1 | /** @file
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2 | * VirtualBox File System for Solaris Guests, provider implementation.
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3 | * Portions contributed by: Ronald.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2008-2014 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 | /*
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28 | * Provider interfaces for shared folder file system.
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29 | */
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30 |
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31 | #include <sys/types.h>
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32 | #include <sys/stat.h>
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33 | #include <sys/mntent.h>
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34 | #include <sys/param.h>
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35 | #include <sys/modctl.h>
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36 | #include <sys/mount.h>
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37 | #include <sys/policy.h>
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38 | #include <sys/atomic.h>
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39 | #include <sys/sysmacros.h>
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40 | #include <sys/ddi.h>
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41 | #include <sys/sunddi.h>
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42 | #include <sys/dirent.h>
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43 | #include <sys/file.h>
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44 | #include "vboxfs_prov.h"
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45 | #ifdef u
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46 | #undef u
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47 | #endif
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48 | #include "../../common/VBoxGuestLib/VBoxGuestR0LibSharedFolders.h"
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49 |
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50 | #define SFPROV_VERSION 1
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51 |
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52 | static VBGLSFCLIENT vbox_client;
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53 |
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54 | static int sfprov_vbox2errno(int rc)
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55 | {
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56 | if (rc == VERR_ACCESS_DENIED)
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57 | return (EACCES);
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58 | if (rc == VERR_INVALID_NAME)
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59 | return (ENOENT);
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60 | return (RTErrConvertToErrno(rc));
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61 | }
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62 |
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63 | /*
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64 | * utility to create strings
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65 | */
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66 | static SHFLSTRING *
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67 | sfprov_string(char *path, int *sz)
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68 | {
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69 | SHFLSTRING *str;
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70 | int len = strlen(path);
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71 |
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72 | *sz = len + 1 + sizeof (*str) - sizeof (str->String);
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73 | str = kmem_zalloc(*sz, KM_SLEEP);
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74 | str->u16Size = len + 1;
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75 | str->u16Length = len;
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76 | strcpy(str->String.utf8, path);
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77 | return (str);
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78 | }
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79 |
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80 | sfp_connection_t *
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81 | sfprov_connect(int version)
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82 | {
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83 | /*
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84 | * only one version for now, so must match
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85 | */
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86 | int rc = -1;
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87 | if (version != SFPROV_VERSION)
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88 | {
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89 | cmn_err(CE_WARN, "sfprov_connect: wrong version. version=%d expected=%d\n", version, SFPROV_VERSION);
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90 | return NULL;
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91 | }
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92 | rc = VbglR0SfInit();
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93 | if (RT_SUCCESS(rc))
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94 | {
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95 | rc = VbglR0SfConnect(&vbox_client);
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96 | if (RT_SUCCESS(rc))
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97 | {
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98 | rc = VbglR0SfSetUtf8(&vbox_client);
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99 | if (RT_SUCCESS(rc))
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100 | {
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101 | return ((sfp_connection_t *)&vbox_client);
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102 | }
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103 | else
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104 | cmn_err(CE_WARN, "sfprov_connect: VbglR0SfSetUtf8() failed\n");
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105 |
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106 | VbglR0SfDisconnect(&vbox_client);
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107 | }
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108 | else
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109 | cmn_err(CE_WARN, "sfprov_connect: VbglR0SfConnect() failed rc=%d\n", rc);
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110 | VbglR0SfTerm();
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111 | }
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112 | else
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113 | cmn_err(CE_WARN, "sfprov_connect: VbglR0SfInit() failed rc=%d\n", rc);
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114 | return (NULL);
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115 | }
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116 |
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117 | void
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118 | sfprov_disconnect(sfp_connection_t *conn)
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119 | {
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120 | if (conn != (sfp_connection_t *)&vbox_client)
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121 | cmn_err(CE_WARN, "sfprov_disconnect: bad argument\n");
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122 | VbglR0SfDisconnect(&vbox_client);
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123 | VbglR0SfTerm();
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124 | }
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125 |
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126 |
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127 | int
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128 | sfprov_mount(sfp_connection_t *conn, char *path, sfp_mount_t **mnt)
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129 | {
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130 | sfp_mount_t *m;
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131 | SHFLSTRING *str;
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132 | int size;
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133 | int rc;
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134 |
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135 | m = kmem_zalloc(sizeof (*m), KM_SLEEP);
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136 | str = sfprov_string(path, &size);
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137 | rc = VbglR0SfMapFolder(&vbox_client, str, &m->map);
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138 | if (RT_FAILURE(rc)) {
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139 | cmn_err(CE_WARN, "sfprov_mount: VbglR0SfMapFolder() failed. path=%s rc=%d\n", path, rc);
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140 | kmem_free(m, sizeof (*m));
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141 | *mnt = NULL;
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142 | rc = EINVAL;
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143 | } else {
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144 | *mnt = m;
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145 | rc = 0;
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146 | }
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147 | kmem_free(str, size);
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148 | return (rc);
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149 | }
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150 |
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151 | int
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152 | sfprov_unmount(sfp_mount_t *mnt)
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153 | {
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154 | int rc;
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155 |
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156 | rc = VbglR0SfUnmapFolder(&vbox_client, &mnt->map);
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157 | if (RT_FAILURE(rc)) {
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158 | cmn_err(CE_WARN, "sfprov_mount: VbglR0SfUnmapFolder() failed rc=%d\n", rc);
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159 | rc = EINVAL;
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160 | } else {
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161 | rc = 0;
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162 | }
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163 | kmem_free(mnt, sizeof (*mnt));
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164 | return (rc);
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165 | }
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166 |
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167 | /*
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168 | * query information about a mounted file system
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169 | */
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170 | int
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171 | sfprov_get_fsinfo(sfp_mount_t *mnt, sffs_fsinfo_t *fsinfo)
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172 | {
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173 | int rc;
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174 | SHFLVOLINFO info;
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175 | uint32_t bytes = sizeof(SHFLVOLINFO);
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176 |
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177 | rc = VbglR0SfFsInfo(&vbox_client, &mnt->map, 0, SHFL_INFO_GET | SHFL_INFO_VOLUME,
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178 | &bytes, (SHFLDIRINFO *)&info);
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179 | if (RT_FAILURE(rc))
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180 | return (EINVAL);
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181 |
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182 | fsinfo->blksize = info.ulBytesPerAllocationUnit;
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183 | fsinfo->blksused = (info.ullTotalAllocationBytes - info.ullAvailableAllocationBytes) / info.ulBytesPerAllocationUnit;
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184 | fsinfo->blksavail = info.ullAvailableAllocationBytes / info.ulBytesPerAllocationUnit;
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185 | fsinfo->maxnamesize = info.fsProperties.cbMaxComponent;
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186 | fsinfo->readonly = info.fsProperties.fReadOnly;
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187 | return (0);
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188 | }
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189 |
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190 | /*
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191 | * file/directory information conversions.
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192 | */
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193 | static void
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194 | sfprov_fmode_from_mode(RTFMODE *fMode, mode_t mode)
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195 | {
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196 | RTFMODE m = 0;
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197 |
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198 | #define mode_set(r) ((mode) & (S_##r)) ? RTFS_UNIX_##r : 0
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199 | m = mode_set (ISUID);
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200 | m |= mode_set (ISGID);
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201 | m |= (mode & S_ISVTX) ? RTFS_UNIX_ISTXT : 0;
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202 |
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203 | m |= mode_set (IRUSR);
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204 | m |= mode_set (IWUSR);
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205 | m |= mode_set (IXUSR);
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206 |
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207 | m |= mode_set (IRGRP);
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208 | m |= mode_set (IWGRP);
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209 | m |= mode_set (IXGRP);
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210 |
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211 | m |= mode_set (IROTH);
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212 | m |= mode_set (IWOTH);
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213 | m |= mode_set (IXOTH);
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214 | #undef mode_set
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215 |
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216 | if (S_ISDIR(mode))
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217 | m |= RTFS_TYPE_DIRECTORY;
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218 | else if (S_ISREG(mode))
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219 | m |= RTFS_TYPE_FILE;
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220 | else if (S_ISFIFO(mode))
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221 | m |= RTFS_TYPE_FIFO;
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222 | else if (S_ISCHR(mode))
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223 | m |= RTFS_TYPE_DEV_CHAR;
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224 | else if (S_ISBLK(mode))
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225 | m |= RTFS_TYPE_DEV_BLOCK;
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226 | else if (S_ISLNK(mode))
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227 | m |= RTFS_TYPE_SYMLINK;
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228 | else if (S_ISSOCK(mode))
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229 | m |= RTFS_TYPE_SOCKET;
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230 | else
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231 | m |= RTFS_TYPE_FILE;
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232 |
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233 | *fMode = m;
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234 | }
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235 |
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236 | static void
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237 | sfprov_mode_from_fmode(sfp_mount_t *mnt, mode_t *mode, RTFMODE fMode)
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238 | {
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239 | mode_t m = 0;
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240 |
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241 | #define mode_set_from_rt(r) ((fMode) & (RTFS_UNIX_##r)) ? (S_##r) : 0;
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242 | m = mode_set_from_rt(ISUID);
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243 | m |= mode_set_from_rt(ISGID);
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244 | m |= (fMode & RTFS_UNIX_ISTXT) ? S_ISVTX : 0;
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245 |
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246 | m |= mode_set_from_rt(IRUSR);
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247 | m |= mode_set_from_rt(IWUSR);
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248 | m |= mode_set_from_rt(IXUSR);
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249 |
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250 | m |= mode_set_from_rt(IRGRP);
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251 | m |= mode_set_from_rt(IWGRP);
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252 | m |= mode_set_from_rt(IXGRP);
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253 |
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254 | m |= mode_set_from_rt(IROTH);
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255 | m |= mode_set_from_rt(IWOTH);
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256 | m |= mode_set_from_rt(IXOTH);
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257 | #undef mode_set_from_rt
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258 |
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259 | if (RTFS_IS_DIRECTORY(fMode))
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260 | {
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261 | m = mnt->sf_dmode != ~0U ? (mnt->sf_dmode & PERMMASK) : m;
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262 | m &= ~mnt->sf_dmask;
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263 | m |= S_IFDIR;
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264 | }
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265 | else
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266 | {
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267 | m = mnt->sf_fmode != ~0U ? (mnt->sf_fmode & PERMMASK) : m;
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268 | m &= ~mnt->sf_fmask;
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269 |
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270 | if (RTFS_IS_FILE(fMode))
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271 | m |= S_IFREG;
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272 | else if (RTFS_IS_SYMLINK(fMode))
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273 | m |= S_IFLNK;
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274 | else if (RTFS_IS_FIFO(fMode))
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275 | m |= S_IFIFO;
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276 | else if (RTFS_IS_DEV_CHAR(fMode))
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277 | m |= S_IFCHR;
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278 | else if (RTFS_IS_DEV_BLOCK(fMode))
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279 | m |= S_IFBLK;
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280 | else if (RTFS_IS_SOCKET(fMode))
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281 | m |= S_IFSOCK;
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282 | }
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283 |
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284 | *mode = m;
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285 | }
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286 |
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287 | static void
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288 | sfprov_ftime_from_timespec(timestruc_t *time, RTTIMESPEC *ts)
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289 | {
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290 | uint64_t nanosec = RTTimeSpecGetNano(ts);
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291 | time->tv_sec = nanosec / UINT64_C(1000000000);
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292 | time->tv_nsec = nanosec % UINT64_C(1000000000);
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293 | }
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294 |
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295 | static void
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296 | sfprov_stat_from_info(sfp_mount_t *mnt, sffs_stat_t *stat, SHFLFSOBJINFO *info)
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297 | {
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298 | sfprov_mode_from_fmode(mnt, &stat->sf_mode, info->Attr.fMode);
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299 | stat->sf_size = info->cbObject;
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300 | stat->sf_alloc = info->cbAllocated;
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301 | sfprov_ftime_from_timespec(&stat->sf_atime, &info->AccessTime);
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302 | sfprov_ftime_from_timespec(&stat->sf_mtime, &info->ModificationTime);
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303 | sfprov_ftime_from_timespec(&stat->sf_ctime, &info->ChangeTime);
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304 | }
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305 |
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306 | /*
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307 | * File operations: open/close/read/write/etc.
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308 | *
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309 | * open/create can return any relevant errno, however ENOENT
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310 | * generally means that the host file didn't exist.
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311 | */
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312 | struct sfp_file {
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313 | SHFLHANDLE handle;
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314 | VBGLSFMAP map; /**< need this again for the close operation */
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315 | };
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316 |
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317 | int
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318 | sfprov_create(
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319 | sfp_mount_t *mnt,
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320 | char *path,
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321 | mode_t mode,
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322 | sfp_file_t **fp,
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323 | sffs_stat_t *stat)
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324 | {
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325 |
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326 | int rc;
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327 | SHFLCREATEPARMS parms;
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328 | SHFLSTRING *str;
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329 | int size;
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330 | sfp_file_t *newfp;
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331 |
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332 | str = sfprov_string(path, &size);
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333 | parms.Handle = SHFL_HANDLE_NIL;
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334 | parms.Info.cbObject = 0;
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335 | sfprov_fmode_from_mode(&parms.Info.Attr.fMode, mode);
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336 | parms.CreateFlags = SHFL_CF_ACT_CREATE_IF_NEW |
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337 | SHFL_CF_ACT_REPLACE_IF_EXISTS | SHFL_CF_ACCESS_READWRITE;
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338 | rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
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339 | kmem_free(str, size);
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340 |
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341 | if (RT_FAILURE(rc))
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342 | {
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343 | if (rc != VERR_ACCESS_DENIED && rc != VERR_WRITE_PROTECT)
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344 | cmn_err(CE_WARN, "sfprov_create: VbglR0SfCreate failed! path=%s rc=%d\n", path, rc);
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345 | return (sfprov_vbox2errno(rc));
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346 | }
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347 | if (parms.Handle == SHFL_HANDLE_NIL) {
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348 | if (parms.Result == SHFL_FILE_EXISTS)
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349 | return (EEXIST);
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350 | return (ENOENT);
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351 | }
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352 | newfp = kmem_alloc(sizeof(sfp_file_t), KM_SLEEP);
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353 | newfp->handle = parms.Handle;
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354 | newfp->map = mnt->map;
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355 | *fp = newfp;
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356 | sfprov_stat_from_info(mnt, stat, &parms.Info);
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357 | return (0);
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358 | }
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359 |
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360 | int
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361 | sfprov_diropen(sfp_mount_t *mnt, char *path, sfp_file_t **fp)
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362 | {
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363 | int rc;
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364 | SHFLCREATEPARMS parms;
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365 | SHFLSTRING *str;
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366 | int size;
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367 | sfp_file_t *newfp;
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368 |
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369 | bzero(&parms, sizeof(parms));
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370 | str = sfprov_string(path, &size);
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371 | parms.Handle = SHFL_HANDLE_NIL;
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372 | parms.Info.cbObject = 0;
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373 | parms.CreateFlags = SHFL_CF_DIRECTORY
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374 | | SHFL_CF_ACCESS_READ
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375 | | SHFL_CF_ACT_OPEN_IF_EXISTS
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376 | | SHFL_CF_ACT_FAIL_IF_NEW;
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377 |
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378 | /*
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379 | * Open the host directory.
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380 | */
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381 | rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
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382 |
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383 | /*
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384 | * Our VBoxFS interface here isn't very clear regarding failure and informational status.
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385 | * Check the file-handle as well as the return code to make sure the operation succeeded.
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386 | */
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387 | if (RT_FAILURE(rc)) {
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388 | kmem_free(str, size);
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389 | return (sfprov_vbox2errno(rc));
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390 | }
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391 |
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392 | if (parms.Handle == SHFL_HANDLE_NIL) {
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393 | kmem_free(str, size);
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394 | return (ENOENT);
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395 | }
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396 |
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397 | newfp = kmem_alloc(sizeof(sfp_file_t), KM_SLEEP);
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398 | newfp->handle = parms.Handle;
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399 | newfp->map = mnt->map;
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400 | *fp = newfp;
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401 | return (0);
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402 | }
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403 |
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404 | int
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405 | sfprov_open(sfp_mount_t *mnt, char *path, sfp_file_t **fp, int flag)
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406 | {
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407 | int rc;
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408 | SHFLCREATEPARMS parms;
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409 | SHFLSTRING *str;
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410 | int size;
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411 | sfp_file_t *newfp;
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412 |
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413 | bzero(&parms, sizeof(parms));
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414 | str = sfprov_string(path, &size);
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415 | parms.Handle = SHFL_HANDLE_NIL;
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416 | parms.Info.cbObject = 0;
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417 |
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418 | /*
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419 | * Translate file modes.
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420 | */
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421 | if (flag & FCREAT) {
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422 | parms.CreateFlags |= SHFL_CF_ACT_CREATE_IF_NEW;
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423 | if (!(flag & FTRUNC))
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424 | parms.CreateFlags |= SHFL_CF_ACT_OPEN_IF_EXISTS;
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425 | }
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426 | else
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427 | parms.CreateFlags |= SHFL_CF_ACT_FAIL_IF_NEW;
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428 |
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429 | if (flag & FTRUNC)
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430 | parms.CreateFlags |= SHFL_CF_ACT_OVERWRITE_IF_EXISTS | SHFL_CF_ACCESS_WRITE;
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431 | if (flag & FWRITE)
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432 | parms.CreateFlags |= SHFL_CF_ACCESS_WRITE;
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433 | if (flag & FREAD)
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434 | parms.CreateFlags |= SHFL_CF_ACCESS_READ;
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435 | if (flag & FAPPEND)
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436 | parms.CreateFlags |= SHFL_CF_ACCESS_APPEND;
|
---|
437 |
|
---|
438 | /*
|
---|
439 | * Open/create the host file.
|
---|
440 | */
|
---|
441 | rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
|
---|
442 |
|
---|
443 | /*
|
---|
444 | * Our VBoxFS interface here isn't very clear regarding failure and informational status.
|
---|
445 | * Check the file-handle as well as the return code to make sure the operation succeeded.
|
---|
446 | */
|
---|
447 | if (RT_FAILURE(rc)) {
|
---|
448 | kmem_free(str, size);
|
---|
449 | return (sfprov_vbox2errno(rc));
|
---|
450 | }
|
---|
451 |
|
---|
452 | if (parms.Handle == SHFL_HANDLE_NIL) {
|
---|
453 | kmem_free(str, size);
|
---|
454 | return (ENOENT);
|
---|
455 | }
|
---|
456 |
|
---|
457 | newfp = kmem_alloc(sizeof(sfp_file_t), KM_SLEEP);
|
---|
458 | newfp->handle = parms.Handle;
|
---|
459 | newfp->map = mnt->map;
|
---|
460 | *fp = newfp;
|
---|
461 | return (0);
|
---|
462 | }
|
---|
463 |
|
---|
464 | int
|
---|
465 | sfprov_close(sfp_file_t *fp)
|
---|
466 | {
|
---|
467 | int rc;
|
---|
468 |
|
---|
469 | rc = VbglR0SfClose(&vbox_client, &fp->map, fp->handle);
|
---|
470 | kmem_free(fp, sizeof(sfp_file_t));
|
---|
471 | return (0);
|
---|
472 | }
|
---|
473 |
|
---|
474 | int
|
---|
475 | sfprov_read(sfp_file_t *fp, char *buffer, uint64_t offset, uint32_t *numbytes)
|
---|
476 | {
|
---|
477 | int rc;
|
---|
478 |
|
---|
479 | rc = VbglR0SfRead(&vbox_client, &fp->map, fp->handle, offset,
|
---|
480 | numbytes, (uint8_t *)buffer, 0 /*fLocked*/);
|
---|
481 | if (RT_FAILURE(rc))
|
---|
482 | return (EINVAL);
|
---|
483 | return (0);
|
---|
484 | }
|
---|
485 |
|
---|
486 | int
|
---|
487 | sfprov_write(sfp_file_t *fp, char *buffer, uint64_t offset, uint32_t *numbytes)
|
---|
488 | {
|
---|
489 | int rc;
|
---|
490 |
|
---|
491 | rc = VbglR0SfWrite(&vbox_client, &fp->map, fp->handle, offset,
|
---|
492 | numbytes, (uint8_t *)buffer, 0 /*fLocked*/);
|
---|
493 | if (RT_FAILURE(rc))
|
---|
494 | return (EINVAL);
|
---|
495 | return (0);
|
---|
496 | }
|
---|
497 |
|
---|
498 | int
|
---|
499 | sfprov_fsync(sfp_file_t *fp)
|
---|
500 | {
|
---|
501 | int rc;
|
---|
502 |
|
---|
503 | rc = VbglR0SfFlush(&vbox_client, &fp->map, fp->handle);
|
---|
504 | if (RT_FAILURE(rc))
|
---|
505 | return (EIO);
|
---|
506 | return (0);
|
---|
507 | }
|
---|
508 |
|
---|
509 |
|
---|
510 | static int
|
---|
511 | sfprov_getinfo(sfp_mount_t *mnt, char *path, PSHFLFSOBJINFO info)
|
---|
512 | {
|
---|
513 | int rc;
|
---|
514 | SHFLCREATEPARMS parms;
|
---|
515 | SHFLSTRING *str;
|
---|
516 | int size;
|
---|
517 |
|
---|
518 | str = sfprov_string(path, &size);
|
---|
519 | parms.Handle = 0;
|
---|
520 | parms.Info.cbObject = 0;
|
---|
521 | parms.CreateFlags = SHFL_CF_LOOKUP | SHFL_CF_ACT_FAIL_IF_NEW;
|
---|
522 | rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
|
---|
523 | kmem_free(str, size);
|
---|
524 |
|
---|
525 | if (RT_FAILURE(rc))
|
---|
526 | return (EINVAL);
|
---|
527 | if (parms.Result != SHFL_FILE_EXISTS)
|
---|
528 | return (ENOENT);
|
---|
529 | *info = parms.Info;
|
---|
530 | return (0);
|
---|
531 | }
|
---|
532 |
|
---|
533 | /*
|
---|
534 | * get information about a file (or directory)
|
---|
535 | */
|
---|
536 | int
|
---|
537 | sfprov_get_mode(sfp_mount_t *mnt, char *path, mode_t *mode)
|
---|
538 | {
|
---|
539 | int rc;
|
---|
540 | SHFLFSOBJINFO info;
|
---|
541 |
|
---|
542 | rc = sfprov_getinfo(mnt, path, &info);
|
---|
543 | if (rc)
|
---|
544 | return (rc);
|
---|
545 | sfprov_mode_from_fmode(mnt, mode, info.Attr.fMode);
|
---|
546 | return (0);
|
---|
547 | }
|
---|
548 |
|
---|
549 | int
|
---|
550 | sfprov_get_size(sfp_mount_t *mnt, char *path, uint64_t *size)
|
---|
551 | {
|
---|
552 | int rc;
|
---|
553 | SHFLFSOBJINFO info;
|
---|
554 |
|
---|
555 | rc = sfprov_getinfo(mnt, path, &info);
|
---|
556 | if (rc)
|
---|
557 | return (rc);
|
---|
558 | *size = info.cbObject;
|
---|
559 | return (0);
|
---|
560 | }
|
---|
561 |
|
---|
562 |
|
---|
563 | int
|
---|
564 | sfprov_get_atime(sfp_mount_t *mnt, char *path, timestruc_t *time)
|
---|
565 | {
|
---|
566 | int rc;
|
---|
567 | SHFLFSOBJINFO info;
|
---|
568 |
|
---|
569 | rc = sfprov_getinfo(mnt, path, &info);
|
---|
570 | if (rc)
|
---|
571 | return (rc);
|
---|
572 | sfprov_ftime_from_timespec(time, &info.AccessTime);
|
---|
573 | return (0);
|
---|
574 | }
|
---|
575 |
|
---|
576 | int
|
---|
577 | sfprov_get_mtime(sfp_mount_t *mnt, char *path, timestruc_t *time)
|
---|
578 | {
|
---|
579 | int rc;
|
---|
580 | SHFLFSOBJINFO info;
|
---|
581 |
|
---|
582 | rc = sfprov_getinfo(mnt, path, &info);
|
---|
583 | if (rc)
|
---|
584 | return (rc);
|
---|
585 | sfprov_ftime_from_timespec(time, &info.ModificationTime);
|
---|
586 | return (0);
|
---|
587 | }
|
---|
588 |
|
---|
589 | int
|
---|
590 | sfprov_get_ctime(sfp_mount_t *mnt, char *path, timestruc_t *time)
|
---|
591 | {
|
---|
592 | int rc;
|
---|
593 | SHFLFSOBJINFO info;
|
---|
594 |
|
---|
595 | rc = sfprov_getinfo(mnt, path, &info);
|
---|
596 | if (rc)
|
---|
597 | return (rc);
|
---|
598 | sfprov_ftime_from_timespec(time, &info.ChangeTime);
|
---|
599 | return (0);
|
---|
600 | }
|
---|
601 |
|
---|
602 | int
|
---|
603 | sfprov_get_attr(sfp_mount_t *mnt, char *path, sffs_stat_t *attr)
|
---|
604 | {
|
---|
605 | int rc;
|
---|
606 | SHFLFSOBJINFO info;
|
---|
607 |
|
---|
608 | rc = sfprov_getinfo(mnt, path, &info);
|
---|
609 | if (rc)
|
---|
610 | return (rc);
|
---|
611 | sfprov_stat_from_info(mnt, attr, &info);
|
---|
612 | return (0);
|
---|
613 | }
|
---|
614 |
|
---|
615 | static void
|
---|
616 | sfprov_timespec_from_ftime(RTTIMESPEC *ts, timestruc_t time)
|
---|
617 | {
|
---|
618 | uint64_t nanosec = UINT64_C(1000000000) * time.tv_sec + time.tv_nsec;
|
---|
619 | RTTimeSpecSetNano(ts, nanosec);
|
---|
620 | }
|
---|
621 |
|
---|
622 | int
|
---|
623 | sfprov_set_attr(
|
---|
624 | sfp_mount_t *mnt,
|
---|
625 | char *path,
|
---|
626 | uint_t mask,
|
---|
627 | mode_t mode,
|
---|
628 | timestruc_t atime,
|
---|
629 | timestruc_t mtime,
|
---|
630 | timestruc_t ctime)
|
---|
631 | {
|
---|
632 | int rc, err;
|
---|
633 | SHFLCREATEPARMS parms;
|
---|
634 | SHFLSTRING *str;
|
---|
635 | SHFLFSOBJINFO info;
|
---|
636 | uint32_t bytes;
|
---|
637 | int str_size;
|
---|
638 |
|
---|
639 | str = sfprov_string(path, &str_size);
|
---|
640 | parms.Handle = 0;
|
---|
641 | parms.Info.cbObject = 0;
|
---|
642 | parms.CreateFlags = SHFL_CF_ACT_OPEN_IF_EXISTS
|
---|
643 | | SHFL_CF_ACT_FAIL_IF_NEW
|
---|
644 | | SHFL_CF_ACCESS_ATTR_WRITE;
|
---|
645 |
|
---|
646 | rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
|
---|
647 |
|
---|
648 | if (RT_FAILURE(rc)) {
|
---|
649 | cmn_err(CE_WARN, "sfprov_set_attr: VbglR0SfCreate(%s) failed rc=%d\n",
|
---|
650 | path, rc);
|
---|
651 | err = EINVAL;
|
---|
652 | goto fail2;
|
---|
653 | }
|
---|
654 | if (parms.Result != SHFL_FILE_EXISTS) {
|
---|
655 | err = ENOENT;
|
---|
656 | goto fail1;
|
---|
657 | }
|
---|
658 |
|
---|
659 | RT_ZERO(info);
|
---|
660 | if (mask & AT_MODE)
|
---|
661 | sfprov_fmode_from_mode(&info.Attr.fMode, mode);
|
---|
662 | if (mask & AT_ATIME)
|
---|
663 | sfprov_timespec_from_ftime(&info.AccessTime, atime);
|
---|
664 | if (mask & AT_MTIME)
|
---|
665 | sfprov_timespec_from_ftime(&info.ModificationTime, mtime);
|
---|
666 | if (mask & AT_CTIME)
|
---|
667 | sfprov_timespec_from_ftime(&info.ChangeTime, ctime);
|
---|
668 |
|
---|
669 | bytes = sizeof(info);
|
---|
670 | rc = VbglR0SfFsInfo(&vbox_client, &mnt->map, parms.Handle, SHFL_INFO_SET | SHFL_INFO_FILE,
|
---|
671 | &bytes, (SHFLDIRINFO *)&info);
|
---|
672 | if (RT_FAILURE(rc)) {
|
---|
673 | if (rc != VERR_ACCESS_DENIED && rc != VERR_WRITE_PROTECT)
|
---|
674 | {
|
---|
675 | cmn_err(CE_WARN, "sfprov_set_attr: VbglR0SfFsInfo(%s, FILE) failed rc=%d\n",
|
---|
676 | path, rc);
|
---|
677 | }
|
---|
678 | err = sfprov_vbox2errno(rc);
|
---|
679 | goto fail1;
|
---|
680 | }
|
---|
681 |
|
---|
682 | err = 0;
|
---|
683 |
|
---|
684 | fail1:
|
---|
685 | rc = VbglR0SfClose(&vbox_client, &mnt->map, parms.Handle);
|
---|
686 | if (RT_FAILURE(rc)) {
|
---|
687 | cmn_err(CE_WARN, "sfprov_set_attr: VbglR0SfClose(%s) failed rc=%d\n",
|
---|
688 | path, rc);
|
---|
689 | }
|
---|
690 | fail2:
|
---|
691 | kmem_free(str, str_size);
|
---|
692 | return err;
|
---|
693 | }
|
---|
694 |
|
---|
695 | int
|
---|
696 | sfprov_set_size(sfp_mount_t *mnt, char *path, uint64_t size)
|
---|
697 | {
|
---|
698 | int rc, err;
|
---|
699 | SHFLCREATEPARMS parms;
|
---|
700 | SHFLSTRING *str;
|
---|
701 | SHFLFSOBJINFO info;
|
---|
702 | uint32_t bytes;
|
---|
703 | int str_size;
|
---|
704 |
|
---|
705 | str = sfprov_string(path, &str_size);
|
---|
706 | parms.Handle = 0;
|
---|
707 | parms.Info.cbObject = 0;
|
---|
708 | parms.CreateFlags = SHFL_CF_ACT_OPEN_IF_EXISTS
|
---|
709 | | SHFL_CF_ACT_FAIL_IF_NEW
|
---|
710 | | SHFL_CF_ACCESS_WRITE;
|
---|
711 |
|
---|
712 | rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
|
---|
713 |
|
---|
714 | if (RT_FAILURE(rc)) {
|
---|
715 | cmn_err(CE_WARN, "sfprov_set_size: VbglR0SfCreate(%s) failed rc=%d\n",
|
---|
716 | path, rc);
|
---|
717 | err = EINVAL;
|
---|
718 | goto fail2;
|
---|
719 | }
|
---|
720 | if (parms.Result != SHFL_FILE_EXISTS) {
|
---|
721 | err = ENOENT;
|
---|
722 | goto fail1;
|
---|
723 | }
|
---|
724 |
|
---|
725 | RT_ZERO(info);
|
---|
726 | info.cbObject = size;
|
---|
727 | bytes = sizeof(info);
|
---|
728 | rc = VbglR0SfFsInfo(&vbox_client, &mnt->map, parms.Handle, SHFL_INFO_SET | SHFL_INFO_SIZE,
|
---|
729 | &bytes, (SHFLDIRINFO *)&info);
|
---|
730 | if (RT_FAILURE(rc)) {
|
---|
731 | cmn_err(CE_WARN, "sfprov_set_size: VbglR0SfFsInfo(%s, SIZE) failed rc=%d\n",
|
---|
732 | path, rc);
|
---|
733 | err = sfprov_vbox2errno(rc);
|
---|
734 | goto fail1;
|
---|
735 | }
|
---|
736 |
|
---|
737 | err = 0;
|
---|
738 |
|
---|
739 | fail1:
|
---|
740 | rc = VbglR0SfClose(&vbox_client, &mnt->map, parms.Handle);
|
---|
741 | if (RT_FAILURE(rc)) {
|
---|
742 | cmn_err(CE_WARN, "sfprov_set_size: VbglR0SfClose(%s) failed rc=%d\n",
|
---|
743 | path, rc);
|
---|
744 | }
|
---|
745 | fail2:
|
---|
746 | kmem_free(str, str_size);
|
---|
747 | return err;
|
---|
748 | }
|
---|
749 |
|
---|
750 | /*
|
---|
751 | * Directory operations
|
---|
752 | */
|
---|
753 | int
|
---|
754 | sfprov_mkdir(
|
---|
755 | sfp_mount_t *mnt,
|
---|
756 | char *path,
|
---|
757 | mode_t mode,
|
---|
758 | sfp_file_t **fp,
|
---|
759 | sffs_stat_t *stat)
|
---|
760 | {
|
---|
761 | int rc;
|
---|
762 | SHFLCREATEPARMS parms;
|
---|
763 | SHFLSTRING *str;
|
---|
764 | int size;
|
---|
765 | sfp_file_t *newfp;
|
---|
766 |
|
---|
767 | str = sfprov_string(path, &size);
|
---|
768 | parms.Handle = SHFL_HANDLE_NIL;
|
---|
769 | parms.Info.cbObject = 0;
|
---|
770 | sfprov_fmode_from_mode(&parms.Info.Attr.fMode, mode);
|
---|
771 | parms.CreateFlags = SHFL_CF_DIRECTORY | SHFL_CF_ACT_CREATE_IF_NEW |
|
---|
772 | SHFL_CF_ACT_FAIL_IF_EXISTS | SHFL_CF_ACCESS_READ;
|
---|
773 | rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
|
---|
774 | kmem_free(str, size);
|
---|
775 |
|
---|
776 | if (RT_FAILURE(rc))
|
---|
777 | return (sfprov_vbox2errno(rc));
|
---|
778 | if (parms.Handle == SHFL_HANDLE_NIL) {
|
---|
779 | if (parms.Result == SHFL_FILE_EXISTS)
|
---|
780 | return (EEXIST);
|
---|
781 | return (ENOENT);
|
---|
782 | }
|
---|
783 | newfp = kmem_alloc(sizeof(sfp_file_t), KM_SLEEP);
|
---|
784 | newfp->handle = parms.Handle;
|
---|
785 | newfp->map = mnt->map;
|
---|
786 | *fp = newfp;
|
---|
787 | sfprov_stat_from_info(mnt, stat, &parms.Info);
|
---|
788 | return (0);
|
---|
789 | }
|
---|
790 |
|
---|
791 | int
|
---|
792 | sfprov_set_show_symlinks(void)
|
---|
793 | {
|
---|
794 | int rc;
|
---|
795 |
|
---|
796 | rc = VbglR0SfSetSymlinks(&vbox_client);
|
---|
797 | if (RT_FAILURE(rc))
|
---|
798 | return (sfprov_vbox2errno(rc));
|
---|
799 |
|
---|
800 | return (0);
|
---|
801 | }
|
---|
802 |
|
---|
803 | int
|
---|
804 | sfprov_remove(sfp_mount_t *mnt, char *path, uint_t is_link)
|
---|
805 | {
|
---|
806 | int rc;
|
---|
807 | SHFLSTRING *str;
|
---|
808 | int size;
|
---|
809 |
|
---|
810 | str = sfprov_string(path, &size);
|
---|
811 | rc = VbglR0SfRemove(&vbox_client, &mnt->map, str,
|
---|
812 | SHFL_REMOVE_FILE | (is_link ? SHFL_REMOVE_SYMLINK : 0));
|
---|
813 | kmem_free(str, size);
|
---|
814 | if (RT_FAILURE(rc))
|
---|
815 | return (sfprov_vbox2errno(rc));
|
---|
816 | return (0);
|
---|
817 | }
|
---|
818 |
|
---|
819 | int
|
---|
820 | sfprov_readlink(
|
---|
821 | sfp_mount_t *mnt,
|
---|
822 | char *path,
|
---|
823 | char *target,
|
---|
824 | size_t tgt_size)
|
---|
825 | {
|
---|
826 | int rc;
|
---|
827 | SHFLSTRING *str;
|
---|
828 | int size;
|
---|
829 |
|
---|
830 | str = sfprov_string(path, &size);
|
---|
831 |
|
---|
832 | rc = VbglR0SfReadLink(&vbox_client, &mnt->map, str, (uint32_t) tgt_size,
|
---|
833 | target);
|
---|
834 | if (RT_FAILURE(rc))
|
---|
835 | rc = sfprov_vbox2errno(rc);
|
---|
836 |
|
---|
837 | kmem_free(str, size);
|
---|
838 | return (rc);
|
---|
839 | }
|
---|
840 |
|
---|
841 | int
|
---|
842 | sfprov_symlink(
|
---|
843 | sfp_mount_t *mnt,
|
---|
844 | char *linkname,
|
---|
845 | char *target,
|
---|
846 | sffs_stat_t *stat)
|
---|
847 | {
|
---|
848 | int rc;
|
---|
849 | SHFLSTRING *lnk, *tgt;
|
---|
850 | int lnk_size, tgt_size;
|
---|
851 | SHFLFSOBJINFO info;
|
---|
852 |
|
---|
853 | lnk = sfprov_string(linkname, &lnk_size);
|
---|
854 | tgt = sfprov_string(target, &tgt_size);
|
---|
855 |
|
---|
856 | rc = VbglR0SfSymlink(&vbox_client, &mnt->map, lnk, tgt, &info);
|
---|
857 | if (RT_FAILURE(rc)) {
|
---|
858 | rc = sfprov_vbox2errno(rc);
|
---|
859 | goto done;
|
---|
860 | }
|
---|
861 |
|
---|
862 | if (stat != NULL)
|
---|
863 | sfprov_stat_from_info(mnt, stat, &info);
|
---|
864 |
|
---|
865 | done:
|
---|
866 | kmem_free(lnk, lnk_size);
|
---|
867 | kmem_free(tgt, tgt_size);
|
---|
868 |
|
---|
869 | return (rc);
|
---|
870 | }
|
---|
871 |
|
---|
872 | int
|
---|
873 | sfprov_rmdir(sfp_mount_t *mnt, char *path)
|
---|
874 | {
|
---|
875 | int rc;
|
---|
876 | SHFLSTRING *str;
|
---|
877 | int size;
|
---|
878 |
|
---|
879 | str = sfprov_string(path, &size);
|
---|
880 | rc = VbglR0SfRemove(&vbox_client, &mnt->map, str, SHFL_REMOVE_DIR);
|
---|
881 | kmem_free(str, size);
|
---|
882 | if (RT_FAILURE(rc))
|
---|
883 | return (sfprov_vbox2errno(rc));
|
---|
884 | return (0);
|
---|
885 | }
|
---|
886 |
|
---|
887 | int
|
---|
888 | sfprov_rename(sfp_mount_t *mnt, char *from, char *to, uint_t is_dir)
|
---|
889 | {
|
---|
890 | int rc;
|
---|
891 | SHFLSTRING *old, *new;
|
---|
892 | int old_size, new_size;
|
---|
893 |
|
---|
894 | old = sfprov_string(from, &old_size);
|
---|
895 | new = sfprov_string(to, &new_size);
|
---|
896 | rc = VbglR0SfRename(&vbox_client, &mnt->map, old, new,
|
---|
897 | (is_dir ? SHFL_RENAME_DIR : SHFL_RENAME_FILE) | SHFL_RENAME_REPLACE_IF_EXISTS);
|
---|
898 | kmem_free(old, old_size);
|
---|
899 | kmem_free(new, new_size);
|
---|
900 | if (RT_FAILURE(rc))
|
---|
901 | return (sfprov_vbox2errno(rc));
|
---|
902 | return (0);
|
---|
903 | }
|
---|
904 |
|
---|
905 |
|
---|
906 | /*
|
---|
907 | * Read all filenames in a directory.
|
---|
908 | *
|
---|
909 | * - success - all entries read and returned
|
---|
910 | * - ENOENT - Couldn't open the directory for reading
|
---|
911 | * - EINVAL - Internal error of some kind
|
---|
912 | *
|
---|
913 | * On successful return, *dirents points to a list of sffs_dirents_t;
|
---|
914 | * for each dirent, all fields except the d_ino will be set appropriately.
|
---|
915 | * The caller is responsible for freeing the dirents buffer.
|
---|
916 | */
|
---|
917 | int
|
---|
918 | sfprov_readdir(
|
---|
919 | sfp_mount_t *mnt,
|
---|
920 | char *path,
|
---|
921 | sffs_dirents_t **dirents,
|
---|
922 | int flag)
|
---|
923 | {
|
---|
924 | int error;
|
---|
925 | char *cp;
|
---|
926 | int len;
|
---|
927 | SHFLSTRING *mask_str = NULL; /* must be path with "/*" appended */
|
---|
928 | int mask_size;
|
---|
929 | sfp_file_t *fp;
|
---|
930 | uint32_t infobuff_alloc = 16384;
|
---|
931 | SHFLDIRINFO *infobuff = NULL, *info;
|
---|
932 | uint32_t numbytes;
|
---|
933 | uint32_t nents;
|
---|
934 | uint32_t size;
|
---|
935 | off_t offset;
|
---|
936 | sffs_dirents_t *cur_buf;
|
---|
937 | struct sffs_dirent *dirent;
|
---|
938 | unsigned short reclen;
|
---|
939 | unsigned short entlen;
|
---|
940 |
|
---|
941 | *dirents = NULL;
|
---|
942 |
|
---|
943 | error = sfprov_diropen(mnt, path, &fp);
|
---|
944 | if (error != 0)
|
---|
945 | return (ENOENT);
|
---|
946 |
|
---|
947 | /*
|
---|
948 | * Allocate the first dirents buffers.
|
---|
949 | */
|
---|
950 | *dirents = kmem_alloc(SFFS_DIRENTS_SIZE, KM_SLEEP);
|
---|
951 | if (*dirents == NULL) {
|
---|
952 | error = (ENOSPC);
|
---|
953 | goto done;
|
---|
954 | }
|
---|
955 | cur_buf = *dirents;
|
---|
956 | cur_buf->sf_next = NULL;
|
---|
957 | cur_buf->sf_len = 0;
|
---|
958 |
|
---|
959 | /*
|
---|
960 | * Create mask that VBox expects. This needs to be the directory path,
|
---|
961 | * plus a "*" wildcard to get all files.
|
---|
962 | */
|
---|
963 | len = strlen(path) + 3;
|
---|
964 | cp = kmem_alloc(len, KM_SLEEP);
|
---|
965 | if (cp == NULL) {
|
---|
966 | error = (ENOSPC);
|
---|
967 | goto done;
|
---|
968 | }
|
---|
969 | strcpy(cp, path);
|
---|
970 | strcat(cp, "/*");
|
---|
971 | mask_str = sfprov_string(cp, &mask_size);
|
---|
972 | kmem_free(cp, len);
|
---|
973 |
|
---|
974 | /*
|
---|
975 | * Now loop using VbglR0SfDirInfo
|
---|
976 | */
|
---|
977 | infobuff = kmem_alloc(infobuff_alloc, KM_SLEEP);
|
---|
978 | if (infobuff == NULL) {
|
---|
979 | error = (ENOSPC);
|
---|
980 | goto done;
|
---|
981 | }
|
---|
982 |
|
---|
983 | offset = 0;
|
---|
984 | for (;;) {
|
---|
985 | numbytes = infobuff_alloc;
|
---|
986 | error = VbglR0SfDirInfo(&vbox_client, &fp->map, fp->handle,
|
---|
987 | mask_str, 0, 0, &numbytes, infobuff, &nents);
|
---|
988 | switch (error) {
|
---|
989 |
|
---|
990 | case VINF_SUCCESS:
|
---|
991 | /* fallthrough */
|
---|
992 | case VERR_NO_MORE_FILES:
|
---|
993 | break;
|
---|
994 |
|
---|
995 | case VERR_NO_TRANSLATION:
|
---|
996 | /* XXX ??? */
|
---|
997 | break;
|
---|
998 |
|
---|
999 | default:
|
---|
1000 | error = sfprov_vbox2errno(error);
|
---|
1001 | goto done;
|
---|
1002 | }
|
---|
1003 |
|
---|
1004 | /*
|
---|
1005 | * Create the dirent_t's and save the stats for each name
|
---|
1006 | */
|
---|
1007 | for (info = infobuff; (char *) info < (char *) infobuff + numbytes; nents--) {
|
---|
1008 | /* expand buffers if we need more space */
|
---|
1009 | reclen = DIRENT64_RECLEN(strlen(info->name.String.utf8));
|
---|
1010 | entlen = sizeof(sffs_stat_t) + reclen;
|
---|
1011 | if (SFFS_DIRENTS_OFF + cur_buf->sf_len + entlen > SFFS_DIRENTS_SIZE) {
|
---|
1012 | cur_buf->sf_next = kmem_alloc(SFFS_DIRENTS_SIZE, KM_SLEEP);
|
---|
1013 | if (cur_buf->sf_next == NULL) {
|
---|
1014 | error = ENOSPC;
|
---|
1015 | goto done;
|
---|
1016 | }
|
---|
1017 | cur_buf = cur_buf->sf_next;
|
---|
1018 | cur_buf->sf_next = NULL;
|
---|
1019 | cur_buf->sf_len = 0;
|
---|
1020 | }
|
---|
1021 |
|
---|
1022 | /* create the dirent with the name, offset, and len */
|
---|
1023 | dirent = (struct sffs_dirent *)
|
---|
1024 | (((char *) &cur_buf->sf_entries[0]) + cur_buf->sf_len);
|
---|
1025 | strncpy(&dirent->sf_entry.d_name[0], info->name.String.utf8, DIRENT64_NAMELEN(reclen));
|
---|
1026 | dirent->sf_entry.d_reclen = reclen;
|
---|
1027 | offset += entlen;
|
---|
1028 | dirent->sf_entry.d_off = offset;
|
---|
1029 |
|
---|
1030 | /* save the stats */
|
---|
1031 | sfprov_stat_from_info(mnt, &dirent->sf_stat, &info->Info);
|
---|
1032 |
|
---|
1033 | /* next info */
|
---|
1034 | cur_buf->sf_len += entlen;
|
---|
1035 | size = offsetof (SHFLDIRINFO, name.String) + info->name.u16Size;
|
---|
1036 | info = (SHFLDIRINFO *) ((uintptr_t) info + size);
|
---|
1037 | }
|
---|
1038 | ASSERT(nents == 0);
|
---|
1039 | ASSERT((char *) info == (char *) infobuff + numbytes);
|
---|
1040 |
|
---|
1041 | if (error == VERR_NO_MORE_FILES)
|
---|
1042 | break;
|
---|
1043 | }
|
---|
1044 | error = 0;
|
---|
1045 |
|
---|
1046 | done:
|
---|
1047 | if (error != 0) {
|
---|
1048 | while (*dirents) {
|
---|
1049 | cur_buf = (*dirents)->sf_next;
|
---|
1050 | kmem_free(*dirents, SFFS_DIRENTS_SIZE);
|
---|
1051 | *dirents = cur_buf;
|
---|
1052 | }
|
---|
1053 | }
|
---|
1054 | if (infobuff != NULL)
|
---|
1055 | kmem_free(infobuff, infobuff_alloc);
|
---|
1056 | if (mask_str != NULL)
|
---|
1057 | kmem_free(mask_str, mask_size);
|
---|
1058 | sfprov_close(fp);
|
---|
1059 | return (error);
|
---|
1060 | }
|
---|