+++ /dev/null
-/***************************************************************************
- * Copyright (C) 2007-2010 by Øyvind Harboe *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program 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 General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program. If not, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
-/* this file contains various functionality useful to standalone systems */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "log.h"
-#include "time_support.h"
-
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-#ifdef HAVE_DIRENT_H
-#include <dirent.h>
-#endif
-#ifdef HAVE_NETDB_H
-#include <netdb.h>
-#endif
-#ifdef HAVE_NET_IF_H
-#include <net/if.h>
-#endif
-#ifdef HAVE_SYS_IOCTL_H
-#include <sys/ioctl.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#ifdef HAVE_IFADDRS_H
-#include <ifaddrs.h>
-#endif
-#ifdef HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-
-/* loads a file and returns a pointer to it in memory. The file contains
- * a 0 byte(sentinel) after len bytes - the length of the file. */
-static int load_file(const char *fileName, char **data, size_t *len)
-{
- /* ensure returned length is always sane */
- *len = 0;
-
- FILE *pFile;
- pFile = fopen(fileName, "rb");
- if (pFile == NULL) {
- LOG_ERROR("Can't open %s", fileName);
- return ERROR_FAIL;
- }
- if (fseek(pFile, 0, SEEK_END) != 0) {
- LOG_ERROR("Can't open %s", fileName);
- fclose(pFile);
- return ERROR_FAIL;
- }
- long fsize = ftell(pFile);
- if (fsize == -1) {
- LOG_ERROR("Can't open %s", fileName);
- fclose(pFile);
- return ERROR_FAIL;
- }
- *len = fsize;
-
- if (fseek(pFile, 0, SEEK_SET) != 0) {
- LOG_ERROR("Can't open %s", fileName);
- fclose(pFile);
- return ERROR_FAIL;
- }
- *data = malloc(*len + 1);
- if (*data == NULL) {
- LOG_ERROR("Can't open %s", fileName);
- fclose(pFile);
- return ERROR_FAIL;
- }
-
- if (fread(*data, 1, *len, pFile) != *len) {
- fclose(pFile);
- free(*data);
- LOG_ERROR("Can't open %s", fileName);
- return ERROR_FAIL;
- }
- fclose(pFile);
-
- /* 0-byte after buffer (not included in *len) serves as a sentinel */
- (*data)[*len] = 0;
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(handle_cat_command)
-{
- if (CMD_ARGC != 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- /* NOTE!!! we only have line printing capability so we print the entire file as a single
- * line. */
- char *data;
- size_t len;
-
- int retval = load_file(CMD_ARGV[0], &data, &len);
- if (retval == ERROR_OK) {
- command_print(CMD, "%s", data);
- free(data);
- } else
- command_print(CMD, "%s not found", CMD_ARGV[0]);
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(handle_trunc_command)
-{
- if (CMD_ARGC != 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- FILE *config_file = NULL;
- config_file = fopen(CMD_ARGV[0], "w");
- if (config_file != NULL)
- fclose(config_file);
-
- return ERROR_OK;
-}
-
-#ifdef HAVE_MALLOC_H
-COMMAND_HANDLER(handle_meminfo_command)
-{
- static int prev;
- struct mallinfo info;
-
- if (CMD_ARGC != 0)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- info = mallinfo();
-
- if (prev > 0)
- command_print(CMD, "Diff: %d", prev - info.fordblks);
- prev = info.fordblks;
-
- command_print(CMD, "Available ram: %d", info.fordblks);
-
- return ERROR_OK;
-}
-#endif
-
-COMMAND_HANDLER(handle_append_command)
-{
- if (CMD_ARGC < 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- int retval = ERROR_FAIL;
- FILE *config_file = NULL;
-
- config_file = fopen(CMD_ARGV[0], "a");
- if (config_file != NULL) {
- fseek(config_file, 0, SEEK_END);
-
- unsigned i;
- for (i = 1; i < CMD_ARGC; i++) {
- if (fwrite(CMD_ARGV[i], 1, strlen(CMD_ARGV[i]),
- config_file) != strlen(CMD_ARGV[i]))
- break;
- if (i != CMD_ARGC - 1) {
- if (fwrite(" ", 1, 1, config_file) != 1)
- break;
- }
- }
- if ((i == CMD_ARGC) && (fwrite("\n", 1, 1, config_file) == 1))
- retval = ERROR_OK;
-
- fclose(config_file);
- }
-
- return retval;
-}
-
-COMMAND_HANDLER(handle_cp_command)
-{
- if (CMD_ARGC != 2)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- /* NOTE!!! we only have line printing capability so we print the entire file as a single
- * line. */
- char *data;
- size_t len;
-
- int retval = load_file(CMD_ARGV[0], &data, &len);
- if (retval != ERROR_OK)
- return retval;
-
- FILE *f = fopen(CMD_ARGV[1], "wb");
- if (f == NULL)
- retval = ERROR_COMMAND_SYNTAX_ERROR;
-
- size_t pos = 0;
- for (;; ) {
- size_t chunk = len - pos;
- static const size_t maxChunk = 512 * 1024; /* ~1/sec */
- if (chunk > maxChunk)
- chunk = maxChunk;
-
- if ((retval == ERROR_OK) && (fwrite(data + pos, 1, chunk, f) != chunk))
- retval = ERROR_COMMAND_SYNTAX_ERROR;
-
- if (retval != ERROR_OK)
- break;
-
- command_print(CMD, "%zu", len - pos);
-
- pos += chunk;
-
- if (pos == len)
- break;
- }
-
- if (retval == ERROR_OK)
- command_print(CMD, "Copied %s to %s", CMD_ARGV[0], CMD_ARGV[1]);
- else
- command_print(CMD, "copy failed");
-
- free(data);
- if (f != NULL)
- fclose(f);
-
- if (retval != ERROR_OK)
- unlink(CMD_ARGV[1]);
-
- return retval;
-}
-
-COMMAND_HANDLER(handle_rm_command)
-{
- if (CMD_ARGC != 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- bool del = false;
- if (rmdir(CMD_ARGV[0]) == 0)
- del = true;
- else if (unlink(CMD_ARGV[0]) == 0)
- del = true;
-
- return del ? ERROR_OK : ERROR_FAIL;
-}
-
-static int ioutil_Jim_Command_ls(Jim_Interp *interp,
- int argc,
- Jim_Obj * const *argv)
-{
- if (argc != 2) {
- Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
- return JIM_ERR;
- }
-
- const char *name = Jim_GetString(argv[1], NULL);
-
- DIR *dirp = NULL;
- dirp = opendir(name);
- if (dirp == NULL)
- return JIM_ERR;
- Jim_Obj *objPtr = Jim_NewListObj(interp, NULL, 0);
-
- for (;; ) {
- struct dirent *entry = NULL;
- entry = readdir(dirp);
- if (entry == NULL)
- break;
-
- if ((strcmp(".", entry->d_name) == 0) || (strcmp("..", entry->d_name) == 0))
- continue;
-
- Jim_ListAppendElement(interp, objPtr,
- Jim_NewStringObj(interp, entry->d_name, strlen(entry->d_name)));
- }
- closedir(dirp);
-
- Jim_SetResult(interp, objPtr);
-
- return JIM_OK;
-}
-
-static int ioutil_Jim_Command_peek(Jim_Interp *interp,
- int argc,
- Jim_Obj *const *argv)
-{
- if (argc != 2) {
- Jim_WrongNumArgs(interp, 1, argv, "peek ?address?");
- return JIM_ERR;
- }
-
- long address;
- if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
- return JIM_ERR;
-
- int value = *((volatile int *) address);
-
- Jim_SetResult(interp, Jim_NewIntObj(interp, value));
-
- return JIM_OK;
-}
-
-static int ioutil_Jim_Command_poke(Jim_Interp *interp,
- int argc,
- Jim_Obj *const *argv)
-{
- if (argc != 3) {
- Jim_WrongNumArgs(interp, 1, argv, "poke ?address? ?value?");
- return JIM_ERR;
- }
-
- long address;
- if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
- return JIM_ERR;
- long value;
- if (Jim_GetLong(interp, argv[2], &value) != JIM_OK)
- return JIM_ERR;
-
- *((volatile int *) address) = value;
-
- return JIM_OK;
-}
-
-/* not so pretty code to fish out ip number*/
-static int ioutil_Jim_Command_ip(Jim_Interp *interp, int argc,
- Jim_Obj *const *argv)
-{
-#if !defined(__CYGWIN__)
- Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
-
- struct ifaddrs *ifa = NULL, *ifp = NULL;
-
- if (getifaddrs(&ifp) < 0)
- return JIM_ERR;
-
- for (ifa = ifp; ifa; ifa = ifa->ifa_next) {
- char ip[200];
- socklen_t salen;
-
- if (ifa->ifa_addr->sa_family == AF_INET)
- salen = sizeof(struct sockaddr_in);
- else if (ifa->ifa_addr->sa_family == AF_INET6)
- salen = sizeof(struct sockaddr_in6);
- else
- continue;
-
- if (getnameinfo(ifa->ifa_addr, salen, ip, sizeof(ip), NULL, 0,
- NI_NUMERICHOST) < 0)
- continue;
-
- Jim_AppendString(interp, tclOutput, ip, strlen(ip));
- break;
-
- }
-
- freeifaddrs(ifp);
-#else
- Jim_Obj *tclOutput = Jim_NewStringObj(interp, "fixme!!!", 0);
- LOG_ERROR("NOT IMPLEMENTED!!!");
-#endif
- Jim_SetResult(interp, tclOutput);
-
- return JIM_OK;
-}
-
-#ifdef HAVE_SYS_IOCTL_H
-#ifdef SIOCGIFHWADDR
-/* not so pretty code to fish out eth0 mac address */
-static int ioutil_Jim_Command_mac(Jim_Interp *interp, int argc,
- Jim_Obj *const *argv)
-{
- struct ifreq *ifr, *ifend;
- struct ifreq ifreq;
- struct ifconf ifc;
- struct ifreq ifs[5];
- int SockFD;
-
- SockFD = socket(AF_INET, SOCK_DGRAM, 0);
- if (SockFD < 0)
- return JIM_ERR;
-
- ifc.ifc_len = sizeof(ifs);
- ifc.ifc_req = ifs;
- if (ioctl(SockFD, SIOCGIFCONF, &ifc) < 0) {
- close(SockFD);
- return JIM_ERR;
- }
-
- 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) - 1);
- 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;
-
-}
-#endif
-#endif
-
-static const struct command_registration ioutil_command_handlers[] = {
- {
- .name = "cat",
- .handler = handle_cat_command,
- .mode = COMMAND_ANY,
- .help = "display text file content",
- .usage = "file_name",
- },
- {
- .name = "trunc",
- .handler = handle_trunc_command,
- .mode = COMMAND_ANY,
- .help = "truncate a file to zero length",
- .usage = "file_name",
- },
- {
- .name = "cp",
- .handler = handle_cp_command,
- .mode = COMMAND_ANY,
- .help = "copy a file",
- .usage = "src_file_name dst_file_name",
- },
- {
- .name = "append_file",
- .handler = handle_append_command,
- .mode = COMMAND_ANY,
- .help = "append a variable number of strings to a file",
- .usage = "file_name [<string1>, [<string2>, ...]]",
- },
-#ifdef HAVE_MALLOC_H
- {
- .name = "meminfo",
- .handler = handle_meminfo_command,
- .mode = COMMAND_ANY,
- .help = "display free heap space",
- .usage = "",
- },
-#endif
- {
- .name = "rm",
- .mode = COMMAND_ANY,
- .handler = handle_rm_command,
- .help = "remove a directory or file",
- .usage = "file_name",
- },
-
- /*
- * Peek and poke are security holes -- they manipulate
- * server-internal addresses.
- */
-
- /* jim handlers */
- {
- .name = "peek",
- .mode = COMMAND_ANY,
- .jim_handler = ioutil_Jim_Command_peek,
- .help = "peek at a memory address",
- .usage = "address",
- },
- {
- .name = "poke",
- .mode = COMMAND_ANY,
- .jim_handler = ioutil_Jim_Command_poke,
- .help = "poke at a memory address",
- .usage = "address value",
- },
- {
- .name = "ls",
- .mode = COMMAND_ANY,
- .jim_handler = ioutil_Jim_Command_ls,
- .help = "show a listing of files",
- .usage = "dirname",
- },
-#ifdef HAVE_SYS_IOCTL_H
-#ifdef SIOCGIFHWADDR
- {
- .name = "mac",
- .mode = COMMAND_ANY,
- .jim_handler = ioutil_Jim_Command_mac,
- .help = "show MAC address",
- },
-#endif
-#endif
- {
- .name = "ip",
- .jim_handler = ioutil_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);
-}
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