audit(4): add tests for extattr_get_file(2) and friends
This commit includes extattr_{get_file, get_fd, get_link, list_file, list_fd, list_link}. It does not include any syscalls that modify, set, or delete extended attributes, as those are in a different audit class. Submitted by: aniketpt MFC after: 2 weeks Sponsored by: Google, Inc. (GSoC 2018) Differential Revision: https://reviews.freebsd.org/D15859
This commit is contained in:
parent
2a821fd9d2
commit
7d951cc29a
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=335284
@ -26,6 +26,7 @@
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*/
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#include <sys/param.h>
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#include <sys/extattr.h>
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#include <sys/ucred.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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@ -45,7 +46,9 @@ static int filedesc, fhdesc;
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static char extregex[80];
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static struct stat statbuff;
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static struct statfs statfsbuff;
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static const char *buff = "ezio";
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static const char *auclass = "fa";
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static const char *name = "authorname";
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static const char *path = "fileforaudit";
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static const char *errpath = "dirdoesnotexist/fileforaudit";
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static const char *successreg = "fileforaudit.*return,success";
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@ -799,6 +802,340 @@ ATF_TC_CLEANUP(fpathconf_failure, tc)
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}
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ATF_TC_WITH_CLEANUP(extattr_get_file_success);
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ATF_TC_HEAD(extattr_get_file_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"extattr_get_file(2) call");
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}
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ATF_TC_BODY(extattr_get_file_success, tc)
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{
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/* File needs to exist to call extattr_get_file(2) */
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ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
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/* Set an extended attribute to be retrieved later on */
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ATF_REQUIRE_EQ(sizeof(buff), extattr_set_file(path,
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EXTATTR_NAMESPACE_USER, name, buff, sizeof(buff)));
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_get_file.*%s.*%s.*return,success", path, name);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(sizeof(buff), extattr_get_file(path,
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EXTATTR_NAMESPACE_USER, name, NULL, 0));
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check_audit(fds, extregex, pipefd);
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close(filedesc);
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}
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ATF_TC_CLEANUP(extattr_get_file_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_get_file_failure);
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ATF_TC_HEAD(extattr_get_file_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"extattr_get_file(2) call");
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}
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ATF_TC_BODY(extattr_get_file_failure, tc)
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{
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_get_file.*%s.*%s.*failure", path, name);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: file does not exist */
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ATF_REQUIRE_EQ(-1, extattr_get_file(path,
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EXTATTR_NAMESPACE_USER, name, NULL, 0));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(extattr_get_file_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_get_fd_success);
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ATF_TC_HEAD(extattr_get_fd_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"extattr_get_fd(2) call");
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}
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ATF_TC_BODY(extattr_get_fd_success, tc)
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{
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/* File needs to exist to call extattr_get_fd(2) */
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ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
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/* Set an extended attribute to be retrieved later on */
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ATF_REQUIRE_EQ(sizeof(buff), extattr_set_file(path,
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EXTATTR_NAMESPACE_USER, name, buff, sizeof(buff)));
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_get_fd.*%s.*return,success", name);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(sizeof(buff), extattr_get_fd(filedesc,
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EXTATTR_NAMESPACE_USER, name, NULL, 0));
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check_audit(fds, extregex, pipefd);
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close(filedesc);
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}
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ATF_TC_CLEANUP(extattr_get_fd_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_get_fd_failure);
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ATF_TC_HEAD(extattr_get_fd_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"extattr_get_fd(2) call");
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}
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ATF_TC_BODY(extattr_get_fd_failure, tc)
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{
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_get_fd.*%s.*return,failure : Bad file descriptor", name);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: Invalid file descriptor */
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ATF_REQUIRE_EQ(-1, extattr_get_fd(-1,
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EXTATTR_NAMESPACE_USER, name, NULL, 0));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(extattr_get_fd_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_get_link_success);
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ATF_TC_HEAD(extattr_get_link_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"extattr_get_link(2) call");
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}
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ATF_TC_BODY(extattr_get_link_success, tc)
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{
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/* Symbolic link needs to exist to call extattr_get_link(2) */
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ATF_REQUIRE_EQ(0, symlink("symlink", path));
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/* Set an extended attribute to be retrieved later on */
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ATF_REQUIRE_EQ(sizeof(buff), extattr_set_link(path,
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EXTATTR_NAMESPACE_USER, name, buff, sizeof(buff)));
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_get_link.*%s.*%s.*return,success", path, name);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(sizeof(buff), extattr_get_link(path,
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EXTATTR_NAMESPACE_USER, name, NULL, 0));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(extattr_get_link_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_get_link_failure);
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ATF_TC_HEAD(extattr_get_link_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"extattr_get_link(2) call");
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}
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ATF_TC_BODY(extattr_get_link_failure, tc)
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{
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_get_link.*%s.*%s.*failure", path, name);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: symbolic link does not exist */
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ATF_REQUIRE_EQ(-1, extattr_get_link(path,
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EXTATTR_NAMESPACE_USER, name, NULL, 0));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(extattr_get_link_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_list_file_success);
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ATF_TC_HEAD(extattr_list_file_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"extattr_list_file(2) call");
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}
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ATF_TC_BODY(extattr_list_file_success, tc)
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{
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int readbuff;
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/* File needs to exist to call extattr_list_file(2) */
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ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE((readbuff = extattr_list_file(path,
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EXTATTR_NAMESPACE_USER, NULL, 0)) != -1);
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_list_file.*%s.*return,success,%d", path, readbuff);
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(extattr_list_file_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_list_file_failure);
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ATF_TC_HEAD(extattr_list_file_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"extattr_list_file(2) call");
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}
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ATF_TC_BODY(extattr_list_file_failure, tc)
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{
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_list_file.*%s.*return,failure", path);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: file does not exist */
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ATF_REQUIRE_EQ(-1, extattr_list_file(path,
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EXTATTR_NAMESPACE_USER, NULL, 0));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(extattr_list_file_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_list_fd_success);
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ATF_TC_HEAD(extattr_list_fd_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"extattr_list_fd(2) call");
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}
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ATF_TC_BODY(extattr_list_fd_success, tc)
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{
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int readbuff;
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/* File needs to exist to call extattr_list_fd(2) */
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ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE((readbuff = extattr_list_fd(filedesc,
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EXTATTR_NAMESPACE_USER, NULL, 0)) != -1);
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_list_fd.*return,success,%d", readbuff);
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check_audit(fds, extregex, pipefd);
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close(filedesc);
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}
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ATF_TC_CLEANUP(extattr_list_fd_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_list_fd_failure);
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ATF_TC_HEAD(extattr_list_fd_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"extattr_list_fd(2) call");
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}
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ATF_TC_BODY(extattr_list_fd_failure, tc)
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{
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_list_fd.*return,failure : Bad file descriptor");
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: Invalid file descriptor */
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ATF_REQUIRE_EQ(-1,
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extattr_list_fd(-1, EXTATTR_NAMESPACE_USER, NULL, 0));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(extattr_list_fd_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_list_link_success);
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ATF_TC_HEAD(extattr_list_link_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"extattr_list_link(2) call");
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}
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ATF_TC_BODY(extattr_list_link_success, tc)
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{
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int readbuff;
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/* Symbolic link needs to exist to call extattr_list_link(2) */
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ATF_REQUIRE_EQ(0, symlink("symlink", path));
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE((readbuff = extattr_list_link(path,
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EXTATTR_NAMESPACE_USER, NULL, 0)) != -1);
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_list_link.*%s.*return,success,%d", path, readbuff);
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(extattr_list_link_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_list_link_failure);
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ATF_TC_HEAD(extattr_list_link_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"extattr_list_link(2) call");
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}
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ATF_TC_BODY(extattr_list_link_failure, tc)
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{
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/* Prepare the regex to be checked in the audit record */
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snprintf(extregex, sizeof(extregex),
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"extattr_list_link.*%s.*failure", path);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: symbolic link does not exist */
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ATF_REQUIRE_EQ(-1, extattr_list_link(path,
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EXTATTR_NAMESPACE_USER, NULL, 0));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(extattr_list_link_failure, tc)
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{
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cleanup();
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, stat_success);
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@ -839,5 +1176,19 @@ ATF_TP_ADD_TCS(tp)
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ATF_TP_ADD_TC(tp, fpathconf_success);
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ATF_TP_ADD_TC(tp, fpathconf_failure);
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ATF_TP_ADD_TC(tp, extattr_get_file_success);
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ATF_TP_ADD_TC(tp, extattr_get_file_failure);
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ATF_TP_ADD_TC(tp, extattr_get_fd_success);
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ATF_TP_ADD_TC(tp, extattr_get_fd_failure);
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ATF_TP_ADD_TC(tp, extattr_get_link_success);
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ATF_TP_ADD_TC(tp, extattr_get_link_failure);
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ATF_TP_ADD_TC(tp, extattr_list_file_success);
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ATF_TP_ADD_TC(tp, extattr_list_file_failure);
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ATF_TP_ADD_TC(tp, extattr_list_fd_success);
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ATF_TP_ADD_TC(tp, extattr_list_fd_failure);
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ATF_TP_ADD_TC(tp, extattr_list_link_success);
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ATF_TP_ADD_TC(tp, extattr_list_link_failure);
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return (atf_no_error());
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}
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