1 /***************************************************************************
2 * Copyright (C) 2007-2010 by Øyvind Harboe *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
18 ***************************************************************************/
20 /* this file contains various functionality useful to standalone systems */
27 #include "time_support.h"
29 #ifdef HAVE_ARPA_INET_H
30 #include <arpa/inet.h>
41 #ifdef HAVE_SYS_IOCTL_H
42 #include <sys/ioctl.h>
44 #ifdef HAVE_SYS_STAT_H
57 /* loads a file and returns a pointer to it in memory. The file contains
58 * a 0 byte(sentinel) after len bytes - the length of the file. */
59 int loadFile(const char *fileName, void **data, size_t *len)
61 // ensure returned length is always sane
65 pFile = fopen(fileName,"rb");
68 LOG_ERROR("Can't open %s", fileName);
71 if (fseek(pFile, 0, SEEK_END) != 0)
73 LOG_ERROR("Can't open %s", fileName);
77 long fsize = ftell(pFile);
80 LOG_ERROR("Can't open %s", fileName);
86 if (fseek(pFile, 0, SEEK_SET) != 0)
88 LOG_ERROR("Can't open %s", fileName);
92 *data = malloc(*len + 1);
95 LOG_ERROR("Can't open %s", fileName);
100 if (fread(*data, 1, *len, pFile)!=*len)
104 LOG_ERROR("Can't open %s", fileName);
109 // 0-byte after buffer (not included in *len) serves as a sentinel
110 char *buf = (char *)*data;
116 COMMAND_HANDLER(handle_cat_command)
120 return ERROR_COMMAND_SYNTAX_ERROR;
123 // NOTE!!! we only have line printing capability so we print the entire file as a single line.
127 int retval = loadFile(CMD_ARGV[0], &data, &len);
128 if (retval == ERROR_OK)
130 command_print(CMD_CTX, "%s", (char *)data);
135 command_print(CMD_CTX, "%s not found", CMD_ARGV[0]);
141 COMMAND_HANDLER(handle_trunc_command)
145 return ERROR_COMMAND_SYNTAX_ERROR;
148 FILE *config_file = NULL;
149 config_file = fopen(CMD_ARGV[0], "w");
150 if (config_file != NULL)
156 COMMAND_HANDLER(handle_meminfo_command)
159 struct mallinfo info;
163 return ERROR_COMMAND_SYNTAX_ERROR;
170 command_print(CMD_CTX, "Diff: %d", prev - info.fordblks);
172 prev = info.fordblks;
174 command_print(CMD_CTX, "Available ram: %d", info.fordblks);
180 COMMAND_HANDLER(handle_append_command)
184 return ERROR_COMMAND_SYNTAX_ERROR;
187 int retval = ERROR_FAIL;
188 FILE *config_file = NULL;
190 config_file = fopen(CMD_ARGV[0], "a");
191 if (config_file != NULL)
193 fseek(config_file, 0, SEEK_END);
196 for (i = 1; i < CMD_ARGC; i++)
198 if (fwrite(CMD_ARGV[i], 1, strlen(CMD_ARGV[i]),
199 config_file) != strlen(CMD_ARGV[i]))
201 if (i != CMD_ARGC - 1)
203 if (fwrite(" ", 1, 1, config_file) != 1)
207 if ((i == CMD_ARGC) && (fwrite("\n", 1, 1, config_file) == 1))
218 COMMAND_HANDLER(handle_cp_command)
222 return ERROR_COMMAND_SYNTAX_ERROR;
225 // NOTE!!! we only have line printing capability so we print the entire file as a single line.
229 int retval = loadFile(CMD_ARGV[0], &data, &len);
230 if (retval != ERROR_OK)
233 FILE *f = fopen(CMD_ARGV[1], "wb");
235 retval = ERROR_COMMAND_SYNTAX_ERROR;
240 size_t chunk = len - pos;
241 static const size_t maxChunk = 512 * 1024; // ~1/sec
242 if (chunk > maxChunk)
247 if ((retval == ERROR_OK) && (fwrite(((char *)data) + pos, 1, chunk, f) != chunk))
248 retval = ERROR_COMMAND_SYNTAX_ERROR;
250 if (retval != ERROR_OK)
255 command_print(CMD_CTX, "%zu", len - pos);
263 if (retval == ERROR_OK)
265 command_print(CMD_CTX, "Copied %s to %s", CMD_ARGV[0], CMD_ARGV[1]);
268 command_print(CMD_CTX, "copy failed");
276 if (retval != ERROR_OK)
285 #define SHOW_RESULT(a, b) LOG_ERROR(#a " failed %d\n", (int)b)
288 void copyfile(char *name2, char *name1)
296 fd1 = open(name1, O_WRONLY | O_CREAT, 0664);
298 SHOW_RESULT(open, fd1);
300 fd2 = open(name2, O_RDONLY);
302 SHOW_RESULT(open, fd2);
306 done = read(fd2, buf, IOSIZE);
309 SHOW_RESULT(read, done);
313 if (done == 0) break;
315 wrote = write(fd1, buf, done);
316 if (wrote != done) SHOW_RESULT(write, wrote);
318 if (wrote != done) break;
322 if (err < 0) SHOW_RESULT(close, err);
325 if (err < 0) SHOW_RESULT(close, err);
329 /* utility fn to copy a directory */
330 void copydir(char *name, char *destdir)
335 dirp = opendir(destdir);
338 mkdir(destdir, 0777);
341 err = closedir(dirp);
344 dirp = opendir(name);
345 if (dirp == NULL) SHOW_RESULT(opendir, -1);
349 struct dirent *entry = readdir(dirp);
354 if (strcmp(entry->d_name, ".") == 0)
356 if (strcmp(entry->d_name, "..") == 0)
361 char fullPath[PATH_MAX];
362 strncpy(fullPath, name, PATH_MAX);
363 strcat(fullPath, "/");
364 strncat(fullPath, entry->d_name, PATH_MAX - strlen(fullPath));
366 if (stat(fullPath, &buf) == -1)
368 LOG_ERROR("unable to read status from %s", fullPath);
371 isDir = S_ISDIR(buf.st_mode) != 0;
376 // diag_printf("<INFO>: entry %14s",entry->d_name);
377 char fullname[PATH_MAX];
378 char fullname2[PATH_MAX];
380 strcpy(fullname, name);
381 strcat(fullname, "/");
382 strcat(fullname, entry->d_name);
384 strcpy(fullname2, destdir);
385 strcat(fullname2, "/");
386 strcat(fullname2, entry->d_name);
387 // diag_printf("from %s to %s\n", fullname, fullname2);
388 copyfile(fullname, fullname2);
390 // diag_printf("\n");
393 err = closedir(dirp);
394 if (err < 0) SHOW_RESULT(stat, err);
400 COMMAND_HANDLER(handle_rm_command)
403 return ERROR_COMMAND_SYNTAX_ERROR;
406 if (rmdir(CMD_ARGV[0]) == 0)
408 else if (unlink(CMD_ARGV[0]) == 0)
411 return del ? ERROR_OK : ERROR_FAIL;
416 ioutil_Jim_Command_ls(Jim_Interp *interp,
418 Jim_Obj * const *argv)
422 Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
426 char *name = (char*) Jim_GetString(argv[1], NULL);
429 dirp = opendir(name);
434 Jim_Obj *objPtr = Jim_NewListObj(interp, NULL, 0);
438 struct dirent *entry = NULL;
439 entry = readdir(dirp);
443 if ((strcmp(".", entry->d_name) == 0)||(strcmp("..", entry->d_name) == 0))
446 Jim_ListAppendElement(interp, objPtr, Jim_NewStringObj(interp, entry->d_name, strlen(entry->d_name)));
450 Jim_SetResult(interp, objPtr);
456 ioutil_Jim_Command_peek(Jim_Interp *interp,
458 Jim_Obj * const *argv)
462 Jim_WrongNumArgs(interp, 1, argv, "peek ?address?");
467 if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
470 int value = *((volatile int *) address);
472 Jim_SetResult(interp, Jim_NewIntObj(interp, value));
478 ioutil_Jim_Command_poke(Jim_Interp *interp,
480 Jim_Obj * const *argv)
484 Jim_WrongNumArgs(interp, 1, argv, "poke ?address? ?value?");
489 if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
492 if (Jim_GetLong(interp, argv[2], &value) != JIM_OK)
495 *((volatile int *) address) = value;
501 /* not so pretty code to fish out ip number*/
502 static int ioutil_Jim_Command_ip(Jim_Interp *interp, int argc,
503 Jim_Obj * const *argv)
505 #if !defined(__CYGWIN__)
506 Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
508 struct ifaddrs *ifa = NULL, *ifp = NULL;
510 if (getifaddrs(&ifp) < 0)
515 for (ifa = ifp; ifa; ifa = ifa->ifa_next)
520 if (ifa->ifa_addr->sa_family == AF_INET)
521 salen = sizeof(struct sockaddr_in);
522 else if (ifa->ifa_addr->sa_family == AF_INET6)
523 salen = sizeof(struct sockaddr_in6);
527 if (getnameinfo(ifa->ifa_addr, salen, ip, sizeof(ip), NULL, 0,
533 Jim_AppendString(interp, tclOutput, ip, strlen(ip));
540 Jim_Obj *tclOutput = Jim_NewStringObj(interp, "fixme!!!", 0);
541 LOG_ERROR("NOT IMPLEMENTED!!!");
543 Jim_SetResult(interp, tclOutput);
548 /* not so pretty code to fish out eth0 mac address */
549 static int ioutil_Jim_Command_mac(Jim_Interp *interp, int argc,
550 Jim_Obj * const *argv)
554 struct ifreq *ifr, *ifend;
560 SockFD = socket(AF_INET, SOCK_DGRAM, 0);
566 ifc.ifc_len = sizeof(ifs);
568 if (ioctl(SockFD, SIOCGIFCONF, &ifc) < 0)
574 ifend = ifs + (ifc.ifc_len / sizeof(struct ifreq));
575 for (ifr = ifc.ifc_req; ifr < ifend; ifr++)
577 //if (ifr->ifr_addr.sa_family == AF_INET)
579 if (strcmp("eth0", ifr->ifr_name) != 0)
581 strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
582 if (ioctl(SockFD, SIOCGIFHWADDR, &ifreq) < 0)
591 Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
594 sprintf(buffer, "%02x-%02x-%02x-%02x-%02x-%02x",
595 ifreq.ifr_hwaddr.sa_data[0]&0xff,
596 ifreq.ifr_hwaddr.sa_data[1]&0xff,
597 ifreq.ifr_hwaddr.sa_data[2]&0xff,
598 ifreq.ifr_hwaddr.sa_data[3]&0xff,
599 ifreq.ifr_hwaddr.sa_data[4]&0xff,
600 ifreq.ifr_hwaddr.sa_data[5]&0xff);
602 Jim_AppendString(interp, tclOutput, buffer, strlen(buffer));
604 Jim_SetResult(interp, tclOutput);
615 static const struct command_registration ioutil_command_handlers[] = {
618 .handler = handle_cat_command,
620 .help = "display text file content",
625 .handler = handle_trunc_command,
627 .help = "truncate a file to zero length",
632 .handler = handle_cp_command,
634 .help = "copy a file",
635 .usage = "src_file_name dst_file_name",
638 .name = "append_file",
639 .handler = handle_append_command,
641 .help = "append a variable number of strings to a file",
642 .usage = "file_name [<string1>, [<string2>, ...]]",
646 .handler = handle_meminfo_command,
648 .help = "display free heap space",
653 .handler = handle_rm_command,
654 .help = "remove a directory or file",
655 .usage = "file_name",
659 * Peek and poke are security holes -- they manipulate
660 * server-internal addresses.
667 .jim_handler = ioutil_Jim_Command_peek,
668 .help = "peek at a memory address",
674 .jim_handler = ioutil_Jim_Command_poke,
675 .help = "poke at a memory address",
676 .usage = "address value",
681 .jim_handler = ioutil_Jim_Command_ls,
682 .help = "show a listing of files",
688 .jim_handler = ioutil_Jim_Command_mac,
689 .help = "show MAC address",
693 .jim_handler = ioutil_Jim_Command_ip,
695 .help = "show IP address",
697 COMMAND_REGISTRATION_DONE
700 int ioutil_init(struct command_context *cmd_ctx)
702 return register_commands(cmd_ctx, NULL, ioutil_command_handlers);