srs2.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <stdarg.h>
#include <time.h>
#include <sys/types.h>
#include <sys/time.h>
#include <string.h>
#include "srs2.h"
#include "sha1.h"
#include <alloca.h>

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Macros
#define	STRINGP(s)   ((s != NULL) && (*(s) != '\0'))
#define	X(e, s)   if (code == e) return s;
#define	SRS_PARAM_DEFINE(n, t)
#define	SRS_TIME_PRECISION   (60 * 60 * 24) /* One day */
#define	SRS_TIME_BASEBITS   5 /* 2^5 = 32 = strlen(CHARS) */
#define	SRS_TIME_SIZE   2
#define	SRS_TIME_SLOTS   (1<<(SRS_TIME_BASEBITS<<(SRS_TIME_SIZE-1)))

Functions
int	srs_set_malloc (srs_malloc_t m, srs_realloc_t r, srs_free_t f)
const char *	srs_strerror (int code)
srs_t *	srs_new ()
void	srs_init (srs_t *srs)
void	srs_free (srs_t *srs)
int	srs_add_secret (srs_t *srs, const char *secret)
const char *	srs_get_secret (srs_t *srs, int idx)
int	srs_set_separator (srs_t *srs, char value)
char	srs_get_separator (srs_t *srs)
int	srs_timestamp_create (srs_t *srs, char *buf, time_t now)
int	srs_timestamp_check (srs_t *srs, const char *stamp)
int	srs_hash_create (srs_t *srs, char *buf, int nargs,...)
int	srs_hash_check (srs_t *srs, char *hash, int nargs,...)
int	srs_compile_shortcut (srs_t *srs, char *buf, int buflen, char *sendhost, char *senduser, const char *aliashost)
int	srs_compile_guarded (srs_t *srs, char *buf, int buflen, char *sendhost, char *senduser, const char *aliashost)
int	srs_parse_shortcut (srs_t *srs, char *buf, int buflen, char *senduser)
int	srs_parse_guarded (srs_t *srs, char *buf, int buflen, char *senduser)
int	srs_forward (srs_t *srs, char *buf, int buflen, const char *sender, const char *alias)
int	srs_forward_alloc (srs_t *srs, char **sptr, const char *sender, const char *alias)
int	srs_reverse (srs_t *srs, char *buf, int buflen, const char *sender)
int	srs_reverse_alloc (srs_t *srs, char **sptr, const char *sender)

Variables
const char *	SRS_TIME_BASECHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"
const char *	SRS_HASH_BASECHARS

Macro Definition Documentation

SRS_PARAM_DEFINE

#define SRS_PARAM_DEFINE	(		n,
			t
	)

Value:

        int srs_set_ ## n (srs_t *srs, t value) { \
                srs->n = value; \
                return SRS_SUCCESS; \
        } \
        t srs_get_ ## n (srs_t *srs) { \
                return srs->n; \
        }

Definition at line 152 of file srs2.c.

SRS_TIME_BASEBITS

#define SRS_TIME_BASEBITS   5 /* 2^5 = 32 = strlen(CHARS) */

Definition at line 187 of file srs2.c.

SRS_TIME_PRECISION

#define SRS_TIME_PRECISION   (60 * 60 * 24) /* One day */

Definition at line 186 of file srs2.c.

SRS_TIME_SIZE

#define SRS_TIME_SIZE   2

Definition at line 191 of file srs2.c.

SRS_TIME_SLOTS

#define SRS_TIME_SLOTS   (1<<(SRS_TIME_BASEBITS<<(SRS_TIME_SIZE-1)))

Definition at line 192 of file srs2.c.

STRINGP

#define STRINGP

(

s

)

((s != NULL) && (*(s) != '\0'))

Definition at line 56 of file srs2.c.

X

#define X	(		e,
			s
	)		if (code == e) return s;

Definition at line 72 of file srs2.c.

Function Documentation

srs_add_secret()

int srs_add_secret	(	srs_t *	srs,
		const char *	secret
	)

Definition at line 137 of file srs2.c.

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srs_compile_guarded()

int srs_compile_guarded	(	srs_t *	srs,
		char *	buf,
		int	buflen,
		char *	sendhost,
		char *	senduser,
		const char *	aliashost
	)

Definition at line 392 of file srs2.c.

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srs_compile_shortcut()

int srs_compile_shortcut	(	srs_t *	srs,
		char *	buf,
		int	buflen,
		char *	sendhost,
		char *	senduser,
		const char *	aliashost
	)

Definition at line 348 of file srs2.c.

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srs_forward()

int srs_forward	(	srs_t *	srs,
		char *	buf,
		int	buflen,
		const char *	sender,
		const char *	alias
	)

Definition at line 528 of file srs2.c.

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srs_forward_alloc()

int srs_forward_alloc	(	srs_t *	srs,
		char **	sptr,
		const char *	sender,
		const char *	alias
	)

Definition at line 570 of file srs2.c.

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srs_free()

void srs_free

(

srs_t *

srs

)

Definition at line 126 of file srs2.c.

srs_get_secret()

const char * srs_get_secret	(	srs_t *	srs,
		int	idx
	)

Definition at line 145 of file srs2.c.

srs_get_separator()

char srs_get_separator

(

srs_t *

srs

)

Definition at line 169 of file srs2.c.

srs_hash_check()

int srs_hash_check	(	srs_t *	srs,
		char *	hash,
		int	nargs,
			...
	)

Definition at line 317 of file srs2.c.

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srs_hash_create()

int srs_hash_create	(	srs_t *	srs,
		char *	buf,
		int	nargs,
			...
	)

Definition at line 299 of file srs2.c.

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srs_init()

void srs_init

(

srs_t *

srs

)

Definition at line 114 of file srs2.c.

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srs_new()

srs_t * srs_new

(

)

Definition at line 107 of file srs2.c.

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srs_parse_guarded()

int srs_parse_guarded	(	srs_t *	srs,
		char *	buf,
		int	buflen,
		char *	senduser
	)

Definition at line 498 of file srs2.c.

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srs_parse_shortcut()

int srs_parse_shortcut	(	srs_t *	srs,
		char *	buf,
		int	buflen,
		char *	senduser
	)

Definition at line 460 of file srs2.c.

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srs_reverse()

int srs_reverse	(	srs_t *	srs,
		char *	buf,
		int	buflen,
		const char *	sender
	)

Definition at line 599 of file srs2.c.

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srs_reverse_alloc()

int srs_reverse_alloc	(	srs_t *	srs,
		char **	sptr,
		const char *	sender
	)

Definition at line 624 of file srs2.c.

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srs_set_malloc()

int srs_set_malloc	(	srs_malloc_t	m,
		srs_realloc_t	r,
		srs_free_t	f
	)

Definition at line 64 of file srs2.c.

srs_set_separator()

int srs_set_separator	(	srs_t *	srs,
		char	value
	)

Definition at line 161 of file srs2.c.

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srs_strerror()

const char * srs_strerror

(

int

code

)

Definition at line 74 of file srs2.c.

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srs_timestamp_check()

int srs_timestamp_check	(	srs_t *	srs,
		const char *	stamp
	)

Definition at line 204 of file srs2.c.

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srs_timestamp_create()

int srs_timestamp_create	(	srs_t *	srs,
		char *	buf,
		time_t	now
	)

Definition at line 194 of file srs2.c.

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Variable Documentation

SRS_HASH_BASECHARS

const char* SRS_HASH_BASECHARS

Initial value:

= "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
                                 "abcdefghijklmnopqrstuvwxyz"
                                 "0123456789+/"

Definition at line 232 of file srs2.c.

SRS_TIME_BASECHARS

const char* SRS_TIME_BASECHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"

Definition at line 190 of file srs2.c.