diff options
Diffstat (limited to 'lib/util/regress/getgrouplist')
| -rw-r--r-- | lib/util/regress/getgrouplist/getgids.c | 91 | ||||
| -rw-r--r-- | lib/util/regress/getgrouplist/getgrouplist_test.c | 117 |
2 files changed, 208 insertions, 0 deletions
diff --git a/lib/util/regress/getgrouplist/getgids.c b/lib/util/regress/getgrouplist/getgids.c new file mode 100644 index 0000000..f366f83 --- /dev/null +++ b/lib/util/regress/getgrouplist/getgids.c @@ -0,0 +1,91 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include "compat/stdbool.h" +#endif +#include <unistd.h> +#include <pwd.h> +#include <grp.h> + +#define SUDO_ERROR_WRAP 0 + +#include "sudo_compat.h" +#include "sudo_fatal.h" +#include "sudo_util.h" + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Implement "id -G" using sudo_getgrouplist2(). + */ + +int +main(int argc, char *argv[]) +{ + char *username = NULL; + GETGROUPS_T *groups = NULL; + struct passwd *pw; + int ch, i, ngroups; + gid_t basegid; + + initprogname(argc > 0 ? argv[0] : "getgids"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v] [user]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + if (argc > 0) + username = argv[0]; + + if (username != NULL) { + if ((pw = getpwnam(username)) == NULL) + sudo_fatalx("unknown user name %s", username); + } else { + if ((pw = getpwuid(getuid())) == NULL) + sudo_fatalx("unknown user ID %u", (unsigned int)getuid()); + } + basegid = pw->pw_gid; + if ((username = strdup(pw->pw_name)) == NULL) + sudo_fatal(NULL); + + if (sudo_getgrouplist2(username, basegid, &groups, &ngroups) == -1) + sudo_fatal("sudo_getgroulist2"); + + for (i = 0; i < ngroups; i++) { + printf("%s%u", i ? " " : "", (unsigned int)groups[i]); + } + putchar('\n'); + return EXIT_SUCCESS; +} diff --git a/lib/util/regress/getgrouplist/getgrouplist_test.c b/lib/util/regress/getgrouplist/getgrouplist_test.c new file mode 100644 index 0000000..8429528 --- /dev/null +++ b/lib/util/regress/getgrouplist/getgrouplist_test.c @@ -0,0 +1,117 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include "compat/stdbool.h" +#endif +#include <pwd.h> +#include <grp.h> +#include <unistd.h> + +#include "sudo_compat.h" +#include "sudo_fatal.h" +#include "sudo_util.h" + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Test that sudo_getgrouplist2() works as expected. + */ + +int +main(int argc, char *argv[]) +{ + int errors = 0; +#ifndef HAVE_GETGROUPLIST_2 + GETGROUPS_T *groups = NULL; + struct passwd *pw; + struct group *grp; + char *username; + int ch, i, j, ntests = 0; + int ngroups; + gid_t basegid; + + initprogname(argc > 0 ? argv[0] : "getgrouplist_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + if ((pw = getpwuid(0)) == NULL) + sudo_fatal_nodebug("getpwuid(0)"); + basegid = pw->pw_gid; + if ((username = strdup(pw->pw_name)) == NULL) + sudo_fatal_nodebug(NULL); + + if (sudo_getgrouplist2(username, basegid, &groups, &ngroups) == -1) + sudo_fatal_nodebug("sudo_getgroulist2"); + + for (i = 0; i < ngroups; i++) { + ntests++; + + /* Verify group ID exists. */ + if ((grp = getgrgid(groups[i])) == NULL) { + sudo_warnx_nodebug("unable to look up group ID %u", + (unsigned int)groups[i]); + errors++; + continue; + } + + /* Check user's primary gid from the passwd file. */ + if (grp->gr_gid == basegid) + continue; + + /* Verify group membership. */ + for (j = 0; grp->gr_mem[j] != NULL; j++) { + if (strcmp(username, grp->gr_mem[j]) == 0) { + /* match */ + break; + } + } + if (grp->gr_mem[j] == NULL) { + sudo_warnx_nodebug("unable to find %s in group %s", + username, grp->gr_name); + errors++; + continue; + } + } + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + free(username); + free(groups); +#endif /* HAVE_GETGROUPLIST_2 */ + return errors; +} |