From 06eb3b1a8cbbab569b330a45a5e29dce9de273cd Mon Sep 17 00:00:00 2001 From: iceman1001 Date: Tue, 22 Mar 2016 08:40:20 +0100 Subject: [PATCH] coverity fixes for my latest changes. Forgot some breaks in 7816 annotation, and presco used an uninitalized char array. --- armsrc/crapto1.h | 8 ++++---- client/cmdlfpresco.c | 26 ++++++++++++++------------ include/common.h | 1 - 3 files changed, 18 insertions(+), 17 deletions(-) diff --git a/armsrc/crapto1.h b/armsrc/crapto1.h index 7ea6fa28..4d5fec0f 100644 --- a/armsrc/crapto1.h +++ b/armsrc/crapto1.h @@ -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 } diff --git a/client/cmdlfpresco.c b/client/cmdlfpresco.c index d6a32448..51756c4f 100644 --- a/client/cmdlfpresco.c +++ b/client/cmdlfpresco.c @@ -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) { - - // 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; + for (int index =0; index < strlen(id); ++index) { - // 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; } } diff --git a/include/common.h b/include/common.h index 3d063351..2a67bd87 100644 --- a/include/common.h +++ b/include/common.h @@ -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 -- 2.39.2