}
if (!strchr(hashids->alphabet, ch)) {
hashids_errno = HASHIDS_ERROR_INVALID_HASH;
return 0;
}
str++;
}
/* account for the last number */
return numbers_count + 1;
}
/* decode */
size_t
hashids_decode(hashids_t *hashids, char *str,
unsigned long long *numbers)
{
size_t numbers_count;
unsigned long long number;
char lottery, ch, *p, *c;
int p_max;
numbers_count = hashids_numbers_count(hashids, str);
if (!numbers) {
return numbers_count;
}
/* skip characters until we find a guard */
if (hashids->min_hash_length) {
p = str;
while ((ch = *p)) {
if (strchr(hashids->guards, ch)) {
str = p + 1;
break;
}
p++;
}
}
/* get the lottery character */
lottery = *str++;
/* copy the alphabet into internal buffer 1 */
strncpy(hashids->alphabet_copy_1, hashids->alphabet,
hashids->alphabet_length);
/* alphabet-like buffer used for salt at each iteration */
hashids->alphabet_copy_2[0] = lottery;
hashids->alphabet_copy_2[1] = '\0';
strncat(hashids->alphabet_copy_2, hashids->salt,
hashids->alphabet_length - 1);
p = hashids->alphabet_copy_2 + hashids->salt_length + 1;
p_max = hashids->alphabet_length - 1 - hashids->salt_length;
if (p_max > 0) {
strncat(hashids->alphabet_copy_2, hashids->alphabet,
p_max);
} else {
hashids->alphabet_copy_2[hashids->alphabet_length] = '\0';
}
/* first shuffle */
hashids_shuffle(hashids->alphabet_copy_1, hashids->alphabet_length,
hashids->alphabet_copy_2, hashids->alphabet_length);
/* parse */
number = 0;
while ((ch = *str)) {
if (strchr(hashids->guards, ch)) {
break;
}
if (strchr(hashids->separators, ch)) {
*numbers++ = number;
number = 0;
/* resalt the alphabet */
if (p_max > 0) {
strncpy(p, hashids->alphabet_copy_1, p_max);
}
hashids_shuffle(hashids->alphabet_copy_1, hashids->alphabet_length,
hashids->alphabet_copy_2, hashids->alphabet_length);
str++;
continue;
}
if (!(c = strchr(hashids->alphabet_copy_1, ch))) {
hashids_errno = HASHIDS_ERROR_INVALID_HASH;
return 0;
}
number *= hashids->alphabet_length;
number += c - hashids->alphabet_copy_1;
str++;
}
/* store last number */
*numbers = number;
return numbers_count;
}
/* encode hex */
size_t
hashids_encode_hex(hashids_t *hashids, char *buffer,
const char *hex_str)
{
int len;
char *temp, *p;
size_t result;
unsigned long long number;
len = strlen(hex_str);
temp = _hashids_alloc(len + 2);
if (!temp) {
hashids_errno = HASHIDS_ERROR_ALLOC;
return 0;
}
temp[0] = '1';
strncpy(temp + 1, hex_str, len);
number = strtoull(temp, &p, 16);
if (p == temp) {
_hashids_free(temp);
hashids_errno = HASHIDS_ERROR_INVALID_NUMBER;
return 0;
}
result = hashids_encode(hashids, buffer, 1, &number);
_hashids_free(temp);
return result;
}
/* decode hex */
size_t
hashids_decode_hex(hashids_t *hashids, char *str, char *output)
{
size_t result, i;
unsigned long long number;
char ch, *temp;
result = hashids_numbers_count(hashids, str);
if (result != 1) {
return 0;
}
result = hashids_decode(hashids, str, &number);
if (result != 1) {
return 0;
}
temp = output;
do {
ch = number % 16;
if (ch > 9) {
ch += 'A' - 10;
} else {
ch += '0';
}
*temp++ = (char)ch;
number /= 16;
} while (number);
temp--;
*temp = 0;
for (i = 0; i < (temp - output) / 2; ++i) {
ch = *(output + i);
*(output + i) = *(temp - 1 - i);
*(temp - 1 - i) = ch;
}
return 1;
}

122
deps/hashids/hashids.h vendored Normal file
View File

@ -0,0 +1,122 @@
#ifndef HASHIDS_H
#define HASHIDS_H 1
#include <stdlib.h>
/* version constants */
#define HASHIDS_VERSION "1.1.5"
#define HASHIDS_VERSION_MAJOR 1
#define HASHIDS_VERSION_MINOR 1
#define HASHIDS_VERSION_PATCH 5
/* minimal alphabet length */
#define HASHIDS_MIN_ALPHABET_LENGTH 16u
/* separator divisor */
#define HASHIDS_SEPARATOR_DIVISOR 3.5f
/* guard divisor */
#define HASHIDS_GUARD_DIVISOR 12u
/* default salt */
#define HASHIDS_DEFAULT_SALT ""
/* default minimal hash length */
#define HASHIDS_DEFAULT_MIN_HASH_LENGTH 0u
/* default alphabet */
#define HASHIDS_DEFAULT_ALPHABET "abcdefghijklmnopqrstuvwxyz" \
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
"1234567890"
/* default separators */
#define HASHIDS_DEFAULT_SEPARATORS "cfhistuCFHISTU"
/* error codes */
#define HASHIDS_ERROR_OK 0
#define HASHIDS_ERROR_ALLOC -1
#define HASHIDS_ERROR_ALPHABET_LENGTH -2
#define HASHIDS_ERROR_ALPHABET_SPACE -3
#define HASHIDS_ERROR_INVALID_HASH -4
#define HASHIDS_ERROR_INVALID_NUMBER -5
/* thread-safe hashids_errno indirection */
extern int *__hashids_errno_addr();
#define hashids_errno (*__hashids_errno_addr())
/* alloc & free */
extern void *(*_hashids_alloc)(size_t size);
extern void (*_hashids_free)(void *ptr);
/* the hashids "object" */
struct hashids_s {
char *alphabet;
char *alphabet_copy_1;
char *alphabet_copy_2;
size_t alphabet_length;
char *salt;
size_t salt_length;
char *separators;
size_t separators_count;
char *guards;
size_t guards_count;
size_t min_hash_length;
};
typedef struct hashids_s hashids_t;
/* exported function definitions */
void
hashids_shuffle(char *str, size_t str_length, char *salt, size_t salt_length);
void
hashids_free(hashids_t *hashids);
hashids_t *
hashids_init3(const char *salt, size_t min_hash_length,
const char *alphabet);
hashids_t *
hashids_init2(const char *salt, size_t min_hash_length);
hashids_t *
hashids_init(const char *salt);
size_t
hashids_estimate_encoded_size(hashids_t *hashids,
size_t numbers_count, unsigned long long *numbers);
size_t
hashids_estimate_encoded_size_v(hashids_t *hashids,
size_t numbers_count, ...);
size_t
hashids_encode(hashids_t *hashids, char *buffer,
size_t numbers_count, unsigned long long *numbers);
size_t
hashids_encode_v(hashids_t *hashids, char *buffer,
size_t numbers_count, ...);
size_t
hashids_encode_one(hashids_t *hashids, char *buffer,
unsigned long long number);
size_t
hashids_numbers_count(hashids_t *hashids, char *str);
size_t
hashids_decode(hashids_t *hashids, char *str,
unsigned long long *numbers);
size_t
hashids_encode_hex(hashids_t *hashids, char *buffer,
const char *hex_str);
size_t
hashids_decode_hex(hashids_t *hashids, char *str, char *output);
#endif

5
dist/magicka.strings vendored
View File

@ -252,3 +252,8 @@ File exists!\r\n
\e[1;37;44mChoose an Area in %s\e[K \e[1;37;44mChoose an Area in %s\e[K
\e[1;37;44mChoose an Subdir in %s\e[K \e[1;37;44mChoose an Subdir in %s\e[K
\e[1;37;44mChoose a Directory\e[K \e[1;37;44mChoose a Directory\e[K
\r\n\e[1;37mSending file %s...\r\n
\r\n\e[1;34mFilename\e[1;30m: \e[1;37m%s\e[0m\r\n
\e[1;34mURL\e[1;30m: \e[1;37m%s\e[0m\r\n
\r\n\e[1;31mError creating URL!\e[0m\r\n
\e[1;33mSorry this BBS does not have the webserver enabled.\e[0m\r\n

3
dist/menus/file.mnu vendored
View File

@ -16,6 +16,9 @@ COMMAND UPLOAD
HOTKEY D HOTKEY D
COMMAND DOWNLOAD COMMAND DOWNLOAD
HOTKEY W
COMMAND GENWWWURLS
HOTKEY C HOTKEY C
COMMAND CLEARTAGGED COMMAND CLEARTAGGED

2
src/Makefile.freebsd.WWW
View File

@ -34,7 +34,7 @@ $(CDK):
cd ../deps/cdk-5.0-20161210/ && export CPPFLAGS=-I/usr/local/include && ./configure --with-ncurses cd ../deps/cdk-5.0-20161210/ && export CPPFLAGS=-I/usr/local/include && ./configure --with-ncurses
cd ../deps/cdk-5.0-20161210/ && $(MAKE) cd ../deps/cdk-5.0-20161210/ && $(MAKE)
OBJ = ../deps/aha/aha.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o bluewave.o www.o www_email.o www_msgs.o www_last10.o hashmap/hashmap.o menus.o OBJ = ../deps/aha/aha.o ../deps/hashids/hashids.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o bluewave.o www.o www_email.o www_msgs.o www_last10.o www_files.o hashmap/hashmap.o menus.o
%.o: %.c $(DEPS) %.o: %.c $(DEPS)
$(CC) -c -o $@ $< $(CFLAGS) $(CC) -c -o $@ $< $(CFLAGS)

2
src/Makefile.linux.WWW
View File

@ -34,7 +34,7 @@ $(CDK):
cd ../deps/cdk-5.0-20161210/ && ./configure cd ../deps/cdk-5.0-20161210/ && ./configure
cd ../deps/cdk-5.0-20161210/ && $(MAKE) cd ../deps/cdk-5.0-20161210/ && $(MAKE)
OBJ = ../deps/aha/aha.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o www.o www_email.o www_msgs.o www_last10.o bluewave.o hashmap/hashmap.o menus.o OBJ = ../deps/aha/aha.o ../deps/hashids/hashids.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o www.o www_email.o www_msgs.o www_last10.o www_files.o bluewave.o hashmap/hashmap.o menus.o
%.o: %.c $(DEPS) %.o: %.c $(DEPS)
$(CC) -c -o $@ $< $(CFLAGS) $(CC) -c -o $@ $< $(CFLAGS)

2
src/Makefile.netbsd.WWW
View File

@ -34,7 +34,7 @@ $(CDK):
cd ../deps/cdk-5.0-20161210/ && export CPPFLAGS=-I/usr/pkg/include && ./configure --with-ncurses cd ../deps/cdk-5.0-20161210/ && export CPPFLAGS=-I/usr/pkg/include && ./configure --with-ncurses
cd ../deps/cdk-5.0-20161210/ && $(MAKE) cd ../deps/cdk-5.0-20161210/ && $(MAKE)
OBJ = ../deps/aha/aha.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o bluewave.o www.o www_email.o www_msgs.o www_last10.o hashmap/hashmap.o menus.o OBJ = ../deps/aha/aha.o ../deps/hashids/hashids.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o bluewave.o www.o www_email.o www_msgs.o www_last10.o www_files.o hashmap/hashmap.o menus.o
%.o: %.c $(DEPS) %.o: %.c $(DEPS)
$(CC) -c -o $@ $< $(CFLAGS) $(CC) -c -o $@ $< $(CFLAGS)

2
src/Makefile.openbsd.WWW
View File

@ -34,7 +34,7 @@ $(CDK):
cd ../deps/cdk-5.0-20161210/ && export CPPFLAGS=-I/usr/pkg/include && ./configure --with-ncurses cd ../deps/cdk-5.0-20161210/ && export CPPFLAGS=-I/usr/pkg/include && ./configure --with-ncurses
cd ../deps/cdk-5.0-20161210/ && $(MAKE) cd ../deps/cdk-5.0-20161210/ && $(MAKE)
OBJ = ../deps/aha/aha.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o bluewave.o www.o www_email.o www_msgs.o www_last10.o hashmap/hashmap.o menus.o OBJ = ../deps/aha/aha.o ../deps/hashids/hashids.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o bluewave.o www.o www_email.o www_msgs.o www_last10.o www_files.o hashmap/hashmap.o menus.o
%.o: %.c $(DEPS) %.o: %.c $(DEPS)
$(CC) -c -o $@ $< $(CFLAGS) $(CC) -c -o $@ $< $(CFLAGS)

2
src/Makefile.osx.WWW
View File

@ -34,7 +34,7 @@ $(CDK):
cd ../deps/cdk-5.0-20161210/ && ./configure cd ../deps/cdk-5.0-20161210/ && ./configure
cd ../deps/cdk-5.0-20161210/ && $(MAKE) cd ../deps/cdk-5.0-20161210/ && $(MAKE)
OBJ = ../deps/aha/aha.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o www.o www_email.o www_msgs.o www_last10.o bluewave.o hashmap/hashmap.o menus.o OBJ = ../deps/aha/aha.o ../deps/hashids/hashids.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o www.o www_email.o www_msgs.o www_last10.o www_files.o bluewave.o hashmap/hashmap.o menus.o
%.o: %.c $(DEPS) %.o: %.c $(DEPS)
$(CC) -c -o $@ $< $(CFLAGS) $(CC) -c -o $@ $< $(CFLAGS)

2
src/Makefile.sunos.WWW
View File

@ -34,7 +34,7 @@ $(CDK):
cd ../deps/cdk-5.0-20161210/ && ./configure cd ../deps/cdk-5.0-20161210/ && ./configure
cd ../deps/cdk-5.0-20161210/ && $(MAKE) cd ../deps/cdk-5.0-20161210/ && $(MAKE)
OBJ = ../deps/aha/aha.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o www.o www_email.o www_msgs.o www_last10.o bluewave.o hashmap/hashmap.o menus.o os/sunos.o OBJ = ../deps/aha/aha.o ../deps/hashids/hashids.o inih/ini.o bbs.o main.o users.o main_menu.o mail_menu.o doors.o bbs_list.o chat_system.o email.o files.o settings.o lua_glue.o strings.o www.o www_email.o www_msgs.o www_last10.o bluewave.o www_files.o hashmap/hashmap.o menus.o os/sunos.o
%.o: %.c $(DEPS) %.o: %.c $(DEPS)
$(CC) -c -o $@ $< $(CFLAGS) $(CC) -c -o $@ $< $(CFLAGS)

3
src/bbs.c
View File

@ -895,6 +895,9 @@ tryagain:
unlink(buffer); unlink(buffer);
} }
#if defined(ENABLE_WWW)
www_expire_old_links();
#endif
// do post-login // do post-login
dolog("%s logged in, on node %d", user->loginname, mynode); dolog("%s logged in, on node %d", user->loginname, mynode);
broadcast("%s logged in, on node %d", user->loginname, mynode); broadcast("%s logged in, on node %d", user->loginname, mynode);

3
src/bbs.h
View File

@ -323,6 +323,7 @@ extern void next_file_sub(struct user_record *user);
extern void prev_file_sub(struct user_record *user); extern void prev_file_sub(struct user_record *user);
extern void file_scan(); extern void file_scan();
extern void file_search(); extern void file_search();
extern void genurls();
extern void lua_push_cfunctions(lua_State *L); extern void lua_push_cfunctions(lua_State *L);
extern void do_lua_script(char *script); extern void do_lua_script(char *script);
@ -350,6 +351,8 @@ extern char *www_msgs_messageview(struct user_record *user, int conference, int
extern int www_send_msg(struct user_record *user, char *to, char *subj, int conference, int area, char *replyid, char *body); extern int www_send_msg(struct user_record *user, char *to, char *subj, int conference, int area, char *replyid, char *body);
extern char *www_new_msg(struct user_record *user, int conference, int area); extern char *www_new_msg(struct user_record *user, int conference, int area);
extern char *www_last10(); extern char *www_last10();
extern void www_expire_old_links();
extern char *www_create_link(int dir, int sub, int fid);
#endif #endif
extern int menu_system(char *menufile); extern int menu_system(char *menufile);
#endif #endif

45
src/files.c
View File

@ -798,6 +798,42 @@ void download_zmodem(struct user_record *user, char *filename) {
} }
} }
void genurls() {
#if defined(ENABLE_WWW)
int i;
char *url;
for (i=0;i<tagged_count;i++) {
if (i % 6) {
// pause
s_printf(get_string(6));
s_getc();
}
url = www_create_link(tagged_files[i]->dir, tagged_files[i]->sub, tagged_files[i]->fid);
if (url != NULL) {
s_printf(get_string(255), basename(tagged_files[i]->filename));
s_printf(get_string(256), url);
free(url);
} else {
s_printf(get_string(257));
}
}
for (i=0;i<tagged_count;i++) {
free(tagged_files[i]->filename);
free(tagged_files[i]);
}
free(tagged_files);
tagged_count = 0;
#else
s_printf(get_string(258));
s_printf(get_string(6));
s_getc();
#endif
}
void download(struct user_record *user) { void download(struct user_record *user) {
int i; int i;
char *ssql = "select dlcount from files where filename like ?"; char *ssql = "select dlcount from files where filename like ?";
@ -810,6 +846,7 @@ void download(struct user_record *user) {
for (i=0;i<tagged_count;i++) { for (i=0;i<tagged_count;i++) {
s_printf(get_string(254), basename(tagged_files[i]->filename));
do_download(user, tagged_files[i]->filename); do_download(user, tagged_files[i]->filename);
@ -1324,15 +1361,15 @@ void list_files(struct user_record *user) {
} }
sqlite3_busy_timeout(db, 5000); sqlite3_busy_timeout(db, 5000);
rc = sqlite3_prepare_v2(db, sql, -1, &res, 0); rc = sqlite3_prepare_v2(db, sql, -1, &res, 0);
if (sql == nsql) {
sqlite3_bind_int(res, 1, userlaston);
}
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
sqlite3_finalize(res);
sqlite3_close(db); sqlite3_close(db);
s_printf(get_string(68)); s_printf(get_string(68));
return; return;
} }
if (sql == nsql) {
sqlite3_bind_int(res, 1, userlaston);
}
files_c = 0; files_c = 0;

6
src/menus.c
View File

@ -54,6 +54,7 @@
#define MENU_FILESEARCH 44 #define MENU_FILESEARCH 44
#define MENU_DISPTXTFILE 45 #define MENU_DISPTXTFILE 45
#define MENU_DISPTXTFILEPAUSE 46 #define MENU_DISPTXTFILEPAUSE 46
#define MENU_GENWWWURLS 47
extern struct bbs_config conf; extern struct bbs_config conf;
extern struct user_record *gUser; extern struct user_record *gUser;
@ -212,6 +213,8 @@ int menu_system(char *menufile) {
menu[menu_items-1]->command = MENU_DISPTXTFILE; menu[menu_items-1]->command = MENU_DISPTXTFILE;
} else if (strncasecmp(&buffer[8], "DISPLAYTXTPAUSE", 15) == 0) { } else if (strncasecmp(&buffer[8], "DISPLAYTXTPAUSE", 15) == 0) {
menu[menu_items-1]->command = MENU_DISPTXTFILEPAUSE; menu[menu_items-1]->command = MENU_DISPTXTFILEPAUSE;
} else if (strncasecmp(&buffer[8], "GENWWWURLS", 10) == 0) {
menu[menu_items-1]->command = MENU_GENWWWURLS;
} }
} else if (strncasecmp(buffer, "SECLEVEL", 8) == 0) { } else if (strncasecmp(buffer, "SECLEVEL", 8) == 0) {
menu[menu_items-1]->seclevel = atoi(&buffer[9]); menu[menu_items-1]->seclevel = atoi(&buffer[9]);
@ -531,6 +534,9 @@ int menu_system(char *menufile) {
s_printf(get_string(6)); s_printf(get_string(6));
s_getc(); s_getc();
break; break;
case MENU_GENWWWURLS:
genurls();
break;
default: default:
break; break;
} }

2
src/users.c
View File

@ -266,7 +266,7 @@ int inst_user(struct user_record *user) {
"exteditor INTEGER," "exteditor INTEGER,"
"bwavestyle INTEGER," "bwavestyle INTEGER,"
"signature TEXT," "signature TEXT,"
"autosig INT);"; "autosig INTEGER);";
char *insert_sql = "INSERT INTO users (loginname, password, salt, firstname," char *insert_sql = "INSERT INTO users (loginname, password, salt, firstname,"
"lastname, email, location, sec_level, last_on, time_left, cur_mail_conf, cur_mail_area, cur_file_dir, cur_file_sub, times_on, bwavepktno, archiver, protocol, nodemsgs, codepage, exteditor, bwavestyle, signature, autosig) VALUES(?,?, ?,?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"; "lastname, email, location, sec_level, last_on, time_left, cur_mail_conf, cur_mail_area, cur_file_dir, cur_file_sub, times_on, bwavepktno, archiver, protocol, nodemsgs, codepage, exteditor, bwavestyle, signature, autosig) VALUES(?,?, ?,?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";

31
src/www.c
View File

@ -415,6 +415,7 @@ int www_handler(void * cls, struct MHD_Connection * connection, const char * url
const char *val; const char *val;
int skip; int skip;
char *replyid; char *replyid;
char *filename;
// char *static_buffer; // char *static_buffer;
if (strcmp(method, "GET") == 0) { if (strcmp(method, "GET") == 0) {
@ -826,6 +827,36 @@ int www_handler(void * cls, struct MHD_Connection * connection, const char * url
return MHD_YES; return MHD_YES;
} }
} else if (strncasecmp(url, "/files/", 7) == 0) {
filename = www_decode_hash(&url[7]);
if (filename != NULL) {
if (stat(filename, &s) == 0 && S_ISREG(s.st_mode)) {
fno = open(buffer, O_RDONLY);
if (fno != -1) {
response = MHD_create_response_from_fd(s.st_size, fno);
MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_TYPE, mime);
sprintf(buffer, "%ld", s.st_size);
MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_LENGTH, buffer);
snprintf(buffer, PATH_MAX, "attachment; filename=\"%s\"", basename(filename));
MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_DISPOSITION, buffer);
ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
free(header);
free(footer);
return ret;
}
}
free(filename);
}
if (www_404(header, footer, connection) != 0) {
free(header);
free(footer);
return MHD_NO;
}
free(header);
free(footer);
return MHD_YES;
} else { } else {
if (www_404(header, footer, connection) != 0) { if (www_404(header, footer, connection) != 0) {
free(header); free(header);

237
src/www_files.c Normal file
View File

@ -0,0 +1,237 @@
#if defined(ENABLE_WWW)
#include <string.h>
#include <time.h>
#include <sqlite3.h>
#include <libgen.h>
#include "bbs.h"
#include "../deps/hashids/hashids.h"
extern struct bbs_config conf;
extern struct user_record *gUser;
void www_expire_old_links() {
char buffer[PATH_MAX];
sqlite3 *db;
sqlite3_stmt *res;
int rc;
char sql[] = "delete from wwwhash where expire <= ?";
char *ret;
time_t now = time(NULL);
snprintf(buffer, PATH_MAX, "%s/www_file_hashes.sq3", conf.bbs_path);
rc = sqlite3_open(buffer, &db);
if (rc != SQLITE_OK) {
dolog("Cannot open database: %s", sqlite3_errmsg(db));
return;
}
sqlite3_busy_timeout(db, 5000);
rc = sqlite3_prepare_v2(db, sql, -1, &res, 0);
if (rc != SQLITE_OK) {
sqlite3_close(db);
return;
}
sqlite3_bind_int(res, 1, now);
sqlite3_step(res);
sqlite3_finalize(res);
sqlite3_close(db);
}
int www_check_hash_expired(char *hash) {
char buffer[PATH_MAX];
sqlite3 *db;
sqlite3_stmt *res;
int rc;
time_t now = time(NULL);
char sql[] = "select id from wwwhash where hash = ? and expire > ?";
snprintf(buffer, PATH_MAX, "%s/www_file_hashes.sq3", conf.bbs_path);
rc = sqlite3_open(buffer, &db);
if (rc != SQLITE_OK) {
return 1;
}
sqlite3_busy_timeout(db, 5000);
rc = sqlite3_prepare_v2(db, sql, -1, &res, 0);
if (rc != SQLITE_OK) {
sqlite3_close(db);
return 0;
}
sqlite3_bind_text(res, 1, hash, -1, 0);
sqlite3_bind_int(res, 2, now);
if (sqlite3_step(res) == SQLITE_ROW) {
sqlite3_finalize(res);
sqlite3_close(db);
return 0;
}
sqlite3_finalize(res);
sqlite3_close(db);
return 1;
}
void www_add_hash_to_db(char *hash, time_t expiry) {
char buffer[PATH_MAX];
sqlite3 *db;
sqlite3_stmt *res;
int rc;
char csql[] = "create table if not exists wwwhash (id INTEGER PRIMARY KEY, hash TEXT, expiry INTEGER)";
char chsql[] = "select id from wwwhash where hash = ?";
char usql[] = "update wwwhash SET expiry = ? WHERE hash = ?";
char isql[] = "insert into wwwhash (hash, expiry) values(?, ?)";
char *ret;
char *err_msg = 0;
snprintf(buffer, PATH_MAX, "%s/www_file_hashes.sq3", conf.bbs_path);
rc = sqlite3_open(buffer, &db);
if (rc != SQLITE_OK) {
return;
}
sqlite3_busy_timeout(db, 5000);
rc = sqlite3_exec(db, csql, 0, 0, &err_msg);
if (rc != SQLITE_OK) {
dolog("SQL error: %s", err_msg);
sqlite3_free(err_msg);
sqlite3_close(db);
return;
}
// first check if hash is in database
rc = sqlite3_prepare_v2(db, chsql, -1, &res, 0);
if (rc != SQLITE_OK) {
sqlite3_close(db);
return;
}
sqlite3_bind_text(res, 1, hash, -1, 0);
rc = sqlite3_step(res);
if (rc == SQLITE_ROW) {
// if so, update hash
sqlite3_finalize(res);
rc = sqlite3_prepare_v2(db, usql, -1, &res, 0);
if (rc != SQLITE_OK) {
sqlite3_close(db);
return;
}
sqlite3_bind_int(res, 1, expiry);
sqlite3_bind_text(res, 2, hash, -1, 0);
sqlite3_step(res);
sqlite3_finalize(res);
sqlite3_close(db);
return;
}
// if not add hash
sqlite3_finalize(res);
rc = sqlite3_prepare_v2(db, isql, -1, &res, 0);
if (rc != SQLITE_OK) {
sqlite3_close(db);
return;
}
sqlite3_bind_text(res, 1, hash, -1, 0);
sqlite3_bind_int(res, 2, expiry);
sqlite3_step(res);
sqlite3_finalize(res);
sqlite3_close(db);
}
char *www_decode_hash(char *hash) {
long long unsigned numbers[4];
int dir, sub, fid, uid;
hashids_t *hashids = hashids_init(conf.bbs_name);
char buffer[PATH_MAX];
sqlite3 *db;
sqlite3_stmt *res;
int rc;
char sql[] = "select filename from files where approved = 1 and id = ?";
char *ret;
if (www_check_hash_expired(hash)) {
return NULL;
}
if (hashids_decode(hashids, hash, numbers) != 4) {
hashids_free(hashids);
return NULL;
}
hashids_free(hashids);
uid = (int)numbers[0];
dir = (int)numbers[1];
sub = (int)numbers[2];
fid = (int)numbers[3];
if (dir >= conf.file_directory_count || sub >= conf.file_directories[dir]->file_sub_count) {
return NULL;
}
#if 0
// TODO: check security level...
if (conf.file_directories[dir]->sec_level < )
#endif
// get filename from database
snprintf(buffer, PATH_MAX, "%s/%s.sq3", conf.bbs_path, conf.file_directories[dir]->file_subs[sub]->database);
rc = sqlite3_open(buffer, &db);
if (rc != SQLITE_OK) {
dolog("Cannot open database: %s", sqlite3_errmsg(db));
return NULL;
}
sqlite3_busy_timeout(db, 5000);
rc = sqlite3_prepare_v2(db, sql, -1, &res, 0);
if (rc != SQLITE_OK) {
sqlite3_close(db);
return NULL;
}
sqlite3_bind_int(res, 1, fid);
if (sqlite3_step(res) == SQLITE_ROW) {
ret = strdup(sqlite3_column_text(res, 0));
sqlite3_finalize(res);
sqlite3_close(db);
return ret;
}
sqlite3_finalize(res);
sqlite3_close(db);
return NULL;
}
char *www_create_link(int dir, int sub, int fid) {
char url[PATH_MAX];
char *ret;
char *hashid;
int sizereq;
time_t expiry;
hashids_t *hashids = hashids_init(conf.bbs_name);
sizereq = hashids_estimate_encoded_size_v(hashids, 4, gUser->id, dir, sub, fid);
hashid = (char *)malloc(sizereq);
if (hashids_encode_v(hashids, hashid, 4, gUser->id, dir, sub, fid) == 0) {
hashids_free(hashids);
free(hashid);
return NULL;
}
hashids_free(hashids);
snprintf(url, PATH_MAX, "%sfiles/%s", conf.www_url, hashid);
// add link into hash database
expiry = time(NULL) + 86400;
www_add_hash_to_db(hashid, expiry);
free(hashid);
ret = strdup(url);
return ret;
}
#endif