2da2864632
Two 'rm' commands were implemented and registered. This removes the version that would have never been called prior to refactoring the command registration.
709 lines
14 KiB
C
709 lines
14 KiB
C
/***************************************************************************
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* Copyright (C) 2007-2008 by Øyvind Harboe *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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/* this file contains various functionality useful to standalone systems */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "log.h"
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#include "time_support.h"
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#ifdef HAVE_DIRENT_H
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#include <dirent.h>
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#endif
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#ifdef HAVE_NET_IF_H
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#include <net/if.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_IFADDRS_H
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#include <ifaddrs.h>
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#endif
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#ifdef HAVE_MALLOC_H
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#if !BUILD_ECOSBOARD
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#include <malloc.h>
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#endif
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#endif
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/* loads a file and returns a pointer to it in memory. The file contains
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* a 0 byte(sentinel) after len bytes - the length of the file. */
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int loadFile(const char *fileName, void **data, size_t *len)
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{
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// ensure returned length is always sane
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*len = 0;
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FILE * pFile;
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pFile = fopen(fileName,"rb");
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if (pFile == NULL)
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{
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LOG_ERROR("Can't open %s\n", fileName);
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return ERROR_FAIL;
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}
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if (fseek(pFile, 0, SEEK_END) != 0)
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{
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LOG_ERROR("Can't open %s\n", fileName);
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fclose(pFile);
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return ERROR_FAIL;
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}
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long fsize = ftell(pFile);
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if (fsize == -1)
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{
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LOG_ERROR("Can't open %s\n", fileName);
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fclose(pFile);
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return ERROR_FAIL;
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}
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*len = fsize;
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if (fseek(pFile, 0, SEEK_SET) != 0)
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{
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LOG_ERROR("Can't open %s\n", fileName);
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fclose(pFile);
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return ERROR_FAIL;
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}
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*data = malloc(*len + 1);
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if (*data == NULL)
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{
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LOG_ERROR("Can't open %s\n", fileName);
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fclose(pFile);
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return ERROR_FAIL;
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}
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if (fread(*data, 1, *len, pFile)!=*len)
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{
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fclose(pFile);
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free(*data);
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LOG_ERROR("Can't open %s\n", fileName);
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return ERROR_FAIL;
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}
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fclose(pFile);
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// 0-byte after buffer (not included in *len) serves as a sentinel
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char *buf = (char *)*data;
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buf[*len] = 0;
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return ERROR_OK;
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}
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COMMAND_HANDLER(handle_cat_command)
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{
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if (CMD_ARGC != 1)
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{
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command_print(CMD_CTX, "cat <filename>");
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return ERROR_INVALID_ARGUMENTS;
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}
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// NOTE!!! we only have line printing capability so we print the entire file as a single line.
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void *data;
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size_t len;
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int retval = loadFile(CMD_ARGV[0], &data, &len);
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if (retval == ERROR_OK)
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{
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command_print(CMD_CTX, "%s", (char *)data);
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free(data);
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}
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else
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{
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command_print(CMD_CTX, "%s not found %d", CMD_ARGV[0], retval);
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}
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return ERROR_OK;
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}
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COMMAND_HANDLER(handle_trunc_command)
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{
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if (CMD_ARGC != 1)
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{
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command_print(CMD_CTX, "trunc <filename>");
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return ERROR_INVALID_ARGUMENTS;
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}
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FILE *config_file = NULL;
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config_file = fopen(CMD_ARGV[0], "w");
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if (config_file != NULL)
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fclose(config_file);
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return ERROR_OK;
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}
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COMMAND_HANDLER(handle_meminfo_command)
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{
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static int prev = 0;
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struct mallinfo info;
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if (CMD_ARGC != 0)
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{
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command_print(CMD_CTX, "meminfo");
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return ERROR_INVALID_ARGUMENTS;
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}
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info = mallinfo();
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if (prev > 0)
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{
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command_print(CMD_CTX, "Diff: %d", prev - info.fordblks);
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}
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prev = info.fordblks;
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command_print(CMD_CTX, "Available ram: %d", info.fordblks);
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return ERROR_OK;
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}
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COMMAND_HANDLER(handle_append_command)
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{
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if (CMD_ARGC < 1)
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{
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command_print(CMD_CTX,
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"append <filename> [<string1>, [<string2>, ...]]");
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return ERROR_INVALID_ARGUMENTS;
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}
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int retval = ERROR_FAIL;
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FILE *config_file = NULL;
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config_file = fopen(CMD_ARGV[0], "a");
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if (config_file != NULL)
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{
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fseek(config_file, 0, SEEK_END);
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unsigned i;
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for (i = 1; i < CMD_ARGC; i++)
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{
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if (fwrite(CMD_ARGV[i], 1, strlen(CMD_ARGV[i]), config_file) != strlen(CMD_ARGV[i]))
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break;
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if (i != CMD_ARGC - 1)
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{
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if (fwrite(" ", 1, 1, config_file) != 1)
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break;
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}
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}
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if ((i == CMD_ARGC) && (fwrite("\n", 1, 1, config_file) == 1))
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{
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retval = ERROR_OK;
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}
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fclose(config_file);
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}
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return retval;
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}
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COMMAND_HANDLER(handle_cp_command)
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{
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if (CMD_ARGC != 2)
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{
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return ERROR_INVALID_ARGUMENTS;
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}
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// NOTE!!! we only have line printing capability so we print the entire file as a single line.
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void *data;
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size_t len;
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int retval = loadFile(CMD_ARGV[0], &data, &len);
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if (retval != ERROR_OK)
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return retval;
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FILE *f = fopen(CMD_ARGV[1], "wb");
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if (f == NULL)
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retval = ERROR_INVALID_ARGUMENTS;
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size_t pos = 0;
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for (;;)
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{
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size_t chunk = len - pos;
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static const size_t maxChunk = 512 * 1024; // ~1/sec
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if (chunk > maxChunk)
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{
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chunk = maxChunk;
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}
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if ((retval == ERROR_OK) && (fwrite(((char *)data) + pos, 1, chunk, f) != chunk))
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retval = ERROR_INVALID_ARGUMENTS;
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if (retval != ERROR_OK)
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{
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break;
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}
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command_print(CMD_CTX, "%zu", len - pos);
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pos += chunk;
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if (pos == len)
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break;
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}
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if (retval == ERROR_OK)
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{
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command_print(CMD_CTX, "Copied %s to %s", CMD_ARGV[0], CMD_ARGV[1]);
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} else
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{
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command_print(CMD_CTX, "Failed: %d", retval);
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}
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if (data != NULL)
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free(data);
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if (f != NULL)
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fclose(f);
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if (retval != ERROR_OK)
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unlink(CMD_ARGV[1]);
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return retval;
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}
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#define SHOW_RESULT(a, b) LOG_ERROR(#a " failed %d\n", (int)b)
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#define IOSIZE 512
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void copyfile(char *name2, char *name1)
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{
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int err;
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char buf[IOSIZE];
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int fd1, fd2;
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ssize_t done, wrote;
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fd1 = open(name1, O_WRONLY | O_CREAT, 0664);
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if (fd1 < 0)
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SHOW_RESULT(open, fd1);
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fd2 = open(name2, O_RDONLY);
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if (fd2 < 0)
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SHOW_RESULT(open, fd2);
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for (;;)
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{
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done = read(fd2, buf, IOSIZE);
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if (done < 0)
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{
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SHOW_RESULT(read, done);
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break;
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}
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if (done == 0) break;
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wrote = write(fd1, buf, done);
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if (wrote != done) SHOW_RESULT(write, wrote);
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if (wrote != done) break;
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}
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err = close(fd1);
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if (err < 0) SHOW_RESULT(close, err);
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err = close(fd2);
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if (err < 0) SHOW_RESULT(close, err);
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}
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/* utility fn to copy a directory */
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void copydir(char *name, char *destdir)
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{
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int err;
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DIR *dirp;
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dirp = opendir(destdir);
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if (dirp == NULL)
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{
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mkdir(destdir, 0777);
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} else
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{
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err = closedir(dirp);
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}
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dirp = opendir(name);
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if (dirp == NULL) SHOW_RESULT(opendir, -1);
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for (;;)
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{
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struct dirent *entry = readdir(dirp);
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if (entry == NULL)
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break;
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if (strcmp(entry->d_name, ".") == 0)
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continue;
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if (strcmp(entry->d_name, "..") == 0)
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continue;
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int isDir = 0;
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struct stat buf;
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char fullPath[PATH_MAX];
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strncpy(fullPath, name, PATH_MAX);
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strcat(fullPath, "/");
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strncat(fullPath, entry->d_name, PATH_MAX - strlen(fullPath));
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if (stat(fullPath, &buf) == -1)
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{
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LOG_ERROR("unable to read status from %s", fullPath);
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break;
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}
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isDir = S_ISDIR(buf.st_mode) != 0;
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if (isDir)
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continue;
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// diag_printf("<INFO>: entry %14s",entry->d_name);
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char fullname[PATH_MAX];
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char fullname2[PATH_MAX];
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strcpy(fullname, name);
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strcat(fullname, "/");
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strcat(fullname, entry->d_name);
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strcpy(fullname2, destdir);
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strcat(fullname2, "/");
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strcat(fullname2, entry->d_name);
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// diag_printf("from %s to %s\n", fullname, fullname2);
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copyfile(fullname, fullname2);
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// diag_printf("\n");
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}
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err = closedir(dirp);
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if (err < 0) SHOW_RESULT(stat, err);
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}
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static int
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zylinjtag_Jim_Command_rm(Jim_Interp *interp,
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int argc,
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Jim_Obj * const *argv)
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{
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int del;
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if (argc != 2)
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{
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Jim_WrongNumArgs(interp, 1, argv, "rm ?dirorfile?");
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return JIM_ERR;
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}
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del = 0;
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if (unlink(Jim_GetString(argv[1], NULL)) == 0)
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del = 1;
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if (rmdir(Jim_GetString(argv[1], NULL)) == 0)
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del = 1;
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return del ? JIM_OK : JIM_ERR;
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}
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static int
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zylinjtag_Jim_Command_ls(Jim_Interp *interp,
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int argc,
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Jim_Obj * const *argv)
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{
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if (argc != 2)
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{
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Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
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return JIM_ERR;
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}
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char *name = (char*) Jim_GetString(argv[1], NULL);
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DIR *dirp = NULL;
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dirp = opendir(name);
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if (dirp == NULL)
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{
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return JIM_ERR;
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}
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Jim_Obj *objPtr = Jim_NewListObj(interp, NULL, 0);
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for (;;)
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{
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struct dirent *entry = NULL;
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entry = readdir(dirp);
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if (entry == NULL)
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break;
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if ((strcmp(".", entry->d_name) == 0)||(strcmp("..", entry->d_name) == 0))
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continue;
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Jim_ListAppendElement(interp, objPtr, Jim_NewStringObj(interp, entry->d_name, strlen(entry->d_name)));
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}
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closedir(dirp);
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Jim_SetResult(interp, objPtr);
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return JIM_OK;
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}
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static int
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zylinjtag_Jim_Command_peek(Jim_Interp *interp,
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int argc,
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Jim_Obj * const *argv)
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{
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if (argc != 2)
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{
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Jim_WrongNumArgs(interp, 1, argv, "peek ?address?");
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return JIM_ERR;
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}
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long address;
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if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
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return JIM_ERR;
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int value = *((volatile int *) address);
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Jim_SetResult(interp, Jim_NewIntObj(interp, value));
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return JIM_OK;
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}
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static int
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zylinjtag_Jim_Command_poke(Jim_Interp *interp,
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int argc,
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Jim_Obj * const *argv)
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{
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if (argc != 3)
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{
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Jim_WrongNumArgs(interp, 1, argv, "poke ?address? ?value?");
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return JIM_ERR;
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}
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long address;
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if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
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return JIM_ERR;
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long value;
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if (Jim_GetLong(interp, argv[2], &value) != JIM_OK)
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return JIM_ERR;
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*((volatile int *) address) = value;
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return JIM_OK;
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}
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/* not so pretty code to fish out ip number*/
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static int zylinjtag_Jim_Command_ip(Jim_Interp *interp, int argc,
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Jim_Obj * const *argv)
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{
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#if !defined(__CYGWIN__)
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Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
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struct ifaddrs *ifa = NULL, *ifp = NULL;
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if (getifaddrs(&ifp) < 0)
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{
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return JIM_ERR;
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}
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for (ifa = ifp; ifa; ifa = ifa->ifa_next)
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{
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char ip[200];
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socklen_t salen;
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if (ifa->ifa_addr->sa_family == AF_INET)
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salen = sizeof(struct sockaddr_in);
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else if (ifa->ifa_addr->sa_family == AF_INET6)
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salen = sizeof(struct sockaddr_in6);
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else
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continue;
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if (getnameinfo(ifa->ifa_addr, salen, ip, sizeof(ip), NULL, 0,
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NI_NUMERICHOST) < 0)
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{
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continue;
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}
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Jim_AppendString(interp, tclOutput, ip, strlen(ip));
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break;
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}
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freeifaddrs(ifp);
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#else
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Jim_Obj *tclOutput = Jim_NewStringObj(interp, "fixme!!!", 0);
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LOG_ERROR("NOT IMPLEMENTED!!!");
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#endif
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Jim_SetResult(interp, tclOutput);
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return JIM_OK;
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}
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/* not so pretty code to fish out eth0 mac address */
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static int zylinjtag_Jim_Command_mac(Jim_Interp *interp, int argc,
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Jim_Obj * const *argv)
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{
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struct ifreq *ifr, *ifend;
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struct ifreq ifreq;
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struct ifconf ifc;
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struct ifreq ifs[5];
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int SockFD;
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SockFD = socket(AF_INET, SOCK_DGRAM, 0);
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if (SockFD < 0)
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{
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return JIM_ERR;
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}
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ifc.ifc_len = sizeof(ifs);
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ifc.ifc_req = ifs;
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if (ioctl(SockFD, SIOCGIFCONF, &ifc) < 0)
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{
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close(SockFD);
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return JIM_ERR;
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}
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|
|
ifend = ifs + (ifc.ifc_len / sizeof(struct ifreq));
|
|
for (ifr = ifc.ifc_req; ifr < ifend; ifr++)
|
|
{
|
|
//if (ifr->ifr_addr.sa_family == AF_INET)
|
|
{
|
|
if (strcmp("eth0", ifr->ifr_name) != 0)
|
|
continue;
|
|
strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
|
|
if (ioctl(SockFD, SIOCGIFHWADDR, &ifreq) < 0)
|
|
{
|
|
close(SockFD);
|
|
return JIM_ERR;
|
|
}
|
|
|
|
close(SockFD);
|
|
|
|
|
|
Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
|
|
|
|
char buffer[256];
|
|
sprintf(buffer, "%02x-%02x-%02x-%02x-%02x-%02x",
|
|
ifreq.ifr_hwaddr.sa_data[0]&0xff,
|
|
ifreq.ifr_hwaddr.sa_data[1]&0xff,
|
|
ifreq.ifr_hwaddr.sa_data[2]&0xff,
|
|
ifreq.ifr_hwaddr.sa_data[3]&0xff,
|
|
ifreq.ifr_hwaddr.sa_data[4]&0xff,
|
|
ifreq.ifr_hwaddr.sa_data[5]&0xff);
|
|
|
|
Jim_AppendString(interp, tclOutput, buffer, strlen(buffer));
|
|
|
|
Jim_SetResult(interp, tclOutput);
|
|
|
|
return JIM_OK;
|
|
}
|
|
}
|
|
close(SockFD);
|
|
|
|
return JIM_ERR;
|
|
|
|
}
|
|
|
|
static const struct command_registration ioutil_command_handlers[] = {
|
|
{
|
|
.name = "cat",
|
|
.handler = &handle_cat_command,
|
|
.mode = COMMAND_ANY,
|
|
.help = "display file content",
|
|
.usage= "<file_name>",
|
|
},
|
|
{
|
|
.name = "trunc",
|
|
.handler = &handle_trunc_command,
|
|
.mode = COMMAND_ANY,
|
|
.help = "truncate a file 0 size",
|
|
.usage= "<file_name>",
|
|
},
|
|
{
|
|
.name = "cp",
|
|
.handler = &handle_cp_command,
|
|
.mode = COMMAND_ANY,
|
|
.help = "copy a file",
|
|
.usage = "<src> <dst>",
|
|
},
|
|
{
|
|
.name = "append_file",
|
|
.handler = &handle_append_command,
|
|
.mode = COMMAND_ANY,
|
|
.help = "append a variable number of strings to a file",
|
|
.usage= "<file_name> [<string> ...]",
|
|
},
|
|
{
|
|
.name = "meminfo",
|
|
.handler = &handle_meminfo_command,
|
|
.mode = COMMAND_ANY,
|
|
.help = "display available ram memory",
|
|
},
|
|
// jim handlers
|
|
{
|
|
.name = "rm",
|
|
.mode = COMMAND_ANY,
|
|
.jim_handler = &zylinjtag_Jim_Command_rm,
|
|
.help = "remove a file",
|
|
.usage = "<file>",
|
|
},
|
|
{
|
|
.name = "peek",
|
|
.mode = COMMAND_ANY,
|
|
.jim_handler = &zylinjtag_Jim_Command_peek,
|
|
.help = "peek at a memory address",
|
|
.usage = "<addr>",
|
|
},
|
|
{
|
|
.name = "poke",
|
|
.mode = COMMAND_ANY,
|
|
.jim_handler = &zylinjtag_Jim_Command_poke,
|
|
.help = "poke at a memory address",
|
|
.usage = "<addr> <value>",
|
|
},
|
|
{
|
|
.name = "ls",
|
|
.mode = COMMAND_ANY,
|
|
.jim_handler = &zylinjtag_Jim_Command_ls,
|
|
.help = "show a listing of files",
|
|
.usage = "<dir>",
|
|
},
|
|
{
|
|
.name = "mac",
|
|
.mode = COMMAND_ANY,
|
|
.jim_handler = &zylinjtag_Jim_Command_mac,
|
|
.help = "show MAC address",
|
|
},
|
|
{
|
|
.name = "ip",
|
|
.jim_handler = &zylinjtag_Jim_Command_ip,
|
|
.mode = COMMAND_ANY,
|
|
.help = "show IP address",
|
|
},
|
|
COMMAND_REGISTRATION_DONE
|
|
};
|
|
|
|
int ioutil_init(struct command_context *cmd_ctx)
|
|
{
|
|
return register_commands(cmd_ctx, NULL, ioutil_command_handlers);
|
|
}
|