/* * This file is part of the SSH Library * * Copyright (c) 2009 by Aris Adamantiadis * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef MISC_H_ #define MISC_H_ /* in misc.c */ /* gets the user home dir. */ char *ssh_get_user_home_dir(void); char *ssh_get_local_username(void); int ssh_file_readaccess_ok(const char *file); char *ssh_path_expand_tilde(const char *d); char *ssh_path_expand_escape(ssh_session session, const char *s); int ssh_analyze_banner(ssh_session session, int server, int *ssh1, int *ssh2); int ssh_is_ipaddr_v4(const char *str); int ssh_is_ipaddr(const char *str); /* list processing */ struct ssh_list { struct ssh_iterator *root; struct ssh_iterator *end; }; struct ssh_iterator { struct ssh_iterator *next; const void *data; }; struct ssh_timestamp { long seconds; long useconds; }; struct ssh_list *ssh_list_new(void); void ssh_list_free(struct ssh_list *list); struct ssh_iterator *ssh_list_get_iterator(const struct ssh_list *list); struct ssh_iterator *ssh_list_find(const struct ssh_list *list, void *value); int ssh_list_append(struct ssh_list *list, const void *data); int ssh_list_prepend(struct ssh_list *list, const void *data); void ssh_list_remove(struct ssh_list *list, struct ssh_iterator *iterator); char *ssh_lowercase(const char* str); char *ssh_hostport(const char *host, int port); const void *_ssh_list_pop_head(struct ssh_list *list); #define ssh_iterator_value(type, iterator)\ ((type)((iterator)->data)) /** @brief fetch the head element of a list and remove it from list * @param type type of the element to return * @param list the ssh_list to use * @return the first element of the list, or NULL if the list is empty */ #define ssh_list_pop_head(type, ssh_list)\ ((type)_ssh_list_pop_head(ssh_list)) int ssh_make_milliseconds(long sec, long usec); void ssh_timestamp_init(struct ssh_timestamp *ts); int ssh_timeout_elapsed(struct ssh_timestamp *ts, int timeout); int ssh_timeout_update(struct ssh_timestamp *ts, int timeout); int ssh_match_group(const char *group, const char *object); #endif /* MISC_H_ */