qemu/util/base64.c
Chetan Pant 61f3c91a67 nomaintainer: Fix Lesser GPL version number
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.

This patch contains all the files, whose maintainer I could not get
from ‘get_maintainer.pl’ script.

Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Message-Id: <20201023124424.20177-1-chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Adapted exec.c and qdev-monitor.c to new location]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-11-15 17:04:40 +01:00

61 lines
1.9 KiB
C

/*
* QEMU base64 helpers
*
* Copyright (c) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/base64.h"
static const char *base64_valid_chars =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n";
uint8_t *qbase64_decode(const char *input,
size_t in_len,
size_t *out_len,
Error **errp)
{
*out_len = 0;
if (in_len != -1) {
/* Lack of NUL terminator is an error */
if (input[in_len] != '\0') {
error_setg(errp, "Base64 data is not NUL terminated");
return NULL;
}
/* Check there's no NULs embedded since we expect
* this to be valid base64 data */
if (memchr(input, '\0', in_len) != NULL) {
error_setg(errp, "Base64 data contains embedded NUL characters");
return NULL;
}
/* Now we know its a valid nul terminated string
* strspn is safe to use... */
} else {
in_len = strlen(input);
}
if (strspn(input, base64_valid_chars) != in_len) {
error_setg(errp, "Base64 data contains invalid characters");
return NULL;
}
return g_base64_decode(input, out_len);
}