1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 #include <fcntl.h> 23 #include <sys/types.h> 24 #include <sys/stat.h> 25 #include <unistd.h> 26 #include <dlfcn.h> 27 28 #ifdef _cplusplus 29 extern "C" { 30 #endif 31 32 #ifdef SOLARIS 33 34 #include <sys/systeminfo.h> 35 #include <strings.h> 36 37 int chown (const char *path, uid_t owner, gid_t group) {return 0;} 38 int lchown (const char *path, uid_t owner, gid_t group) {return 0;} 39 int fchown (int fildes, uid_t owner, gid_t group) {return 0;} 40 41 uid_t getuid (void) {return 0;} 42 int stat(const char *path, struct stat *buf); 43 #ifdef __notdef__ 44 uid_t geteuid (void) {return 0;} 45 gid_t getgid (void) {return 0;} 46 gid_t getegid (void) {return 0;} 47 #endif 48 49 int setuid (uid_t p) {return 0;} 50 int setgid (gid_t p) {return 0;} 51 52 /* This is to fool cpio and pkgmk */ 53 int fstat(int fildes, struct stat *buf) 54 { 55 int ret = 0; 56 static int (*p_fstat) (int fildes, struct stat *buf) = NULL; 57 if (p_fstat == NULL) 58 p_fstat = (int (*)(int fildes, struct stat *buf)) 59 dlsym (RTLD_NEXT, "fstat"); 60 ret = (*p_fstat)(fildes, buf); 61 if (buf != NULL) 62 { 63 buf->st_uid = 0; /* root */ 64 buf->st_gid = 2; /* bin */ 65 } 66 67 return ret; 68 } 69 70 /* this is to fool mkdir, don't allow to remove owner execute right from directories */ 71 int chmod(const char *path, mode_t mode) 72 { 73 int ret = 0; 74 static int (*p_chmod) (const char *path, mode_t mode) = NULL; 75 if (p_chmod == NULL) 76 p_chmod = (int (*)(const char *path, mode_t mode)) 77 dlsym (RTLD_NEXT, "chmod"); 78 79 if ((mode & S_IXUSR) == 0) 80 { 81 struct stat statbuf; 82 if (stat(path, &statbuf) == 0) 83 { 84 if ((statbuf.st_mode & S_IFDIR) != 0) 85 mode = (mode | S_IXUSR); 86 } 87 } 88 89 ret = (*p_chmod)(path, mode); 90 return ret; 91 } 92 93 94 95 /* This is to fool tar */ 96 int fstatat64(int fildes, const char *path, struct stat64 *buf, int flag) 97 { 98 int ret = 0; 99 static int (*p_fstatat) (int fildes, const char *path, struct stat64 *buf, int flag) = NULL; 100 if (p_fstatat == NULL) 101 p_fstatat = (int (*)(int fildes, const char *path, struct stat64 *buf, int flag)) 102 dlsym (RTLD_NEXT, "fstatat64"); 103 ret = (*p_fstatat)(fildes, path, buf, flag); 104 if (buf != NULL) 105 { 106 buf->st_uid = 0; /* root */ 107 buf->st_gid = 2; /* bin */ 108 } 109 110 return ret; 111 } 112 #elif defined LINUX 113 114 uid_t getuid (void) {return 0;} 115 uid_t geteuid (void) {return 0;} 116 117 /* This is to fool tar */ 118 #ifdef X86_64 119 int __lxstat(int n, const char *path, struct stat *buf) 120 { 121 int ret = 0; 122 static int (*p_lstat) (int n, const char *path, struct stat *buf) = NULL; 123 if (p_lstat == NULL) 124 p_lstat = (int (*)(int n, const char *path, struct stat *buf)) 125 dlsym (RTLD_NEXT, "__lxstat"); 126 ret = (*p_lstat)(n, path, buf); 127 if (buf != NULL) 128 { 129 buf->st_uid = 0; /* root */ 130 buf->st_gid = 0; /* root */ 131 } 132 return ret; 133 } 134 #else 135 int __lxstat64(int n, const char *path, struct stat64 *buf) 136 { 137 int ret = 0; 138 static int (*p_lstat) (int n, const char *path, struct stat64 *buf) = NULL; 139 if (p_lstat == NULL) 140 p_lstat = (int (*)(int n, const char *path, struct stat64 *buf)) 141 dlsym (RTLD_NEXT, "__lxstat64"); 142 ret = (*p_lstat)(n, path, buf); 143 if (buf != NULL) 144 { 145 buf->st_uid = 0; 146 buf->st_gid = 0; 147 } 148 return ret; 149 } 150 #endif 151 #endif 152 153 #ifdef _cplusplus 154 } 155 #endif 156 157