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modified bfg

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owein 2019-10-07 17:02:43 +02:00
parent ed9d8f1516
commit b09e39f98d
2 changed files with 29 additions and 4 deletions
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30
bfg.c
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@ -52,6 +52,7 @@ static int32_t add_single_char(char ch, char flags, int32_t* crs_len) {
// note that we check for -x .:.:ab but not for -x .:.:ba // note that we check for -x .:.:ab but not for -x .:.:ba
// //
int32_t bf_init(char *arg) { int32_t bf_init(char *arg) {
bf_options.rain = 0;
int32_t i = 0; int32_t i = 0;
int32_t crs_len = 0; int32_t crs_len = 0;
char flags = 0; char flags = 0;
@ -189,8 +190,17 @@ uint64_t bf_get_pcount() {
return foo; return foo;
} }
int accu(int value)
{
int i = 0;
for(int a=1; a<=value; ++a)
{
i+=a+1;
}
return i;
}
char *bf_next() { char *bf_next(_Bool rainy) {
int32_t i, pos = bf_options.current - 1; int32_t i, pos = bf_options.current - 1;
if (bf_options.current > bf_options.to) if (bf_options.current > bf_options.to)
@ -201,8 +211,22 @@ char *bf_next() {
return NULL; return NULL;
} }
for (i = 0; i < bf_options.current; i++) if(rainy)
bf_options.ptr[i] = bf_options.crs[bf_options.state[i]]; {
for (i = 0; i < bf_options.current; i++){
bf_options.ptr[i] = bf_options.crs[(bf_options.state[i]+bf_options.rain)%bf_options.crs_len];
bf_options.rain += i+1;
}
if(bf_options.crs_len%10 == 0)
bf_options.rain-=accu(bf_options.current)-2;
else if(bf_options.crs_len%2 == 0)
bf_options.rain-=accu(bf_options.current)-4;
else if(bf_options.crs_len%2)
bf_options.rain-=accu(bf_options.current)-1;
}
else
for (i = 0; i < bf_options.current; i++)
bf_options.ptr[i] = bf_options.crs[bf_options.state[i]];
bf_options.ptr[bf_options.current] = 0; bf_options.ptr[bf_options.current] = 0;
if (debug) { if (debug) {

3
bfg.h
View file

@ -41,6 +41,7 @@ typedef struct {
char *crs; /* internal representation of charset */ char *crs; /* internal representation of charset */
char *ptr; /* ptr to the last generated password */ char *ptr; /* ptr to the last generated password */
uint32_t disable_symbols; uint32_t disable_symbols;
unsigned long rain; //accumulator for the rain//
} bf_option; } bf_option;
extern bf_option bf_options; extern bf_option bf_options;
@ -48,7 +49,7 @@ extern bf_option bf_options;
#ifdef HAVE_MATH_H #ifdef HAVE_MATH_H
extern uint64_t bf_get_pcount(); extern uint64_t bf_get_pcount();
extern int32_t bf_init(char *arg); extern int32_t bf_init(char *arg);
extern char *bf_next(); extern char *bf_next(_Bool rainy);
#endif #endif
#endif #endif