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fdm: new package added

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Signed-off-by: Dmitry V. Zimin <pfzim@mail.ru>
This commit is contained in:
Dmitry V. Zimin 2014-11-20 17:41:03 +03:00
parent c950f48e7a
commit c400fe3b09
7 changed files with 742 additions and 0 deletions
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10
mail/fdm/Config.in Normal file
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menu "Configuration"
depends on PACKAGE_fdm
config FDM_WITH_PCRE
bool
default y
select libpcre
prompt "Enable PCRE support (elsewhere POSIX regex)"
endmenu

86
mail/fdm/Makefile Normal file
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#
# Copyright (C) 2007-2014 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=fdm
PKG_VERSION:=1.7
PKG_RELEASE:=1
PKG_LICENSE:=BSD-2-Clause
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=@SF/fdm
PKG_MD5SUM:=aea0421571e8f3ec8f747a5d72c84348
PKG_INSTALL:=1
include $(INCLUDE_DIR)/package.mk
define Package/fdm
SECTION:=mail
CATEGORY:=Mail
TITLE:=fetch mail and deliver
URL:=http://fdm.sourceforge.net/
MAINTAINER:=Dmitry V. Zimin <pfzim@mail.ru>
MENU:=1
DEPENDS:=+tdb +zlib +libopenssl +FDM_WITH_PCRE:libpcre
USERID:=_fdm=99:_fdm=99
endef
define Package/fdm/description
fdm is a simple, lightweight replacement for mail fetch, filter
and delivery programs such as fetchmail and procmail. It can
fetch using POP3 or IMAP (with SSL) or from stdin, and deliver
to a pipe, file, maildir, mbox or SMTP server, based on $(if $(CONFIG_FDM_WITH_PCRE),PCRE,POSIX regexp)
endef
MAKE_FLAGS += \
PREFIX="/usr"\
$(if $(CONFIG_FDM_WITH_PCRE),PCRE=1)
define Build/Prepare
$(call Build/Prepare/Default)
$(CP) ./src/compat/* $(PKG_BUILD_DIR)/
endef
define Package/fdm/config
source "$(SOURCE)/Config.in
endef
define Package/fdm/conffiles
/etc/fdm.conf
endef
define Package/fdm/install
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/* $(1)/usr/bin/
$(INSTALL_DIR) $(1)/etc
$(INSTALL_DATA) ./files/etc/* $(1)/etc/
$(INSTALL_DIR) $(1)/opt/fdm
chmod a+rwx $(1)/opt/fdm
endef
define Package/fdm/postinst
#!/bin/sh
if [ -z "$${IPKG_INSTROOT}" ]; then
echo "Creating cron job template for user _fdm..."
(crontab -l -u _fdm 2>/dev/null; echo "# */13 * * * * fdm -q fetch") | crontab -u _fdm -
echo "Please, edit file /etc/fdm.conf and enable cron job!"
fi
exit 0
endef
define Package/fdm/prerm
#!/bin/sh
if [ -z "$${IPKG_INSTROOT}" ]; then
echo "Don't forget disable cron job!"
echo "# crontab -r -u _fdm"
fi
exit 0
endef
$(eval $(call BuildPackage,fdm))

36
mail/fdm/files/etc/fdm.conf Normal file
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# /etc/fdm.conf example file
# 1. Edit this file
# 2. Test: fdm -vv fetch
# 3. Enable cron job: crontab -e -u _fdm
set maximum-size 3M
set delete-oversized
set queue-high 1
set queue-low 0
set purge-after 5
set unmatched-mail keep
action "drop" drop
action "keep" keep
action "wakeup" exec "wol -h 192.168.0.255 -p 9 00:11:22:33:44:55"
action "my-test-action" exec "echo \"OK\" > /tmp/fdm.ok"
# This action extract *.torrent files from incoming email and put it
# to watch-dir your torrect client application
action "torrent-add" pipe "munpack -f -q -C /your-path/watch-dir/ ; for i in /your-path/watch-dir/*.torrent ; do chmod a+r \$i ; done"
account "xbmc" disabled
pop3s
server "pop.yandex.ru"
port 995
user "username-enter-here"
pass "password-enter-here"
new-only
cache "/opt/fdm/cache"
match "^Subject:[ \t]+openwrt:[ \t]*wakeup[ \t]*$" in headers actions { "wakeup" "drop" }
match "^Subject:[ \t]+openwrt:[ \t]*torrent[ \t]+add[ \t]*\$" in headers actions { "torrent-add" "drop" }
match "^Subject:[ \t]+openwrt:[ \t]*test[ \t]*$" in headers actions { "my-test-action" "drop" }
match all action "keep"

14
mail/fdm/patches/001-base64-fix.patch Normal file
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--- a/fdm.h 2011-10-10 17:36:29.000000000 +0400
+++ b/fdm.h 2014-11-13 12:56:59.217083683 +0300
@@ -719,6 +719,11 @@
size_t strlcat(char *, const char *, size_t);
#endif
+int local_b64_ntop(uint8_t const *src, size_t srclength, char *target,
+ size_t targsize);
+
+int local_b64_pton(char const *src, uint8_t *target, size_t targsize);
+
/* shm.c */
char *shm_path(struct shm *);
void *shm_create(struct shm *, size_t);

20
mail/fdm/patches/002-base64-fix.patch Normal file
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--- a/imap-common.c 2011-12-20 00:19:03.000000000 +0400
+++ b/imap-common.c 2014-11-13 12:56:06.930418446 +0300
@@ -206,7 +206,7 @@
size = (strlen(in) * 2) + 1;
out = xcalloc(1, size);
- if (b64_ntop(in, strlen(in), out, size) < 0) {
+ if (local_b64_ntop(in, strlen(in), out, size) < 0) {
xfree(out);
return (NULL);
}
@@ -222,7 +222,7 @@
size = (strlen(in) * 4) + 1;
out = xcalloc(1, size);
- if (b64_pton(in, out, size) < 0) {
+ if (local_b64_pton(in, out, size) < 0) {
xfree(out);
return (NULL);
}

183
mail/fdm/src/compat/b64_ntop.c Normal file
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/*
* Copyright (c) 1996, 1998 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
/*
* Portions Copyright (c) 1995 by International Business Machines, Inc.
*
* International Business Machines, Inc. (hereinafter called IBM) grants
* permission under its copyrights to use, copy, modify, and distribute this
* Software with or without fee, provided that the above copyright notice and
* all paragraphs of this notice appear in all copies, and that the name of IBM
* not be used in connection with the marketing of any product incorporating
* the Software or modifications thereof, without specific, written prior
* permission.
*
* To the extent it has a right to do so, IBM grants an immunity from suit
* under its patents, if any, for the use, sale or manufacture of products to
* the extent that such products are used for performing Domain Name System
* dynamic updates in TCP/IP networks by means of the Software. No immunity is
* granted for any product per se or for any other function of any product.
*
* THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
* DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
* IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
*/
//#include <config.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "fdm.h"
#define Assert(Cond) if (!(Cond)) abort()
static const char Base64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static const char Pad64 = '=';
/* (From RFC1521 and draft-ietf-dnssec-secext-03.txt)
The following encoding technique is taken from RFC 1521 by Borenstein
and Freed. It is reproduced here in a slightly edited form for
convenience.
A 65-character subset of US-ASCII is used, enabling 6 bits to be
represented per printable character. (The extra 65th character, "=",
is used to signify a special processing function.)
The encoding process represents 24-bit groups of input bits as output
strings of 4 encoded characters. Proceeding from left to right, a
24-bit input group is formed by concatenating 3 8-bit input groups.
These 24 bits are then treated as 4 concatenated 6-bit groups, each
of which is translated into a single digit in the base64 alphabet.
Each 6-bit group is used as an index into an array of 64 printable
characters. The character referenced by the index is placed in the
output string.
Table 1: The Base64 Alphabet
Value Encoding Value Encoding Value Encoding Value Encoding
0 A 17 R 34 i 51 z
1 B 18 S 35 j 52 0
2 C 19 T 36 k 53 1
3 D 20 U 37 l 54 2
4 E 21 V 38 m 55 3
5 F 22 W 39 n 56 4
6 G 23 X 40 o 57 5
7 H 24 Y 41 p 58 6
8 I 25 Z 42 q 59 7
9 J 26 a 43 r 60 8
10 K 27 b 44 s 61 9
11 L 28 c 45 t 62 +
12 M 29 d 46 u 63 /
13 N 30 e 47 v
14 O 31 f 48 w (pad) =
15 P 32 g 49 x
16 Q 33 h 50 y
Special processing is performed if fewer than 24 bits are available
at the end of the data being encoded. A full encoding quantum is
always completed at the end of a quantity. When fewer than 24 input
bits are available in an input group, zero bits are added (on the
right) to form an integral number of 6-bit groups. Padding at the
end of the data is performed using the '=' character.
Since all base64 input is an integral number of octets, only the
following cases can arise:
(1) the final quantum of encoding input is an integral
multiple of 24 bits; here, the final unit of encoded
output will be an integral multiple of 4 characters
with no "=" padding,
(2) the final quantum of encoding input is exactly 8 bits;
here, the final unit of encoded output will be two
characters followed by two "=" padding characters, or
(3) the final quantum of encoding input is exactly 16 bits;
here, the final unit of encoded output will be three
characters followed by one "=" padding character.
*/
int
local_b64_ntop(uint8_t const *src, size_t srclength, char *target, size_t targsize) {
size_t datalength = 0;
uint8_t input[3];
uint8_t output[4];
size_t i;
while (2 < srclength) {
input[0] = *src++;
input[1] = *src++;
input[2] = *src++;
srclength -= 3;
output[0] = input[0] >> 2;
output[1] = ((input[0] & 0x03) << 4) + (input[1] >> 4);
output[2] = ((input[1] & 0x0f) << 2) + (input[2] >> 6);
output[3] = input[2] & 0x3f;
Assert(output[0] < 64);
Assert(output[1] < 64);
Assert(output[2] < 64);
Assert(output[3] < 64);
if (datalength + 4 > targsize)
return (-1);
target[datalength++] = Base64[output[0]];
target[datalength++] = Base64[output[1]];
target[datalength++] = Base64[output[2]];
target[datalength++] = Base64[output[3]];
}
/* Now we worry about padding. */
if (0 != srclength) {
/* Get what's left. */
input[0] = input[1] = input[2] = '\0';
for (i = 0; i < srclength; i++)
input[i] = *src++;
output[0] = input[0] >> 2;
output[1] = ((input[0] & 0x03) << 4) + (input[1] >> 4);
output[2] = ((input[1] & 0x0f) << 2) + (input[2] >> 6);
Assert(output[0] < 64);
Assert(output[1] < 64);
Assert(output[2] < 64);
if (datalength + 4 > targsize)
return (-1);
target[datalength++] = Base64[output[0]];
target[datalength++] = Base64[output[1]];
if (srclength == 1)
target[datalength++] = Pad64;
else
target[datalength++] = Base64[output[2]];
target[datalength++] = Pad64;
}
if (datalength >= targsize)
return (-1);
target[datalength] = '\0'; /* Returned value doesn't count \0. */
return (datalength);
}

393
mail/fdm/src/compat/b64_pton.c Normal file
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@ -0,0 +1,393 @@
/*
* Copyright (c) 1996, 1998 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
/*
* Portions Copyright (c) 1995 by International Business Machines, Inc.
*
* International Business Machines, Inc. (hereinafter called IBM) grants
* permission under its copyrights to use, copy, modify, and distribute this
* Software with or without fee, provided that the above copyright notice and
* all paragraphs of this notice appear in all copies, and that the name of IBM
* not be used in connection with the marketing of any product incorporating
* the Software or modifications thereof, without specific, written prior
* permission.
*
* To the extent it has a right to do so, IBM grants an immunity from suit
* under its patents, if any, for the use, sale or manufacture of products to
* the extent that such products are used for performing Domain Name System
* dynamic updates in TCP/IP networks by means of the Software. No immunity is
* granted for any product per se or for any other function of any product.
*
* THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
* DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
* IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
*/
//#include <config.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "fdm.h"
#define Assert(Cond) if (!(Cond)) abort()
static const char Base64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static const char Pad64 = '=';
/* (From RFC1521 and draft-ietf-dnssec-secext-03.txt)
The following encoding technique is taken from RFC 1521 by Borenstein
and Freed. It is reproduced here in a slightly edited form for
convenience.
A 65-character subset of US-ASCII is used, enabling 6 bits to be
represented per printable character. (The extra 65th character, "=",
is used to signify a special processing function.)
The encoding process represents 24-bit groups of input bits as output
strings of 4 encoded characters. Proceeding from left to right, a
24-bit input group is formed by concatenating 3 8-bit input groups.
These 24 bits are then treated as 4 concatenated 6-bit groups, each
of which is translated into a single digit in the base64 alphabet.
Each 6-bit group is used as an index into an array of 64 printable
characters. The character referenced by the index is placed in the
output string.
Table 1: The Base64 Alphabet
Value Encoding Value Encoding Value Encoding Value Encoding
0 A 17 R 34 i 51 z
1 B 18 S 35 j 52 0
2 C 19 T 36 k 53 1
3 D 20 U 37 l 54 2
4 E 21 V 38 m 55 3
5 F 22 W 39 n 56 4
6 G 23 X 40 o 57 5
7 H 24 Y 41 p 58 6
8 I 25 Z 42 q 59 7
9 J 26 a 43 r 60 8
10 K 27 b 44 s 61 9
11 L 28 c 45 t 62 +
12 M 29 d 46 u 63 /
13 N 30 e 47 v
14 O 31 f 48 w (pad) =
15 P 32 g 49 x
16 Q 33 h 50 y
Special processing is performed if fewer than 24 bits are available
at the end of the data being encoded. A full encoding quantum is
always completed at the end of a quantity. When fewer than 24 input
bits are available in an input group, zero bits are added (on the
right) to form an integral number of 6-bit groups. Padding at the
end of the data is performed using the '=' character.
Since all base64 input is an integral number of octets, only the
following cases can arise:
(1) the final quantum of encoding input is an integral
multiple of 24 bits; here, the final unit of encoded
output will be an integral multiple of 4 characters
with no "=" padding,
(2) the final quantum of encoding input is exactly 8 bits;
here, the final unit of encoded output will be two
characters followed by two "=" padding characters, or
(3) the final quantum of encoding input is exactly 16 bits;
here, the final unit of encoded output will be three
characters followed by one "=" padding character.
*/
/* skips all whitespace anywhere.
converts characters, four at a time, starting at (or after)
src from base - 64 numbers into three 8 bit bytes in the target area.
it returns the number of data bytes stored at the target, or -1 on error.
*/
static int b64rmap_initialized = 0;
static uint8_t b64rmap[256];
static const uint8_t b64rmap_special = 0xf0;
static const uint8_t b64rmap_end = 0xfd;
static const uint8_t b64rmap_space = 0xfe;
static const uint8_t b64rmap_invalid = 0xff;
/**
* Initializing the reverse map is not thread safe.
* Which is fine for NSD. For now...
**/
static void
b64_initialize_rmap ()
{
int i;
char ch;
/* Null: end of string, stop parsing */
b64rmap[0] = b64rmap_end;
for (i = 1; i < 256; ++i) {
ch = (char)i;
/* Whitespaces */
if (isspace(ch))
b64rmap[i] = b64rmap_space;
/* Padding: stop parsing */
else if (ch == Pad64)
b64rmap[i] = b64rmap_end;
/* Non-base64 char */
else
b64rmap[i] = b64rmap_invalid;
}
/* Fill reverse mapping for base64 chars */
for (i = 0; Base64[i] != '\0'; ++i)
b64rmap[(uint8_t)Base64[i]] = i;
b64rmap_initialized = 1;
}
static int
b64_pton_do(char const *src, uint8_t *target, size_t targsize)
{
int tarindex, state, ch;
uint8_t ofs;
state = 0;
tarindex = 0;
while (1)
{
ch = *src++;
ofs = b64rmap[ch];
if (ofs >= b64rmap_special) {
/* Ignore whitespaces */
if (ofs == b64rmap_space)
continue;
/* End of base64 characters */
if (ofs == b64rmap_end)
break;
/* A non-base64 character. */
return (-1);
}
switch (state) {
case 0:
if ((size_t)tarindex >= targsize)
return (-1);
target[tarindex] = ofs << 2;
state = 1;
break;
case 1:
if ((size_t)tarindex + 1 >= targsize)
return (-1);
target[tarindex] |= ofs >> 4;
target[tarindex+1] = (ofs & 0x0f)
<< 4 ;
tarindex++;
state = 2;
break;
case 2:
if ((size_t)tarindex + 1 >= targsize)
return (-1);
target[tarindex] |= ofs >> 2;
target[tarindex+1] = (ofs & 0x03)
<< 6;
tarindex++;
state = 3;
break;
case 3:
if ((size_t)tarindex >= targsize)
return (-1);
target[tarindex] |= ofs;
tarindex++;
state = 0;
break;
default:
abort();
}
}
/*
* We are done decoding Base-64 chars. Let's see if we ended
* on a byte boundary, and/or with erroneous trailing characters.
*/
if (ch == Pad64) { /* We got a pad char. */
ch = *src++; /* Skip it, get next. */
switch (state) {
case 0: /* Invalid = in first position */
case 1: /* Invalid = in second position */
return (-1);
case 2: /* Valid, means one byte of info */
/* Skip any number of spaces. */
for ((void)NULL; ch != '\0'; ch = *src++)
if (b64rmap[ch] != b64rmap_space)
break;
/* Make sure there is another trailing = sign. */
if (ch != Pad64)
return (-1);
ch = *src++; /* Skip the = */
/* Fall through to "single trailing =" case. */
/* FALLTHROUGH */
case 3: /* Valid, means two bytes of info */
/*
* We know this char is an =. Is there anything but
* whitespace after it?
*/
for ((void)NULL; ch != '\0'; ch = *src++)
if (b64rmap[ch] != b64rmap_space)
return (-1);
/*
* Now make sure for cases 2 and 3 that the "extra"
* bits that slopped past the last full byte were
* zeros. If we don't check them, they become a
* subliminal channel.
*/
if (target[tarindex] != 0)
return (-1);
}
} else {
/*
* We ended by seeing the end of the string. Make sure we
* have no partial bytes lying around.
*/
if (state != 0)
return (-1);
}
return (tarindex);
}
static int
b64_pton_len(char const *src)
{
int tarindex, state, ch;
uint8_t ofs;
state = 0;
tarindex = 0;
while (1)
{
ch = *src++;
ofs = b64rmap[ch];
if (ofs >= b64rmap_special) {
/* Ignore whitespaces */
if (ofs == b64rmap_space)
continue;
/* End of base64 characters */
if (ofs == b64rmap_end)
break;
/* A non-base64 character. */
return (-1);
}
switch (state) {
case 0:
state = 1;
break;
case 1:
tarindex++;
state = 2;
break;
case 2:
tarindex++;
state = 3;
break;
case 3:
tarindex++;
state = 0;
break;
default:
abort();
}
}
/*
* We are done decoding Base-64 chars. Let's see if we ended
* on a byte boundary, and/or with erroneous trailing characters.
*/
if (ch == Pad64) { /* We got a pad char. */
ch = *src++; /* Skip it, get next. */
switch (state) {
case 0: /* Invalid = in first position */
case 1: /* Invalid = in second position */
return (-1);
case 2: /* Valid, means one byte of info */
/* Skip any number of spaces. */
for ((void)NULL; ch != '\0'; ch = *src++)
if (b64rmap[ch] != b64rmap_space)
break;
/* Make sure there is another trailing = sign. */
if (ch != Pad64)
return (-1);
ch = *src++; /* Skip the = */
/* Fall through to "single trailing =" case. */
/* FALLTHROUGH */
case 3: /* Valid, means two bytes of info */
/*
* We know this char is an =. Is there anything but
* whitespace after it?
*/
for ((void)NULL; ch != '\0'; ch = *src++)
if (b64rmap[ch] != b64rmap_space)
return (-1);
}
} else {
/*
* We ended by seeing the end of the string. Make sure we
* have no partial bytes lying around.
*/
if (state != 0)
return (-1);
}
return (tarindex);
}
int
local_b64_pton(char const *src, uint8_t *target, size_t targsize)
{
if (!b64rmap_initialized)
b64_initialize_rmap ();
if (target)
return b64_pton_do (src, target, targsize);
else
return b64_pton_len (src);
}