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121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/*-
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* Copyright (c) 2012 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Edward Tomasz Napierala under sponsorship
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* from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef ISCSID_H
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#define ISCSID_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <iscsi_ioctl.h>
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#define DEFAULT_PIDFILE "/var/run/iscsid.pid"
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#define CONN_DIGEST_NONE 0
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#define CONN_DIGEST_CRC32C 1
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#define CONN_MUTUAL_CHALLENGE_LEN 1024
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struct connection {
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int conn_iscsi_fd;
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#ifndef ICL_KERNEL_PROXY
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int conn_socket;
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#endif
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unsigned int conn_session_id;
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struct iscsi_session_conf conn_conf;
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char conn_target_alias[ISCSI_ADDR_LEN];
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uint8_t conn_isid[6];
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uint32_t conn_statsn;
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int conn_header_digest;
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int conn_data_digest;
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bool conn_initial_r2t;
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bool conn_immediate_data;
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size_t conn_max_data_segment_length;
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size_t conn_max_burst_length;
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size_t conn_first_burst_length;
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char conn_mutual_challenge[CONN_MUTUAL_CHALLENGE_LEN];
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unsigned char conn_mutual_id;
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};
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struct pdu {
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struct connection *pdu_connection;
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struct iscsi_bhs *pdu_bhs;
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char *pdu_data;
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size_t pdu_data_len;
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};
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#define KEYS_MAX 1024
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struct keys {
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char *keys_names[KEYS_MAX];
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char *keys_values[KEYS_MAX];
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char *keys_data;
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size_t keys_data_len;
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};
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struct keys *keys_new(void);
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void keys_delete(struct keys *key);
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void keys_load(struct keys *keys, const struct pdu *pdu);
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void keys_save(struct keys *keys, struct pdu *pdu);
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const char *keys_find(struct keys *keys, const char *name);
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int keys_find_int(struct keys *keys, const char *name);
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void keys_add(struct keys *keys,
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const char *name, const char *value);
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void keys_add_int(struct keys *keys,
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const char *name, int value);
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struct pdu *pdu_new(struct connection *ic);
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struct pdu *pdu_new_response(struct pdu *request);
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void pdu_receive(struct pdu *request);
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void pdu_send(struct pdu *response);
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void pdu_delete(struct pdu *ip);
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void login(struct connection *ic);
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void discovery(struct connection *ic);
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void log_init(int level);
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void log_set_peer_name(const char *name);
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void log_set_peer_addr(const char *addr);
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void log_err(int, const char *, ...)
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__dead2 __printf0like(2, 3);
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void log_errx(int, const char *, ...)
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__dead2 __printf0like(2, 3);
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void log_warn(const char *, ...) __printf0like(1, 2);
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void log_warnx(const char *, ...) __printflike(1, 2);
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void log_debugx(const char *, ...) __printf0like(1, 2);
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char *checked_strdup(const char *);
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bool timed_out(void);
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void fail(const struct connection *, const char *);
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#endif /* !ISCSID_H */
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