int
main(int argc, char **argv)
{
const char *pubkeyfile = NULL, *seckeyfile = NULL, *msgfile = NULL,
*xfile = NULL;
char xfilebuf[1024];
const char *ident = NULL;
int ch;
int embedded = 0;
int quiet = 0;
int v1compat = 0;
const char *password = NULL;
opt_binary binary = { 0 };
enum {
NONE,
DECRYPT,
ENCRYPT,
GENERATE,
SIGN,
VERIFY
} verb = NONE;
while ((ch = getopt(argc, argv, "1CDEGSVbei:m:np:qs:x:")) != -1) {
switch (ch) {
case '1':
v1compat = 1;
break;
case 'D':
if (verb)
usage(NULL);
verb = DECRYPT;
break;
case 'E':
if (verb)
usage(NULL);
verb = ENCRYPT;
break;
case 'G':
if (verb)
usage(NULL);
verb = GENERATE;
break;
case 'S':
if (verb)
usage(NULL);
verb = SIGN;
break;
case 'V':
if (verb)
usage(NULL);
verb = VERIFY;
break;
case 'b':
binary.v = 1;
break;
case 'e':
embedded = 1;
break;
case 'i':
ident = optarg;
break;
case 'm':
msgfile = optarg;
break;
case 'n':
password = "";
break;
case 'p':
pubkeyfile = optarg;
break;
case 'q':
quiet = 1;
break;
case 's':
seckeyfile = optarg;
break;
case 'x':
xfile = optarg;
break;
default:
usage(NULL);
break;
}
}
argc -= optind;
argv += optind;
if (argc != 0)
usage(NULL);
switch (verb) {
case ENCRYPT:
case DECRYPT:
if (!msgfile)
usage("You must specify a message-file");
if (!xfile) {
if (strcmp(msgfile, "-") == 0)
usage("must specify encfile with - message");
if (snprintf(xfilebuf, sizeof(xfilebuf), "%s.enc",
msgfile) >= sizeof(xfilebuf))
errx(1, "path too long");
xfile = xfilebuf;
}
break;
case SIGN:
case VERIFY:
if (!xfile && msgfile) {
if (strcmp(msgfile, "-") == 0)
usage("must specify sigfile with - message");
if (snprintf(xfilebuf, sizeof(xfilebuf), "%s.sig",
msgfile) >= sizeof(xfilebuf))
errx(1, "path too long");
xfile = xfilebuf;
}
break;
default:
break;
}
switch (verb) {
case DECRYPT:
decrypt(pubkeyfile, seckeyfile, msgfile, xfile);
break;
case ENCRYPT:
if (seckeyfile && (!pubkeyfile && !ident))
usage("specify a pubkey or ident");
if (pubkeyfile || ident) {
if (v1compat)
v1pubencrypt(pubkeyfile, ident, seckeyfile, msgfile, xfile, binary);
else
pubencrypt(pubkeyfile, ident, seckeyfile, msgfile, xfile, binary);
} else
symencrypt(msgfile, xfile, binary);
break;
case GENERATE:
if (!ident && !(ident= getenv("USER")))
ident = "unknown";
/* can specify none, but not only one */
if ((!pubkeyfile && seckeyfile) ||
(!seckeyfile && pubkeyfile))
usage("must specify pubkey and seckey");
/* if none, create ~/.reop */
if (!pubkeyfile && !seckeyfile) {
char buf[1024];
const char *home;
if (!(home = getenv("HOME")))
errx(1, "can't find HOME");
snprintf(buf, sizeof(buf), "%s/.reop", home);
if (mkdir(buf, 0700) == -1 && errno != EEXIST)
err(1, "Unable to create ~/.reop");
}
generate(pubkeyfile, seckeyfile, ident, password);
break;
case SIGN:
if (!msgfile)
usage("must specify message");
signfile(seckeyfile, msgfile, xfile, embedded);
break;
case VERIFY:
if (!msgfile && !xfile)
usage("must specify message or sigfile");
if (msgfile)
verifysimple(pubkeyfile, msgfile, xfile, quiet);
else
verifyembedded(pubkeyfile, xfile, quiet);
break;
default:
usage(NULL);
break;
}
return 0;
}
int
main(int argc, char **argv)
{
const char *pubkeyfile = NULL, *seckeyfile = NULL, *msgfile = NULL,
*xfile = NULL;
char xfilebuf[1024];
const char *ident = NULL;
int ch, rounds;
int embedded = 0;
int quiet = 0;
enum {
NONE,
DECRYPT,
EKPUBENCRYPT,
ENCRYPT,
GENERATE,
SIGN,
VERIFY
} verb = NONE;
rounds = 42;
while ((ch = getopt(argc, argv, "ACDEGSVei:m:np:qs:x:")) != -1) {
switch (ch) {
case 'A':
if (verb)
usage(NULL);
verb = EKPUBENCRYPT;
break;
case 'D':
if (verb)
usage(NULL);
verb = DECRYPT;
break;
case 'E':
if (verb)
usage(NULL);
verb = ENCRYPT;
break;
case 'G':
if (verb)
usage(NULL);
verb = GENERATE;
break;
case 'S':
if (verb)
usage(NULL);
verb = SIGN;
break;
case 'V':
if (verb)
usage(NULL);
verb = VERIFY;
break;
case 'e':
embedded = 1;
break;
case 'i':
ident = optarg;
break;
case 'm':
msgfile = optarg;
break;
case 'n':
rounds = 0;
break;
case 'p':
pubkeyfile = optarg;
break;
case 'q':
quiet = 1;
break;
case 's':
seckeyfile = optarg;
break;
case 'x':
xfile = optarg;
break;
default:
usage(NULL);
break;
}
}
argc -= optind;
argv += optind;
if (argc != 0)
usage(NULL);
switch (verb) {
case EKPUBENCRYPT:
case ENCRYPT:
case DECRYPT:
if (!msgfile)
usage("need msgfile");
if (!xfile) {
if (strcmp(msgfile, "-") == 0)
usage("must specify encfile with - message");
if (snprintf(xfilebuf, sizeof(xfilebuf), "%s.enc",
msgfile) >= sizeof(xfilebuf))
errx(1, "path too long");
xfile = xfilebuf;
}
break;
case SIGN:
case VERIFY:
if (!xfile && msgfile) {
if (strcmp(msgfile, "-") == 0)
usage("must specify sigfile with - message");
if (snprintf(xfilebuf, sizeof(xfilebuf), "%s.sig",
msgfile) >= sizeof(xfilebuf))
errx(1, "path too long");
xfile = xfilebuf;
}
break;
default:
break;
}
switch (verb) {
case DECRYPT:
decrypt(pubkeyfile, seckeyfile, msgfile, xfile);
break;
case EKPUBENCRYPT:
ekpubencrypt(pubkeyfile, ident, msgfile, xfile);
break;
case ENCRYPT:
if (seckeyfile && (!pubkeyfile && !ident))
usage("specify a pubkey or ident");
if (pubkeyfile || ident)
pubencrypt(pubkeyfile, ident, seckeyfile, msgfile, xfile);
else
symencrypt(msgfile, xfile, rounds);
break;
case GENERATE:
if (!ident && !(ident= getenv("USER")))
ident = "unknown";
/* can specify none, but not only one */
if ((!pubkeyfile && seckeyfile) ||
(!seckeyfile && pubkeyfile))
usage("must specify pubkey and seckey");
generate(pubkeyfile, seckeyfile, rounds, ident);
break;
case SIGN:
if (!msgfile)
usage("must specify message");
sign(seckeyfile, msgfile, xfile, embedded);
break;
case VERIFY:
if (!msgfile && !xfile)
usage("must specify message or sigfile");
if (msgfile)
verifysimple(pubkeyfile, msgfile, xfile, quiet);
else
verifyembedded(pubkeyfile, xfile, quiet);
break;
default:
usage(NULL);
break;
}
return 0;
}