t/t0300-credentials.sh

   1 #!/bin/sh
   2
   3 test_description='basic credential helper tests'
   4 . ./test-lib.sh
   5 . "$TEST_DIRECTORY"/lib-credential.sh
   6
   7 test_expect_success 'setup helper scripts' '
   8         cat >dump <<-\EOF &&
   9         whoami=$(echo $0 | sed s/.*git-credential-//)
  10         echo >&2 "$whoami: $*"
  11         OIFS=$IFS
  12         IFS==
  13         while read key value; do
  14                 echo >&2 "$whoami: $key=$value"
  15                 eval "$key=$value"
  16         done
  17         IFS=$OIFS
  18         EOF
  19
  20         write_script git-credential-useless <<-\EOF &&
  21         . ./dump
  22         exit 0
  23         EOF
  24
  25         write_script git-credential-quit <<-\EOF &&
  26         . ./dump
  27         echo quit=1
  28         EOF
  29
  30         write_script git-credential-verbatim <<-\EOF &&
  31         user=$1; shift
  32         pass=$1; shift
  33         . ./dump
  34         test -z "$user" || echo username=$user
  35         test -z "$pass" || echo password=$pass
  36         EOF
  37
  38         PATH="$PWD:$PATH"
  39 '
  40
  41 test_expect_success 'credential_fill invokes helper' '
  42         check fill "verbatim foo bar" <<-\EOF
  43         protocol=http
  44         host=example.com
  45         --
  46         protocol=http
  47         host=example.com
  48         username=foo
  49         password=bar
  50         --
  51         verbatim: get
  52         verbatim: protocol=http
  53         verbatim: host=example.com
  54         EOF
  55 '
  56
  57 test_expect_success 'credential_fill invokes multiple helpers' '
  58         check fill useless "verbatim foo bar" <<-\EOF
  59         protocol=http
  60         host=example.com
  61         --
  62         protocol=http
  63         host=example.com
  64         username=foo
  65         password=bar
  66         --
  67         useless: get
  68         useless: protocol=http
  69         useless: host=example.com
  70         verbatim: get
  71         verbatim: protocol=http
  72         verbatim: host=example.com
  73         EOF
  74 '
  75
  76 test_expect_success 'credential_fill stops when we get a full response' '
  77         check fill "verbatim one two" "verbatim three four" <<-\EOF
  78         protocol=http
  79         host=example.com
  80         --
  81         protocol=http
  82         host=example.com
  83         username=one
  84         password=two
  85         --
  86         verbatim: get
  87         verbatim: protocol=http
  88         verbatim: host=example.com
  89         EOF
  90 '
  91
  92 test_expect_success 'credential_fill continues through partial response' '
  93         check fill "verbatim one \"\"" "verbatim two three" <<-\EOF
  94         protocol=http
  95         host=example.com
  96         --
  97         protocol=http
  98         host=example.com
  99         username=two
 100         password=three
 101         --
 102         verbatim: get
 103         verbatim: protocol=http
 104         verbatim: host=example.com
 105         verbatim: get
 106         verbatim: protocol=http
 107         verbatim: host=example.com
 108         verbatim: username=one
 109         EOF
 110 '
 111
 112 test_expect_success 'credential_fill passes along metadata' '
 113         check fill "verbatim one two" <<-\EOF
 114         protocol=ftp
 115         host=example.com
 116         path=foo.git
 117         --
 118         protocol=ftp
 119         host=example.com
 120         path=foo.git
 121         username=one
 122         password=two
 123         --
 124         verbatim: get
 125         verbatim: protocol=ftp
 126         verbatim: host=example.com
 127         verbatim: path=foo.git
 128         EOF
 129 '
 130
 131 test_expect_success 'credential_approve calls all helpers' '
 132         check approve useless "verbatim one two" <<-\EOF
 133         protocol=http
 134         host=example.com
 135         username=foo
 136         password=bar
 137         --
 138         --
 139         useless: store
 140         useless: protocol=http
 141         useless: host=example.com
 142         useless: username=foo
 143         useless: password=bar
 144         verbatim: store
 145         verbatim: protocol=http
 146         verbatim: host=example.com
 147         verbatim: username=foo
 148         verbatim: password=bar
 149         EOF
 150 '
 151
 152 test_expect_success 'do not bother storing password-less credential' '
 153         check approve useless <<-\EOF
 154         protocol=http
 155         host=example.com
 156         username=foo
 157         --
 158         --
 159         EOF
 160 '
 161
 162
 163 test_expect_success 'credential_reject calls all helpers' '
 164         check reject useless "verbatim one two" <<-\EOF
 165         protocol=http
 166         host=example.com
 167         username=foo
 168         password=bar
 169         --
 170         --
 171         useless: erase
 172         useless: protocol=http
 173         useless: host=example.com
 174         useless: username=foo
 175         useless: password=bar
 176         verbatim: erase
 177         verbatim: protocol=http
 178         verbatim: host=example.com
 179         verbatim: username=foo
 180         verbatim: password=bar
 181         EOF
 182 '
 183
 184 test_expect_success 'usernames can be preserved' '
 185         check fill "verbatim \"\" three" <<-\EOF
 186         protocol=http
 187         host=example.com
 188         username=one
 189         --
 190         protocol=http
 191         host=example.com
 192         username=one
 193         password=three
 194         --
 195         verbatim: get
 196         verbatim: protocol=http
 197         verbatim: host=example.com
 198         verbatim: username=one
 199         EOF
 200 '
 201
 202 test_expect_success 'usernames can be overridden' '
 203         check fill "verbatim two three" <<-\EOF
 204         protocol=http
 205         host=example.com
 206         username=one
 207         --
 208         protocol=http
 209         host=example.com
 210         username=two
 211         password=three
 212         --
 213         verbatim: get
 214         verbatim: protocol=http
 215         verbatim: host=example.com
 216         verbatim: username=one
 217         EOF
 218 '
 219
 220 test_expect_success 'do not bother completing already-full credential' '
 221         check fill "verbatim three four" <<-\EOF
 222         protocol=http
 223         host=example.com
 224         username=one
 225         password=two
 226         --
 227         protocol=http
 228         host=example.com
 229         username=one
 230         password=two
 231         --
 232         EOF
 233 '
 234
 235 # We can't test the basic terminal password prompt here because
 236 # getpass() tries too hard to find the real terminal. But if our
 237 # askpass helper is run, we know the internal getpass is working.
 238 test_expect_success 'empty helper list falls back to internal getpass' '
 239         check fill <<-\EOF
 240         protocol=http
 241         host=example.com
 242         --
 243         protocol=http
 244         host=example.com
 245         username=askpass-username
 246         password=askpass-password
 247         --
 248         askpass: Username for '\''http://example.com'\'':
 249         askpass: Password for '\''http://askpass-username@example.com'\'':
 250         EOF
 251 '
 252
 253 test_expect_success 'internal getpass does not ask for known username' '
 254         check fill <<-\EOF
 255         protocol=http
 256         host=example.com
 257         username=foo
 258         --
 259         protocol=http
 260         host=example.com
 261         username=foo
 262         password=askpass-password
 263         --
 264         askpass: Password for '\''http://foo@example.com'\'':
 265         EOF
 266 '
 267
 268 HELPER="!f() {
 269                 cat >/dev/null
 270                 echo username=foo
 271                 echo password=bar
 272         }; f"
 273 test_expect_success 'respect configured credentials' '
 274         test_config credential.helper "$HELPER" &&
 275         check fill <<-\EOF
 276         protocol=http
 277         host=example.com
 278         --
 279         protocol=http
 280         host=example.com
 281         username=foo
 282         password=bar
 283         --
 284         EOF
 285 '
 286
 287 test_expect_success 'match configured credential' '
 288         test_config credential.https://example.com.helper "$HELPER" &&
 289         check fill <<-\EOF
 290         protocol=https
 291         host=example.com
 292         path=repo.git
 293         --
 294         protocol=https
 295         host=example.com
 296         username=foo
 297         password=bar
 298         --
 299         EOF
 300 '
 301
 302 test_expect_success 'do not match configured credential' '
 303         test_config credential.https://foo.helper "$HELPER" &&
 304         check fill <<-\EOF
 305         protocol=https
 306         host=bar
 307         --
 308         protocol=https
 309         host=bar
 310         username=askpass-username
 311         password=askpass-password
 312         --
 313         askpass: Username for '\''https://bar'\'':
 314         askpass: Password for '\''https://askpass-username@bar'\'':
 315         EOF
 316 '
 317
 318 test_expect_success 'match multiple configured helpers' '
 319         test_config credential.helper "verbatim \"\" \"\"" &&
 320         test_config credential.https://example.com.helper "$HELPER" &&
 321         check fill <<-\EOF
 322         protocol=https
 323         host=example.com
 324         path=repo.git
 325         --
 326         protocol=https
 327         host=example.com
 328         username=foo
 329         password=bar
 330         --
 331         verbatim: get
 332         verbatim: protocol=https
 333         verbatim: host=example.com
 334         EOF
 335 '
 336
 337 test_expect_success 'match multiple configured helpers with URLs' '
 338         test_config credential.https://example.com/repo.git.helper "verbatim \"\" \"\"" &&
 339         test_config credential.https://example.com.helper "$HELPER" &&
 340         check fill <<-\EOF
 341         protocol=https
 342         host=example.com
 343         path=repo.git
 344         --
 345         protocol=https
 346         host=example.com
 347         username=foo
 348         password=bar
 349         --
 350         verbatim: get
 351         verbatim: protocol=https
 352         verbatim: host=example.com
 353         EOF
 354 '
 355
 356 test_expect_success 'match percent-encoded values' '
 357         test_config credential.https://example.com/%2566.git.helper "$HELPER" &&
 358         check fill <<-\EOF
 359         url=https://example.com/%2566.git
 360         --
 361         protocol=https
 362         host=example.com
 363         username=foo
 364         password=bar
 365         --
 366         EOF
 367 '
 368
 369 test_expect_success 'pull username from config' '
 370         test_config credential.https://example.com.username foo &&
 371         check fill <<-\EOF
 372         protocol=https
 373         host=example.com
 374         --
 375         protocol=https
 376         host=example.com
 377         username=foo
 378         password=askpass-password
 379         --
 380         askpass: Password for '\''https://foo@example.com'\'':
 381         EOF
 382 '
 383
 384 test_expect_success 'honors username from URL over helper (URL)' '
 385         test_config credential.https://example.com.username bob &&
 386         test_config credential.https://example.com.helper "verbatim \"\" bar" &&
 387         check fill <<-\EOF
 388         url=https://alice@example.com
 389         --
 390         protocol=https
 391         host=example.com
 392         username=alice
 393         password=bar
 394         --
 395         verbatim: get
 396         verbatim: protocol=https
 397         verbatim: host=example.com
 398         verbatim: username=alice
 399         EOF
 400 '
 401
 402 test_expect_success 'honors username from URL over helper (components)' '
 403         test_config credential.https://example.com.username bob &&
 404         test_config credential.https://example.com.helper "verbatim \"\" bar" &&
 405         check fill <<-\EOF
 406         protocol=https
 407         host=example.com
 408         username=alice
 409         --
 410         protocol=https
 411         host=example.com
 412         username=alice
 413         password=bar
 414         --
 415         verbatim: get
 416         verbatim: protocol=https
 417         verbatim: host=example.com
 418         verbatim: username=alice
 419         EOF
 420 '
 421
 422 test_expect_success 'last matching username wins' '
 423         test_config credential.https://example.com/path.git.username bob &&
 424         test_config credential.https://example.com.username alice &&
 425         test_config credential.https://example.com.helper "verbatim \"\" bar" &&
 426         check fill <<-\EOF
 427         url=https://example.com/path.git
 428         --
 429         protocol=https
 430         host=example.com
 431         username=alice
 432         password=bar
 433         --
 434         verbatim: get
 435         verbatim: protocol=https
 436         verbatim: host=example.com
 437         verbatim: username=alice
 438         EOF
 439 '
 440
 441 test_expect_success 'http paths can be part of context' '
 442         check fill "verbatim foo bar" <<-\EOF &&
 443         protocol=https
 444         host=example.com
 445         path=foo.git
 446         --
 447         protocol=https
 448         host=example.com
 449         username=foo
 450         password=bar
 451         --
 452         verbatim: get
 453         verbatim: protocol=https
 454         verbatim: host=example.com
 455         EOF
 456         test_config credential.https://example.com.useHttpPath true &&
 457         check fill "verbatim foo bar" <<-\EOF
 458         protocol=https
 459         host=example.com
 460         path=foo.git
 461         --
 462         protocol=https
 463         host=example.com
 464         path=foo.git
 465         username=foo
 466         password=bar
 467         --
 468         verbatim: get
 469         verbatim: protocol=https
 470         verbatim: host=example.com
 471         verbatim: path=foo.git
 472         EOF
 473 '
 474
 475 test_expect_success 'context uses urlmatch' '
 476         test_config "credential.https://*.org.useHttpPath" true &&
 477         check fill "verbatim foo bar" <<-\EOF
 478         protocol=https
 479         host=example.org
 480         path=foo.git
 481         --
 482         protocol=https
 483         host=example.org
 484         path=foo.git
 485         username=foo
 486         password=bar
 487         --
 488         verbatim: get
 489         verbatim: protocol=https
 490         verbatim: host=example.org
 491         verbatim: path=foo.git
 492         EOF
 493 '
 494
 495 test_expect_success 'helpers can abort the process' '
 496         test_must_fail git \
 497                 -c credential.helper=quit \
 498                 -c credential.helper="verbatim foo bar" \
 499                 credential fill >stdout 2>stderr <<-\EOF &&
 500         protocol=http
 501         host=example.com
 502         EOF
 503         test_must_be_empty stdout &&
 504         cat >expect <<-\EOF &&
 505         quit: get
 506         quit: protocol=http
 507         quit: host=example.com
 508         fatal: credential helper '\''quit'\'' told us to quit
 509         EOF
 510         test_i18ncmp expect stderr
 511 '
 512
 513 test_expect_success 'empty helper spec resets helper list' '
 514         test_config credential.helper "verbatim file file" &&
 515         check fill "" "verbatim cmdline cmdline" <<-\EOF
 516         protocol=http
 517         host=example.com
 518         --
 519         protocol=http
 520         host=example.com
 521         username=cmdline
 522         password=cmdline
 523         --
 524         verbatim: get
 525         verbatim: protocol=http
 526         verbatim: host=example.com
 527         EOF
 528 '
 529
 530 test_expect_success 'url parser rejects embedded newlines' '
 531         test_must_fail git credential fill 2>stderr <<-\EOF &&
 532         url=https://one.example.com?%0ahost=two.example.com/
 533         EOF
 534         cat >expect <<-\EOF &&
 535         warning: url contains a newline in its host component: https://one.example.com?%0ahost=two.example.com/
 536         fatal: credential url cannot be parsed: https://one.example.com?%0ahost=two.example.com/
 537         EOF
 538         test_i18ncmp expect stderr
 539 '
 540
 541 test_expect_success 'host-less URLs are parsed as empty host' '
 542         check fill "verbatim foo bar" <<-\EOF
 543         url=cert:///path/to/cert.pem
 544         --
 545         protocol=cert
 546         host=
 547         path=path/to/cert.pem
 548         username=foo
 549         password=bar
 550         --
 551         verbatim: get
 552         verbatim: protocol=cert
 553         verbatim: host=
 554         verbatim: path=path/to/cert.pem
 555         EOF
 556 '
 557
 558 test_expect_success 'credential system refuses to work with missing host' '
 559         test_must_fail git credential fill 2>stderr <<-\EOF &&
 560         protocol=http
 561         EOF
 562         cat >expect <<-\EOF &&
 563         fatal: refusing to work with credential missing host field
 564         EOF
 565         test_i18ncmp expect stderr
 566 '
 567
 568 test_expect_success 'credential system refuses to work with missing protocol' '
 569         test_must_fail git credential fill 2>stderr <<-\EOF &&
 570         host=example.com
 571         EOF
 572         cat >expect <<-\EOF &&
 573         fatal: refusing to work with credential missing protocol field
 574         EOF
 575         test_i18ncmp expect stderr
 576 '
 577
 578 test_done