#include "server_setup.h"
#include "tftp.h"
#include <setjmp.h>
#include "curlx.h"
#include "getpart.h"
#include "util.h"
#include "server_sockaddr.h"
#include "memdebug.h"

Include dependency graph for tftpd.c:

Go to the source code of this file.

Classes
struct	bf

struct	errmsg

struct	formats

struct	testcase

union	tftphdr_storage_t

Macros
#define	BF_ALLOC -3 /* alloc'd but not yet filled */

#define	BF_FREE -2 /* free */

#define	DEFAULT_LOGFILE "log/tftpd.log"

#define	DEFAULT_PORT 8999 /* UDP */

#define	ENABLE_CURLX_PRINTF

#define	MIN(x, y) ((x)<(y)?(x):(y))

#define	opcode_ACK 4

#define	opcode_DATA 3

#define	opcode_ERROR 5

#define	opcode_RRQ 1

#define	opcode_WRQ 2

#define	PKTSIZE (SEGSIZE + 4) /* SEGSIZE defined in arpa/tftp.h */

#define	REQUEST_DUMP "log/server.input"

#define	siginterrupt(x, y) do {} while(0)

#define	TIMEOUT 5

Typedefs
typedef RETSIGTYPE(*	SIGHANDLER_T) (int)

Functions
static int	do_tftp (struct testcase test, struct tftphdr tp, ssize_t size)

static RETSIGTYPE	exit_signal_handler (int signum)

static void	install_signal_handlers (void)

int	main (int argc, char **argv)

static void	nak (int error)

static int	parse_servercmd (struct testcase *req)

static struct tftphdr *	r_init (void)

static void	read_ahead (struct testcase *test, int convert)

static int	readit (struct testcase test, struct tftphdr *dpp, int convert)

static void	recvtftp (struct testcase test, struct formats pf)

static void	restore_signal_handlers (void)

static struct tftphdr *	rw_init (int)

static void	sendtftp (struct testcase test, struct formats pf)

static int	synchnet (curl_socket_t)

static int	validate_access (struct testcase test, const char fname, int mode)

static struct tftphdr *	w_init (void)

static ssize_t	write_behind (struct testcase *test, int convert)

static int	writeit (struct testcase test, struct tftphdr volatile *dpp, int ct, int convert)

Variables
static tftphdr_storage_t	ackbuf

static struct bf	bfs [2]

static tftphdr_storage_t	buf

static int	current

static struct errmsg	errmsgs []

static volatile int	exit_signal = 0

static struct formats	formata []

static srvr_sockaddr_union_t	from

static curl_socklen_t	fromlen

SIG_ATOMIC_T	got_exit_signal = 0

static const char *	ipv_inuse = "IPv4"

static unsigned int	maxtimeout = 5 * TIMEOUT

static int	newline = 0

static int	nextone

static curl_socket_t	peer = CURL_SOCKET_BAD

static const char *	pidname = ".tftpd.pid"

static int	prevchar = -1

const char *	serverlogfile = DEFAULT_LOGFILE

static int	serverlogslocked = 0

static unsigned int	timeout

static int	wrotepidfile = 0

Macro Definition Documentation

◆ BF_ALLOC

#define BF_ALLOC -3 /* alloc'd but not yet filled */

Definition at line 141 of file tftpd.c.

◆ BF_FREE

#define BF_FREE -2 /* free */

Definition at line 142 of file tftpd.c.

◆ DEFAULT_LOGFILE

#define DEFAULT_LOGFILE "log/tftpd.log"

Definition at line 156 of file tftpd.c.

◆ DEFAULT_PORT

#define DEFAULT_PORT 8999 /* UDP */

Definition at line 161 of file tftpd.c.

◆ ENABLE_CURLX_PRINTF

#define ENABLE_CURLX_PRINTF

Definition at line 86 of file tftpd.c.

◆ MIN

#define MIN	(	x,
		y
	)	((x)<(y)?(x):(y))

Definition at line 153 of file tftpd.c.

◆ opcode_ACK

#define opcode_ACK 4

Definition at line 147 of file tftpd.c.

◆ opcode_DATA

#define opcode_DATA 3

Definition at line 146 of file tftpd.c.

◆ opcode_ERROR

#define opcode_ERROR 5

Definition at line 148 of file tftpd.c.

◆ opcode_RRQ

#define opcode_RRQ 1

Definition at line 144 of file tftpd.c.

◆ opcode_WRQ

#define opcode_WRQ 2

Definition at line 145 of file tftpd.c.

◆ PKTSIZE

#define PKTSIZE (SEGSIZE + 4) /* SEGSIZE defined in arpa/tftp.h */

Definition at line 102 of file tftpd.c.

◆ REQUEST_DUMP

#define REQUEST_DUMP "log/server.input"

Definition at line 159 of file tftpd.c.

◆ siginterrupt

#define siginterrupt	(	x,
		y
	)	do {} while(0)

Definition at line 226 of file tftpd.c.

◆ TIMEOUT

#define TIMEOUT 5

Definition at line 150 of file tftpd.c.

Typedef Documentation

◆ SIGHANDLER_T

typedef RETSIGTYPE(* SIGHANDLER_T) (int)

Definition at line 231 of file tftpd.c.

Function Documentation

◆ do_tftp()

static int do_tftp	(	struct testcase *	test,
		struct tftphdr *	tp,
		ssize_t	size
	)

static

Definition at line 952 of file tftpd.c.

◆ exit_signal_handler()

static RETSIGTYPE exit_signal_handler ( int signum )

static

Definition at line 355 of file tftpd.c.

◆ install_signal_handlers()

static void install_signal_handlers ( void )

static

Definition at line 366 of file tftpd.c.

◆ main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 667 of file tftpd.c.

◆ nak()

static void nak ( int error )

static

Definition at line 1410 of file tftpd.c.

◆ parse_servercmd()

static int parse_servercmd ( struct testcase * req )

static

Definition at line 1069 of file tftpd.c.

◆ r_init()

static struct tftphdr * r_init ( void )

static

Definition at line 450 of file tftpd.c.

◆ read_ahead()

static void read_ahead	(	struct testcase *	test,
		int	convert
	)

static

Definition at line 478 of file tftpd.c.

◆ readit()

static int readit	(	struct testcase *	test,
		struct tftphdr **	dpp,
		int	convert
	)

static

Definition at line 458 of file tftpd.c.

◆ recvtftp()

static void recvtftp	(	struct testcase *	test,
		struct formats *	pf
	)

static

Definition at line 1314 of file tftpd.c.

◆ restore_signal_handlers()

static void restore_signal_handlers ( void )

static

Definition at line 406 of file tftpd.c.

◆ rw_init()

static struct tftphdr * rw_init ( int x )

static

Definition at line 434 of file tftpd.c.

◆ sendtftp()

static void sendtftp	(	struct testcase *	test,
		struct formats *	pf
	)

static

Definition at line 1236 of file tftpd.c.

◆ synchnet()

static int synchnet ( curl_socket_t f )

static

Definition at line 629 of file tftpd.c.

◆ validate_access()

static int validate_access	(	struct testcase *	test,
		const char *	fname,
		int	mode
	)

static

Definition at line 1137 of file tftpd.c.

◆ w_init()

static struct tftphdr * w_init ( void )

static

Definition at line 445 of file tftpd.c.

◆ write_behind()

static ssize_t write_behind	(	struct testcase *	test,
		int	convert
	)

static

Definition at line 556 of file tftpd.c.

◆ writeit()

static int writeit	(	struct testcase *	test,
		struct tftphdr volatile	dpp,
		int	ct,
		int	convert
	)

static

Definition at line 538 of file tftpd.c.

Variable Documentation

◆ ackbuf

tftphdr_storage_t ackbuf

static

Definition at line 195 of file tftpd.c.

◆ bfs

struct bf bfs[2]

static

Definition at line 185 of file tftpd.c.

◆ buf

tftphdr_storage_t buf

static

Definition at line 194 of file tftpd.c.

◆ current

int current

static

Definition at line 188 of file tftpd.c.

◆ errmsgs

struct errmsg errmsgs[]

static

Initial value:

= {
  { EUNDEF,       "Undefined error code" },
  { ENOTFOUND,    "File not found" },
  { EACCESS,      "Access violation" },
  { ENOSPACE,     "Disk full or allocation exceeded" },
  { EBADOP,       "Illegal TFTP operation" },
  { EBADID,       "Unknown transfer ID" },
  { EEXISTS,      "File already exists" },
  { ENOUSER,      "No such user" },
  { -1,           0 }
}

Definition at line 167 of file tftpd.c.

◆ exit_signal

volatile int exit_signal = 0

static

Definition at line 259 of file tftpd.c.

◆ formata

struct formats formata[]

static

Initial value:

= {
  { "netascii",   1 },
  { "octet",      0 },
  { NULL,         0 }
}

Definition at line 179 of file tftpd.c.

◆ from

srvr_sockaddr_union_t from

static

Definition at line 197 of file tftpd.c.

◆ fromlen

curl_socklen_t fromlen

static

Definition at line 198 of file tftpd.c.

◆ got_exit_signal

SIG_ATOMIC_T got_exit_signal = 0

Definition at line 255 of file tftpd.c.

◆ ipv_inuse

const char* ipv_inuse = "IPv4"

static

Definition at line 208 of file tftpd.c.

◆ maxtimeout

unsigned int maxtimeout = 5 * TIMEOUT

static

Definition at line 203 of file tftpd.c.

◆ newline

int newline = 0

static

Definition at line 191 of file tftpd.c.

◆ nextone

int nextone

static

Definition at line 187 of file tftpd.c.

◆ peer

curl_socket_t peer = CURL_SOCKET_BAD

static

Definition at line 200 of file tftpd.c.

◆ pidname

const char* pidname = ".tftpd.pid"

static

Definition at line 211 of file tftpd.c.

◆ prevchar

int prevchar = -1

static

Definition at line 192 of file tftpd.c.

◆ serverlogfile

const char* serverlogfile = DEFAULT_LOGFILE

Definition at line 210 of file tftpd.c.

◆ serverlogslocked

int serverlogslocked = 0

static

Definition at line 212 of file tftpd.c.

◆ timeout

unsigned int timeout

static

Definition at line 202 of file tftpd.c.

◆ wrotepidfile

int wrotepidfile = 0

static

Definition at line 213 of file tftpd.c.

Classes

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ BF_ALLOC

◆ BF_FREE

◆ DEFAULT_LOGFILE

◆ DEFAULT_PORT

◆ ENABLE_CURLX_PRINTF

◆ MIN

◆ opcode_ACK

◆ opcode_DATA

◆ opcode_ERROR

◆ opcode_RRQ

◆ opcode_WRQ

◆ PKTSIZE

◆ REQUEST_DUMP

◆ siginterrupt

◆ TIMEOUT

Typedef Documentation

◆ SIGHANDLER_T

Function Documentation

◆ do_tftp()

◆ exit_signal_handler()

◆ install_signal_handlers()

◆ main()

◆ nak()

◆ parse_servercmd()

◆ r_init()

◆ read_ahead()

◆ readit()

◆ recvtftp()

◆ restore_signal_handlers()

◆ rw_init()

◆ sendtftp()

◆ synchnet()

◆ validate_access()

◆ w_init()

◆ write_behind()

◆ writeit()

Variable Documentation

◆ ackbuf

◆ bfs

◆ buf

◆ current

◆ errmsgs

◆ exit_signal

◆ formata

◆ from

◆ fromlen

◆ got_exit_signal

◆ ipv_inuse

◆ maxtimeout

◆ newline

◆ nextone

◆ peer

◆ pidname

◆ prevchar

◆ serverlogfile

◆ serverlogslocked

◆ timeout

◆ wrotepidfile