diff options
Diffstat (limited to 'apps/nshlib/nsh_fscmds.c')
| -rw-r--r-- | apps/nshlib/nsh_fscmds.c | 1315 |
1 files changed, 0 insertions, 1315 deletions
diff --git a/apps/nshlib/nsh_fscmds.c b/apps/nshlib/nsh_fscmds.c deleted file mode 100644 index 83717e416..000000000 --- a/apps/nshlib/nsh_fscmds.c +++ /dev/null @@ -1,1315 +0,0 @@ -/**************************************************************************** - * apps/nshlib/nsh_fscmds.c - * - * Copyright (C) 2007-2009, 2011-2013 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * 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 NuttX 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 COPYRIGHT HOLDERS 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 - * COPYRIGHT OWNER 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <sys/types.h> -#include <stdint.h> -#include <stdbool.h> - -#if CONFIG_NFILE_DESCRIPTORS > 0 -# include <sys/stat.h> -# include <fcntl.h> -# if !defined(CONFIG_DISABLE_MOUNTPOINT) -# ifdef CONFIG_FS_READABLE /* Need at least one filesytem in configuration */ -# include <sys/mount.h> -# include <nuttx/ramdisk.h> -# endif -# ifdef CONFIG_FS_FAT -# include <nuttx/fs/mkfatfs.h> -# endif -# ifdef CONFIG_NFS -# include <sys/socket.h> -# include <netinet/in.h> -# include <nuttx/fs/nfs.h> -# endif -# ifdef CONFIG_RAMLOG_SYSLOG -# include <nuttx/ramlog.h> -# endif -#endif -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <dirent.h> -#include <limits.h> -#include <libgen.h> -#include <errno.h> -#include <debug.h> - -#include "nsh.h" -#include "nsh_console.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -#define LSFLAGS_SIZE 1 -#define LSFLAGS_LONG 2 -#define LSFLAGS_RECURSIVE 4 - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -typedef int (*direntry_handler_t)(FAR struct nsh_vtbl_s *, const char *, - struct dirent *, void *); - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/* Common buffer for file I/O. Note the use of this common buffer precludes - * multiple copies of NSH running concurrently. It should be allocated per - * NSH instance and retained in the "vtbl" as is done for the telnet - * connection. - */ - -static char g_iobuffer[IOBUFFERSIZE]; - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: trim_dir - ****************************************************************************/ - -static void trim_dir(char *arg) -{ - /* Skip any trailing '/' characters (unless it is also the leading '/') */ - - int len = strlen(arg) - 1; - while (len > 0 && arg[len] == '/') - { - arg[len] = '\0'; - len--; - } -} - -/**************************************************************************** - * Name: nsh_getdirpath - ****************************************************************************/ - -static char *nsh_getdirpath(const char *path, const char *file) -{ - /* Handle the case where all that is left is '/' */ - - if (strcmp(path, "/") == 0) - { - sprintf(g_iobuffer, "/%s", file); - } - else - { - sprintf(g_iobuffer, "%s/%s", path, file); - } - - g_iobuffer[PATH_MAX] = '\0'; - return strdup(g_iobuffer); -} - -/**************************************************************************** - * Name: foreach_direntry - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -static int foreach_direntry(FAR struct nsh_vtbl_s *vtbl, const char *cmd, const char *dirpath, - direntry_handler_t handler, void *pvarg) -{ - DIR *dirp; - int ret = OK; - - /* Trim trailing '/' from directory names */ - -#ifdef CONFIG_NSH_FULLPATH - trim_dir(arg); -#endif - - /* Open the directory */ - - dirp = opendir(dirpath); - - if (!dirp) - { - /* Failed to open the directory */ - - nsh_output(vtbl, g_fmtnosuch, cmd, "directory", dirpath); - return ERROR; - } - - /* Read each directory entry */ - - for (;;) - { - struct dirent *entryp = readdir(dirp); - if (!entryp) - { - /* Finished with this directory */ - - break; - } - - /* Call the handler with this directory entry */ - - if (handler(vtbl, dirpath, entryp, pvarg) < 0) - { - /* The handler reported a problem */ - - ret = ERROR; - break; - } - } - - closedir(dirp); - return ret; -} -#endif - -/**************************************************************************** - * Name: ls_specialdir - ****************************************************************************/ - -static inline int ls_specialdir(const char *dir) -{ - /* '.' and '..' directories are not listed like normal directories */ - - return (strcmp(dir, ".") == 0 || strcmp(dir, "..") == 0); -} - -/**************************************************************************** - * Name: ls_handler - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -static int ls_handler(FAR struct nsh_vtbl_s *vtbl, const char *dirpath, struct dirent *entryp, void *pvarg) -{ - unsigned int lsflags = (unsigned int)pvarg; - int ret; - - /* Check if any options will require that we stat the file */ - - if ((lsflags & (LSFLAGS_SIZE|LSFLAGS_LONG)) != 0) - { - struct stat buf; - char *fullpath = nsh_getdirpath(dirpath, entryp->d_name); - - /* Yes, stat the file */ - - ret = stat(fullpath, &buf); - free(fullpath); - if (ret != 0) - { - nsh_output(vtbl, g_fmtcmdfailed, "ls", "stat", NSH_ERRNO); - return ERROR; - } - - if ((lsflags & LSFLAGS_LONG) != 0) - { - char details[] = "----------"; - if (S_ISDIR(buf.st_mode)) - { - details[0]='d'; - } - else if (S_ISCHR(buf.st_mode)) - { - details[0]='c'; - } - else if (S_ISBLK(buf.st_mode)) - { - details[0]='b'; - } - - if ((buf.st_mode & S_IRUSR) != 0) - { - details[1]='r'; - } - - if ((buf.st_mode & S_IWUSR) != 0) - { - details[2]='w'; - } - - if ((buf.st_mode & S_IXUSR) != 0) - { - details[3]='x'; - } - - if ((buf.st_mode & S_IRGRP) != 0) - { - details[4]='r'; - } - - if ((buf.st_mode & S_IWGRP) != 0) - { - details[5]='w'; - } - - if ((buf.st_mode & S_IXGRP) != 0) - { - details[6]='x'; - } - - if ((buf.st_mode & S_IROTH) != 0) - { - details[7]='r'; - } - - if ((buf.st_mode & S_IWOTH) != 0) - { - details[8]='w'; - } - - if ((buf.st_mode & S_IXOTH) != 0) - { - details[9]='x'; - } - - nsh_output(vtbl, " %s", details); - } - - if ((lsflags & LSFLAGS_SIZE) != 0) - { - nsh_output(vtbl, "%8d", buf.st_size); - } - } - - /* then provide the filename that is common to normal and verbose output */ - -#ifdef CONFIG_NSH_FULLPATH - nsh_output(vtbl, " %s/%s", arg, entryp->d_name); -#else - nsh_output(vtbl, " %s", entryp->d_name); -#endif - - if (DIRENT_ISDIRECTORY(entryp->d_type) && !ls_specialdir(entryp->d_name)) - { - nsh_output(vtbl, "/\n"); - } - else - { - nsh_output(vtbl, "\n"); - } - return OK; -} -#endif - -/**************************************************************************** - * Name: ls_recursive - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -static int ls_recursive(FAR struct nsh_vtbl_s *vtbl, const char *dirpath, - struct dirent *entryp, void *pvarg) -{ - int ret = OK; - - /* Is this entry a directory (and not one of the special directories, . and ..)? */ - - if (DIRENT_ISDIRECTORY(entryp->d_type) && !ls_specialdir(entryp->d_name)) - { - /* Yes.. */ - - char *newpath; - newpath = nsh_getdirpath(dirpath, entryp->d_name); - - /* List the directory contents */ - - nsh_output(vtbl, "%s:\n", newpath); - - /* Traverse the directory */ - - ret = foreach_direntry(vtbl, "ls", newpath, ls_handler, pvarg); - if (ret == 0) - { - /* Then recurse to list each directory within the directory */ - - ret = foreach_direntry(vtbl, "ls", newpath, ls_recursive, pvarg); - free(newpath); - } - } - return ret; -} -#endif - -/**************************************************************************** - * Name: cat_common - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -#ifndef CONFIG_NSH_DISABLE_CAT -static int cat_common(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd, - FAR const char *filename) -{ - char buffer[IOBUFFERSIZE]; - int fd; - int ret = OK; - - /* Open the file for reading */ - - fd = open(filename, O_RDONLY); - if (fd < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, cmd, "open", NSH_ERRNO); - return ERROR; - } - - /* And just dump it byte for byte into stdout */ - - for (;;) - { - int nbytesread = read(fd, buffer, IOBUFFERSIZE); - - /* Check for read errors */ - - if (nbytesread < 0) - { - int errval = errno; - - /* EINTR is not an error (but will stop stop the cat) */ - -#ifndef CONFIG_DISABLE_SIGNALS - if (errval == EINTR) - { - nsh_output(vtbl, g_fmtsignalrecvd, cmd); - } - else -#endif - { - nsh_output(vtbl, g_fmtcmdfailed, cmd, "read", NSH_ERRNO_OF(errval)); - } - - ret = ERROR; - break; - } - - /* Check for data successfully read */ - - else if (nbytesread > 0) - { - int nbyteswritten = 0; - - while (nbyteswritten < nbytesread) - { - ssize_t n = nsh_write(vtbl, buffer, nbytesread); - if (n < 0) - { - int errval = errno; - - /* EINTR is not an error (but will stop stop the cat) */ - - #ifndef CONFIG_DISABLE_SIGNALS - if (errval == EINTR) - { - nsh_output(vtbl, g_fmtsignalrecvd, cmd); - } - else -#endif - { - nsh_output(vtbl, g_fmtcmdfailed, cmd, "write", NSH_ERRNO); - } - - ret = ERROR; - break; - } - else - { - nbyteswritten += n; - } - } - } - - /* Otherwise, it is the end of file */ - - else - { - break; - } - } - - (void)close(fd); - return ret; -} -#endif -#endif - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: cmd_cat - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -#ifndef CONFIG_NSH_DISABLE_CAT -int cmd_cat(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - char *fullpath; - int i; - int ret = OK; - - /* Loop for each file name on the command line */ - - for (i = 1; i < argc && ret == OK; i++) - { - /* Get the fullpath to the file */ - - fullpath = nsh_getfullpath(vtbl, argv[i]); - if (!fullpath) - { - ret = ERROR; - } - else - { - /* Dump the file to the console */ - - ret = cat_common(vtbl, argv[0], fullpath); - - /* Free the allocated full path */ - - nsh_freefullpath(fullpath); - } - } - - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_dmesg - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_SYSLOG) && \ - defined(CONFIG_RAMLOG_SYSLOG) && !defined(CONFIG_NSH_DISABLE_DMESG) -int cmd_dmesg(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - return cat_common(vtbl, argv[0], CONFIG_SYSLOG_DEVPATH); -} -#endif - -/**************************************************************************** - * Name: cmd_cp - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -#ifndef CONFIG_NSH_DISABLE_CP -int cmd_cp(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - struct stat buf; - char *srcpath = NULL; - char *destpath = NULL; - char *allocpath = NULL; - int oflags = O_WRONLY|O_CREAT|O_TRUNC; - int rdfd; - int wrfd; - int ret = ERROR; - - /* Get the full path to the source file */ - - srcpath = nsh_getfullpath(vtbl, argv[1]); - if (!srcpath) - { - goto errout; - } - - /* Open the source file for reading */ - - rdfd = open(srcpath, O_RDONLY); - if (rdfd < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "open", NSH_ERRNO); - goto errout_with_srcpath; - } - - /* Get the full path to the destination file or directory */ - - destpath = nsh_getfullpath(vtbl, argv[2]); - if (!destpath) - { - goto errout_with_rdfd; - } - - /* Check if the destination is a directory */ - - ret = stat(destpath, &buf); - if (ret == 0) - { - /* Something exists here... is it a directory? */ - - if (S_ISDIR(buf.st_mode)) - { - /* Yes, it is a directory. Remove any trailing '/' characters from the path */ - - trim_dir(argv[2]); - - /* Construct the full path to the new file */ - - allocpath = nsh_getdirpath(argv[2], basename(argv[1]) ); - if (!allocpath) - { - nsh_output(vtbl, g_fmtcmdoutofmemory, argv[0]); - goto errout_with_destpath; - } - - /* Open then dest for writing */ - - nsh_freefullpath(destpath); - destpath = allocpath; - } - else if (!S_ISREG(buf.st_mode)) - { - /* Maybe it is a driver? */ - - oflags = O_WRONLY; - } - } - - /* Now open the destination */ - - wrfd = open(destpath, oflags, 0666); - if (wrfd < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "open", NSH_ERRNO); - goto errout_with_allocpath; - } - - /* Now copy the file */ - - for (;;) - { - int nbytesread; - int nbyteswritten; - - do - { - nbytesread = read(rdfd, g_iobuffer, IOBUFFERSIZE); - if (nbytesread == 0) - { - /* End of file */ - - ret = OK; - goto errout_with_wrfd; - } - else if (nbytesread < 0) - { - /* EINTR is not an error (but will still stop the copy) */ - -#ifndef CONFIG_DISABLE_SIGNALS - if (errno == EINTR) - { - nsh_output(vtbl, g_fmtsignalrecvd, argv[0]); - } - else -#endif - { - /* Read error */ - - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "read", NSH_ERRNO); - } - goto errout_with_wrfd; - } - } - while (nbytesread <= 0); - - do - { - nbyteswritten = write(wrfd, g_iobuffer, nbytesread); - if (nbyteswritten >= 0) - { - nbytesread -= nbyteswritten; - } - else - { - /* EINTR is not an error (but will still stop the copy) */ - -#ifndef CONFIG_DISABLE_SIGNALS - if (errno == EINTR) - { - nsh_output(vtbl, g_fmtsignalrecvd, argv[0]); - } - else -#endif - { - /* Read error */ - - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "write", NSH_ERRNO); - } - goto errout_with_wrfd; - } - } - while (nbytesread > 0); - } - -errout_with_wrfd: - close(wrfd); - -errout_with_allocpath: - if (allocpath) - { - free(allocpath); - } - -errout_with_destpath: - if (destpath && !allocpath) - { - nsh_freefullpath(destpath); - } - -errout_with_rdfd: - close(rdfd); - -errout_with_srcpath: - if (srcpath) - { - nsh_freefullpath(srcpath); - } -errout: - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_losetup - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) -#ifndef CONFIG_NSH_DISABLE_LOSETUP -int cmd_losetup(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - char *loopdev = NULL; - char *filepath = NULL; - bool teardown = false; - bool readonly = false; - off_t offset = 0; - bool badarg = false; - int ret = ERROR; - int option; - - /* Get the losetup options: Two forms are supported: - * - * losetup -d <loop-device> - * losetup [-o <offset>] [-r] <loop-device> <filename> - * - * NOTE that the -o and -r options are accepted with the -d option, but - * will be ignored. - */ - - while ((option = getopt(argc, argv, "d:o:r")) != ERROR) - { - switch (option) - { - case 'd': - loopdev = nsh_getfullpath(vtbl, optarg); - teardown = true; - break; - - case 'o': - offset = atoi(optarg); - break; - - case 'r': - readonly = true; - break; - - case '?': - default: - nsh_output(vtbl, g_fmtarginvalid, argv[0]); - badarg = true; - break; - } - } - - /* If a bad argument was encountered, then return without processing the command */ - - if (badarg) - { - goto errout_with_paths; - } - - /* If this is not a tear down operation, then additional command line - * parameters are required. - */ - - if (!teardown) - { - /* There must be two arguments on the command line after the options */ - - if (optind + 1 < argc) - { - loopdev = nsh_getfullpath(vtbl, argv[optind]); - optind++; - - filepath = nsh_getfullpath(vtbl, argv[optind]); - optind++; - } - else - { - nsh_output(vtbl, g_fmtargrequired, argv[0]); - goto errout_with_paths; - } - } - - /* There should be nothing else on the command line */ - - if (optind < argc) - { - nsh_output(vtbl, g_fmttoomanyargs, argv[0]); - goto errout_with_paths; - } - - /* Perform the teardown operation */ - - if (teardown) - { - /* Tear down the loop device. */ - - ret = loteardown(loopdev); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "loteardown", NSH_ERRNO_OF(-ret)); - goto errout_with_paths; - } - } - else - { - /* Set up the loop device */ - - ret = losetup(loopdev, filepath, 512, offset, readonly); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "losetup", NSH_ERRNO_OF(-ret)); - goto errout_with_paths; - } - } - - /* Free memory */ - -errout_with_paths: - if (loopdev) - { - free(loopdev); - } - - if (filepath) - { - free(filepath); - } - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_ls - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -#ifndef CONFIG_NSH_DISABLE_LS -int cmd_ls(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - const char *relpath; - unsigned int lsflags = 0; - char *fullpath; - bool badarg = false; - int ret; - - /* Get the ls options */ - - int option; - while ((option = getopt(argc, argv, "lRs")) != ERROR) - { - switch (option) - { - case 'l': - lsflags |= (LSFLAGS_SIZE|LSFLAGS_LONG); - break; - - case 'R': - lsflags |= LSFLAGS_RECURSIVE; - break; - - case 's': - lsflags |= LSFLAGS_SIZE; - break; - - case '?': - default: - nsh_output(vtbl, g_fmtarginvalid, argv[0]); - badarg = true; - break; - } - } - - /* If a bad argument was encountered, then return without processing the command */ - - if (badarg) - { - return ERROR; - } - - /* There may be one argument after the options */ - - if (optind + 1 < argc) - { - nsh_output(vtbl, g_fmttoomanyargs, argv[0]); - return ERROR; - } - else if (optind >= argc) - { -#ifndef CONFIG_DISABLE_ENVIRON - relpath = nsh_getcwd(); -#else - nsh_output(vtbl, g_fmtargrequired, argv[0]); - return ERROR; -#endif - } - else - { - relpath = argv[optind]; - } - - /* Get the fullpath to the directory */ - - fullpath = nsh_getfullpath(vtbl, relpath); - if (!fullpath) - { - return ERROR; - } - - /* List the directory contents */ - - nsh_output(vtbl, "%s:\n", fullpath); - ret = foreach_direntry(vtbl, "ls", fullpath, ls_handler, (void*)lsflags); - if (ret == OK && (lsflags & LSFLAGS_RECURSIVE) != 0) - { - /* Then recurse to list each directory within the directory */ - - ret = foreach_direntry(vtbl, "ls", fullpath, ls_recursive, (void*)lsflags); - } - nsh_freefullpath(fullpath); - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_mkdir - ****************************************************************************/ - -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_FS_WRITABLE) -#ifndef CONFIG_NSH_DISABLE_MKDIR -int cmd_mkdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - char *fullpath = nsh_getfullpath(vtbl, argv[1]); - int ret = ERROR; - - if (fullpath) - { - ret = mkdir(fullpath, 0777); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "mkdir", NSH_ERRNO); - } - nsh_freefullpath(fullpath); - } - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_mkfatfs - ****************************************************************************/ - -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_FS_FAT) -#ifndef CONFIG_NSH_DISABLE_MKFATFS -int cmd_mkfatfs(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - struct fat_format_s fmt = FAT_FORMAT_INITIALIZER; - char *fullpath = nsh_getfullpath(vtbl, argv[1]); - int ret = ERROR; - - if (fullpath) - { - ret = mkfatfs(fullpath, &fmt); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "mkfatfs", NSH_ERRNO); - } - nsh_freefullpath(fullpath); - } - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_mkfifo - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -#ifndef CONFIG_NSH_DISABLE_MKFIFO -int cmd_mkfifo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - char *fullpath = nsh_getfullpath(vtbl, argv[1]); - int ret = ERROR; - - if (fullpath) - { - ret = mkfifo(fullpath, 0777); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "mkfifo", NSH_ERRNO); - } - nsh_freefullpath(fullpath); - } - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_mkrd - ****************************************************************************/ - -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_FS_WRITABLE) -#ifndef CONFIG_NSH_DISABLE_MKRD -int cmd_mkrd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - const char *fmt; - uint8_t *buffer; - uint32_t nsectors; - bool badarg = false; - int sectsize = 512; - int minor = 0; - int ret; - - /* Get the mkrd options */ - - int option; - while ((option = getopt(argc, argv, ":m:s:")) != ERROR) - { - switch (option) - { - case 'm': - minor = atoi(optarg); - if (minor < 0 || minor > 255) - { - nsh_output(vtbl, g_fmtargrange, argv[0]); - badarg = true; - } - break; - - case 's': - sectsize = atoi(optarg); - if (minor < 0 || minor > 16384) - { - nsh_output(vtbl, g_fmtargrange, argv[0]); - badarg = true; - } - break; - - case ':': - nsh_output(vtbl, g_fmtargrequired, argv[0]); - badarg = true; - break; - - case '?': - default: - nsh_output(vtbl, g_fmtarginvalid, argv[0]); - badarg = true; - break; - } - } - - /* If a bad argument was encountered, then return without processing the command */ - - if (badarg) - { - return ERROR; - } - - /* There should be exactly on parameter left on the command-line */ - - if (optind == argc-1) - { - nsectors = (uint32_t)atoi(argv[optind]); - } - else if (optind >= argc) - { - fmt = g_fmttoomanyargs; - goto errout_with_fmt; - } - else - { - fmt = g_fmtargrequired; - goto errout_with_fmt; - } - - /* Allocate the memory backing up the ramdisk */ - - buffer = (uint8_t*)malloc(sectsize * nsectors); - if (!buffer) - { - fmt = g_fmtcmdoutofmemory; - goto errout_with_fmt; - } - -#ifdef CONFIG_DEBUG_VERBOSE - memset(buffer, 0, sectsize * nsectors); -#endif - dbg("RAMDISK at %p\n", buffer); - - /* Then register the ramdisk */ - - ret = ramdisk_register(minor, buffer, nsectors, sectsize, true); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "ramdisk_register", NSH_ERRNO_OF(-ret)); - free(buffer); - return ERROR; - } - return ret; - -errout_with_fmt: - nsh_output(vtbl, fmt, argv[0]); - return ERROR; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_mv - ****************************************************************************/ - -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_FS_WRITABLE) -#ifndef CONFIG_NSH_DISABLE_MV -int cmd_mv(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - char *oldpath; - char *newpath; - int ret; - - /* Get the full path to the old and new file paths */ - - oldpath = nsh_getfullpath(vtbl, argv[1]); - if (!oldpath) - { - return ERROR; - } - - newpath = nsh_getfullpath(vtbl, argv[2]); - if (!newpath) - { - nsh_freefullpath(newpath); - return ERROR; - } - - /* Perform the mount */ - - ret = rename(oldpath, newpath); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "rename", NSH_ERRNO); - } - - /* Free the file paths */ - - nsh_freefullpath(oldpath); - nsh_freefullpath(newpath); - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_rm - ****************************************************************************/ - -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_FS_WRITABLE) -#ifndef CONFIG_NSH_DISABLE_RM -int cmd_rm(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - char *fullpath = nsh_getfullpath(vtbl, argv[1]); - int ret = ERROR; - - if (fullpath) - { - ret = unlink(fullpath); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "unlink", NSH_ERRNO); - } - nsh_freefullpath(fullpath); - } - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_rmdir - ****************************************************************************/ - -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_FS_WRITABLE) -#ifndef CONFIG_NSH_DISABLE_RMDIR -int cmd_rmdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - char *fullpath = nsh_getfullpath(vtbl, argv[1]); - int ret = ERROR; - - if (fullpath) - { - ret = rmdir(fullpath); - if (ret < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "rmdir", NSH_ERRNO); - } - nsh_freefullpath(fullpath); - } - return ret; -} -#endif -#endif - -/**************************************************************************** - * Name: cmd_sh - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0 && !defined(CONFIG_NSH_DISABLESCRIPT) -#ifndef CONFIG_NSH_DISABLE_SH -int cmd_sh(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - return nsh_script(vtbl, argv[0], argv[1]); -} -#endif -#endif - - -#if CONFIG_NFILE_DESCRIPTORS > 0 -#ifndef CONFIG_NSH_DISABLE_CMP -int cmd_cmp(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) -{ - char *path1 = NULL; - char *path2 = NULL; - int fd1 = -1, fd2 = -1; - int ret = ERROR; - unsigned total_read = 0; - - /* Get the full path to the two files */ - - path1 = nsh_getfullpath(vtbl, argv[1]); - if (!path1) - { - goto errout; - } - - path2 = nsh_getfullpath(vtbl, argv[2]); - if (!path2) - { - goto errout; - } - - /* Open the files for reading */ - fd1 = open(path1, O_RDONLY); - if (fd1 < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "open", NSH_ERRNO); - goto errout; - } - - fd2 = open(path2, O_RDONLY); - if (fd2 < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "open", NSH_ERRNO); - goto errout; - } - - for (;;) - { - char buf1[128]; - char buf2[128]; - - int nbytesread1 = read(fd1, buf1, sizeof(buf1)); - int nbytesread2 = read(fd2, buf2, sizeof(buf2)); - - if (nbytesread1 < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "read", NSH_ERRNO); - goto errout; - } - - if (nbytesread2 < 0) - { - nsh_output(vtbl, g_fmtcmdfailed, argv[0], "read", NSH_ERRNO); - goto errout; - } - - total_read += nbytesread1>nbytesread2?nbytesread2:nbytesread1; - - if (nbytesread1 != nbytesread2 || memcmp(buf1, buf2, nbytesread1) != 0) - { - nsh_output(vtbl, "files differ: byte %u\n", total_read); - goto errout; - } - - if (nbytesread1 < sizeof(buf1)) break; - } - - ret = OK; - -errout: - if (fd1 != -1) close(fd1); - if (fd2 != -1) close(fd2); - return ret; -} -#endif -#endif |