12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273 |
- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- #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;
- int32_t 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 = "#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;
- }
- buf[tot] = 0;
- cbuf = malloc(2*tot);
- if(cbuf == nil)
- sysfatal("malloc: %r");
- len = enc64(cbuf, 2*tot, (unsigned char*)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);
- }
|