Fix major memory leak in sftp_cmd_ls (thanks to Hans-Juergen Petrich
[u/mdw/putty] / sftp.h
1 /*
2 * sftp.h: definitions for SFTP and the sftp.c routines.
3 */
4
5 #include "int64.h"
6
7 #define SSH_FXP_INIT 1 /* 0x1 */
8 #define SSH_FXP_VERSION 2 /* 0x2 */
9 #define SSH_FXP_OPEN 3 /* 0x3 */
10 #define SSH_FXP_CLOSE 4 /* 0x4 */
11 #define SSH_FXP_READ 5 /* 0x5 */
12 #define SSH_FXP_WRITE 6 /* 0x6 */
13 #define SSH_FXP_LSTAT 7 /* 0x7 */
14 #define SSH_FXP_FSTAT 8 /* 0x8 */
15 #define SSH_FXP_SETSTAT 9 /* 0x9 */
16 #define SSH_FXP_FSETSTAT 10 /* 0xa */
17 #define SSH_FXP_OPENDIR 11 /* 0xb */
18 #define SSH_FXP_READDIR 12 /* 0xc */
19 #define SSH_FXP_REMOVE 13 /* 0xd */
20 #define SSH_FXP_MKDIR 14 /* 0xe */
21 #define SSH_FXP_RMDIR 15 /* 0xf */
22 #define SSH_FXP_REALPATH 16 /* 0x10 */
23 #define SSH_FXP_STAT 17 /* 0x11 */
24 #define SSH_FXP_RENAME 18 /* 0x12 */
25 #define SSH_FXP_STATUS 101 /* 0x65 */
26 #define SSH_FXP_HANDLE 102 /* 0x66 */
27 #define SSH_FXP_DATA 103 /* 0x67 */
28 #define SSH_FXP_NAME 104 /* 0x68 */
29 #define SSH_FXP_ATTRS 105 /* 0x69 */
30 #define SSH_FXP_EXTENDED 200 /* 0xc8 */
31 #define SSH_FXP_EXTENDED_REPLY 201 /* 0xc9 */
32
33 #define SSH_FX_OK 0
34 #define SSH_FX_EOF 1
35 #define SSH_FX_NO_SUCH_FILE 2
36 #define SSH_FX_PERMISSION_DENIED 3
37 #define SSH_FX_FAILURE 4
38 #define SSH_FX_BAD_MESSAGE 5
39 #define SSH_FX_NO_CONNECTION 6
40 #define SSH_FX_CONNECTION_LOST 7
41 #define SSH_FX_OP_UNSUPPORTED 8
42
43 #define SSH_FILEXFER_ATTR_SIZE 0x00000001
44 #define SSH_FILEXFER_ATTR_UIDGID 0x00000002
45 #define SSH_FILEXFER_ATTR_PERMISSIONS 0x00000004
46 #define SSH_FILEXFER_ATTR_ACMODTIME 0x00000008
47 #define SSH_FILEXFER_ATTR_EXTENDED 0x80000000
48
49 #define SSH_FXF_READ 0x00000001
50 #define SSH_FXF_WRITE 0x00000002
51 #define SSH_FXF_APPEND 0x00000004
52 #define SSH_FXF_CREAT 0x00000008
53 #define SSH_FXF_TRUNC 0x00000010
54 #define SSH_FXF_EXCL 0x00000020
55
56 #define SFTP_PROTO_VERSION 3
57
58 /*
59 * External references. The sftp client module sftp.c expects to be
60 * able to get at these functions.
61 *
62 * sftp_recvdata must never return less than len. It either blocks
63 * until len is available, or it returns failure.
64 *
65 * Both functions return 1 on success, 0 on failure.
66 */
67 int sftp_senddata(char *data, int len);
68 int sftp_recvdata(char *data, int len);
69
70 struct fxp_attrs {
71 unsigned long flags;
72 uint64 size;
73 unsigned long uid;
74 unsigned long gid;
75 unsigned long permissions;
76 unsigned long atime;
77 unsigned long mtime;
78 };
79
80 struct fxp_handle {
81 char *hstring;
82 int hlen;
83 };
84
85 struct fxp_name {
86 char *filename, *longname;
87 struct fxp_attrs attrs;
88 };
89
90 struct fxp_names {
91 int nnames;
92 struct fxp_name *names;
93 };
94
95 const char *fxp_error(void);
96 int fxp_error_type(void);
97
98 /*
99 * Perform exchange of init/version packets. Return 0 on failure.
100 */
101 int fxp_init(void);
102
103 /*
104 * Canonify a pathname. Concatenate the two given path elements
105 * with a separating slash, unless the second is NULL.
106 */
107 char *fxp_realpath(char *path);
108
109 /*
110 * Open a file.
111 */
112 struct fxp_handle *fxp_open(char *path, int type);
113
114 /*
115 * Open a directory.
116 */
117 struct fxp_handle *fxp_opendir(char *path);
118
119 /*
120 * Close a file/dir.
121 */
122 void fxp_close(struct fxp_handle *handle);
123
124 /*
125 * Make a directory.
126 */
127 int fxp_mkdir(char *path);
128
129 /*
130 * Remove a directory.
131 */
132 int fxp_rmdir(char *path);
133
134 /*
135 * Remove a file.
136 */
137 int fxp_remove(char *fname);
138
139 /*
140 * Rename a file.
141 */
142 int fxp_rename(char *srcfname, char *dstfname);
143
144 /*
145 * Return file attributes.
146 */
147 int fxp_stat(char *fname, struct fxp_attrs *attrs);
148 int fxp_fstat(struct fxp_handle *handle, struct fxp_attrs *attrs);
149
150 /*
151 * Set file attributes.
152 */
153 int fxp_setstat(char *fname, struct fxp_attrs attrs);
154 int fxp_fsetstat(struct fxp_handle *handle, struct fxp_attrs attrs);
155
156 /*
157 * Read from a file.
158 */
159 int fxp_read(struct fxp_handle *handle, char *buffer, uint64 offset,
160 int len);
161
162 /*
163 * Write to a file. Returns 0 on error, 1 on OK.
164 */
165 int fxp_write(struct fxp_handle *handle, char *buffer, uint64 offset,
166 int len);
167
168 /*
169 * Read from a directory.
170 */
171 struct fxp_names *fxp_readdir(struct fxp_handle *handle);
172
173 /*
174 * Free up an fxp_names structure.
175 */
176 void fxp_free_names(struct fxp_names *names);
177
178 /*
179 * Duplicate and free fxp_name structures.
180 */
181 struct fxp_name *fxp_dup_name(struct fxp_name *name);
182 void fxp_free_name(struct fxp_name *name);