1--TEST--
2PAM auth plugin
3--SKIPIF--
4<?php
5require_once('skipif.inc');
6require_once('connect.inc');
7
8if (!$link = @my_mysqli_connect($host, $user, $passwd, $db, $port, $socket)) {
9    die(sprintf("SKIP Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n",
10        $host, $user, $db, $port, $socket));
11}
12
13if ($link->server_version < 50500)
14    die(sprintf("SKIP Needs MySQL 5.5 or newer, found MySQL %s\n", $link->server_info));
15
16if (!$res = $link->query("SHOW PLUGINS"))
17    die(sprintf("SKIP [%d] %s\n", $link->errno, $link->error));
18
19$have_pam = false;
20while ($row = $res->fetch_assoc()) {
21    if (isset($row['Name']) && in_array($row['Name'], array('pam', 'authentication_pam', 'auth_pam_compat'))) {
22        $have_pam = $row['Name'];
23        break;
24    }
25}
26$res->close();
27
28if (!$have_pam)
29  die("SKIP Server PAM plugin not installed");
30
31if ($have_pam == 'pam') {
32    /* MariaDB - needs system variable pam_use_cleartext_plugin=ON to be set */
33    if (!$res = mysqli_query($link, 'SHOW GLOBAL VARIABLES LIKE "pam_use_cleartext_plugin"'))
34        die(sprintf("SKIP MariaDB probe of GLOBAL VARIABLES failed [%d] %s\n",
35                    mysqli_errno($link), mysqli_error($link)));
36    $pam_use_cleartext_plugin = mysqli_fetch_row($res);
37    mysqli_free_result($res);
38    if (!$pam_use_cleartext_plugin or $pam_use_cleartext_plugin[1]!='ON')
39        die("SKIP Server setting pam_use_cleartext_plugin!=ON");
40
41    $pam_service = file_get_contents('/etc/pam.d/mysql');
42} elseif ($have_pam == 'authentication_pam') {
43    /*
44       required MySQL syntax:
45       https://dev.mysql.com/doc/refman/8.0/en/pam-pluggable-authentication.html#pam-pluggable-authentication-usage
46    */
47    $have_pam .= " AS 'mysql-unix'";
48    $pam_service = file_get_contents('/etc/pam.d/mysql-unix');
49} else {
50    $pam_service = file_get_contents('/etc/pam.d/mysql');
51}
52$auth = 0;
53$account = 0;
54foreach (explode("\n", $pam_service) as $line)
55{
56    if (preg_match('/^auth/', $line)) {
57        $auth = 1;
58    } elseif (preg_match('/^account/', $line)) {
59        $account = 1;
60    }
61}
62if (!$auth) {
63    die("SKIP pam service file missing 'auth' directive");
64}
65if (!$account) {
66    die("SKIP pam service file missing 'account' directive");
67}
68
69if (!posix_getpwnam('pamtest')) {
70    die("SKIP no pamtest user");
71}
72/* Password of user 'pamtest' should be set to 'pamtest' */
73
74mysqli_query($link, 'DROP USER pamtest');
75mysqli_query($link, 'DROP USER pamtest@localhost');
76
77if (!mysqli_query($link, "CREATE USER pamtest@'%' IDENTIFIED WITH $have_pam") ||
78    !mysqli_query($link, "CREATE USER pamtest@'localhost' IDENTIFIED WITH $have_pam")) {
79    printf("skip Cannot create second DB user [%d] %s", mysqli_errno($link), mysqli_error($link));
80    mysqli_close($link);
81    die("skip CREATE USER failed");
82}
83
84if (!$link->query("CREATE TABLE test (id INT)") || !$link->query("INSERT INTO test(id) VALUES (1)"))
85    die(sprintf("SKIP [%d] %s\n", $link->errno, $link->error));
86
87
88
89if (!mysqli_query($link, sprintf("GRANT SELECT ON TABLE %s.test TO pamtest@'%%'", $db)) ||
90    !mysqli_query($link, sprintf("GRANT SELECT ON TABLE %s.test TO pamtest@'localhost'", $db))) {
91    printf("skip Cannot grant SELECT to user [%d] %s", mysqli_errno($link), mysqli_error($link));
92    mysqli_close($link);
93    die("skip GRANT failed");
94}
95?>
96--INI--
97max_execution_time=240
98--FILE--
99<?php
100    require_once('connect.inc');
101    require_once('table.inc');
102
103    if (!$link = my_mysqli_connect($host, 'pamtest', 'pamtest', $db, $port, $socket)) {
104        printf("[001] Cannot connect to the server using host=%s, user=pamtest, passwd=pamtest dbname=%s, port=%s, socket=%s\n",
105            $host, $db, $port, $socket);
106    } else {
107
108      if (!$res = $link->query("SELECT id FROM test WHERE id = 1"))
109          printf("[002] [%d] %s\n", $link->errno, $link->error);
110
111      if (!$row = mysqli_fetch_assoc($res)) {
112          printf("[003] [%d] %s\n", $link->errno, $link->error);
113      }
114
115      if ($row['id'] != 1) {
116          printf("[004] Expecting 1 got %s/'%s'", gettype($row['id']), $row['id']);
117      }
118
119      $res->close();
120      $link->close();
121    }
122
123    print "done!";
124?>
125--CLEAN--
126<?php
127	require_once("clean_table.inc");
128	mysqli_query($link, 'DROP USER pamtest');
129	mysqli_query($link, 'DROP USER pamtest@localhost');
130?>
131--EXPECTF--
132done!
133