src/server/daemon/vfs.c

Sun, 08 Sep 2013 23:27:07 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 08 Sep 2013 23:27:07 +0200
changeset 91
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parent 87
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child 92
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permissions
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ucx update

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31 #include <unistd.h>
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32 #include <sys/types.h>
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33
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34 #include "../util/pool.h"
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35 #include "../ucx/map.h"
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36 #include "acl.h"
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37 #include "vfs.h"
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38
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39 static UcxMap *vfs_map;
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40
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41 static VFS_IO sys_file_io = {
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42 sys_file_read,
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43 sys_file_write,
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44 sys_file_seek,
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45 sys_file_close
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46 };
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47
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48 static VFS_DIRIO sys_dir_io = {
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49 sys_dir_read,
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50 sys_dir_close
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51 };
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52
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53 int vfs_init() {
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54 vfs_map = ucx_map_new(16);
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55 if(!vfs_map) {
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56 return -1;
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57 }
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58 return 0;
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59 }
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60
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61 void vfs_add(char *name, VFS *vfs) {
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62 WS_ASSERT(name);
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63
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64 if(!vfs_map) {
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65 vfs_init();
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66 }
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67 ucx_map_cstr_put(vfs_map, name, vfs);
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68 }
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69
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70 VFSContext* vfs_request_context(Session *sn, Request *rq) {
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71 WS_ASSERT(sn);
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72 WS_ASSERT(rq);
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73
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74 VFSContext *ctx = pool_malloc(sn->pool, sizeof(VFSContext));
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75 ctx->sn = sn;
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76 ctx->rq = rq;
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77 ctx->vfs = rq->vfs;
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78 ctx->user = acllist_getuser(sn, rq, rq->acllist);
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79 ctx->acllist = rq->acllist;
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80 ctx->aclreqaccess = rq->aclreqaccess;
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81 ctx->pool = sn->pool;
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82 ctx->vfs_errno = 0;
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83 return ctx;
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84 }
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85
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86 SYS_FILE vfs_open(VFSContext *ctx, char *path, int oflags) {
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87 WS_ASSERT(path);
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88
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89 Session *sn;
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90 Request *rq;
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91 pool_handle_t *pool;
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92 uint32_t access_mask;
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93
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94 if(ctx) {
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95 access_mask = ctx->aclreqaccess;
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96 access_mask |= acl_oflag2mask(oflags);
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97 if(!ctx->pool) {
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98 // TODO: log warning
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99 // broken VFSContext
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100 }
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101 if(ctx->vfs) {
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102 // ctx->aclreqaccess should be the complete access mask
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103 uint32_t m = ctx->aclreqaccess; // save original access mask
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104 ctx->aclreqaccess = access_mask; // set mask for vfs->open call
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105 SYS_FILE file = ctx->vfs->open(ctx, path, oflags);
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106 ctx->aclreqaccess = m; // restore original access mask
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107 return file;
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108 } else {
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109 pool = ctx->pool;
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110 }
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111 } else {
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112 sn = NULL;
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113 rq = NULL;
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114 pool = NULL;
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115 access_mask = acl_oflag2mask(oflags);
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116 }
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117
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118 // check ACLs
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119 SysACL sysacl;
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120 if(sys_acl_check(ctx, access_mask, &sysacl)) {
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121 return NULL;
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122 }
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123
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124 if(sysacl.acl) {
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125 if(!fs_acl_check(&sysacl, ctx->user, path, access_mask)) {
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126 acl_set_error_status(ctx->sn, ctx->rq, sysacl.acl, ctx->user);
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127 return NULL;
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128 }
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129 }
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130
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131 // open file
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132 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
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133 int fd = open(path, oflags, mode);
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134 if(fd == -1) {
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135 if(ctx) {
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136 ctx->vfs_errno = errno;
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137 sys_set_error_status(ctx);
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138 }
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139 return NULL;
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140 }
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141
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142 // if a file system acl is active, we set the owner for newly created files
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143 if(((oflags & O_CREAT) == O_CREAT) && sysacl.user_uid != -1) {
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144 if(fchown(fd, sysacl.user_uid, sysacl.user_gid)) {
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145 perror("vfs_open: fchown");
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146 close(fd);
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147 return NULL;
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148 }
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149 }
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150
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151
54
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152 VFSFile *file = pool ?
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153 pool_malloc(pool, sizeof(VFSFile)) : malloc(sizeof(VFSFile));
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154 if(!file) {
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155 close(fd);
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156 return NULL;
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157 }
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158 file->ctx = ctx;
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159 file->data = NULL;
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160 file->fd = fd;
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161 file->io = &sys_file_io;
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162 return file;
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163 }
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164
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165 SYS_FILE vfs_openRO(VFSContext *ctx, char *path) {
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166 return vfs_open(ctx, path, O_RDONLY);
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167 }
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168
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169 SYS_FILE vfs_openWO(VFSContext *ctx, char *path) {
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170 return vfs_open(ctx, path, O_WRONLY | O_CREAT);
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171 }
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172
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173 SYS_FILE vfs_openRW(VFSContext *ctx, char *path) {
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174 return vfs_open(ctx, path, O_RDONLY | O_WRONLY | O_CREAT);
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175 }
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176
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177 int vfs_stat(VFSContext *ctx, char *path, struct stat *buf) {
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178 Session *sn;
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179 Request *rq;
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180 uint32_t access_mask;
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181
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182 if(ctx) {
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183 access_mask = ctx->aclreqaccess;
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184 access_mask |= ACL_READ_ATTRIBUTES;
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185 if(!ctx->pool) {
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186 // TODO: log warning
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187 // broken VFSContext
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188 }
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189 if(ctx->vfs) {
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190 // ctx->aclreqaccess should be the complete access mask
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191 uint32_t m = ctx->aclreqaccess; // save original access mask
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192 ctx->aclreqaccess = access_mask; // set mask for vfs->fstat call
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193 int ret = ctx->vfs->stat(ctx, path, buf);
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194 ctx->aclreqaccess = m; // restore original access mask
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195 return ret;
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196 }
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197 } else {
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198 sn = NULL;
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199 rq = NULL;
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200 access_mask = ACL_READ_ATTRIBUTES;
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201 }
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202
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203 // check ACLs
63
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204 SysACL sysacl;
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205 if(sys_acl_check(ctx, access_mask, &sysacl)) {
57
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206 return -1;
54
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207 }
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208
63
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diff changeset
209 if(sysacl.acl) {
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210 if(!fs_acl_check(&sysacl, ctx->user, path, access_mask)) {
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211 acl_set_error_status(ctx->sn, ctx->rq, sysacl.acl, ctx->user);
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212 return -1;
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213 }
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214 }
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215
54
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216 // stat
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217 if(stat(path, buf)) {
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218 if(ctx) {
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219 ctx->vfs_errno = errno;
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220 sys_set_error_status(ctx);
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221 }
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222 return -1;
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223 }
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224
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225 return 0;
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226 }
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227
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228 int vfs_fstat(VFSContext *ctx, SYS_FILE fd, struct stat *buf) {
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229 if(ctx) {
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230 if(!ctx->pool) {
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231 // TODO: log warning
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232 // broken VFSContext
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233 }
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234 if(ctx->vfs) {
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235 return ctx->vfs->fstat(ctx, fd, buf);
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236 }
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237 }
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238
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239 // stat
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240 if(fstat(fd->fd, buf)) {
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241 if(ctx) {
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242 ctx->vfs_errno = errno;
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243 }
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244 return -1;
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parents:
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245 }
3a1d5a52adfc new vfs api
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parents:
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246
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247 return 0;
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248 }
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parents:
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249
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250 void vfs_close(SYS_FILE fd) {
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251 fd->io->close(fd);
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diff changeset
252 if(fd->ctx) {
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253 pool_free(fd->ctx->pool, fd);
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254 } else {
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diff changeset
255 free(fd);
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parents:
diff changeset
256 }
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parents:
diff changeset
257 }
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parents:
diff changeset
258
55
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diff changeset
259 VFS_DIR vfs_opendir(VFSContext *ctx, char *path) {
87
bdec069d2239 fixed pathcheck behavior
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diff changeset
260 WS_ASSERT(path);
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diff changeset
261
55
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diff changeset
262 Session *sn;
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diff changeset
263 Request *rq;
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diff changeset
264 pool_handle_t *pool;
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diff changeset
265 uint32_t access_mask;
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diff changeset
266
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diff changeset
267 if(ctx) {
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268 access_mask = ctx->aclreqaccess;
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diff changeset
269 access_mask |= ACL_LIST;
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diff changeset
270 if(!ctx->pool) {
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diff changeset
271 // TODO: log warning
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diff changeset
272 // broken VFSContext
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diff changeset
273 }
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diff changeset
274 if(ctx->vfs) {
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diff changeset
275 // ctx->aclreqaccess should be the complete access mask
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diff changeset
276 uint32_t m = ctx->aclreqaccess; // save original access mask
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diff changeset
277 ctx->aclreqaccess = access_mask; // set mask for vfs->opendir call
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diff changeset
278 VFS_DIR dir = ctx->vfs->opendir(ctx, path);
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diff changeset
279 ctx->aclreqaccess = m; // restore original access mask
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280 return dir;
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diff changeset
281 } else {
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diff changeset
282 pool = ctx->pool;
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diff changeset
283 }
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diff changeset
284 } else {
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diff changeset
285 sn = NULL;
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diff changeset
286 rq = NULL;
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287 pool = NULL;
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diff changeset
288 access_mask = ACL_LIST;
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289 }
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290
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diff changeset
291 // check ACLs
63
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diff changeset
292 SysACL sysacl;
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diff changeset
293 if(sys_acl_check(ctx, access_mask, &sysacl)) {
55
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294 return NULL;
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diff changeset
295 }
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diff changeset
296
63
66442f81f823 supports file system ACLs on Solaris
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diff changeset
297 if(sysacl.acl) {
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diff changeset
298 if(!fs_acl_check(&sysacl, ctx->user, path, access_mask)) {
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diff changeset
299 acl_set_error_status(ctx->sn, ctx->rq, sysacl.acl, ctx->user);
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diff changeset
300 return NULL;
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diff changeset
301 }
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diff changeset
302 }
66442f81f823 supports file system ACLs on Solaris
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parents: 59
diff changeset
303
72
9b888965f3ee some fixes
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diff changeset
304 // open directory
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305 #ifdef BSD
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306 DIR *sys_dir = opendir(path);
72
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307 if(sys_dir) {
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308 int dir_fd = dirfd(sys_dir);
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309 }
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310 #else
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311 int dir_fd = open(path, O_RDONLY);
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312 if(dir_fd == -1) {
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313 if(ctx) {
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314 ctx->vfs_errno = errno;
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315 sys_set_error_status(ctx);
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316 }
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317 return NULL;
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318 }
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319 DIR *sys_dir = fdopendir(dir_fd);
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320 #endif
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321 if(!sys_dir) {
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322 if(ctx) {
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323 ctx->vfs_errno = errno;
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324 sys_set_error_status(ctx);
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325 }
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326 return NULL;
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327 }
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328
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329 VFSDir *dir = pool ?
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330 pool_malloc(pool, sizeof(VFSDir)) : malloc(sizeof(VFSDir));
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331 if(!dir) {
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332 closedir(sys_dir);
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333 return NULL;
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334 }
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335 dir->ctx = ctx;
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336 dir->data = sys_dir;
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337 dir->fd = dir_fd;
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338 dir->io = &sys_dir_io;
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339 return dir;
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340 }
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341
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342 int vfs_readdir(VFS_DIR dir, VFS_ENTRY *entry) {
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343 return dir->io->readdir(dir, entry, 0);
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344 }
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345
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346 int vfs_readdir_stat(VFS_DIR dir, VFS_ENTRY *entry) {
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347 return dir->io->readdir(dir, entry, 1);
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348 }
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349
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350 void vfs_closedir(VFS_DIR dir) {
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351 dir->io->close(dir);
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352 if(dir->ctx) {
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353 pool_free(dir->ctx->pool, dir);
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354 } else {
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355 free(dir);
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356 }
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357 }
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358
56
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359 int vfs_mkdir(VFSContext *ctx, char *path) {
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360 if(ctx && ctx->vfs) {
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361 return vfs_path_op(ctx, path, ctx->vfs->mkdir, ACL_ADD_FILE);
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362 } else {
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363 return sys_path_op(ctx, path, sys_mkdir, ACL_ADD_FILE);
56
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364 }
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365 }
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366
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367 int vfs_unlink(VFSContext *ctx, char *path) {
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368 if(ctx && ctx->vfs) {
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369 return vfs_path_op(ctx, path, ctx->vfs->unlink, ACL_DELETE);
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370 } else {
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371 return sys_path_op(ctx, path, sys_unlink, ACL_DELETE);
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372 }
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373 }
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diff changeset
374
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375
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376 // private
56
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377 int vfs_path_op(VFSContext *ctx, char *path, vfs_op_f op, uint32_t access) {
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378 Session *sn;
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379 Request *rq;
63
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380
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381 uint32_t access_mask = ctx->aclreqaccess;
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382 access_mask |= access;
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383 if(!ctx->pool) {
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diff changeset
384 // TODO: log warning
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385 // broken VFSContext
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386 return -1;
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387 }
56
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diff changeset
388
63
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389 // ctx->aclreqaccess should be the complete access mask
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390 uint32_t m = ctx->aclreqaccess; // save original access mask
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391 ctx->aclreqaccess = access_mask; // set mask for vfs function call
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392 int ret = op(ctx, path);
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393 ctx->aclreqaccess = m; // restore original access mask
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394 return ret;
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395 }
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diff changeset
396
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diff changeset
397 int sys_path_op(VFSContext *ctx, char *path, sys_op_f op, uint32_t access) {
56
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diff changeset
398 if(ctx) {
63
66442f81f823 supports file system ACLs on Solaris
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diff changeset
399 access |= ctx->aclreqaccess;
56
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400 }
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diff changeset
401
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diff changeset
402 // check ACLs
63
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403 SysACL sysacl;
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diff changeset
404 if(sys_acl_check(ctx, access, &sysacl)) {
57
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diff changeset
405 return -1;
56
c6cf20b09043 added vfs_mkdir and vfs_unlink
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diff changeset
406 }
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diff changeset
407
63
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diff changeset
408 if(sysacl.acl) {
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diff changeset
409 if(!fs_acl_check(&sysacl, ctx->user, path, access)) {
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diff changeset
410 acl_set_error_status(ctx->sn, ctx->rq, sysacl.acl, ctx->user);
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diff changeset
411 return -1;
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diff changeset
412 }
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diff changeset
413 }
66442f81f823 supports file system ACLs on Solaris
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diff changeset
414
56
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diff changeset
415 // do path operation
63
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diff changeset
416 if(op(ctx, path, &sysacl)) {
56
c6cf20b09043 added vfs_mkdir and vfs_unlink
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diff changeset
417 // error
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diff changeset
418 if(ctx) {
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diff changeset
419 ctx->vfs_errno = errno;
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diff changeset
420 sys_set_error_status(ctx);
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diff changeset
421 }
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diff changeset
422 return -1;
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diff changeset
423 }
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diff changeset
424
c6cf20b09043 added vfs_mkdir and vfs_unlink
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diff changeset
425 return 0;
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diff changeset
426 }
54
3a1d5a52adfc new vfs api
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parents:
diff changeset
427
63
66442f81f823 supports file system ACLs on Solaris
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diff changeset
428 int sys_acl_check(VFSContext *ctx, uint32_t access_mask, SysACL *sysacl) {
67
50505dc3f8a6 dynamic thread pool
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diff changeset
429 if(sysacl) {
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diff changeset
430 sysacl->acl = NULL;
50505dc3f8a6 dynamic thread pool
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diff changeset
431 }
54
3a1d5a52adfc new vfs api
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parents:
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432 if(!ctx) {
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parents:
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433 return 0;
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parents:
diff changeset
434 }
3a1d5a52adfc new vfs api
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parents:
diff changeset
435
3a1d5a52adfc new vfs api
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parents:
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436 ACLListHandle *acllist = ctx->acllist;
3a1d5a52adfc new vfs api
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parents:
diff changeset
437 if(acllist) {
63
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diff changeset
438 ACLList *acl = acl_evallist(
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diff changeset
439 acllist,
66442f81f823 supports file system ACLs on Solaris
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diff changeset
440 ctx->user,
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diff changeset
441 access_mask,
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diff changeset
442 &sysacl->acl);
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diff changeset
443
66442f81f823 supports file system ACLs on Solaris
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diff changeset
444 if(acl) {
66442f81f823 supports file system ACLs on Solaris
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diff changeset
445 acl_set_error_status(ctx->sn, ctx->rq, acl, ctx->user);
66442f81f823 supports file system ACLs on Solaris
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diff changeset
446 return 1;
54
3a1d5a52adfc new vfs api
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parents:
diff changeset
447 }
3a1d5a52adfc new vfs api
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parents:
diff changeset
448 }
3a1d5a52adfc new vfs api
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parents:
diff changeset
449
3a1d5a52adfc new vfs api
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parents:
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450 return 0;
3a1d5a52adfc new vfs api
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parents:
diff changeset
451 }
3a1d5a52adfc new vfs api
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parents:
diff changeset
452
3a1d5a52adfc new vfs api
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parents:
diff changeset
453 void sys_set_error_status(VFSContext *ctx) {
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
454 if(ctx->sn && ctx->rq) {
56
c6cf20b09043 added vfs_mkdir and vfs_unlink
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 55
diff changeset
455 int status = util_errno2status(ctx->vfs_errno);
54
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
456 protocol_status(ctx->sn, ctx->rq, status, NULL);
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
457 }
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
458 }
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
459
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
460 ssize_t sys_file_read(SYS_FILE fd, void *buf, size_t nbyte) {
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
461 return read(fd->fd, buf, nbyte);
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
462 }
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
463
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
464 ssize_t sys_file_write(SYS_FILE fd, const void *buf, size_t nbyte) {
3a1d5a52adfc new vfs api
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parents:
diff changeset
465 return write(fd->fd, buf, nbyte);
3a1d5a52adfc new vfs api
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parents:
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466 }
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
467
66
74babc0082b7 added authentication cache
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diff changeset
468 off_t sys_file_seek(SYS_FILE fd, off_t offset, int whence) {
74babc0082b7 added authentication cache
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 63
diff changeset
469 return lseek(fd->fd, offset, whence);
74babc0082b7 added authentication cache
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diff changeset
470 }
74babc0082b7 added authentication cache
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 63
diff changeset
471
54
3a1d5a52adfc new vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
472 void sys_file_close(SYS_FILE fd) {
3a1d5a52adfc new vfs api
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parents:
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473 close(fd->fd);
3a1d5a52adfc new vfs api
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parents:
diff changeset
474 }
55
b7908bf38f9f vfs can read directories
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parents: 54
diff changeset
475
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
476 int sys_dir_read(VFS_DIR dir, VFS_ENTRY *entry, int getstat) {
b7908bf38f9f vfs can read directories
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parents: 54
diff changeset
477 struct dirent *e = readdir(dir->data);
b7908bf38f9f vfs can read directories
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parents: 54
diff changeset
478 if(e) {
58
66c22e54aa90 webdav uses the vfs api
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parents: 57
diff changeset
479 char *name = e->d_name;
66c22e54aa90 webdav uses the vfs api
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diff changeset
480 if(!strcmp(name, ".") || !strcmp(name, "..")) {
66c22e54aa90 webdav uses the vfs api
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parents: 57
diff changeset
481 return sys_dir_read(dir, entry, getstat);
66c22e54aa90 webdav uses the vfs api
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parents: 57
diff changeset
482 } else {
66c22e54aa90 webdav uses the vfs api
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parents: 57
diff changeset
483 entry->name = name;
69
4a10bc0ee80d compiles on os x
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parents: 67
diff changeset
484 #ifndef OSX
4a10bc0ee80d compiles on os x
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parents: 67
diff changeset
485 /* TODO:
4a10bc0ee80d compiles on os x
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parents: 67
diff changeset
486 * implement alternative for fstat for OS X and other crappy
4a10bc0ee80d compiles on os x
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diff changeset
487 * Unices
4a10bc0ee80d compiles on os x
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 67
diff changeset
488 */
58
66c22e54aa90 webdav uses the vfs api
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parents: 57
diff changeset
489 if(getstat) {
66c22e54aa90 webdav uses the vfs api
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parents: 57
diff changeset
490 // TODO: check ACLs again for new path
66c22e54aa90 webdav uses the vfs api
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parents: 57
diff changeset
491 if(fstatat(dir->fd, e->d_name, &entry->stat, 0)) {
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
492 entry->stat_errno = errno;
66c22e54aa90 webdav uses the vfs api
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diff changeset
493 }
66c22e54aa90 webdav uses the vfs api
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parents: 57
diff changeset
494 entry->stat_extra = NULL;
55
b7908bf38f9f vfs can read directories
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parents: 54
diff changeset
495 }
69
4a10bc0ee80d compiles on os x
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 67
diff changeset
496 #endif
58
66c22e54aa90 webdav uses the vfs api
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diff changeset
497 return 1;
55
b7908bf38f9f vfs can read directories
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parents: 54
diff changeset
498 }
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
499 } else {
b7908bf38f9f vfs can read directories
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parents: 54
diff changeset
500 return 0;
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
501 }
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
502 }
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
503
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
504 void sys_dir_close(VFS_DIR dir) {
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
505 closedir(dir->data);
b7908bf38f9f vfs can read directories
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 54
diff changeset
506 }
56
c6cf20b09043 added vfs_mkdir and vfs_unlink
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 55
diff changeset
507
63
66442f81f823 supports file system ACLs on Solaris
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parents: 59
diff changeset
508 int sys_mkdir(VFSContext *ctx, char *path, SysACL *sysacl) {
56
c6cf20b09043 added vfs_mkdir and vfs_unlink
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 55
diff changeset
509 mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
63
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
510 int ret = mkdir(path, mode);
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
511 if(ret == 0) {
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
512 if(sysacl->user_uid != -1) {
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
513 if(chown(path, sysacl->user_uid, sysacl->user_gid)) {
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
514 // TODO: error
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
515 }
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
516 }
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
517 }
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
518 return ret;
56
c6cf20b09043 added vfs_mkdir and vfs_unlink
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 55
diff changeset
519 }
c6cf20b09043 added vfs_mkdir and vfs_unlink
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 55
diff changeset
520
63
66442f81f823 supports file system ACLs on Solaris
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 59
diff changeset
521 int sys_unlink(VFSContext *ctx, char *path, SysACL *sysacl) {
56
c6cf20b09043 added vfs_mkdir and vfs_unlink
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 55
diff changeset
522 return unlink(path);
c6cf20b09043 added vfs_mkdir and vfs_unlink
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 55
diff changeset
523 }
58
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
524
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
525 /* public file api */
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
526
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
527 NSAPI_PUBLIC int system_fread(SYS_FILE fd, void *buf, int nbyte) {
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
528 return fd->io->read(fd, buf, nbyte);
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
529 }
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
530
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
531 NSAPI_PUBLIC int system_fwrite(SYS_FILE fd, const void *buf, int nbyte) {
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
532 return fd->io->write(fd, buf, nbyte);
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
533 }
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
534
66
74babc0082b7 added authentication cache
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 63
diff changeset
535 NSAPI_PUBLIC off_t system_lseek(SYS_FILE fd, off_t offset, int whence) {
74babc0082b7 added authentication cache
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 63
diff changeset
536 return fd->io->seek(fd, offset, whence);
74babc0082b7 added authentication cache
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 63
diff changeset
537 }
74babc0082b7 added authentication cache
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 63
diff changeset
538
58
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
539 NSAPI_PUBLIC int system_fclose(SYS_FILE fd) {
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
540 vfs_close(fd);
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
541 return 0;
66c22e54aa90 webdav uses the vfs api
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 57
diff changeset
542 }

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