int
EncryptType(char *type, char *mode)
{
Encryptions *ep;
int ret = 0;
if (isprefix(type, "help") || isprefix(type, "?")) {
printf("Usage: encrypt type <type> [input|output]\n");
encrypt_list_types();
} else if ((ep = (Encryptions *)genget(type, (char **)encryptions,
sizeof(Encryptions))) == 0) {
printf("%s: invalid encryption type\n", type);
} else if (Ambiguous((char **)ep)) {
printf("Ambiguous type '%s'\n", type);
} else {
if ((mode == 0) || isprefix(mode, "input")) {
decrypt_mode = ep->type;
i_wont_support_decrypt &= ~typemask(ep->type);
ret = 1;
}
if ((mode == 0) || isprefix(mode, "output")) {
encrypt_mode = ep->type;
i_wont_support_encrypt &= ~typemask(ep->type);
ret = 1;
}
if (ret == 0)
printf("%s: invalid encryption mode\n", mode);
}
return(ret);
}
int
EncryptDisable(char *type, char *mode)
{
Encryptions *ep;
int ret = 0;
if (isprefix(type, "help") || isprefix(type, "?")) {
printf("Usage: encrypt disable <type> [input|output]\n");
encrypt_list_types();
} else if ((ep = (Encryptions *)genget(type, (char **)encryptions,
sizeof(Encryptions))) == NULL) {
printf("%s: invalid encryption type\n", type);
} else if (Ambiguous((char **)ep)) {
printf("Ambiguous type '%s'\n", type);
} else {
if ((mode == NULL) || (isprefix(mode, "input") ? 1 : 0)) {
if (decrypt_mode == ep->type)
EncryptStopInput();
i_wont_support_decrypt |= typemask(ep->type);
ret = 1;
}
if ((mode == NULL) || (isprefix(mode, "output"))) {
if (encrypt_mode == ep->type)
EncryptStopOutput();
i_wont_support_encrypt |= typemask(ep->type);
ret = 1;
}
if (ret == 0)
printf("%s: invalid encryption mode\n", mode);
}
return(ret);
}
int
EncryptEnable(char *type, char *mode)
{
if (isprefix(type, "help") || isprefix(type, "?")) {
printf("Usage: encrypt enable <type> [input|output]\n");
encrypt_list_types();
return(0);
}
if (EncryptType(type, mode))
return(EncryptStart(mode));
return(0);
}
