rspamd/utils/base64.c
2016-12-13 17:39:38 +00:00

91 lines
1.9 KiB
C

/*-
* Copyright 2016 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include "printf.h"
#include "util.h"
#include "cryptobox.h"
#include "unix-std.h"
static gdouble total_time = 0;
static void
rspamd_process_file (const gchar *fname, gint decode)
{
gint fd;
gpointer map;
struct stat st;
guint8 *dest;
gsize destlen;
fd = open (fname, O_RDONLY);
if (fd == -1) {
rspamd_fprintf (stderr, "cannot open %s: %s", fname, strerror (errno));
exit (EXIT_FAILURE);
}
if (fstat (fd, &st) == -1) {
rspamd_fprintf (stderr, "cannot stat %s: %s", fname, strerror (errno));
exit (EXIT_FAILURE);
}
map = mmap (NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
close (fd);
if (map == MAP_FAILED) {
rspamd_fprintf (stderr, "cannot mmap %s: %s", fname, strerror (errno));
exit (EXIT_FAILURE);
}
if (decode) {
destlen = st.st_size / 4 * 3 + 10;
dest = g_malloc (destlen);
rspamd_cryptobox_base64_decode (map, st.st_size, dest, &destlen);
}
else {
dest = rspamd_encode_base64 (map, st.st_size, 80, &destlen);
}
rspamd_printf ("%*s", (gint)destlen, dest);
g_free (dest);
munmap (map, st.st_size);
}
int
main (int argc, char **argv)
{
gint i, start = 1, decode = 0;
if (argc > 2 && *argv[1] == '-') {
start = 2;
if (argv[1][1] == 'd') {
decode = 1;
}
}
for (i = start; i < argc; i ++) {
if (argv[i]) {
rspamd_process_file (argv[i], decode);
}
}
return 0;
}