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|
extern crate iptables;
use std::panic;
#[test]
fn test_new() {
nat(iptables::new(false).unwrap(), "NATNEW", "NATNEW2");
filter(iptables::new(false).unwrap(), "FILTERNEW");
}
#[test]
fn test_old() {
nat(
iptables::IPTables {
cmd: "iptables",
has_wait: false,
has_check: false,
is_numeric: false,
},
"NATOLD",
"NATOLD2",
);
filter(
iptables::IPTables {
cmd: "iptables",
has_wait: false,
has_check: false,
is_numeric: false,
},
"FILTEROLD",
);
}
fn nat(ipt: iptables::IPTables, old_name: &str, new_name: &str) {
assert!(ipt.new_chain("nat", old_name).is_ok());
assert!(ipt.rename_chain("nat", old_name, new_name).is_ok());
assert!(ipt.append("nat", new_name, "-j ACCEPT").is_ok());
assert!(ipt.exists("nat", new_name, "-j ACCEPT").unwrap());
assert!(ipt.delete("nat", new_name, "-j ACCEPT").is_ok());
assert!(ipt.insert("nat", new_name, "-j ACCEPT", 1).is_ok());
assert!(ipt
.append(
"nat",
new_name,
"-m comment --comment \"double-quoted comment\" -j ACCEPT"
)
.is_ok(),);
assert!(ipt
.exists(
"nat",
new_name,
"-m comment --comment \"double-quoted comment\" -j ACCEPT"
)
.unwrap(),);
assert!(ipt
.append(
"nat",
new_name,
"-m comment --comment 'single-quoted comment' -j ACCEPT"
)
.is_ok(),);
// The following `exists`-check has to use double-quotes, since the iptables output (if it
// doesn't have the check-functionality) will use double quotes.
assert!(ipt
.exists(
"nat",
new_name,
"-m comment --comment \"single-quoted comment\" -j ACCEPT"
)
.unwrap(),);
assert!(ipt.flush_chain("nat", new_name).is_ok());
assert!(!ipt.exists("nat", new_name, "-j ACCEPT").unwrap());
assert!(ipt
.execute("nat", &format!("-A {} -j ACCEPT", new_name))
.is_ok());
assert!(ipt.exists("nat", new_name, "-j ACCEPT").unwrap());
assert!(ipt.flush_chain("nat", new_name).is_ok());
assert!(ipt.chain_exists("nat", new_name).unwrap());
assert!(ipt.delete_chain("nat", new_name).is_ok());
assert!(!ipt.chain_exists("nat", new_name).unwrap());
}
fn filter(ipt: iptables::IPTables, name: &str) {
assert!(ipt.new_chain("filter", name).is_ok());
assert!(ipt.insert("filter", name, "-j ACCEPT", 1).is_ok());
assert!(ipt.replace("filter", name, "-j DROP", 1).is_ok());
assert!(ipt.exists("filter", name, "-j DROP").unwrap());
assert!(!ipt.exists("filter", name, "-j ACCEPT").unwrap());
assert!(ipt.delete("filter", name, "-j DROP").is_ok());
assert_eq!(ipt.list("filter", name).unwrap().len(), 1);
assert!(ipt
.execute("filter", &format!("-A {} -j ACCEPT", name))
.is_ok());
assert!(ipt.exists("filter", name, "-j ACCEPT").unwrap());
assert!(ipt
.append(
"filter",
name,
"-m comment --comment \"double-quoted comment\" -j ACCEPT"
)
.is_ok(),);
assert!(ipt
.exists(
"filter",
name,
"-m comment --comment \"double-quoted comment\" -j ACCEPT"
)
.unwrap());
assert!(ipt
.append(
"filter",
name,
"-m comment --comment 'single-quoted comment' -j ACCEPT"
)
.is_ok(),);
// The following `exists`-check has to use double-quotes, since the iptables output (if it
// doesn't have the check-functionality) will use double quotes.
assert!(ipt
.exists(
"filter",
name,
"-m comment --comment \"single-quoted comment\" -j ACCEPT"
)
.unwrap(),);
assert!(ipt.flush_chain("filter", name).is_ok());
assert!(ipt.chain_exists("filter", name).unwrap());
assert!(ipt.delete_chain("filter", name).is_ok());
assert!(!ipt.chain_exists("filter", name).unwrap());
}
#[test]
fn test_get_policy() {
let ipt = iptables::new(false).unwrap();
// filter
assert!(ipt.get_policy("filter", "INPUT").is_ok());
assert!(ipt.get_policy("filter", "FORWARD").is_ok());
assert!(ipt.get_policy("filter", "OUTPUT").is_ok());
// mangle
assert!(ipt.get_policy("mangle", "PREROUTING").is_ok());
assert!(ipt.get_policy("mangle", "OUTPUT").is_ok());
assert!(ipt.get_policy("mangle", "INPUT").is_ok());
assert!(ipt.get_policy("mangle", "FORWARD").is_ok());
assert!(ipt.get_policy("mangle", "POSTROUTING").is_ok());
// nat
assert!(ipt.get_policy("nat", "PREROUTING").is_ok());
assert!(ipt.get_policy("nat", "POSTROUTING").is_ok());
assert!(ipt.get_policy("nat", "OUTPUT").is_ok());
// raw
assert!(ipt.get_policy("raw", "PREROUTING").is_ok());
assert!(ipt.get_policy("raw", "OUTPUT").is_ok());
// security
assert!(ipt.get_policy("security", "INPUT").is_ok());
assert!(ipt.get_policy("security", "OUTPUT").is_ok());
assert!(ipt.get_policy("security", "FORWARD").is_ok());
// Wrong table
assert!(ipt.get_policy("not_existant", "_").is_err());
// Wrong chain
assert!(ipt.get_policy("filter", "_").is_err());
}
#[test]
#[ignore]
fn test_set_policy() {
let ipt = iptables::new(false).unwrap();
// Since we can only set policies on built-in chains, we have to retain the policy of the chain
// before setting it, to restore it to its original state.
let current_policy = ipt.get_policy("mangle", "FORWARD").unwrap();
// If the following assertions fail or any other panic occurs, we still have to ensure not to
// change the policy for the user.
let result = panic::catch_unwind(|| {
assert!(ipt.set_policy("mangle", "FORWARD", "DROP").is_ok());
assert_eq!(ipt.get_policy("mangle", "FORWARD").unwrap(), "DROP");
});
// Reset the policy to the retained value
ipt.set_policy("mangle", "FORWARD", ¤t_policy)
.unwrap();
// "Rethrow" a potential caught panic
assert!(result.is_ok());
}
|
