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#include <u.h>
#include <libc.h>
#include <mp.h>
#include <libsec.h>
void
usage(void)
{
fprint(2, "auth/asn1dump [file]\n");
exits("usage");
}
void
main(int argc, char *argv[])
{
int fd, n, tot;
uchar *buf;
char *file;
fmtinstall('B', mpfmt);
fmtinstall('H', encodefmt);
fmtinstall('[', encodefmt);
ARGBEGIN{
default:
usage();
}ARGEND
if(argc != 0 && argc != 1)
usage();
if(argc == 1)
file = argv[0];
else
file = "#d/0";
if((fd = open(file, OREAD)) < 0)
sysfatal("open %s: %r", file);
buf = nil;
tot = 0;
for(;;){
buf = realloc(buf, tot+8192);
if(buf == nil)
sysfatal("realloc: %r");
if((n = read(fd, buf+tot, 8192)) < 0)
sysfatal("read: %r");
if(n == 0)
break;
tot += n;
}
asn1dump(buf, tot);
X509dump(buf, tot);
exits(nil);
}
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