From 03006df71d07c88b1fd9f01839336801207b7ec4 Mon Sep 17 00:00:00 2001 From: hackbard Date: Thu, 23 Mar 2006 15:23:22 +0000 Subject: [PATCH] first beta - patch sent to librfid list --- gemtag/gemtag.c | 62 +++++++++++++++++++++---------------------------- gemtag/gemtag.h | 8 ++++++- 2 files changed, 34 insertions(+), 36 deletions(-) diff --git a/gemtag/gemtag.c b/gemtag/gemtag.c index 121170f..e674d49 100644 --- a/gemtag/gemtag.c +++ b/gemtag/gemtag.c @@ -1,5 +1,6 @@ /* - * (C) 2006 by Frank Zirkelbach + * (C) 2006 by Harald Welte + * Frank Zirkelbach * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 @@ -25,21 +26,20 @@ #include "gemtag.h" int asciidump(unsigned char *data,int len) { + int i; for(i=0;i0x19)&&(data[i]<0x7f)) printf("%c",data[i]); - else printf("."); - //printf("\n"); + printf("%c",(data[i]>0x19)&&(data[i]<0x7f)?data[i]:'.'); return 0; } int hexdump(unsigned char *data,int len) { + int i; for(i=0;iserial,4); + buf[5]=0; + buf[6]=sector; + ret=gemtag_transceive(gh,GEMTAG_CMD_PICC_AUTH_E2,buf,7,buf,&len); + if(ret) return -AUTH_E2_FAILED; + + return 0; } @@ -302,8 +318,9 @@ int gemtag_write16(struct gemtag_handle *gh,int sector,unsigned char *data) { buf[0]=sector; memcpy(buf+1,data,16); ret=gemtag_transceive(gh,GEMTAG_CMD_PICC_WRITE,buf,17,buf,&len); + if(ret) return -WRITE_FAILED; - return ret; + return 0; } int gemtag_select_picc(struct gemtag_handle *gh) { @@ -342,14 +359,6 @@ int main(int argc, char **argv) { gh->caps|=GEMTAG_CAP_CRC; //gh->caps|=GEMTAG_CAP_VERB_TRANSMIT; - /* - printf("Device:\n"); - gemtag_transceive(gh,GEMTAG_CMD_GET_FW_VERSION, - NULL,0,buf,&buflen); - asciidump(buf,buflen); - printf("\n"); - */ - if(gemtag_select_picc(gh)) { printf("no card found!\n"); return -NO_PICC; @@ -360,7 +369,7 @@ int main(int argc, char **argv) { gh->serial[3],gh->serial[2],gh->serial[1],gh->serial[0]); i=0; while(!gemtag_auth_mifare_key(gh,key6,i)) { - gemtag_read16(gh,i,buf); + ret=gemtag_read16(gh,i,buf); printf("%02x: ",i); hexdump(buf,16); printf(" | "); @@ -370,23 +379,6 @@ int main(int argc, char **argv) { } printf("\n"); - /* try to write some data */ - printf("write some data to the sector 04:\n"); - for(i=0;i<16;i++) buf[i]=i; - i=4; - ret=gemtag_auth_mifare_key(gh,key6,i); - printf("return = %d\n",ret); - if(ret) printf("auth failed!\n"); - ret=gemtag_write16(gh,i,buf); - if(ret) printf("write failed!\n"); - printf("return = %d\n",ret); - ret=gemtag_read16(gh,i,buf); - if(ret) printf("read failed!\n"); - printf("return = %d\n",ret); - printf("%02x: ",i); - hexdump(buf,16); - printf("\n"); - gemtag_close(gh); return 0; diff --git a/gemtag/gemtag.h b/gemtag/gemtag.h index dfdfa64..e5c24bf 100644 --- a/gemtag/gemtag.h +++ b/gemtag/gemtag.h @@ -1,5 +1,6 @@ /* - * (C) 2006 by Frank Zirkelbach + * (C) 2006 by Harald Welte + * Frank Zirkelbach * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 @@ -47,6 +48,8 @@ struct gemtag_cmd_hdr { #define WRITE_FAILED 0x07 #define NO_PICC 0x08 #define PICC_SELECT_ERROR 0x09 +#define LOAD_E2_FAILED 0x0a +#define AUTH_E2_FAILED 0x0b /* gemtag commands */ @@ -122,6 +125,7 @@ struct gemtag_cmd_hdr { /* function prototypes */ + int asciidump(unsigned char *data,int len); int hexdump(unsigned char *data,int len); struct usb_device *find_device(unsigned short vendor,unsigned short device); @@ -133,6 +137,8 @@ struct gemtag_handle *gemtag_open(void); int gemtag_close(struct gemtag_handle *gh); int gemtag_transform_mifare_key(struct gemtag_handle *gh, unsigned char *key6,unsigned char *key12); +int gemtag_auth_e2(struct gemtag_handle *gh,unsigned char authmode, + int sector,unsigned char *key6); int gemtag_auth_mifare_key(struct gemtag_handle *gh, unsigned char *key6,int sector); int gemtag_read16(struct gemtag_handle *gh,int sector,unsigned char *data); -- 2.20.1