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Broke out the base64 commands from the text module

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This commit is contained in:
adamdunkels 2010-02-03 20:37:29 +00:00
parent 18f5ef71f0
commit 1a34dbe550
8 changed files with 215 additions and 12 deletions
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2
apps/shell/Makefile.shell
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@ -9,7 +9,7 @@ shell_src = shell.c shell-reboot.c \
shell-tcpsend.c shell-udpsend.c shell-ping.c shell-netstat.c \
shell-rime-sendcmd.c shell-download.c shell-rime-neighbors.c \
shell-rime-unicast.c \
shell-tweet.c \
shell-tweet.c shell-base64.c \
shell-netperf.c shell-memdebug.c
shell_dsc = shell-dsc.c

152
apps/shell/shell-base64.c Normal file
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@ -0,0 +1,152 @@
/*
* Copyright (c) 2008, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* $Id: shell-base64.c,v 1.1 2010/02/03 20:37:29 adamdunkels Exp $
*/
/**
* \file
* Base64-related shell commands
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "shell.h"
#include <ctype.h>
#include <stdio.h>
#ifndef HAVE_SNPRINTF
int snprintf(char *str, size_t size, const char *format, ...);
#endif /* HAVE_SNPRINTF */
#include <string.h>
/*---------------------------------------------------------------------------*/
PROCESS(shell_dec64_process, "dec64");
SHELL_COMMAND(dec64_command,
"dec64",
"dec64: decode base64 input",
&shell_dec64_process);
/*---------------------------------------------------------------------------*/
#define BASE64_MAX_LINELEN 76
struct base64_decoder_state {
uint8_t data[3 * BASE64_MAX_LINELEN / 4];
int dataptr;
unsigned long tmpdata;
int sextets;
int padding;
};
/*---------------------------------------------------------------------------*/
static int
base64_decode_char(char c)
{
if(c >= 'A' && c <= 'Z') {
return c - 'A';
} else if(c >= 'a' && c <= 'z') {
return c - 'a' + 26;
} else if(c >= '0' && c <= '9') {
return c - '0' + 52;
} else if(c == '+') {
return 62;
} else if(c == '/') {
return 63;
} else {
return 0;
}
}
/*---------------------------------------------------------------------------*/
static int
base64_add_char(struct base64_decoder_state *s, char c)
{
if(isspace(c)) {
return 0;
}
if(s->dataptr >= sizeof(s->data)) {
return 0;
}
if(c == '=') {
++s->padding;
}
s->tmpdata = (s->tmpdata << 6) | base64_decode_char(c);
++s->sextets;
if(s->sextets == 4) {
s->sextets = 0;
s->data[s->dataptr] = (uint8_t)(s->tmpdata >> 16);
s->data[s->dataptr + 1] = (uint8_t)(s->tmpdata >> 8);
s->data[s->dataptr + 2] = (uint8_t)(s->tmpdata);
s->dataptr += 3;
if(s->dataptr == sizeof(s->data)) {
return 0;
} else {
return 1;
}
}
return 1;
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_dec64_process, ev, data)
{
PROCESS_BEGIN();
while(1) {
struct shell_input *input;
struct base64_decoder_state s;
int i;
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
if(input->len1 + input->len2 == 0) {
PROCESS_EXIT();
}
s.sextets = s.dataptr = s.padding = 0;
for(i = 0; i < input->len1; ++i) {
base64_add_char(&s, input->data1[i]);
}
for(i = 0; i < input->len2; ++i) {
base64_add_char(&s, input->data2[i]);
}
shell_output(&dec64_command, s.data, s.dataptr - s.padding, "", 0);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
shell_base64_init(void)
{
shell_register_command(&dec64_command);
}
/*---------------------------------------------------------------------------*/

48
apps/shell/shell-base64.h Normal file
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@ -0,0 +1,48 @@
/*
* Copyright (c) 2008, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* $Id: shell-base64.h,v 1.1 2010/02/03 20:37:29 adamdunkels Exp $
*/
/**
* \file
* Shell commands for base64 decoding
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __SHELL_BASE64_H__
#define __SHELL_BASE64_H__
#include "shell.h"
void shell_base64_init(void);
#endif /* __SHELL_BASE64_H__ */

6
apps/shell/shell-text.c
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@ -28,12 +28,12 @@
*
* This file is part of the Contiki operating system.
*
* $Id: shell-text.c,v 1.3 2009/03/06 00:29:33 adamdunkels Exp $
* $Id: shell-text.c,v 1.4 2010/02/03 20:37:29 adamdunkels Exp $
*/
/**
* \file
* A brief description of what this file is.
* Text-related shell commands
* \author
* Adam Dunkels <adam@sics.se>
*/
@ -80,7 +80,7 @@ PROCESS_THREAD(shell_echo_process, ev, data)
{
PROCESS_BEGIN();
shell_output(&echo_command, data, (int)strlen(data), "\n", 1);
shell_output(&echo_command, data, (int)strlen(data), "", 0);
PROCESS_END();
}

4
apps/shell/shell-text.h
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@ -28,12 +28,12 @@
*
* This file is part of the Contiki operating system.
*
* $Id: shell-text.h,v 1.1 2008/02/04 23:42:17 adamdunkels Exp $
* $Id: shell-text.h,v 1.2 2010/02/03 20:37:29 adamdunkels Exp $
*/
/**
* \file
* A brief description of what this file is.
* Text-related shell commands
* \author
* Adam Dunkels <adam@sics.se>
*/

3
apps/shell/shell.h
View File

@ -48,7 +48,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: shell.h,v 1.21 2010/02/02 15:28:53 adamdunkels Exp $
* $Id: shell.h,v 1.22 2010/02/03 20:40:23 adamdunkels Exp $
*/
/**
@ -353,6 +353,7 @@ struct shell_input {
* @}
*/
#include "shell-base64.h"
#include "shell-blink.h"
#include "shell-checkpoint.h"
#include "shell-coffee.h"

3
examples/example-shell/example-shell.c
View File

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: example-shell.c,v 1.2 2009/05/11 17:37:15 adamdunkels Exp $
* $Id: example-shell.c,v 1.3 2010/02/03 20:37:52 adamdunkels Exp $
*/
/**
@ -59,6 +59,7 @@ PROCESS_THREAD(example_shell_process, ev, data)
serial_shell_init();
shell_base64_init();
shell_blink_init();
/*shell_checkpoint_init();*/
/*shell_coffee_init();*/

9
examples/sky-shell/sky-shell.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: sky-shell.c,v 1.15 2010/01/15 08:51:56 adamdunkels Exp $
* $Id: sky-shell.c,v 1.16 2010/02/03 20:37:52 adamdunkels Exp $
*/
/**
@ -239,18 +239,19 @@ PROCESS_THREAD(sky_shell_process, ev, data)
serial_shell_init();
shell_blink_init();
shell_file_init();
shell_coffee_init();
/* shell_file_init();
shell_coffee_init();*/
/* shell_download_init();
shell_rime_sendcmd_init();*/
shell_ps_init();
shell_reboot_init();
shell_rime_init();
shell_rime_netcmd_init();
/* shell_rime_ping_init();*/
shell_rime_ping_init();
/* shell_rime_debug_init(); */
/* shell_rime_sniff_init();*/
shell_sky_init();
shell_base64_init();
shell_text_init();
shell_time_init();
/* shell_checkpoint_init();*/