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author | epoch <epoch@hacking.allowed.ano> | 2014-08-01 03:42:47 +0000 |
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committer | epoch <epoch@hacking.allowed.ano> | 2014-08-01 03:42:47 +0000 |
commit | 705a318216c041eefeb2d993dcecb40fc84f21aa (patch) | |
tree | 12eaaf522bfeb453c2baff2843fc55367f3b6c49 /contrib | |
parent | 06b3d5ef08c4ff3638a53160b99b963bc1e7e309 (diff) | |
download | resdb-705a318216c041eefeb2d993dcecb40fc84f21aa.tar.gz resdb-705a318216c041eefeb2d993dcecb40fc84f21aa.zip |
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Diffstat (limited to 'contrib')
-rw-r--r-- | contrib/marc/marc.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/contrib/marc/marc.c b/contrib/marc/marc.c new file mode 100644 index 0000000..4c736ec --- /dev/null +++ b/contrib/marc/marc.c @@ -0,0 +1,195 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +//run this on the file from a wget http://marc.ucis.ano/?get=0&version=3 + +#define M_TYPE_NULL 0 +#define M_TYPE_STRING 1 +#define M_TYPE_LIST 2 +#define M_TYPE_DICT 3 + +char *type[]={"NULL","string","list","dict"}; + +int indent; + +void pi() { + int i; + for(i=0;i<indent;i++) { + printf("%s"," "); + } +} + +int marc_decode(unsigned char *data,int from_index,int length) { + char *s; + unsigned int cur_len=0; + unsigned char m_type=data[from_index]; + from_index++; + char *key; + if(!length) return printf("dafuq? no length???"),-1; + pi(); + printf("length: %d\n",length); + pi(); + switch(m_type) { + case M_TYPE_NULL: + printf("[null]\n"); + break; + case M_TYPE_STRING: + s=malloc(length); + memcpy(s,data+from_index,length-1); + s[length-1]=0; + printf("string: %s\n",s); + break; + case M_TYPE_LIST: + printf("list:\n"); + indent++; + while(from_index < length) { + cur_len=data[from_index+3]+(data[from_index+2]<<1)+(data[from_index+1]<<2)+(data[from_index+0]<<3); + from_index+=4; + marc_decode(data,from_index,cur_len); + from_index+=cur_len; + } + indent--; + break; + case M_TYPE_DICT: + printf("dict:\n"); + indent++; + while(from_index < length) { + cur_len=data[from_index]; + pi(); + printf("len: %d\n",cur_len); + from_index++; + if(cur_len == 0) break; + key=malloc(cur_len+1); + memcpy(key,data+from_index,cur_len); + key[cur_len]=0; + from_index+=cur_len; + pi(); + printf("key: %s\n",key,cur_len); + cur_len=data[from_index+3]+(data[from_index+2]<<1)+(data[from_index+1]<<2)+(data[from_index+0]<<3); + from_index+=4; + indent++; + marc_decode(data,from_index,cur_len); + indent--; + from_index+=cur_len; + } + indent--; + break; + default: + printf("oh fuck. dahell is this!?!? %d\n",m_type); + break; + } + return 0; +} + +void printhex(unsigned char *data,int length) { + for(;length;data++,length--) { + printf("%02x",*data); + } +} + +void update_message_decode(unsigned char *data,int from_index,int length) { + printf("update_message version: %d len: %d\n",data[from_index],length); + if(data[from_index] != 2) return printf("this program only handles version 2 update messages.\n"); + from_index++; + char pkey[32]; + int i; + char *label; + unsigned int thedate=0; + unsigned char label_len=0,ext_type,num_extensions; + short ext_data_len; + memcpy(pkey,data+from_index,32); + from_index+=32; + char sig[64]; + memcpy(sig,data+from_index,64); + from_index+=64; + printf("pkey: 0x"); + printhex(pkey,32); + printf("\n"); + printf("sig: 0x"); + printhex(sig,64); + printf("\n"); + //for(;from_index < length;) { + //timestamp, 4 bytes + thedate=(data[from_index]<<24)+(data[from_index+1]<<16)+(data[from_index+2]<<8)+(data[from_index+3]); + printf("thedate: %d\n",thedate); + from_index+=4; + //label length, 1 byte + label_len=data[from_index]; + from_index++; + printf("label len: %d\n",label_len); + label=malloc(label_len); + memcpy(label,data+from_index,label_len); + label[label_len]=0; + printf("label: "); + printhex(label,label_len); + printf("\n"); + from_index+=label_len; + num_extensions=data[from_index]; + printf("num of extensions: %d\n",num_extensions); + from_index++; + for(i=0;i<num_extensions;i++) { + ext_type=data[from_index]; + from_index++; + ext_data_len=(data[from_index]<<8) + (data[from_index+1]); + from_index+=2; + from_index+=ext_data_len;//skip this for now... fuck it. + printf(" ext %d type: %d len: %d\n",i,ext_type,ext_data_len); + if(ext_type != 1 && ext_type != 4) return printf("fuckfuckfuckfuck...\n"),0; + } + marc_decode(data+from_index,0,length); + //} + return; +} + +void interactive_http_sync(unsigned char *data,int from_index,int length) { + int i; + unsigned int update_length; + unsigned char ext_type; + unsigned short ext_data_len; + unsigned char version=data[from_index]; + from_index++; + unsigned char num_extensions=data[from_index]; + from_index++; + printf("interactive_http_sync version: %d\n",version); + printf("num_extensions: %d\n",num_extensions); + for(i=0;i<num_extensions;i++) { + ext_type=data[from_index]; + from_index++; + ext_data_len=(data[from_index]<<8)+data[from_index+1]; + from_index+=2; + printf("extension: type:%d data_len:%d\n",ext_type,ext_data_len); + from_index+=ext_data_len; + } + for(;from_index < length;) { + printf("from_index: %d\n",from_index); + update_length=(data[from_index]<<24)+(data[from_index+1]<<16)+(data[from_index+2]<<8)+(data[from_index+3]); + from_index+=4; + if(update_length == 0) return printf("ohfuck.\n"); + update_message_decode(data,from_index,update_length); + from_index += update_length; + } +} + +int main(int argc,char *argv[]) { + indent=0; + if(argc < 2) return printf("usage: %s filename\n",argv[0]),0; + FILE *fp=fopen(argv[1],"r"); + fseek(fp,0L,SEEK_END); + long len=ftell(fp); + fseek(fp,0L,SEEK_SET); + unsigned char *db; + db=malloc(len+1); + if((int)db == -1) return printf("failed to malloc(%d)",len),0; + fread(db,1,len,fp); + interactive_http_sync(db,0,len); +/* + marc_decode("\x01\x41\x41\x41",0,4); + printf("\n"); + marc_decode("\x02\x00\x00\x00\x04\x01\x41\x41\x41\x00\x00\x00\x04\x01\x42\x41\x42",0,17); + printf("\n"); +// \x04BLAH == KLAH dafuq? + marc_decode("\x03\x04\x42LAH\x00\x00\x00\x05\x01""foOo\x04NoPe\x00\x00\x00\x07\x01wtfftw",0,31); +*/ + return 0; +} |