1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/* path.h: path data structures
Copyright 1996, 1997, 1998, 2000, 2001, 2002 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
struct suffix_info
{
const char *name;
int addon;
suffix_info (const char *s, int addit = 0): name (s), addon (addit) {}
};
enum pathconv_arg
{
PC_SYM_FOLLOW = 0x0001,
PC_SYM_NOFOLLOW = 0x0002,
PC_SYM_IGNORE = 0x0004,
PC_SYM_CONTENTS = 0x0008,
PC_FULL = 0x0010,
PC_NULLEMPTY = 0x0020,
PC_CHECK_EA = 0x0040,
PC_POSIX = 0x0080
};
enum case_checking
{
PCHECK_RELAXED = 0,
PCHECK_ADJUST = 1,
PCHECK_STRICT = 2
};
#define PC_NONULLEMPTY -1
#include <sys/mount.h>
enum path_types
{
PATH_NOTHING = 0,
PATH_SYMLINK = MOUNT_SYMLINK,
PATH_BINARY = MOUNT_BINARY,
PATH_EXEC = MOUNT_EXEC,
PATH_NOTEXEC = MOUNT_NOTEXEC,
PATH_CYGWIN_EXEC = MOUNT_CYGWIN_EXEC,
PATH_ALL_EXEC = (PATH_CYGWIN_EXEC | PATH_EXEC),
PATH_TEXT = 0x02000000,
PATH_ISDISK = 0x04000000,
PATH_HAS_SYMLINKS = 0x10000000,
PATH_HASBUGGYOPEN = 0x20000000,
PATH_SOCKET = 0x40000000,
PATH_HASACLS = 0x80000000
};
class symlink_info;
struct fs_info
{
char name[MAX_PATH];
char root_dir[MAX_PATH];
DWORD flags;
DWORD serial;
DWORD sym_opt; /* additional options to pass to symlink_info resolver */
DWORD is_remote_drive;
DWORD drive_type;
bool update (const char *);
};
class path_conv
{
char path[MAX_PATH];
DWORD fileattr;
fs_info fs;
void add_ext_from_sym (symlink_info&);
public:
unsigned path_flags;
char *known_suffix;
int error;
DWORD devn;
int unit;
BOOL case_clash;
char *normalized_path;
int isdisk () const { return path_flags & PATH_ISDISK;}
int isremote () const {return fs.is_remote_drive;}
int has_acls () const {return path_flags & PATH_HASACLS;}
int has_symlinks () const {return path_flags & PATH_HAS_SYMLINKS;}
int hasgood_inode () const {return path_flags & PATH_HASACLS;} // Not strictly correct
int has_buggy_open () const {return path_flags & PATH_HASBUGGYOPEN;}
int binmode () const
{
if (path_flags & PATH_BINARY)
return O_BINARY;
if (path_flags & PATH_TEXT)
return O_TEXT;
return 0;
}
int issymlink () const {return path_flags & PATH_SYMLINK;}
int issocket () const {return path_flags & PATH_SOCKET;}
int iscygexec () const {return path_flags & PATH_CYGWIN_EXEC;}
bool exists () const {return fileattr != INVALID_FILE_ATTRIBUTES;}
bool has_attribute (DWORD x) const {return exists () && (fileattr & x);}
int isdir () const {return has_attribute (FILE_ATTRIBUTE_DIRECTORY);}
executable_states exec_state ()
{
extern int _check_for_executable;
if (path_flags & PATH_ALL_EXEC)
return is_executable;
if (path_flags & PATH_NOTEXEC)
return not_executable;
if (!_check_for_executable)
return dont_care_if_executable;
return dont_know_if_executable;
}
void set_binary () {path_flags |= PATH_BINARY;}
void set_symlink () {path_flags |= PATH_SYMLINK;}
void set_has_symlinks () {path_flags |= PATH_HAS_SYMLINKS;}
void set_isdisk () {path_flags |= PATH_ISDISK; devn = FH_DISK;}
void set_exec (int x = 1) {path_flags |= x ? PATH_EXEC : PATH_NOTEXEC;}
void set_has_acls (int x = 1) {path_flags |= x ? PATH_HASACLS : PATH_NOTHING;}
void set_has_buggy_open (int x = 1) {path_flags |= x ? PATH_HASBUGGYOPEN : PATH_NOTHING;}
void check (const char *src, unsigned opt = PC_SYM_FOLLOW,
const suffix_info *suffixes = NULL) __attribute__ ((regparm(3)));
path_conv (int, const char *src, unsigned opt = PC_SYM_FOLLOW,
const suffix_info *suffixes = NULL)
{
check (src, opt, suffixes);
}
path_conv (const char *src, unsigned opt = PC_SYM_FOLLOW,
const suffix_info *suffixes = NULL)
{
check (src, opt | PC_NULLEMPTY, suffixes);
}
path_conv (): fileattr (INVALID_FILE_ATTRIBUTES), path_flags (0),
known_suffix (NULL), error (0), devn (0), unit (0),
normalized_path (NULL) {path[0] = '\0';}
inline char *get_win32 () { return path; }
operator char *() {return path;}
operator const char *() {return path;}
operator DWORD &() {return fileattr;}
operator int () {return fileattr; }
char operator [](int i) const {return path[i];}
BOOL is_device () {return devn != FH_BAD && devn != FH_DISK;}
DWORD get_devn () {return devn == FH_BAD ? (DWORD) FH_DISK : devn;}
short get_unitn () {return devn == FH_BAD ? 0 : unit;}
DWORD file_attributes () {return fileattr;}
DWORD drive_type () {return fs.drive_type;}
BOOL fs_fast_ea () {return fs.sym_opt & PC_CHECK_EA;}
void set_path (const char *p) {strcpy (path, p);}
char *return_and_clear_normalized_path ();
const char * root_dir () { return fs.root_dir; }
DWORD volser () { return fs.serial; }
const char *volname () {return fs.name; }
void fillin (HANDLE h);
};
/* Symlink marker */
#define SYMLINK_COOKIE "!<symlink>"
#define SYMLINK_EA_NAME ".CYGSYMLINK"
/* Socket marker */
#define SOCKET_COOKIE "!<socket >"
/* The sizeof header written to a shortcut by Cygwin or U/WIN. */
#define SHORTCUT_HDR_SIZE 76
/* Maximum depth of symlinks (after which ELOOP is issued). */
#define MAX_LINK_DEPTH 10
int __stdcall slash_unc_prefix_p (const char *path) __attribute__ ((regparm(1)));
enum fe_types
{
FE_NADA = 0, /* Nothing special */
FE_NNF = 1, /* Return NULL if not found */
FE_NATIVE = 2, /* Return native path in path_conv struct */
FE_CWD = 4 /* Search CWD for program */
};
const char * __stdcall find_exec (const char *name, path_conv& buf,
const char *winenv = "PATH=",
unsigned opt = FE_NADA,
const char **known_suffix = NULL)
__attribute__ ((regparm(3)));
/* Common macros for checking for invalid path names */
#define isdrive(s) (isalpha (*(s)) && (s)[1] == ':')
static inline bool
has_exec_chars (const char *buf, int len)
{
return len >= 2 &&
((buf[0] == '#' && buf[1] == '!') ||
(buf[0] == ':' && buf[1] == '\n') ||
(buf[0] == 'M' && buf[1] == 'Z'));
}
int pathmatch (const char *path1, const char *path2) __attribute__ ((regparm (2)));
int pathnmatch (const char *path1, const char *path2, int len) __attribute__ ((regparm (2)));
int path_prefix_p (const char *path1, const char *path2, int len1) __attribute__ ((regparm (3)));
|
