RfidResearchGroup/proxmark3
1
1
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2024-12-28 19:31:19 +08:00
Code Issues Projects Releases Packages Wiki Activity

coverity fixes for my latest changes.

Browse source 
Forgot some breaks in 7816 annotation, and  presco used an uninitalized char array.
This commit is contained in:
iceman1001 2016-03-22 08:40:20 +01:00
parent f3782960fa
commit 06eb3b1a8c
3 changed files with 18 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
armsrc/crapto1.h
View file

@ -70,9 +70,9 @@ static inline int parity(uint32_t x)
return BIT(0x6996, x & 0xf);
#else
__asm__( "movl %1, %%eax\n"
"mov %%ax, %%cx\n"
"shrl $0x10, %%eax\n"
"xor %%ax, %%cx\n"
"mov %%ax, %%cx\n"
"shrl $0x10, %%eax\n"
"xor %%ax, %%cx\n"
"xor %%ch, %%cl\n"
"setpo %%al\n"
"movzx %%al, %0\n": "=r"(x) : "r"(x): "eax","ecx");
@ -88,7 +88,7 @@ static inline int filter(uint32_t const x)
f |= 0x3c8b0 >> (x >> 8 & 0xf) & 4;
f |= 0x1e458 >> (x >> 12 & 0xf) & 2;
f |= 0x0d938 >> (x >> 16 & 0xf) & 1;
return BIT(0xEC57E80A, f);
return BIT(0xEC57E80A, 0xf);
}
#ifdef __cplusplus
}

26
client/cmdlfpresco.c
View file

@ -45,6 +45,8 @@ int GetWiegandFromPresco(const char *Cmd, uint32_t *sitecode, uint32_t *usercode
uint8_t cmdp = 0;
char id[11];
int stringlen = 0;
memset(id, 0x00, sizeof(id));
while(param_getchar(Cmd, cmdp) != 0x00) {
switch(param_getchar(Cmd, cmdp)) {
case 'h':
@ -81,19 +83,19 @@ int GetWiegandFromPresco(const char *Cmd, uint32_t *sitecode, uint32_t *usercode
if(errors) return -1;
if (!hex) {
for (int index =0; index < strlen(id); ++index) {
for (int index =0; index < strlen(id); ++index) {
// Get value from number string.
if ( id[index] == '*' ) val = 10;
if ( id[index] == '#') val = 11;
if ( id[index] >= 0x30 && id[index] <= 0x39 )
val = id[index] - 0x30;
*fullcode += val;
// last digit is only added, not multipled.
if ( index < strlen(id)-1 )
*fullcode *= 12;
// Get value from number string.
if ( id[index] == '*' ) val = 10;
if ( id[index] == '#') val = 11;
if ( id[index] >= 0x30 && id[index] <= 0x39 )
val = id[index] - 0x30;
*fullcode += val;
// last digit is only added, not multipled.
if ( index < strlen(id)-1 )
*fullcode *= 12;
}
}

1
include/common.h
View file

@ -29,6 +29,5 @@ typedef unsigned char byte_t;
#ifndef ABS
# define ABS(a) ( ((a)<0) ? -(a) : (a) )
#endif
#define RAMFUNC __attribute((long_call, section(".ramfunc")))
#endif