lib/tdb2/test/run-capabilities.c

   1 #include <ccan/failtest/failtest_override.h>
   2 #include "tdb2-source.h"
   3 #include "tap-interface.h"
   4 #include "logging.h"
   5 #include "layout.h"
   6 #include "failtest_helper.h"
   7 #include <stdarg.h>
   8
   9 static size_t len_of(bool breaks_check, bool breaks_write, bool breaks_open)
  10 {
  11         size_t len = 0;
  12         if (breaks_check)
  13                 len += 8;
  14         if (breaks_write)
  15                 len += 16;
  16         if (breaks_open)
  17                 len += 32;
  18         return len;
  19 }
  20
  21 /* Creates a TDB with various capabilities. */
  22 static void create_tdb(const char *name,
  23                        unsigned int cap,
  24                        bool breaks_check,
  25                        bool breaks_write,
  26                        bool breaks_open, ...)
  27 {
  28         TDB_DATA key, data;
  29         va_list ap;
  30         struct tdb_layout *layout;
  31         struct tdb_context *tdb;
  32         int fd;
  33
  34         key = tdb_mkdata("Hello", 5);
  35         data = tdb_mkdata("world", 5);
  36
  37         /* Create a TDB with some data, and some capabilities */
  38         layout = new_tdb_layout();
  39         tdb_layout_add_freetable(layout);
  40         tdb_layout_add_used(layout, key, data, 6);
  41         tdb_layout_add_free(layout, 80, 0);
  42         tdb_layout_add_capability(layout, cap,
  43                                   breaks_write, breaks_check, breaks_open,
  44                                   len_of(breaks_check, breaks_write, breaks_open));
  45
  46         va_start(ap, breaks_open);
  47         while ((cap = va_arg(ap, int)) != 0) {
  48                 breaks_check = va_arg(ap, int);
  49                 breaks_write = va_arg(ap, int);
  50                 breaks_open = va_arg(ap, int);
  51
  52                 key.dsize--;
  53                 tdb_layout_add_used(layout, key, data, 11 - key.dsize);
  54                 tdb_layout_add_free(layout, 80, 0);
  55                 tdb_layout_add_capability(layout, cap,
  56                                           breaks_write, breaks_check,
  57                                           breaks_open,
  58                                           len_of(breaks_check, breaks_write,
  59                                                  breaks_open));
  60         }
  61         va_end(ap);
  62
  63         /* We open-code this, because we need to use the failtest write. */
  64         tdb = tdb_layout_get(layout, failtest_free, &tap_log_attr);
  65
  66         fd = open(name, O_RDWR|O_TRUNC|O_CREAT, 0600);
  67         if (fd < 0)
  68                 err(1, "opening %s for writing", name);
  69         if (write(fd, tdb->file->map_ptr, tdb->file->map_size)
  70             != tdb->file->map_size)
  71                 err(1, "writing %s", name);
  72         close(fd);
  73         tdb_close(tdb);
  74         tdb_layout_free(layout);
  75 }
  76
  77 /* Note all the "goto out" early exits: they're to shorten failtest time. */
  78 int main(int argc, char *argv[])
  79 {
  80         struct tdb_context *tdb;
  81         char *summary;
  82
  83         failtest_init(argc, argv);
  84         failtest_hook = block_repeat_failures;
  85         failtest_exit_check = exit_check_log;
  86         plan_tests(60);
  87
  88         failtest_suppress = true;
  89         /* Capability says you can ignore it? */
  90         create_tdb("run-capabilities.tdb", 1, false, false, false, 0);
  91
  92         failtest_suppress = false;
  93         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
  94                        &tap_log_attr);
  95         failtest_suppress = true;
  96         if (!ok1(tdb))
  97                 goto out;
  98         ok1(tap_log_messages == 0);
  99         ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
 100         ok1(tap_log_messages == 0);
 101         tdb_close(tdb);
 102
 103         /* Two capabilitues say you can ignore them? */
 104         create_tdb("run-capabilities.tdb",
 105                    1, false, false, false,
 106                    2, false, false, false, 0);
 107
 108         failtest_suppress = false;
 109         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
 110                        &tap_log_attr);
 111         failtest_suppress = true;
 112         if (!ok1(tdb))
 113                 goto out;
 114         ok1(tap_log_messages == 0);
 115         ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
 116         ok1(tap_log_messages == 0);
 117         ok1(tdb_summary(tdb, 0, &summary) == TDB_SUCCESS);
 118         ok1(strstr(summary, "Capability 1\n"));
 119         free(summary);
 120         tdb_close(tdb);
 121
 122         /* Capability says you can't check. */
 123         create_tdb("run-capabilities.tdb",
 124                    1, false, false, false,
 125                    2, true, false, false, 0);
 126
 127         failtest_suppress = false;
 128         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
 129                        &tap_log_attr);
 130         failtest_suppress = true;
 131         if (!ok1(tdb))
 132                 goto out;
 133         ok1(tap_log_messages == 0);
 134         ok1(tdb_get_flags(tdb) & TDB_CANT_CHECK);
 135         ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
 136         /* We expect a warning! */
 137         ok1(tap_log_messages == 1);
 138         ok1(strstr(log_last, "capabilit"));
 139         ok1(tdb_summary(tdb, 0, &summary) == TDB_SUCCESS);
 140         ok1(strstr(summary, "Capability 1\n"));
 141         ok1(strstr(summary, "Capability 2 (uncheckable)\n"));
 142         free(summary);
 143         tdb_close(tdb);
 144
 145         /* Capability says you can't write. */
 146         create_tdb("run-capabilities.tdb",
 147                    1, false, false, false,
 148                    2, false, true, false, 0);
 149
 150         failtest_suppress = false;
 151         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
 152                        &tap_log_attr);
 153         failtest_suppress = true;
 154         /* We expect a message. */
 155         ok1(!tdb);
 156         if (!ok1(tap_log_messages == 2))
 157                 goto out;
 158         if (!ok1(strstr(log_last, "unknown")))
 159                 goto out;
 160         ok1(strstr(log_last, "write"));
 161
 162         /* We can open it read-only though! */
 163         failtest_suppress = false;
 164         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDONLY, 0,
 165                        &tap_log_attr);
 166         failtest_suppress = true;
 167         if (!ok1(tdb))
 168                 goto out;
 169         ok1(tap_log_messages == 2);
 170         ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
 171         ok1(tap_log_messages == 2);
 172         ok1(tdb_summary(tdb, 0, &summary) == TDB_SUCCESS);
 173         ok1(strstr(summary, "Capability 1\n"));
 174         ok1(strstr(summary, "Capability 2 (read-only)\n"));
 175         free(summary);
 176         tdb_close(tdb);
 177
 178         /* Capability says you can't open. */
 179         create_tdb("run-capabilities.tdb",
 180                    1, false, false, false,
 181                    2, false, false, true, 0);
 182
 183         failtest_suppress = false;
 184         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
 185                        &tap_log_attr);
 186         failtest_suppress = true;
 187         /* We expect a message. */
 188         ok1(!tdb);
 189         if (!ok1(tap_log_messages == 3))
 190                 goto out;
 191         if (!ok1(strstr(log_last, "unknown")))
 192                 goto out;
 193
 194         /* Combine capabilities correctly. */
 195         create_tdb("run-capabilities.tdb",
 196                    1, false, false, false,
 197                    2, true, false, false,
 198                    3, false, true, false, 0);
 199
 200         failtest_suppress = false;
 201         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
 202                        &tap_log_attr);
 203         failtest_suppress = true;
 204         /* We expect a message. */
 205         ok1(!tdb);
 206         if (!ok1(tap_log_messages == 4))
 207                 goto out;
 208         if (!ok1(strstr(log_last, "unknown")))
 209                 goto out;
 210         ok1(strstr(log_last, "write"));
 211
 212         /* We can open it read-only though! */
 213         failtest_suppress = false;
 214         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDONLY, 0,
 215                        &tap_log_attr);
 216         failtest_suppress = true;
 217         if (!ok1(tdb))
 218                 goto out;
 219         ok1(tap_log_messages == 4);
 220         ok1(tdb_get_flags(tdb) & TDB_CANT_CHECK);
 221         ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
 222         /* We expect a warning! */
 223         ok1(tap_log_messages == 5);
 224         ok1(strstr(log_last, "unknown"));
 225         ok1(tdb_summary(tdb, 0, &summary) == TDB_SUCCESS);
 226         ok1(strstr(summary, "Capability 1\n"));
 227         ok1(strstr(summary, "Capability 2 (uncheckable)\n"));
 228         ok1(strstr(summary, "Capability 3 (read-only)\n"));
 229         free(summary);
 230         tdb_close(tdb);
 231
 232         /* Two capability flags in one. */
 233         create_tdb("run-capabilities.tdb",
 234                    1, false, false, false,
 235                    2, true, true, false,
 236                    0);
 237
 238         failtest_suppress = false;
 239         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
 240                        &tap_log_attr);
 241         failtest_suppress = true;
 242         /* We expect a message. */
 243         ok1(!tdb);
 244         if (!ok1(tap_log_messages == 6))
 245                 goto out;
 246         if (!ok1(strstr(log_last, "unknown")))
 247                 goto out;
 248         ok1(strstr(log_last, "write"));
 249
 250         /* We can open it read-only though! */
 251         failtest_suppress = false;
 252         tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDONLY, 0,
 253                        &tap_log_attr);
 254         failtest_suppress = true;
 255         if (!ok1(tdb))
 256                 goto out;
 257         ok1(tap_log_messages == 6);
 258         ok1(tdb_get_flags(tdb) & TDB_CANT_CHECK);
 259         ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
 260         /* We expect a warning! */
 261         ok1(tap_log_messages == 7);
 262         ok1(strstr(log_last, "unknown"));
 263         ok1(tdb_summary(tdb, 0, &summary) == TDB_SUCCESS);
 264         ok1(strstr(summary, "Capability 1\n"));
 265         ok1(strstr(summary, "Capability 2 (uncheckable,read-only)\n"));
 266         free(summary);
 267         tdb_close(tdb);
 268
 269 out:
 270         failtest_exit(exit_status());
 271 }