tftp.h File Reference

Functions to encode/decode TFTP packets. More...

#include <freeradius-devel/protocol/tftp/freeradius.internal.h>
#include <freeradius-devel/protocol/tftp/rfc1350.h>
#include <freeradius-devel/util/dbuff.h>

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Macros
#define	FR_TFTP_BLOCK_MAX_SIZE   65464
#define	FR_TFTP_BLOCK_MIN_SIZE   8
#define	FR_TFTP_DEFAULT_BLOCK_SIZE   1024
#define	FR_TFTP_HDR_LEN   (4) /* at least: 2-bytes opcode + 2-bytes */
#define	FR_TFTP_MAX_CODE   (FR_PACKET_TYPE_VALUE_DO_NOT_RESPOND+1)
#define	FR_TFTP_MAX_ERROR_CODE   (FR_ERROR_CODE_VALUE_NO_SUCH_USER+1)
#define	FR_TFTP_MAX_FILESIZE   (FR_TFTP_BLOCK_MAX_SIZE * FR_TFTP_BLOCK_MAX_SIZE)

Functions
int	fr_tftp_decode (TALLOC_CTX *ctx, fr_pair_list_t *out, uint8_t const *data, size_t data_len))
ssize_t	fr_tftp_encode (fr_dbuff_t *dbuff, fr_pair_list_t *vps))
void	fr_tftp_global_free (void)
int	fr_tftp_global_init (void)

Variables
char const *	fr_tftp_codes [FR_TFTP_MAX_CODE]
char const *	fr_tftp_error_codes [FR_TFTP_MAX_ERROR_CODE]

Detailed Description

Functions to encode/decode TFTP packets.

Id

3b323f24f463f53855b91bdfcc9da3a2365f0ab5

Author

Jorge Pereira jpere.nosp@m.ira@.nosp@m.freer.nosp@m.adiu.nosp@m.s.org

Copyright

2021 The FreeRADIUS server project.

2021 Network RADIUS SAS (legal.nosp@m.@net.nosp@m.workr.nosp@m.adiu.nosp@m.s.com)

Definition in file tftp.h.

Macro Definition Documentation

FR_TFTP_BLOCK_MAX_SIZE

#define FR_TFTP_BLOCK_MAX_SIZE   65464

Definition at line 73 of file tftp.h.

FR_TFTP_BLOCK_MIN_SIZE

#define FR_TFTP_BLOCK_MIN_SIZE   8

Definition at line 72 of file tftp.h.

FR_TFTP_DEFAULT_BLOCK_SIZE

#define FR_TFTP_DEFAULT_BLOCK_SIZE   1024

Definition at line 62 of file tftp.h.

FR_TFTP_HDR_LEN

#define FR_TFTP_HDR_LEN   (4) /* at least: 2-bytes opcode + 2-bytes */

Definition at line 41 of file tftp.h.

FR_TFTP_MAX_CODE

#define FR_TFTP_MAX_CODE   (FR_PACKET_TYPE_VALUE_DO_NOT_RESPOND+1)

Definition at line 39 of file tftp.h.

FR_TFTP_MAX_ERROR_CODE

#define FR_TFTP_MAX_ERROR_CODE   (FR_ERROR_CODE_VALUE_NO_SUCH_USER+1)

Definition at line 40 of file tftp.h.

FR_TFTP_MAX_FILESIZE

#define FR_TFTP_MAX_FILESIZE   (FR_TFTP_BLOCK_MAX_SIZE * FR_TFTP_BLOCK_MAX_SIZE)

Definition at line 80 of file tftp.h.

Function Documentation

fr_tftp_decode()

int fr_tftp_decode	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	out,
		uint8_t const *	data,
		size_t	data_len
	)

2 bytes 2 bytes

| Opcode | Block # |

Figure 5-3: ACK packet

2 bytes 2 bytes string 1 byte

| Opcode | ErrorCode | ErrMsg | 0 |

Figure 5-4: ERROR packet

Definition at line 74 of file decode.c.

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fr_tftp_encode()

ssize_t fr_tftp_encode	(	fr_dbuff_t *	dbuff,
		fr_pair_list_t *	vps
	)

2 bytes 2 bytes

| Opcode | Block # |

Figure 5-3: ACK packet

2 bytes 2 bytes string 1 byte

| Opcode | ErrorCode | ErrMsg | 0 |

Figure 5-4: ERROR packet

Definition at line 75 of file encode.c.

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fr_tftp_global_free()

void fr_tftp_global_free

(

void

)

Definition at line 114 of file base.c.

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fr_tftp_global_init()

int fr_tftp_global_init

(

void

)

Definition at line 90 of file base.c.

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Variable Documentation

fr_tftp_codes

char const* fr_tftp_codes[FR_TFTP_MAX_CODE]

extern

Definition at line 71 of file base.c.

fr_tftp_error_codes

char const* fr_tftp_error_codes[FR_TFTP_MAX_ERROR_CODE]

extern

Definition at line 80 of file base.c.