diff options
Diffstat (limited to 'extras/test/test-ffop.c')
| -rw-r--r-- | extras/test/test-ffop.c | 920 |
1 files changed, 920 insertions, 0 deletions
diff --git a/extras/test/test-ffop.c b/extras/test/test-ffop.c new file mode 100644 index 00000000000..1d9c125db67 --- /dev/null +++ b/extras/test/test-ffop.c @@ -0,0 +1,920 @@ +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/xattr.h> +#include <errno.h> +#include <string.h> +#include <dirent.h> + +int +fd_based_fops_1(char *filename); // for fd based fops after unlink +int +fd_based_fops_2(char *filename); // for fd based fops before unlink +int +dup_fd_based_fops(char *filename); // fops based on fd after dup +int +path_based_fops(char *filename); // for fops based on path +int +dir_based_fops(char *filename); // for fops which operate on directory +int +link_based_fops( + char *filename); // for fops which operate in link files (symlinks) +int +test_open_modes( + char *filename); // to test open syscall with open modes available. +int +generic_open_read_write( + char *filename, + int flag); // generic function which does open write and read. + +int +main(int argc, char *argv[]) +{ + int ret = -1; + char filename[255] = { + 0, + }; + + if (argc > 1) + strcpy(filename, argv[1]); + else + strcpy(filename, "temp-xattr-test-file"); + + ret = fd_based_fops_1(strcat(filename, "_1")); + if (ret < 0) + fprintf(stderr, "fd based file operation 1 failed\n"); + else + fprintf(stdout, "fd based file operation 1 passed\n"); + + ret = fd_based_fops_2(strcat(filename, "_2")); + if (ret < 0) + fprintf(stderr, "fd based file operation 2 failed\n"); + else + fprintf(stdout, "fd based file operation 2 passed\n"); + + ret = dup_fd_based_fops(strcat(filename, "_3")); + if (ret < 0) + fprintf(stderr, "dup fd based file operation failed\n"); + else + fprintf(stdout, "dup fd based file operation passed\n"); + + ret = path_based_fops(strcat(filename, "_4")); + if (ret < 0) + fprintf(stderr, "path based file operation failed\n"); + else + fprintf(stdout, "path based file operation passed\n"); + + ret = dir_based_fops(strcat(filename, "_5")); + if (ret < 0) + fprintf(stderr, "directory based file operation failed\n"); + else + fprintf(stdout, "directory based file operation passed\n"); + + ret = link_based_fops(strcat(filename, "_5")); + if (ret < 0) + fprintf(stderr, "link based file operation failed\n"); + else + fprintf(stdout, "link based file operation passed\n"); + + ret = test_open_modes(strcat(filename, "_5")); + if (ret < 0) + fprintf(stderr, "testing modes of 'open' call failed\n"); + else + fprintf(stdout, "testing modes of 'open' call passed\n"); + +out: + return ret; +} + +int +fd_based_fops_1(char *filename) +{ + int fd = 0; + int ret = -1; + struct stat stbuf = { + 0, + }; + char wstr[50] = { + 0, + }; + char rstr[50] = { + 0, + }; + + fd = open(filename, O_RDWR | O_CREAT); + if (fd < 0) { + fd = 0; + fprintf(stderr, "open failed : %s\n", strerror(errno)); + goto out; + } + + ret = unlink(filename); + if (ret < 0) { + fprintf(stderr, "unlink failed : %s\n", strerror(errno)); + goto out; + } + + strcpy(wstr, "This is my string\n"); + ret = write(fd, wstr, strlen(wstr)); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "write failed: %s\n", strerror(errno)); + goto out; + } + + ret = lseek(fd, 0, SEEK_SET); + if (ret < 0) { + fprintf(stderr, "lseek failed: %s\n", strerror(errno)); + goto out; + } + + ret = read(fd, rstr, strlen(wstr)); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "read failed: %s\n", strerror(errno)); + goto out; + } + + ret = memcmp(rstr, wstr, strlen(wstr)); + if (ret != 0) { + ret = -1; + fprintf(stderr, "read returning junk\n"); + goto out; + } + + ret = ftruncate(fd, 0); + if (ret < 0) { + fprintf(stderr, "ftruncate failed : %s\n", strerror(errno)); + goto out; + } + + ret = fstat(fd, &stbuf); + if (ret < 0) { + fprintf(stderr, "fstat failed : %s\n", strerror(errno)); + goto out; + } + + ret = fchmod(fd, 0640); + if (ret < 0) { + fprintf(stderr, "fchmod failed : %s\n", strerror(errno)); + goto out; + } + + ret = fchown(fd, 10001, 10001); + if (ret < 0) { + fprintf(stderr, "fchown failed : %s\n", strerror(errno)); + goto out; + } + + ret = fsync(fd); + if (ret < 0) { + fprintf(stderr, "fsync failed : %s\n", strerror(errno)); + goto out; + } + + ret = fsetxattr(fd, "trusted.xattr-test", "working", 8, 0); + if (ret < 0) { + fprintf(stderr, "fsetxattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = fdatasync(fd); + if (ret < 0) { + fprintf(stderr, "fdatasync failed : %s\n", strerror(errno)); + goto out; + } + + ret = flistxattr(fd, NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "flistxattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = fgetxattr(fd, "trusted.xattr-test", NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "fgetxattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = fremovexattr(fd, "trusted.xattr-test"); + if (ret < 0) { + fprintf(stderr, "fremovexattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = 0; +out: + if (fd) + close(fd); + + return ret; +} + +int +fd_based_fops_2(char *filename) +{ + int fd = 0; + int ret = -1; + struct stat stbuf = { + 0, + }; + char wstr[50] = { + 0, + }; + char rstr[50] = { + 0, + }; + + fd = open(filename, O_RDWR | O_CREAT); + if (fd < 0) { + fd = 0; + fprintf(stderr, "open failed : %s\n", strerror(errno)); + goto out; + } + + ret = ftruncate(fd, 0); + + if (ret < 0) { + fprintf(stderr, "ftruncate failed : %s\n", strerror(errno)); + goto out; + } + + strcpy(wstr, "This is my second string\n"); + ret = write(fd, wstr, strlen(wstr)); + if (ret < 0) { + ret = -1; + fprintf(stderr, "write failed: %s\n", strerror(errno)); + goto out; + } + + lseek(fd, 0, SEEK_SET); + if (ret < 0) { + fprintf(stderr, "lseek failed: %s\n", strerror(errno)); + goto out; + } + + ret = read(fd, rstr, strlen(wstr)); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "read failed: %s\n", strerror(errno)); + goto out; + } + + ret = memcmp(rstr, wstr, strlen(wstr)); + if (ret != 0) { + ret = -1; + fprintf(stderr, "read returning junk\n"); + goto out; + } + + ret = fstat(fd, &stbuf); + if (ret < 0) { + fprintf(stderr, "fstat failed : %s\n", strerror(errno)); + goto out; + } + + ret = fchmod(fd, 0640); + if (ret < 0) { + fprintf(stderr, "fchmod failed : %s\n", strerror(errno)); + goto out; + } + + ret = fchown(fd, 10001, 10001); + if (ret < 0) { + fprintf(stderr, "fchown failed : %s\n", strerror(errno)); + goto out; + } + + ret = fsync(fd); + if (ret < 0) { + fprintf(stderr, "fsync failed : %s\n", strerror(errno)); + goto out; + } + + ret = fsetxattr(fd, "trusted.xattr-test", "working", 8, 0); + if (ret < 0) { + fprintf(stderr, "fsetxattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = fdatasync(fd); + if (ret < 0) { + fprintf(stderr, "fdatasync failed : %s\n", strerror(errno)); + goto out; + } + + ret = flistxattr(fd, NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "flistxattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = fgetxattr(fd, "trusted.xattr-test", NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "fgetxattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = fremovexattr(fd, "trusted.xattr-test"); + if (ret < 0) { + fprintf(stderr, "fremovexattr failed : %s\n", strerror(errno)); + goto out; + } + +out: + if (fd) + close(fd); + unlink(filename); + + return ret; +} + +int +path_based_fops(char *filename) +{ + int ret = -1; + int fd = 0; + struct stat stbuf = { + 0, + }; + char newfilename[255] = { + 0, + }; + + fd = creat(filename, 0644); + if (fd < 0) { + fprintf(stderr, "creat failed: %s\n", strerror(errno)); + goto out; + } + + ret = truncate(filename, 0); + if (ret < 0) { + fprintf(stderr, "truncate failed: %s\n", strerror(errno)); + goto out; + } + + ret = stat(filename, &stbuf); + if (ret < 0) { + fprintf(stderr, "stat failed: %s\n", strerror(errno)); + goto out; + } + + ret = chmod(filename, 0640); + if (ret < 0) { + fprintf(stderr, "chmod failed: %s\n", strerror(errno)); + goto out; + } + + ret = chown(filename, 10001, 10001); + if (ret < 0) { + fprintf(stderr, "chown failed: %s\n", strerror(errno)); + goto out; + } + + ret = setxattr(filename, "trusted.xattr-test", "working", 8, 0); + if (ret < 0) { + fprintf(stderr, "setxattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = listxattr(filename, NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "listxattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = getxattr(filename, "trusted.xattr-test", NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "getxattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = removexattr(filename, "trusted.xattr-test"); + if (ret < 0) { + fprintf(stderr, "removexattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = access(filename, R_OK | W_OK); + if (ret < 0) { + fprintf(stderr, "access failed: %s\n", strerror(errno)); + goto out; + } + + strcpy(newfilename, filename); + strcat(newfilename, "_new"); + ret = rename(filename, newfilename); + if (ret < 0) { + fprintf(stderr, "rename failed: %s\n", strerror(errno)); + goto out; + } + unlink(newfilename); + +out: + if (fd) + close(fd); + + unlink(filename); + return ret; +} + +int +dup_fd_based_fops(char *filename) +{ + int fd = 0; + int newfd = 0; + int ret = -1; + struct stat stbuf = { + 0, + }; + char wstr[50] = { + 0, + }; + char rstr[50] = { + 0, + }; + + fd = open(filename, O_RDWR | O_CREAT); + if (fd < 0) { + fd = 0; + fprintf(stderr, "open failed : %s\n", strerror(errno)); + goto out; + } + + newfd = dup(fd); + if (newfd < 0) { + ret = -1; + fprintf(stderr, "dup failed: %s\n", strerror(errno)); + goto out; + } + + close(fd); + + strcpy(wstr, "This is my string\n"); + ret = write(newfd, wstr, strlen(wstr)); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "write failed: %s\n", strerror(errno)); + goto out; + } + + ret = lseek(newfd, 0, SEEK_SET); + if (ret < 0) { + fprintf(stderr, "lseek failed: %s\n", strerror(errno)); + goto out; + } + + ret = read(newfd, rstr, strlen(wstr)); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "read failed: %s\n", strerror(errno)); + goto out; + } + + ret = memcmp(rstr, wstr, strlen(wstr)); + if (ret != 0) { + ret = -1; + fprintf(stderr, "read returning junk\n"); + goto out; + } + + ret = ftruncate(newfd, 0); + if (ret < 0) { + fprintf(stderr, "ftruncate failed : %s\n", strerror(errno)); + goto out; + } + + ret = fstat(newfd, &stbuf); + if (ret < 0) { + fprintf(stderr, "fstat failed : %s\n", strerror(errno)); + goto out; + } + + ret = fchmod(newfd, 0640); + if (ret < 0) { + fprintf(stderr, "fchmod failed : %s\n", strerror(errno)); + goto out; + } + + ret = fchown(newfd, 10001, 10001); + if (ret < 0) { + fprintf(stderr, "fchown failed : %s\n", strerror(errno)); + goto out; + } + + ret = fsync(newfd); + if (ret < 0) { + fprintf(stderr, "fsync failed : %s\n", strerror(errno)); + goto out; + } + + ret = fsetxattr(newfd, "trusted.xattr-test", "working", 8, 0); + if (ret < 0) { + fprintf(stderr, "fsetxattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = fdatasync(newfd); + if (ret < 0) { + fprintf(stderr, "fdatasync failed : %s\n", strerror(errno)); + goto out; + } + + ret = flistxattr(newfd, NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "flistxattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = fgetxattr(newfd, "trusted.xattr-test", NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "fgetxattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = fremovexattr(newfd, "trusted.xattr-test"); + if (ret < 0) { + fprintf(stderr, "fremovexattr failed : %s\n", strerror(errno)); + goto out; + } + + ret = 0; +out: + if (newfd) + close(newfd); + ret = unlink(filename); + if (ret < 0) + fprintf(stderr, "unlink failed : %s\n", strerror(errno)); + + return ret; +} + +int +dir_based_fops(char *dirname) +{ + int ret = -1; + DIR *dp = NULL; + char buff[255] = { + 0, + }; + struct dirent *dbuff = { + 0, + }; + struct stat stbuff = { + 0, + }; + char newdname[255] = { + 0, + }; + char *cwd = NULL; + + ret = mkdir(dirname, 0755); + if (ret < 0) { + fprintf(stderr, "mkdir failed: %s\n", strerror(errno)); + goto out; + } + + dp = opendir(dirname); + if (dp == NULL) { + fprintf(stderr, "opendir failed: %s\n", strerror(errno)); + goto out; + } + + dbuff = readdir(dp); + if (NULL == dbuff) { + fprintf(stderr, "readdir failed: %s\n", strerror(errno)); + goto out; + } + + ret = closedir(dp); + if (ret < 0) { + fprintf(stderr, "closedir failed: %s\n", strerror(errno)); + goto out; + } + + ret = stat(dirname, &stbuff); + if (ret < 0) { + fprintf(stderr, "stat failed: %s\n", strerror(errno)); + goto out; + } + + ret = chmod(dirname, 0744); + if (ret < 0) { + fprintf(stderr, "chmod failed: %s\n", strerror(errno)); + goto out; + } + + ret = chown(dirname, 10001, 10001); + if (ret < 0) { + fprintf(stderr, "chmod failed: %s\n", strerror(errno)); + goto out; + } + + ret = setxattr(dirname, "trusted.xattr-test", "working", 8, 0); + if (ret < 0) { + fprintf(stderr, "setxattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = listxattr(dirname, NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "listxattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = getxattr(dirname, "trusted.xattr-test", NULL, 0); + if (ret <= 0) { + ret = -1; + fprintf(stderr, "getxattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = removexattr(dirname, "trusted.xattr-test"); + if (ret < 0) { + fprintf(stderr, "removexattr failed: %s\n", strerror(errno)); + goto out; + } + + strcpy(newdname, dirname); + strcat(newdname, "/../"); + ret = chdir(newdname); + if (ret < 0) { + fprintf(stderr, "chdir failed: %s\n", strerror(errno)); + goto out; + } + + cwd = getcwd(buff, 255); + if (NULL == cwd) { + fprintf(stderr, "getcwd failed: %s\n", strerror(errno)); + goto out; + } + + strcpy(newdname, dirname); + strcat(newdname, "new"); + ret = rename(dirname, newdname); + if (ret < 0) { + fprintf(stderr, "rename failed: %s\n", strerror(errno)); + goto out; + } + + ret = rmdir(newdname); + if (ret < 0) { + fprintf(stderr, "rmdir failed: %s\n", strerror(errno)); + return ret; + } + +out: + rmdir(dirname); + return ret; +} + +int +link_based_fops(char *filename) +{ + int ret = -1; + int fd = 0; + char newname[255] = { + 0, + }; + char linkname[255] = { + 0, + }; + struct stat lstbuf = { + 0, + }; + + fd = creat(filename, 0644); + if (fd < 0) { + fd = 0; + fprintf(stderr, "creat failed: %s\n", strerror(errno)); + goto out; + } + + strcpy(newname, filename); + strcat(newname, "_hlink"); + ret = link(filename, newname); + if (ret < 0) { + fprintf(stderr, "link failed: %s\n", strerror(errno)); + goto out; + } + + ret = unlink(filename); + if (ret < 0) { + fprintf(stderr, "unlink failed: %s\n", strerror(errno)); + goto out; + } + + strcpy(linkname, filename); + strcat(linkname, "_slink"); + ret = symlink(newname, linkname); + if (ret < 0) { + fprintf(stderr, "symlink failed: %s\n", strerror(errno)); + goto out; + } + + ret = lstat(linkname, &lstbuf); + if (ret < 0) { + fprintf(stderr, "lstbuf failed: %s\n", strerror(errno)); + goto out; + } + + ret = lchown(linkname, 10001, 10001); + if (ret < 0) { + fprintf(stderr, "lchown failed: %s\n", strerror(errno)); + goto out; + } + + ret = lsetxattr(linkname, "trusted.lxattr-test", "working", 8, 0); + if (ret < 0) { + fprintf(stderr, "lsetxattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = llistxattr(linkname, NULL, 0); + if (ret < 0) { + ret = -1; + fprintf(stderr, "llistxattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = lgetxattr(linkname, "trusted.lxattr-test", NULL, 0); + if (ret < 0) { + ret = -1; + fprintf(stderr, "lgetxattr failed: %s\n", strerror(errno)); + goto out; + } + + ret = lremovexattr(linkname, "trusted.lxattr-test"); + if (ret < 0) { + fprintf(stderr, "lremovexattr failed: %s\n", strerror(errno)); + goto out; + } + +out: + if (fd) + close(fd); + unlink(linkname); + unlink(newname); +} + +int +test_open_modes(char *filename) +{ + int ret = -1; + + ret = generic_open_read_write(filename, O_CREAT | O_WRONLY); + if (3 != ret) { + fprintf(stderr, "flag O_CREAT|O_WRONLY failed: \n"); + goto out; + } + + ret = generic_open_read_write(filename, O_CREAT | O_RDWR); + if (ret != 0) { + fprintf(stderr, "flag O_CREAT|O_RDWR failed\n"); + goto out; + } + + ret = generic_open_read_write(filename, O_CREAT | O_RDONLY); + if (ret != 0) { + fprintf(stderr, "flag O_CREAT|O_RDONLY failed\n"); + goto out; + } + + ret = creat(filename, 0644); + close(ret); + ret = generic_open_read_write(filename, O_WRONLY); + if (3 != ret) { + fprintf(stderr, "flag O_WRONLY failed\n"); + goto out; + } + + ret = creat(filename, 0644); + close(ret); + ret = generic_open_read_write(filename, O_RDWR); + if (0 != ret) { + fprintf(stderr, "flag O_RDWR failed\n"); + goto out; + } + + ret = creat(filename, 0644); + close(ret); + ret = generic_open_read_write(filename, O_RDONLY); + if (0 != ret) { + fprintf(stderr, "flag O_RDONLY failed\n"); + goto out; + } + + ret = creat(filename, 0644); + close(ret); + ret = generic_open_read_write(filename, O_TRUNC | O_WRONLY); + if (3 != ret) { + fprintf(stderr, "flag O_TRUNC|O_WRONLY failed\n"); + goto out; + } + +#if 0 /* undefined behaviour, unable to reliably test */ + ret = creat (filename, 0644); + close (ret); + ret = generic_open_read_write (filename, O_TRUNC|O_RDONLY); + if (0 != ret) { + fprintf (stderr, "flag O_TRUNC|O_RDONLY failed\n"); + goto out; + } +#endif + + ret = generic_open_read_write(filename, O_CREAT | O_RDWR | O_SYNC); + if (0 != ret) { + fprintf(stderr, "flag O_CREAT|O_RDWR|O_SYNC failed\n"); + goto out; + } + + ret = creat(filename, 0644); + close(ret); + ret = generic_open_read_write(filename, O_CREAT | O_EXCL); + if (0 != ret) { + fprintf(stderr, "flag O_CREAT|O_EXCL failed\n"); + goto out; + } + +out: + return ret; +} + +int +generic_open_read_write(char *filename, int flag) +{ + int fd = 0; + int ret = -1; + char wstring[50] = { + 0, + }; + char rstring[50] = { + 0, + }; + + fd = open(filename, flag); + if (fd < 0) { + if (flag == O_CREAT | O_EXCL && errno == EEXIST) { + unlink(filename); + return 0; + } else { + fd = 0; + fprintf(stderr, "open failed: %s\n", strerror(errno)); + return 1; + } + } + + strcpy(wstring, "My string to write\n"); + ret = write(fd, wstring, strlen(wstring)); + if (ret <= 0) { + if (errno != EBADF) { + fprintf(stderr, "write failed: %s\n", strerror(errno)); + close(fd); + unlink(filename); + return 2; + } + } + + ret = lseek(fd, 0, SEEK_SET); + if (ret < 0) { + close(fd); + unlink(filename); + return 4; + } + + ret = read(fd, rstring, strlen(wstring)); + if (ret < 0) { + close(fd); + unlink(filename); + return 3; + } + + /* Compare the rstring with wstring. But we do not want to return + * error when the flag is either O_RDONLY, O_CREAT|O_RDONLY or + * O_TRUNC|O_RDONLY. Because in that case we are not writing + * anything to the file.*/ + + ret = memcmp(wstring, rstring, strlen(wstring)); + if (0 != ret && !(flag == O_CREAT | O_RDONLY || flag == O_RDONLY || + flag == O_TRUNC | O_RDONLY)) { + fprintf(stderr, "read is returning junk\n"); + close(fd); + unlink(filename); + return 4; + } + + close(fd); + unlink(filename); + return 0; +} |