-/*
+/*
* Generic base 64 input and output routines
*
* Written by Kern E. Sibbald, March MM.
*
* Version $Id$
*/
-
/*
- Copyright (C) 2000-2004 Kern Sibbald and John Walker
+ Copyright (C) 2000-2006 Kern Sibbald
This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ modify it under the terms of the GNU General Public License
+ version 2 as amended with additional clauses defined in the
+ file LICENSE in the main source directory.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ the file LICENSE for additional details.
*/
#include "bacula.h"
+
#ifdef TEST_MODE
#include <glob.h>
#endif
static int base64_inited = 0;
static uint8_t base64_map[128];
-
+
/* Initialize the Base 64 conversion routines */
void
base64_init(void)
-{
- int i;
+{
+ int i;
memset(base64_map, 0, sizeof(base64_map));
for (i=0; i<64; i++)
base64_map[(uint8_t)base64_digits[i]] = i;
*/
int
from_base64(intmax_t *value, char *where)
-{
+{
uintmax_t val = 0;
int i, neg;
- if (!base64_inited)
+ if (!base64_inited)
base64_init();
/* Check if it is negative */
i = neg = 0;
val <<= 6;
val += base64_map[(uint8_t)where[i++]];
}
-
+
*value = neg ? -(intmax_t)val : (intmax_t)val;
return i;
}
* Encode binary data in bin of len bytes into
* buf as base64 characters.
*
+ * If compatible is true, the bin_to_base64 routine will be compatible
+ * with what the rest of the world uses.
+ *
* Returns: the number of characters stored not
- * including the EOS
+ * including the EOS
*/
int
-bin_to_base64(char *buf, char *bin, int len)
+bin_to_base64(char *buf, int buflen, char *bin, int binlen, int compatible)
{
uint32_t reg, save, mask;
int rem, i;
reg = 0;
rem = 0;
- for (i=0; i<len; ) {
+ buflen--; /* allow for storing EOS */
+ for (i=0; i < binlen; ) {
if (rem < 6) {
- reg <<= 8;
- reg |= (int8_t)bin[i++];
- rem += 8;
+ reg <<= 8;
+ if (compatible) {
+ reg |= (uint8_t)bin[i++];
+ } else {
+ reg |= (int8_t)bin[i++];
+ }
+ rem += 8;
}
save = reg;
reg >>= (rem - 6);
- buf[j++] = base64_digits[reg & (uint32_t)0x3F];
+ if (j < buflen) {
+ buf[j++] = base64_digits[reg & 0x3F];
+ }
reg = save;
rem -= 6;
}
- if (rem) {
- mask = 1;
- for (i=1; i<rem; i++) {
- mask = (mask << 1) | 1;
+ if (rem && j < buflen) {
+ mask = (1 << rem) - 1;
+ if (compatible) {
+ buf[j++] = base64_digits[(reg & mask) << 6 - rem];
+ } else {
+ buf[j++] = base64_digits[reg & mask];
}
- buf[j++] = base64_digits[reg & mask];
}
buf[j] = 0;
return j;
#ifdef xxxx
for (i=0; i < 1000; i++) {
- bin_to_base64(buf, (char *)&xx, 4);
+ bin_to_base64(buf, sizeof(buf), (char *)&xx, 4, true);
printf("xx=%s\n", buf);
xx++;
}
for (i=1; i<100; i++) {
junk[i] = junk[i-1]-1;
}
- len = bin_to_base64(buf, junk, 16);
+ len = bin_to_base64(buf, sizeof(buf) junk, 16, true);
printf("len=%d junk=%s\n", len, buf);
return 0;
}
* Test the base64 routines by encoding and decoding
* lstat() packets.
*/
-int main(int argc, char *argv[])
+int main(int argc, char *argv[])
{
char where[500];
int i;
time_t t = 1028712799;
if (argc > 1 && strcmp(argv[1], "-v") == 0)
- debug_level++;
+ debug_level++;
base64_init();
fname = my_glob.gl_pathv[i];
if (lstat(fname, &statp) < 0) {
printf("Cannot stat %s: %s\n", fname, strerror(errno));
- continue;
+ continue;
}
encode_stat(where, &statp);
printf("Encoded stat=%s\n", where);
-
+
#ifdef xxx
p = where;
p += to_base64((intmax_t)(statp.st_atime), p);
if (debug_level)
printf("%s: len=%d val=%s\n", fname, strlen(where), where);
-
+
decode_stat(where, &statn);
- if (statp.st_dev != statn.st_dev ||
- statp.st_ino != statn.st_ino ||
- statp.st_mode != statn.st_mode ||
- statp.st_nlink != statn.st_nlink ||
- statp.st_uid != statn.st_uid ||
- statp.st_gid != statn.st_gid ||
- statp.st_rdev != statn.st_rdev ||
- statp.st_size != statn.st_size ||
- statp.st_blksize != statn.st_blksize ||
- statp.st_blocks != statn.st_blocks ||
- statp.st_atime != statn.st_atime ||
- statp.st_mtime != statn.st_mtime ||
- statp.st_ctime != statn.st_ctime) {
+ if (statp.st_dev != statn.st_dev ||
+ statp.st_ino != statn.st_ino ||
+ statp.st_mode != statn.st_mode ||
+ statp.st_nlink != statn.st_nlink ||
+ statp.st_uid != statn.st_uid ||
+ statp.st_gid != statn.st_gid ||
+ statp.st_rdev != statn.st_rdev ||
+ statp.st_size != statn.st_size ||
+ statp.st_blksize != statn.st_blksize ||
+ statp.st_blocks != statn.st_blocks ||
+ statp.st_atime != statn.st_atime ||
+ statp.st_mtime != statn.st_mtime ||
+ statp.st_ctime != statn.st_ctime) {
printf("%s: %s\n", fname, where);
- encode_stat(where, &statn);
+ encode_stat(where, &statn);
printf("%s: %s\n", fname, where);
printf("NOT EQAL\n");
}
printf("UINT32_MAX=%s\n", where);
return 0;
-}
+}
#endif