関数 | |
| SMB_ACL_T | aixacl_to_smbacl (struct acl *file_acl) |
| static ushort | aixacl_smb_to_aixperm (SMB_ACL_PERM_T a_perm) |
| acl * | aixacl_smb_to_aixacl (SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) |
| SMB_ACL_T aixacl_to_smbacl | ( | struct acl * | file_acl | ) |
vfs_aixacl_util.c の 23 行で定義されています。
参照先 smb_acl_entry::a_perm・smb_acl_entry::a_type・errno・smb_acl_entry::gid・result・SMB_ACL_GROUP・SMB_ACL_GROUP_OBJ・SMB_ACL_OTHER・SMB_ACL_USER・SMB_ACL_USER_OBJ・smb_acl_entry::uid.
00024 { 00025 struct acl_entry *acl_entry; 00026 struct ace_id *idp; 00027 00028 struct smb_acl_t *result = SMB_MALLOC_P(struct smb_acl_t); 00029 struct smb_acl_entry *ace; 00030 int i; 00031 00032 if (result == NULL) { 00033 return NULL; 00034 } 00035 ZERO_STRUCTP(result); 00036 00037 /* Point to the first acl entry in the acl */ 00038 acl_entry = file_acl->acl_ext; 00039 00040 00041 00042 DEBUG(10,("acl_entry is %d\n",acl_entry)); 00043 DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl))); 00044 00045 /* Check if the extended acl bit is on. * 00046 * If it isn't, do not show the * 00047 * contents of the acl since AIX intends * 00048 * the extended info to remain unused */ 00049 00050 if(file_acl->acl_mode & S_IXACL){ 00051 /* while we are not pointing to the very end */ 00052 while(acl_entry < acl_last(file_acl)) { 00053 /* before we malloc anything, make sure this is */ 00054 /* a valid acl entry and one that we want to map */ 00055 idp = id_nxt(acl_entry->ace_id); 00056 if((acl_entry->ace_type == ACC_SPECIFY || 00057 (acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) { 00058 acl_entry = acl_nxt(acl_entry); 00059 continue; 00060 } 00061 00062 idp = acl_entry->ace_id; 00063 DEBUG(10,("idp->id_data is %d\n",idp->id_data[0])); 00064 00065 result = SMB_REALLOC(result, sizeof(struct smb_acl_t) + 00066 (sizeof(struct smb_acl_entry) * 00067 (result->count+1))); 00068 if (result == NULL) { 00069 DEBUG(0, ("SMB_REALLOC failed\n")); 00070 errno = ENOMEM; 00071 return NULL; 00072 } 00073 00074 00075 DEBUG(10,("idp->id_type is %d\n",idp->id_type)); 00076 ace = &result->acl[result->count]; 00077 00078 ace->a_type = idp->id_type; 00079 00080 switch(ace->a_type) { 00081 case ACEID_USER: { 00082 ace->uid = idp->id_data[0]; 00083 DEBUG(10,("case ACEID_USER ace->uid is %d\n",ace->uid)); 00084 ace->a_type = SMB_ACL_USER; 00085 break; 00086 } 00087 00088 case ACEID_GROUP: { 00089 ace->gid = idp->id_data[0]; 00090 DEBUG(10,("case ACEID_GROUP ace->gid is %d\n",ace->gid)); 00091 ace->a_type = SMB_ACL_GROUP; 00092 break; 00093 } 00094 default: 00095 break; 00096 } 00097 /* The access in the acl entries must be left shifted by * 00098 * three bites, because they will ultimately be compared * 00099 * to S_IRUSR, S_IWUSR, and S_IXUSR. */ 00100 00101 switch(acl_entry->ace_type){ 00102 case ACC_PERMIT: 00103 case ACC_SPECIFY: 00104 ace->a_perm = acl_entry->ace_access; 00105 ace->a_perm <<= 6; 00106 DEBUG(10,("ace->a_perm is %d\n",ace->a_perm)); 00107 break; 00108 case ACC_DENY: 00109 /* Since there is no way to return a DENY acl entry * 00110 * change to PERMIT and then shift. */ 00111 DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access)); 00112 ace->a_perm = ~acl_entry->ace_access & 7; 00113 DEBUG(10,("ace->a_perm is %d\n",ace->a_perm)); 00114 ace->a_perm <<= 6; 00115 break; 00116 default: 00117 DEBUG(0, ("unknown ace->type\n")); 00118 SAFE_FREE(result); 00119 return(0); 00120 } 00121 00122 result->count++; 00123 ace->a_perm |= (ace->a_perm & S_IRUSR) ? SMB_ACL_READ : 0; 00124 ace->a_perm |= (ace->a_perm & S_IWUSR) ? SMB_ACL_WRITE : 0; 00125 ace->a_perm |= (ace->a_perm & S_IXUSR) ? SMB_ACL_EXECUTE : 0; 00126 DEBUG(10,("ace->a_perm is %d\n",ace->a_perm)); 00127 00128 DEBUG(10,("acl_entry = %d\n",acl_entry)); 00129 DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type)); 00130 00131 acl_entry = acl_nxt(acl_entry); 00132 } 00133 } /* end of if enabled */ 00134 00135 /* Since owner, group, other acl entries are not * 00136 * part of the acl entries in an acl, they must * 00137 * be dummied up to become part of the list. */ 00138 00139 for( i = 1; i < 4; i++) { 00140 DEBUG(10,("i is %d\n",i)); 00141 00142 result = SMB_REALLOC(result, sizeof(struct smb_acl_t) + 00143 (sizeof(struct smb_acl_entry) * 00144 (result->count+1))); 00145 if (result == NULL) { 00146 DEBUG(0, ("SMB_REALLOC failed\n")); 00147 errno = ENOMEM; 00148 DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); 00149 return NULL; 00150 } 00151 00152 ace = &result->acl[result->count]; 00153 00154 ace->uid = 0; 00155 ace->gid = 0; 00156 DEBUG(10,("ace->uid = %d\n",ace->uid)); 00157 00158 switch(i) { 00159 case 2: 00160 ace->a_perm = file_acl->g_access << 6; 00161 ace->a_type = SMB_ACL_GROUP_OBJ; 00162 break; 00163 00164 case 3: 00165 ace->a_perm = file_acl->o_access << 6; 00166 ace->a_type = SMB_ACL_OTHER; 00167 break; 00168 00169 case 1: 00170 ace->a_perm = file_acl->u_access << 6; 00171 ace->a_type = SMB_ACL_USER_OBJ; 00172 break; 00173 00174 default: 00175 return(NULL); 00176 00177 } 00178 ace->a_perm |= ((ace->a_perm & S_IRUSR) ? SMB_ACL_READ : 0); 00179 ace->a_perm |= ((ace->a_perm & S_IWUSR) ? SMB_ACL_WRITE : 0); 00180 ace->a_perm |= ((ace->a_perm & S_IXUSR) ? SMB_ACL_EXECUTE : 0); 00181 00182 memcpy(&result->acl[result->count],ace,sizeof(struct smb_acl_entry)); 00183 result->count++; 00184 DEBUG(10,("ace->a_perm = %d\n",ace->a_perm)); 00185 DEBUG(10,("ace->a_type = %d\n",ace->a_type)); 00186 } 00187 00188 00189 return result; 00190 00191 00192 }
| static ushort aixacl_smb_to_aixperm | ( | SMB_ACL_PERM_T | a_perm | ) | [static] |
vfs_aixacl_util.c の 194 行で定義されています。
00195 { 00196 ushort ret = (ushort)0; 00197 if (a_perm & SMB_ACL_READ) 00198 ret |= R_ACC; 00199 if (a_perm & SMB_ACL_WRITE) 00200 ret |= W_ACC; 00201 if (a_perm & SMB_ACL_EXECUTE) 00202 ret |= X_ACC; 00203 return ret; 00204 }
| struct acl* aixacl_smb_to_aixacl | ( | SMB_ACL_TYPE_T | acltype, | |
| SMB_ACL_T | theacl | |||
| ) |
vfs_aixacl_util.c の 206 行で定義されています。
参照先 smb_acl_entry::a_perm・smb_acl_entry::a_type・smb_acl_t::acl・aixacl_smb_to_aixperm()・smb_acl_t::count・errno・smb_acl_entry::gid・SMB_ACL_GROUP・SMB_ACL_GROUP_OBJ・SMB_ACL_MASK・SMB_ACL_OTHER・SMB_ACL_USER・SMB_ACL_USER_OBJ・smb_acl_entry::uid.
00207 { 00208 struct smb_acl_entry *smb_entry = NULL; 00209 struct acl *file_acl = NULL; 00210 struct acl *file_acl_temp = NULL; 00211 struct acl_entry *acl_entry = NULL; 00212 struct ace_id *ace_id = NULL; 00213 uint id_type; 00214 uint user_id; 00215 uint acl_length; 00216 int i; 00217 00218 DEBUG(10,("Entering aixacl_smb_to_aixacl\n")); 00219 /* AIX has no default ACL */ 00220 if(acltype == SMB_ACL_TYPE_DEFAULT) 00221 return NULL; 00222 00223 acl_length = BUFSIZ; 00224 file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); 00225 if(file_acl == NULL) { 00226 errno = ENOMEM; 00227 DEBUG(0,("Error in aixacl_smb_to_aixacl is %d\n",errno)); 00228 return NULL; 00229 } 00230 00231 memset(file_acl,0,BUFSIZ); 00232 00233 file_acl->acl_len = ACL_SIZ; 00234 file_acl->acl_mode = S_IXACL; 00235 00236 for(i=0; i<theacl->count; i++ ) { 00237 smb_entry = &(theacl->acl[i]); 00238 id_type = smb_entry->a_type; 00239 DEBUG(10,("The id_type is %d\n",id_type)); 00240 00241 switch(id_type) { 00242 case SMB_ACL_USER_OBJ: 00243 file_acl->u_access = aixacl_smb_to_aixperm(smb_entry->a_perm); 00244 continue; 00245 case SMB_ACL_GROUP_OBJ: 00246 file_acl->g_access = aixacl_smb_to_aixperm(smb_entry->a_perm); 00247 continue; 00248 case SMB_ACL_OTHER: 00249 file_acl->o_access = aixacl_smb_to_aixperm(smb_entry->a_perm); 00250 continue; 00251 case SMB_ACL_MASK: 00252 continue; 00253 case SMB_ACL_GROUP: 00254 break; /* process this */ 00255 case SMB_ACL_USER: 00256 break; /* process this */ 00257 default: /* abnormal case */ 00258 DEBUG(10,("The id_type is unknown !\n")); 00259 continue; 00260 } 00261 00262 if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) { 00263 acl_length += sizeof(struct acl_entry); 00264 file_acl_temp = (struct acl *)SMB_MALLOC(acl_length); 00265 if(file_acl_temp == NULL) { 00266 SAFE_FREE(file_acl); 00267 errno = ENOMEM; 00268 DEBUG(0,("Error in aixacl_smb_to_aixacl is %d\n",errno)); 00269 return NULL; 00270 } 00271 00272 memcpy(file_acl_temp,file_acl,file_acl->acl_len); 00273 SAFE_FREE(file_acl); 00274 file_acl = file_acl_temp; 00275 } 00276 00277 acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len); 00278 file_acl->acl_len += sizeof(struct acl_entry); 00279 acl_entry->ace_len = sizeof(struct acl_entry); /* contains 1 ace_id */ 00280 acl_entry->ace_access = aixacl_smb_to_aixperm(smb_entry->a_perm); 00281 00282 /* In order to use this, we'll need to wait until we can get denies */ 00283 /* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT) 00284 acl_entry->ace_type = ACC_SPECIFY; */ 00285 00286 acl_entry->ace_type = ACC_SPECIFY; 00287 00288 ace_id = acl_entry->ace_id; 00289 00290 ace_id->id_type = (smb_entry->a_type==SMB_ACL_GROUP) ? ACEID_GROUP : ACEID_USER; 00291 DEBUG(10,("The id type is %d\n",ace_id->id_type)); 00292 ace_id->id_len = sizeof(struct ace_id); /* contains 1 id_data */ 00293 ace_id->id_data[0] = (smb_entry->a_type==SMB_ACL_GROUP) ? smb_entry->gid : smb_entry->uid; 00294 } 00295 00296 return file_acl; 00297 }
1.4.7