libssh: misc.h Source File

libssh 0.10.6 The SSH library

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misc.h
1/*
2 * This file is part of the SSH Library
3 *
4 * Copyright (c) 2009 by Aris Adamantiadis
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef MISC_H_
22#define MISC_H_
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28/* in misc.c */
29/* gets the user home dir. */
30char *ssh_get_user_home_dir(void);
31char *ssh_get_local_username(void);
32int ssh_file_readaccess_ok(const char *file);
33int ssh_dir_writeable(const char *path);
34
35char *ssh_path_expand_tilde(const char *d);
36char *ssh_path_expand_escape(ssh_session session, const char *s);
37int ssh_analyze_banner(ssh_session session, int server);
38int ssh_is_ipaddr_v4(const char *str);
39int ssh_is_ipaddr(const char *str);
40
41/* list processing */
42
43 struct ssh_list {
44 struct ssh_iterator *root;
45 struct ssh_iterator *end;
46};
47
48 struct ssh_iterator {
49 struct ssh_iterator *next;
50 const void *data;
51};
52
53 struct ssh_timestamp {
54 long seconds;
55 long useconds;
56};
57
58enum ssh_quote_state_e {
59 NO_QUOTE,
60 SINGLE_QUOTE,
61 DOUBLE_QUOTE
62};
63
64struct ssh_list *ssh_list_new(void);
65void ssh_list_free(struct ssh_list *list);
66struct ssh_iterator *ssh_list_get_iterator(const struct ssh_list *list);
67struct ssh_iterator *ssh_list_find(const struct ssh_list *list, void *value);
68size_t ssh_list_count(const struct ssh_list *list);
69int ssh_list_append(struct ssh_list *list, const void *data);
70int ssh_list_prepend(struct ssh_list *list, const void *data);
71void ssh_list_remove(struct ssh_list *list, struct ssh_iterator *iterator);
72char *ssh_lowercase(const char* str);
73char *ssh_hostport(const char *host, int port);
74
75const void *_ssh_list_pop_head(struct ssh_list *list);
76
77#define ssh_iterator_value(type, iterator)\
78 ((type)((iterator)->data))
79
85#define ssh_list_pop_head(type, ssh_list)\
86 ((type)_ssh_list_pop_head(ssh_list))
87
88int ssh_make_milliseconds(unsigned long sec, unsigned long usec);
89void ssh_timestamp_init(struct ssh_timestamp *ts);
90int ssh_timeout_elapsed(struct ssh_timestamp *ts, int timeout);
91int ssh_timeout_update(struct ssh_timestamp *ts, int timeout);
92
93int ssh_match_group(const char *group, const char *object);
94
95void uint64_inc(unsigned char *counter);
96
97void ssh_log_hexdump(const char *descr, const unsigned char *what, size_t len);
98
99int ssh_mkdirs(const char *pathname, mode_t mode);
100
101int ssh_quote_file_name(const char *file_name, char *buf, size_t buf_len);
102int ssh_newline_vis(const char *string, char *buf, size_t buf_len);
103int ssh_tmpname(char *name);
104
105char *ssh_strreplace(const char *src, const char *pattern, const char *repl);
106
107int ssh_check_hostname_syntax(const char *hostname);
108
109#ifdef __cplusplus
110}
111#endif
112
113#endif /* MISC_H_ */
ssh_log_hexdump
void ssh_log_hexdump(const char *descr, const unsigned char *what, size_t len)
Log the content of a buffer in hexadecimal format, similar to the output of 'hexdump -C' command.
Definition misc.c:513
ssh_mkdirs
int ssh_mkdirs(const char *pathname, mode_t mode)
Attempts to create a directory with the given pathname. The missing directories in the given pathname...
Definition misc.c:1043
ssh_list_count
size_t ssh_list_count(const struct ssh_list *list)
Get the number of elements in the list.
Definition misc.c:755
ssh_check_hostname_syntax
int ssh_check_hostname_syntax(const char *hostname)
Checks syntax of a domain name.
Definition misc.c:2028
ssh_path_expand_tilde
char * ssh_path_expand_tilde(const char *d)
Expand a directory starting with a tilde '~'.
Definition misc.c:1106
ssh_timeout_update
int ssh_timeout_update(struct ssh_timestamp *ts, int timeout)
updates a timeout value so it reflects the remaining time
Definition misc.c:1549
ssh_dir_writeable
int ssh_dir_writeable(const char *path)
Check if the given path is an existing directory and that is accessible for writing.
Definition misc.c:308
ssh_iterator
Definition misc.h:48
ssh_list
Definition misc.h:43
ssh_session_struct
Definition session.h:127
ssh_timestamp
Definition misc.h:53