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src/tftp.h
64 строки
1 KB
Samuel Thibault
tftp: cleanup sessions remaining at slirp shutdown
25 апр 2024, 16:45
25 апр 2024, 16:45
4de210b
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/* SPDX-License-Identifier: BSD-3-Clause */ /* tftp defines */ #ifndef SLIRP_TFTP_H #define SLIRP_TFTP_H #include "util.h" #define TFTP_SESSIONS_MAX 20 #define TFTP_SERVER 69 #define TFTP_RRQ 1 #define TFTP_WRQ 2 #define TFTP_DATA 3 #define TFTP_ACK 4 #define TFTP_ERROR 5 #define TFTP_OACK 6 #define TFTP_FILENAME_MAX 512 #define TFTP_BLOCKSIZE_MAX 1428 SLIRP_PACKED_BEGIN struct tftphdr { struct udphdr udp; uint16_t tp_op; } SLIRP_PACKED_END; SLIRP_PACKED_BEGIN struct tftp_t { struct tftphdr hdr; union { struct { uint16_t tp_block_nr; uint8_t tp_buf[TFTP_BLOCKSIZE_MAX]; } tp_data; struct { uint16_t tp_error_code; uint8_t tp_msg[TFTP_BLOCKSIZE_MAX]; } tp_error; char tp_buf[TFTP_BLOCKSIZE_MAX + 2]; } x; } SLIRP_PACKED_END; struct tftp_session { Slirp *slirp; char *filename; int fd; uint16_t block_size; struct sockaddr_storage client_addr; uint16_t client_port; uint32_t block_nr; int timestamp; }; /* Process TFTP packet coming from the guest */ void tftp_input(struct sockaddr_storage *srcsas, struct mbuf *m); /* Clear remaining sessions */ void tftp_cleanup(Slirp *slirp); #endif