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#include <u.h>
#include <libc.h>
#include <bio.h>
#include <mp.h>
#include <libsec.h>
void
usage(void)
{
fprint(2, "auth/pemdecode section [file]\n");
exits("usage");
}
void
main(int argc, char **argv)
{
char *buf, *cbuf;
int fd;
long n, tot;
int len;
char *tag, *file;
ARGBEGIN{
default:
usage();
}ARGEND
if(argc != 1 && argc != 2)
usage();
tag = argv[0];
if(argc == 2)
file = argv[1];
else
file = "/dev/stdin";
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;
}
buf[tot] = 0;
cbuf = malloc(2*tot);
if(cbuf == nil)
sysfatal("malloc: %r");
len = enc64(cbuf, 2*tot, (uchar*)buf, tot);
print("-----BEGIN %s-----\n", tag);
while(len > 0){
print("%.64s\n", cbuf);
cbuf += 64;
len -= 64;
}
print("-----END %s-----\n", tag);
exits(0);
}
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