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add oid and bitstring parsing and formatting to "generic" format string

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routines, test them in t10.c
This commit is contained in:
leitner
2011-04-28 21:33:10 +00:00
parent e04ca78ff8
commit dae3ea8024
12 changed files with 181 additions and 50 deletions
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39
t10.c
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@@ -41,6 +41,7 @@ void printasn1(const char* buf,const char* max) {
case INTEGER: printf("INTEGER"); break;
case BIT_STRING: printf("BIT_STRING"); break;
case OCTET_STRING: printf("OCTET_STRING"); break;
case OBJECT_IDENTIFIER: printf("OBJECT_IDENTIFIER"); break;
case ENUMERATED: printf("ENUMERATED"); break;
case SEQUENCE_OF: printf("SEQUENCE_OF"); break;
case SET_OF: printf("SET_OF"); break;
@@ -68,11 +69,23 @@ void printasn1(const char* buf,const char* max) {
printf("%*s-> \"",indent,"");
for (i=0; i<len; ++i) {
if (buf[i]<' ')
printf("\\x%02x",buf[i]);
printf("\\x%02x",(unsigned char)(buf[i]));
else
putchar(buf[i]);
}
printf("\"\n");
} else if (tag==OBJECT_IDENTIFIER) {
struct oid o;
size_t mlen;
unsigned long fnord[100];
o.l=100;
o.a=fnord;
mlen=scan_asn1rawoid(buf,maxstack[sptr],o.a,&o.l);
if (mlen) {
printf("%*s-> ",indent,"");
for (i=0; i<o.l; ++i)
printf("%d%s",o.a[i],i+1==o.l?"\n":".");
}
}
}
@@ -96,11 +109,20 @@ void printasn1(const char* buf,const char* max) {
}
}
const unsigned long oid[]={1,2,840,113549,1};
const unsigned long oidlen = sizeof(oid) / sizeof(oid[0]);
main() {
char buf[1024];
int l,i;
struct oid o;
struct string B;
B.s="\xfe\x74";
B.l=8+6;
o.l=oidlen;
o.a=oid;
byte_zero(buf,1024);
l=fmt_asn1generic(buf,"a{is}",8,23,"fnord");
l=fmt_asn1generic(buf,"a{isbo}",8,23,"fnord",&B,&o);
printf("formatted into %d bytes\n",l);
{
printf("-> ");
@@ -117,13 +139,24 @@ main() {
unsigned long a2;
unsigned long b;
struct string c;
l=scan_asn1generic(buf,buf+l,"a{!is}",&a,&a2,&b,&c);
struct oid d;
struct string e;
l=scan_asn1generic(buf,buf+l,"a{!isbo}",&a,&a2,&b,&c,&e,&d);
printf("%lu\n",l);
if (l) {
printf("got application tag %d (should be 8)\n",a);
printf("got sequence length %d\n",a2);
printf("got integer %d (should be 23)\n",b);
printf("got string \"%.*s\" (should be \"fnord\")\n",c.l,c.s);
printf("got bitstring length %d: ",e.l);
for (i=0; i*8<e.l; ++i)
printf("%02x",(unsigned char)e.s[i]);
printf("\n");
printf("got oid ");
for (i=0; i<d.l; ++i)
printf("%d%s",d.a[i],i+1<d.l?".":" (should be 1.2.840.113549.1)\n");
}
}
}