132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
#ifndef _IPACCESS_H
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#define _IPACCESS_H
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#include "e1_input.h"
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#include "gsm_subscriber.h"
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#include <osmocom/core/linuxlist.h>
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#define IPA_TCP_PORT_OML 3002
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#define IPA_TCP_PORT_RSL 3003
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struct ipaccess_head {
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u_int16_t len; /* network byte order */
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u_int8_t proto;
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u_int8_t data[0];
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} __attribute__ ((packed));
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struct ipaccess_head_ext {
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uint8_t proto;
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uint8_t data[0];
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} __attribute__ ((packed));
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enum ipaccess_proto {
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IPAC_PROTO_RSL = 0x00,
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IPAC_PROTO_IPACCESS = 0xfe,
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IPAC_PROTO_SCCP = 0xfd,
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IPAC_PROTO_OML = 0xff,
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/* OpenBSC extensions */
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IPAC_PROTO_OSMO = 0xee,
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IPAC_PROTO_MGCP_OLD = 0xfc,
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};
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enum ipaccess_msgtype {
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IPAC_MSGT_PING = 0x00,
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IPAC_MSGT_PONG = 0x01,
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IPAC_MSGT_ID_GET = 0x04,
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IPAC_MSGT_ID_RESP = 0x05,
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IPAC_MSGT_ID_ACK = 0x06,
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/* OpenBSC extension */
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IPAC_MSGT_SCCP_OLD = 0xff,
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};
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enum ipaccess_id_tags {
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IPAC_IDTAG_SERNR = 0x00,
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IPAC_IDTAG_UNITNAME = 0x01,
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IPAC_IDTAG_LOCATION1 = 0x02,
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IPAC_IDTAG_LOCATION2 = 0x03,
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IPAC_IDTAG_EQUIPVERS = 0x04,
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IPAC_IDTAG_SWVERSION = 0x05,
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IPAC_IDTAG_IPADDR = 0x06,
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IPAC_IDTAG_MACADDR = 0x07,
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IPAC_IDTAG_UNIT = 0x08,
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};
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struct ipac_msgt_sccp_state {
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uint8_t src_ref[3];
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uint8_t dst_ref[3];
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uint8_t trans_id;
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uint8_t invoke_id;
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char imsi[GSM_IMSI_LENGTH];
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} __attribute__((packed));
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int ipaccess_connect(struct e1inp_line *line, struct sockaddr_in *sa);
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/*
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* methods for parsing and sending a message
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*/
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int ipaccess_rcvmsg_base(struct msgb *msg, struct bsc_fd *bfd);
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struct msgb *ipaccess_read_msg(struct bsc_fd *bfd, int *error);
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void ipaccess_prepend_header(struct msgb *msg, int proto);
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int ipaccess_send_id_ack(int fd);
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int ipaccess_send_id_req(int fd);
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int ipaccess_idtag_parse(struct tlv_parsed *dec, unsigned char *buf, int len);
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int ipaccess_drop_oml(struct gsm_bts *bts);
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int ipaccess_drop_rsl(struct gsm_bts_trx *trx);
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/*
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* Firmware specific header
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*/
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struct sdp_firmware {
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char magic[4];
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char more_magic[2];
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u_int16_t more_more_magic;
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u_int32_t header_length;
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u_int32_t file_length;
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char sw_part[20];
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char text1[64];
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char time[12];
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char date[14];
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char text2[10];
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char version[20];
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u_int16_t table_offset;
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/* stuff i don't know */
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} __attribute__((packed));
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struct sdp_header_entry {
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u_int16_t something1;
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char text1[64];
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char time[12];
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char date[14];
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char text2[10];
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char version[20];
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u_int32_t length;
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u_int32_t addr1;
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u_int32_t addr2;
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u_int32_t start;
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} __attribute__((packed));
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struct sdp_header_item {
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struct sdp_header_entry header_entry;
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struct llist_head entry;
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off_t absolute_offset;
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};
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struct sdp_header {
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struct sdp_firmware firmware_info;
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/* for more_magic a list of sdp_header_entry_list */
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struct llist_head header_list;
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/* the entry of the sdp_header */
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struct llist_head entry;
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};
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int ipaccess_analyze_file(int fd, const unsigned int st_size, const unsigned base_offset, struct llist_head *list);
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#endif /* _IPACCESS_H */
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