blocxx
PathSecurity.hpp
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32 
33 
38 #ifndef BLOCXX_PATHSECURITY_HPP_INCLUDE_GUARD_
39 #define BLOCXX_PATHSECURITY_HPP_INCLUDE_GUARD_
40 
41 #include "blocxx/BLOCXX_config.h"
42 #include "blocxx/String.hpp"
43 #ifdef BLOCXX_HAVE_SYS_STAT_H
44 #include <sys/stat.h>
45 #endif
46 
47 namespace BLOCXX_NAMESPACE
48 {
49 
50 enum EFileStatusReturn
51 {
52  E_FILE_OK,
53  E_FILE_BAD_OWNER,
54  E_FILE_BAD_OTHER
55 };
56 
57 #ifdef BLOCXX_WIN32
58 
59 #define S_IRUSR 400 /* Read by owner. */
60 #define S_IWUSR 200 /* Write by owner. */
61 #define S_IXUSR 100 /* Execute by owner. */
62 /* Read, write, and execute by owner. */
63 #define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
64 
65 #define S_IRGRP (S_IRUSR / 10) /* Read by group. */
66 #define S_IWGRP (S_IWUSR / 10) /* Write by group. */
67 #define S_IXGRP (S_IXUSR / 10) /* Execute by group. */
68 /* Read, write, and execute by group. */
69 #define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
70 
71 #define S_IROTH (S_IRGRP / 10) /* Read by others. */
72 #define S_IWOTH (S_IWGRP / 10) /* Write by others. */
73 #define S_IXOTH (S_IXGRP / 10) /* Execute by others. */
74 /* Read, write, and execute by others. */
75 #define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
76 
77 #define S_ISVTX 0x0001000 /* sticky bit (see below) */
78 #define S_ISDIR(__PARM__) (_S_IFDIR & __PARM__)
79 #define S_ISREG(__PARM__) (_S_IFREG & __PARM__)
80 #define S_ISLNK(__PARM__) (false) /*TODO: implement hardlinks */
81 
82 #ifndef ELOOP
83 #define ELOOP 40 /* Too many symbolic links encountered */
84 #endif
85 
86 static const unsigned long BLOCXX_WIN32_ACCESSMASK_FILE_READ_DATA = 1;
87 static const unsigned long BLOCXX_WIN32_ACCESSMASK_FILE_WRITE_DATA = 1<<1;
88 static const unsigned long BLOCXX_WIN32_ACCESSMASK_FILE_APPEND_DATA = 1<<2;
89 static const unsigned long BLOCXX_WIN32_ACCESSMASK_FILE_READ_EA = 1<<3;
90 static const unsigned long BLOCXX_WIN32_ACCESSMASK_FILE_WRITE_EA = 1<<4;
91 static const unsigned long BLOCXX_WIN32_ACCESSMASK_FILE_EXEC = 1<<5;
92 static const unsigned long BLOCXX_WIN32_ACCESSMASK_FILE_DELETE_CHILD = 1<<6;
93 static const unsigned long BLOCXX_WIN32_ACCESSMASK_FILE_READ_ATTRS = 1<<7;
94 static const unsigned long BLOCXX_WIN32_ACCESSMASK_FILE_WRITE_ATTRS = 1<<8;
95 
96 static const unsigned long BLOCXX_WIN32_ACCESSMASK_DELETE = 1<<16;
97 static const unsigned long BLOCXX_WIN32_ACCESSMASK_READ_CONTROL = 1<<17;
98 static const unsigned long BLOCXX_WIN32_ACCESSMASK_WRITE_DAC = 1<<18;
99 static const unsigned long BLOCXX_WIN32_ACCESSMASK_WRITE_OWNER = 1<<19;
100 static const unsigned long BLOCXX_WIN32_ACCESSMASK_SYNCHRONIZE = 1<<20;
101 static const unsigned long BLOCXX_WIN32_ACCESSMASK_SYSSECURITY = 1<<24;
102 
103 static const unsigned long BLOCXX_WIN32_ACCESSMASK_GENERIC_ALL = 1<<28;
104 static const unsigned long BLOCXX_WIN32_ACCESSMASK_GENERIC_EXEC = 1<<29;
105 static const unsigned long BLOCXX_WIN32_ACCESSMASK_GENERIC_WRITE = 1<<30;
106 static const unsigned long BLOCXX_WIN32_ACCESSMASK_GENERIC_READ = 1<<31;
107 
108 static const unsigned long BLOCXX_WIN32_ACCESSMASK_ALLOW_ANY_CHANGE = \
109  BLOCXX_WIN32_ACCESSMASK_GENERIC_ALL | \
110  BLOCXX_WIN32_ACCESSMASK_GENERIC_WRITE | \
111  BLOCXX_WIN32_ACCESSMASK_WRITE_DAC | \
112  BLOCXX_WIN32_ACCESSMASK_FILE_WRITE_ATTRS | \
113  BLOCXX_WIN32_ACCESSMASK_FILE_WRITE_DATA | \
114  BLOCXX_WIN32_ACCESSMASK_FILE_APPEND_DATA | \
115  BLOCXX_WIN32_ACCESSMASK_FILE_WRITE_EA ;
116 
117 
118 #endif //ifdef BLOCXX_WIN32
119 
120 #if defined(BLOCXX_NETWARE) || defined(BLOCXX_WIN32)
121  #define LSTAT ::stat
122  #define S_ISLNK(x) false
123  #define READLINK(path, buf, size) 0
124  #define READLINK_ALLOWED false
125 #else
126  #define LSTAT ::lstat
127  #define READLINK(path, buf, size) ::readlink((path), (buf), (size))
128  #define READLINK_ALLOWED true
129 #endif
130 
131 
132 BLOCXX_COMMON_API bool isPathAbsolute(String const & path);
134 EFileStatusReturn getFileStatus(struct stat const & x, uid_t uid, bool is_full_path, const String& path);
135 
136 } // end namespace BLOCXX_NAMESPACE
137 
138 #endif
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