/**************************************************************************** * apps/nshlib/nsh_mntcmds.c * * Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include #include #include #include "nsh.h" #include "nsh_console.h" /**************************************************************************** * Definitions ****************************************************************************/ /**************************************************************************** * Private Types ****************************************************************************/ /**************************************************************************** * Private Function Prototypes ****************************************************************************/ /**************************************************************************** * Private Data ****************************************************************************/ /**************************************************************************** * Public Data ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Name: df_handler ****************************************************************************/ #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) && \ defined(CONFIG_FS_READABLE) && !defined(CONFIG_NSH_DISABLE_MOUNT) static int df_handler(FAR const char *mountpoint, FAR struct statfs *statbuf, FAR void *arg) { FAR struct nsh_vtbl_s *vtbl = (FAR struct nsh_vtbl_s *)arg; DEBUGASSERT(mountpoint && statbuf && vtbl); nsh_output(vtbl, "%6ld %8ld %8ld %8ld %s\n", statbuf->f_bsize, statbuf->f_blocks, statbuf->f_blocks - statbuf->f_bavail, statbuf->f_bavail, mountpoint); return OK; } #endif /**************************************************************************** * Name: mount_handler ****************************************************************************/ #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) && \ defined(CONFIG_FS_READABLE) && !defined(CONFIG_NSH_DISABLE_MOUNT) static int mount_handler(FAR const char *mountpoint, FAR struct statfs *statbuf, FAR void *arg) { FAR struct nsh_vtbl_s *vtbl = (FAR struct nsh_vtbl_s *)arg; FAR const char *fstype; DEBUGASSERT(mountpoint && statbuf && vtbl); /* Get the file system type */ switch (statbuf->f_type) { #ifdef CONFIG_FS_FAT case MSDOS_SUPER_MAGIC: fstype = "vfat"; break; #endif #ifdef CONFIG_FS_ROMFS case ROMFS_MAGIC: fstype = "romfs"; break; #endif #ifdef CONFIG_APPS_BINDIR case BINFS_MAGIC: fstype = "bindir"; break; #endif #ifdef CONFIG_FS_NXFFS case NXFFS_MAGIC: fstype = "nxffs"; break; #endif #ifdef CONFIG_NFS case NFS_SUPER_MAGIC: fstype = "nfs"; break; #endif default: fstype = "Unrecognized"; break; } nsh_output(vtbl, " %s type %s\n", mountpoint, fstype); return OK; } #endif /**************************************************************************** * Name: mount_show ****************************************************************************/ #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) && \ defined(CONFIG_FS_READABLE) && !defined(CONFIG_NSH_DISABLE_MOUNT) static inline int mount_show(FAR struct nsh_vtbl_s *vtbl, FAR const char *progname) { return foreach_mountpoint(mount_handler, (FAR void *)vtbl); } #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: cmd_df ****************************************************************************/ #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) && \ defined(CONFIG_FS_READABLE) && !defined(CONFIG_NSH_DISABLE_DF) int cmd_df(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) { nsh_output(vtbl, " Block Number\n"); nsh_output(vtbl, " Size Blocks Used Available Mounted on\n"); return foreach_mountpoint(df_handler, (FAR void *)vtbl); } #endif /**************************************************************************** * Name: cmd_mount ****************************************************************************/ #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) && \ defined(CONFIG_FS_READABLE) && !defined(CONFIG_NSH_DISABLE_MOUNT) int cmd_mount(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) { FAR char *source; FAR char *target; FAR char *filesystem = NULL; bool badarg = false; int option; int ret; /* The mount command behaves differently if no parameters are provided */ if (argc < 2) { return mount_show(vtbl, argv[0]); } /* Get the mount options. NOTE: getopt() is not thread safe nor re-entrant. * To keep its state proper for the next usage, it is necessary to parse to * the end of the line even if an error occurs. If an error occurs, this * logic just sets 'badarg' and continues. */ while ((option = getopt(argc, argv, ":t:")) != ERROR) { switch (option) { case 't': filesystem = optarg; 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 are two required arguments after the options: the source and target * paths. */ if (optind + 2 < argc) { nsh_output(vtbl, g_fmttoomanyargs, argv[0]); return ERROR; } else if (optind + 2 > argc) { nsh_output(vtbl, g_fmtargrequired, argv[0]); return ERROR; } /* While the above parsing for the -t argument looks nice, the -t argument * not really optional. */ if (!filesystem) { nsh_output(vtbl, g_fmtargrequired, argv[0]); return ERROR; } /* The source and target paths might be relative to the current * working directory. */ source = nsh_getfullpath(vtbl, argv[optind]); if (!source) { return ERROR; } target = nsh_getfullpath(vtbl, argv[optind+1]); if (!target) { nsh_freefullpath(source); return ERROR; } /* Perform the mount */ ret = mount(source, target, filesystem, 0, NULL); if (ret < 0) { nsh_output(vtbl, g_fmtcmdfailed, argv[0], "mount", NSH_ERRNO); } nsh_freefullpath(source); nsh_freefullpath(target); return ret; } #endif /**************************************************************************** * Name: cmd_nfsmount ****************************************************************************/ #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) && \ defined(CONFIG_NET) && defined(CONFIG_NFS) && !defined(CONFIG_NSH_DISABLE_NFSMOUNT) int cmd_nfsmount(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) { struct nfs_args data; FAR char *address; FAR char *lpath; FAR char *rpath; bool badarg = false; #ifdef CONFIG_NET_IPv6 FAR struct sockaddr_in6 *sin; struct in6_addr inaddr; #else FAR struct sockaddr_in *sin; struct in_addr inaddr; #endif int ret; /* If a bad argument was encountered, then return without processing the * command. */ if (badarg) { return ERROR; } /* The fist argument on the command line should be the NFS server IP address * in standard IPv4 (or IPv6) dot format. */ address = argv[1]; if (!address) { return ERROR; } /* The local mount point path (lpath) might be relative to the current working * directory. */ lpath = nsh_getfullpath(vtbl, argv[2]); if (!lpath) { return ERROR; } /* Get the remote mount point path */ rpath = argv[3]; /* Convert the IP address string into its binary form */ #ifdef CONFIG_NET_IPv6 ret = inet_pton(AF_INET6, address, &inaddr); #else ret = inet_pton(AF_INET, address, &inaddr); #endif if (ret != 1) { nsh_freefullpath(lpath); return ERROR; } /* Place all of the NFS arguements into the nfs_args structure */ memset(&data, 0, sizeof(data)); #ifdef CONFIG_NET_IPv6 sin = (FAR struct sockaddr_in6 *)&data.addr; sin->sin_family = AF_INET6; sin->sin_port = htons(NFS_PMAPPORT); memcpy(&sin->sin6_addr, &inaddr, sizeof(struct in6_addr)); data.addrlen = sizeof(struct sockaddr_in6); #else sin = (FAR struct sockaddr_in *)&data.addr; sin->sin_family = AF_INET; sin->sin_port = htons(NFS_PMAPPORT); sin->sin_addr = inaddr; data.addrlen = sizeof(struct sockaddr_in); #endif data.sotype = SOCK_DGRAM; data.path = rpath; data.flags = 0; /* 0=Use all defaults */ /* Perform the mount */ ret = mount(NULL, lpath, "nfs", 0, (FAR void *)&data); if (ret < 0) { nsh_output(vtbl, g_fmtcmdfailed, argv[0], "mount", NSH_ERRNO); } /* We no longer need the allocated mount point path */ nsh_freefullpath(lpath); return ret; } #endif /**************************************************************************** * Name: cmd_umount ****************************************************************************/ #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) && \ defined(CONFIG_FS_READABLE) && !defined(CONFIG_NSH_DISABLE_UMOUNT) int cmd_umount(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) { char *fullpath = nsh_getfullpath(vtbl, argv[1]); int ret = ERROR; if (fullpath) { /* Perform the umount */ ret = umount(fullpath); if (ret < 0) { nsh_output(vtbl, g_fmtcmdfailed, argv[0], "umount", NSH_ERRNO); } nsh_freefullpath(fullpath); } return ret; } #endif