1 | /* This file contains helper functions for OS/2 - don't try and compile on other platforms */
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2 |
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3 | #ifdef __OS2__
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4 |
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5 | #define INCL_LONGLONG
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6 | #define INCL_DOS
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7 | #define INCL_DOSERRORS
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8 | //_SMB_H
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9 | #include <os2.h>
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10 | #include <stdio.h>
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11 | #include <stdlib.h>
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12 | #include <errno.h>
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13 | #include <types.h>
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14 | #ifndef TESTING
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15 | #define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
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16 | #include "local.h"
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17 | #include "xfile.h"
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18 | #include "pstring.h"
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19 | #include "debug.h"
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20 | #else
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21 | #define DEBUG(a,b) (0)
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22 | #endif
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23 |
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24 | #include <string.h>
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25 |
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26 | #ifndef ENOATTR
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27 | #define ENOATTR 22
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28 | #endif
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29 |
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30 | int os2_ftruncate(int fd, off_t size)
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31 | {
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32 | // We call there __libc_Back_ioFileSizeSet directly instead of
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33 | // ftruncate to force it not to zero expanding files to optimize
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34 | // samba performance when copying files
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35 | int rc = __libc_Back_ioFileSizeSet(fd, size, 0);
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36 | if (rc < 0)
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37 | {
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38 | errno = -rc;
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39 | return -1;
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40 | }
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41 | return 0;
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42 | }
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43 |
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44 | void maperrno(int rc)
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45 | {
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46 | switch (rc)
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47 | {
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48 | case ERROR_PATH_NOT_FOUND :
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49 | case ERROR_FILE_NOT_FOUND : errno = ENOENT; break;
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50 | case ERROR_INVALID_HANDLE : errno = EBADF; break;
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51 | case ERROR_ACCESS_DENIED : errno = EACCES; break;
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52 | case ERROR_BUFFER_OVERFLOW :
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53 | case ERROR_NOT_ENOUGH_MEMORY : errno = ERANGE; break;
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54 | case ERROR_INVALID_EA_NAME : errno = ENOATTR; break;
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55 | case ERROR_INVALID_LEVEL :
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56 | case ERROR_INVALID_PARAMETER : errno = EINVAL; break;
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57 | case ERROR_SHARING_VIOLATION : errno = EACCES; break;
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58 | default : errno = EINVAL;
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59 | }
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60 | }
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61 |
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62 | ssize_t unigetxattr (const char *path, int file, const char *name, void *value, size_t size)
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63 | {
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64 | int rc, namelen;
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65 | EAOP2 eaop2 = {0};
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66 | PGEA2LIST pgea2list = NULL;
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67 | PFEA2LIST pfea2list = NULL;
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68 | char * p;
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69 |
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70 | if ((!path && !file) || !name)
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71 | {
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72 | errno = EINVAL;
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73 | return -1;
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74 | }
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75 | namelen = strlen(name);
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76 | if (namelen > 0xFF)
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77 | {
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78 | errno = EINVAL;
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79 | return -1;
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80 | }
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81 | pgea2list = (PGEA2LIST)calloc(sizeof(GEA2LIST) + namelen + 1, 1);
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82 | pgea2list->list[0].oNextEntryOffset = 0;
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83 | pgea2list->list[0].cbName = namelen;
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84 | strcpy(pgea2list->list[0].szName, name);
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85 | pgea2list->cbList = sizeof(GEA2LIST) + namelen;
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86 |
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87 | // max ea is 64kb
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88 | pfea2list = (PFEA2LIST)calloc(sizeof(FEA2LIST) + 0x10000, 1);
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89 | pfea2list->cbList = sizeof(FEA2LIST) + 0x10000;
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90 |
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91 | eaop2.fpGEA2List = pgea2list;
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92 | eaop2.fpFEA2List = pfea2list;
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93 | eaop2.oError = 0;
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94 | do
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95 | {
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96 | if (path)
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97 | {
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98 | char npath[CCHMAXPATH + 1] = {0};
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99 | strncpy(npath, path, CCHMAXPATH);
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100 | for (p = npath; *p; p++)
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101 | {
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102 | if (*p == '/') *p = '\\';
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103 | }
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104 | rc = DosQueryPathInfo(npath, FIL_QUERYEASFROMLIST, &eaop2, sizeof(eaop2));
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105 | }
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106 | else
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107 | {
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108 | rc = DosQueryFileInfo( file, FIL_QUERYEASFROMLIST, &eaop2, sizeof(eaop2));
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109 | }
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110 | if (rc)
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111 | {
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112 | maperrno(rc);
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113 | rc = -1;
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114 | break;
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115 | }
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116 | if (strnicmp(pfea2list->list[0].szName, name, namelen) || pfea2list->list[0].cbValue == 0)
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117 | {
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118 | errno = ENOATTR;
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119 | rc = -1;
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120 | break;
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121 | }
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122 | rc = pfea2list->list[0].cbValue;
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123 | if (value)
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124 | {
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125 | if (size < rc)
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126 | {
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127 | errno = ERANGE;
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128 | rc = -1;
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129 | }
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130 | else
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131 | {
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132 | p = pfea2list->list[0].szName + pfea2list->list[0].cbName + 1;
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133 | memcpy(value, p, rc);
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134 | }
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135 | }
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136 | } while (0);
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137 | if (pgea2list)
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138 | {
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139 | free(pgea2list);
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140 | }
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141 | if (pgea2list)
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142 | {
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143 | free(pfea2list);
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144 | }
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145 | DEBUG(4,("unigetxattr : (%s:%d) %s %d\n", path ? path : "null", file, name, rc));
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146 | return rc;
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147 | }
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148 |
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149 | ssize_t unilistxattr (const char *path, int file, char *list, size_t size)
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150 | {
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151 | ssize_t gotsize = 0;
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152 | unsigned long ulCount = -1;
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153 | int rc;
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154 | char * buf, *p = list;
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155 | PFEA2 pfea;
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156 | FILESTATUS4 stat = {0};
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157 | char npath[CCHMAXPATH + 1] = {0};
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158 | if (!path && !file)
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159 | {
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160 | errno = EINVAL;
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161 | return -1;
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162 | }
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163 | if (path)
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164 | {
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165 | char * p;
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166 | strncpy(npath, path, CCHMAXPATH);
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167 | for (p = npath; *p; p++)
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168 | {
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169 | if (*p == '/') *p = '\\';
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170 | }
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171 | rc = DosQueryPathInfo(npath, FIL_QUERYEASIZE, &stat, sizeof(stat));
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172 | }
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173 | else
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174 | {
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175 | rc = DosQueryFileInfo( file, FIL_QUERYEASIZE, &stat, sizeof(stat));
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176 | }
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177 | if (rc)
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178 | {
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179 | DEBUG(4,("unilistxattr1 : (%s:%d) %d\n", path ? path : "null", file, rc));
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180 | maperrno(rc);
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181 | return -1;
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182 | }
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183 | if (stat.cbList <= 4)
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184 | {
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185 | // NO ea
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186 | return 0;
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187 | }
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188 | buf = (char *)malloc(stat.cbList * 2);
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189 | rc = DosEnumAttribute(path ? 1 : 0, path ? (PVOID)path : (PVOID)&file, 1, (PVOID)buf, stat.cbList * 2, &ulCount, 1);
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190 | if (rc)
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191 | {
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192 | DEBUG(4,("unilistxattr2 : (%s:%d) %d\n", path ? path : "null", file, rc));
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193 | maperrno(rc);
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194 | free(buf);
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195 | return -1;
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196 | }
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197 | if (ulCount > 0)
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198 | for (pfea = (PFEA2)buf;;pfea = (PFEA2)((char *)pfea + pfea->oNextEntryOffset))
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199 | {
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200 | if (pfea->cbName > 0)
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201 | {
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202 | gotsize += pfea->cbName + 1;
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203 | if (p && size >= gotsize)
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204 | {
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205 | pfea->szName[pfea->cbName] = 0;
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206 | strcpy(p, pfea->szName);
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207 | p += strlen(p) + 1;
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208 | }
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209 | }
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210 | if (!pfea->oNextEntryOffset)
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211 | {
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212 | break;
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213 | }
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214 | }
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215 | free(buf);
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216 | DEBUG(4,("unilistxattr : (%s:%d) %d\n", path ? path : "null", file, gotsize));
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217 | if (gotsize > size)
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218 | {
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219 | errno = ERANGE;
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220 | return list ? -1 : gotsize;
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221 | }
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222 | return gotsize;
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223 | }
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224 |
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225 | int uniremovexattr (const char *path, int file, const char *name)
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226 | {
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227 | int rc, namelen;
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228 | EAOP2 eaop2 = {0};
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229 | PFEA2LIST pfea2list = NULL;
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230 | char buf[300] = {0};
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231 |
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232 | if ((!path && !file) || !name)
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233 | {
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234 | errno = EINVAL;
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235 | return -1;
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236 | }
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237 |
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238 | namelen = strlen(name);
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239 | if (namelen > 0xFF)
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240 | {
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241 | errno = EINVAL;
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242 | return -1;
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243 | }
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244 |
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245 | pfea2list = (PFEA2LIST)buf;
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246 | pfea2list->list[0].cbName = namelen;
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247 | pfea2list->list[0].cbValue = 0;
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248 | pfea2list->list[0].fEA = 0;
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249 | strcpy(pfea2list->list[0].szName, name);
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250 | pfea2list->cbList = sizeof(FEA2LIST) + namelen;
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251 | eaop2.fpFEA2List = pfea2list;
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252 |
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253 | if (path)
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254 | {
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255 | char npath[CCHMAXPATH + 1] = {0};
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256 | char * p;
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257 | strncpy(npath, path, CCHMAXPATH);
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258 | for (p = npath; *p; p++)
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259 | {
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260 | if (*p == '/') *p = '\\';
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261 | }
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262 | rc = DosSetPathInfo(npath, FIL_QUERYEASIZE, &eaop2, sizeof(eaop2), DSPI_WRTTHRU);
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263 | }
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264 | else
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265 | {
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266 | rc = DosSetFileInfo( file, FIL_QUERYEASIZE, &eaop2, sizeof(eaop2));
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267 | }
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268 | if (rc)
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269 | {
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270 | maperrno(rc);
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271 | return -1;
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272 | }
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273 | return 0;
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274 | }
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275 |
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276 | #ifndef XATTR_CREATE
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277 | #define XATTR_CREATE 1
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278 | #endif
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279 | #ifndef XATTR_REPLACE
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280 | #define XATTR_REPLACE 2
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281 | #endif
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282 |
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283 | int unisetxattr (const char *path, int file, const char *name, const void *value, size_t size, int flags)
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284 | {
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285 | int rc, namelen, totalsize;
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286 | EAOP2 eaop2 = {0};
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287 | PFEA2LIST pfea2list = NULL;
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288 | char * p;
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289 |
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290 | if ((!path && !file) || !name || (!value && size))
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291 | {
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292 | errno = EINVAL;
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293 | return -1;
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294 | }
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295 | namelen = strlen(name);
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296 | if (namelen > 0xFF)
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297 | {
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298 | errno = EINVAL;
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299 | return -1;
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300 | }
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301 |
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302 | if (flags & (XATTR_CREATE | XATTR_REPLACE))
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303 | {
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304 | ssize_t esize = unigetxattr(path, file, name, 0, 0);
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305 | if (flags & XATTR_CREATE && esize > 0)
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306 | {
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307 | errno = EEXIST;
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308 | return -1;
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309 | }
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310 | if (flags & XATTR_REPLACE && esize < 0)
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311 | {
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312 | errno = ENOATTR;
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313 | return -1;
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314 | }
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315 | }
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316 |
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317 | totalsize = sizeof(GEALIST) + size + namelen + 1;
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318 |
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319 | pfea2list = (PFEA2LIST)calloc(totalsize, 1);
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320 | pfea2list->cbList = totalsize;
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321 | pfea2list->list[0].oNextEntryOffset = 0;
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322 | pfea2list->list[0].cbName = namelen;
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323 | pfea2list->list[0].cbValue = size;
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324 | strcpy(pfea2list->list[0].szName, name);
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325 | if (value)
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326 | {
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327 | memcpy(pfea2list->list[0].szName + namelen + 1, value, size);
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328 | }
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329 | eaop2.fpFEA2List = pfea2list;
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330 |
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331 | if (path)
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332 | {
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333 | char npath[CCHMAXPATH + 1] = {0};
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334 | char * p;
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335 | strncpy(npath, path, CCHMAXPATH);
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336 | for (p = npath; *p; p++)
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337 | {
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338 | if (*p == '/') *p = '\\';
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339 | }
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340 | rc = DosSetPathInfo(npath, FIL_QUERYEASIZE, &eaop2, sizeof(eaop2), DSPI_WRTTHRU);
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341 | }
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342 | else
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343 | {
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344 | rc = DosSetFileInfo( file, FIL_QUERYEASIZE, &eaop2, sizeof(eaop2));
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345 | }
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346 | free(pfea2list);
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347 | if (rc)
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348 | {
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349 | maperrno(rc);
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350 | return -1;
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351 | }
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352 | return 0;
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353 | }
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354 |
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355 | #endif
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