Attachment 17935 Details for Bug 15376 – freebsd test program to verify fdescfs/O_PATH/acl/xattrs functionality

freebsd test program to verify fdescfs/O_PATH/acl/xattrs functionality

freebsd_tst.c (text/x-csrc), 13.31 KB, created by Peter Eriksson on 2023-06-21 18:45:02 UTC

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Filename:

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Creator: Peter Eriksson

Created: 2023-06-21 18:45:02 UTC

Size: 13.31 KB

patch

obsolete

>/*
> * freebsd_fdescfs_opath_acl_extattr_test.c
> *
> * Compile with:
> *  cc -o tst tst.c -I/usr/local/include -L/usr/local/lib -lsunacl
> *
> * Requires:
> *  pkg add libsunacl
> *  fdescfs mounted as /compat/linux/dev/fd with option linrdlnk enabled
>
> * Usage:
> *  ./tst <options> <basedir> <path>
> *
> * Options:
> *  ./tst -h
> *
> * Examples:
> *  ./tst -axrd /home/peter86 testsubdir
> *  ./tst -ssaxrd /home/peter86 testsubdir
> */
>
>#include <stdio.h>
>#include <fcntl.h>
>#include <errno.h>
>#include <stdlib.h>
>#include <string.h>
>#include <unistd.h>
>#include <time.h>
>#include <ctype.h>
>#include <sys/types.h>
>#include <sys/stat.h>
>#include <sunacl.h>
>#include <sys/extattr.h>
>
>
>int f_stat = 0;
>int f_dir = 0;
>int f_read = 0;
>int f_write = 0;
>int f_acl = 0;
>int f_attr = 0;
>int f_user = 0;
>
>char *
>mode2type(mode_t m) {
>  if (S_ISDIR(m))
>    return "dir";
>
>  if (S_ISLNK(m))
>    return "symlink";
>
>  if (S_ISBLK(m))
>    return "block";
>
>  if (S_ISCHR(m))
>    return "char";
>
>  if (S_ISREG(m))
>    return "file";
>
>  return "other";
>}
>
>
>int
>test_acl_fd(char *pfx,
>	    int fd) {
>  char *acebuf;
>  int rc, na;
>  
>
>  if (!f_acl)
>    return 0;
>  
>  na = facl(fd, ACE_GETACLCNT, 0, NULL);
>  if (na < 0) {
>    printf("%sfacl(%d, ACE_GETACLCNT) -> %d [errno=%d (%s)]\n",
>	   pfx, fd, na, errno, strerror(errno));
>    return -1;
>  }
>  printf("%sfacl(%d, ACE_GETACLCNT) -> %d\n", pfx, fd, na);
>
>  if (f_read || f_write) {
>    acebuf = malloc(na*sizeof(ace_t));
>    if (!acebuf)
>      abort();
>
>    rc = facl(fd, ACE_GETACL, na, acebuf);
>    if (rc < 0) {
>      printf("%sfacl(%d, ACE_GETACL) -> %d [errno=%d (%s)]\n",
>	     pfx, fd, na, errno, strerror(errno));
>      free(acebuf);
>      return -2;
>    }
>    printf("%sfacl(%d, ACE_GETACL) -> %d\n", pfx, fd, na);
>
>
>    if (f_write) {
>      rc = facl(fd, ACE_SETACL, na, acebuf);
>      if (rc < 0) {
>	printf("%sfacl(%d, ACE_SETACL) -> %d [errno=%d (%s)]\n",
>	       pfx, fd, na, errno, strerror(errno));
>	free(acebuf);
>	return -3;
>      }
>      printf("%sfacl(%d, ACE_SETACL) -> %d\n", pfx, fd, na);
>    }
>    
>    free(acebuf);
>  }
>
>  return 0;
>}
>
>
>int
>test_acl_file(char *pfx,
>	      char *path) {
>  char *acebuf;
>  int rc, na;
>  
>
>  if (!f_acl)
>    return 0;
>
>  na = acl(path, ACE_GETACLCNT, 0, NULL);
>  if (na < 0) {
>    printf("%sacl(\"%s\", ACE_GETACLCNT) -> %d [errno=%d (%s)]\n",
>	   pfx, path, na, errno, strerror(errno));
>    return -1;
>  }
>  printf("%sacl(\"%s\", ACE_GETACLCNT) -> %d\n", pfx, path, na);
>
>  if (f_read || f_write) {
>    acebuf = malloc(na*sizeof(ace_t));
>    if (!acebuf)
>      abort();
>
>    rc = acl(path, ACE_GETACL, na, acebuf);
>    if (rc < 0) {
>      printf("%sacl(\"%s\", ACE_GETACL) -> %d [errno=%d (%s)]\n",
>	     pfx, path, na, errno, strerror(errno));
>      free(acebuf);
>      return -2;
>    }
>    printf("%sacl(\"%s\", ACE_GETACL) -> %d\n", pfx, path, na);
>
>
>    if (f_write) {
>      rc = acl(path, ACE_SETACL, na, acebuf);
>      if (rc < 0) {
>	printf("%sacl(\"%s\", ACE_SETACL) -> %d [errno=%d (%s)]\n",
>	       pfx, path, na, errno, strerror(errno));
>	free(acebuf);
>	return -3;
>      }
>      printf("%sacl(\"%s\", ACE_SETACL) -> %d\n", pfx, path, na);
>    }
>    
>    free(acebuf);
>  }
>
>  return 0;
>}
>
>
>
>void
>list_attrnames(char *pfx,
>	       void *buf,
>	       ssize_t len,
>	       char *attrname) {
>  unsigned char *bp = (unsigned char *) buf;
>  int na = 0;
>
>  
>  while (len > 0 && *bp != 0) {
>    if (attrname) {
>      memcpy(attrname, bp+1, (int) *bp);
>      attrname[*bp] = '\0';
>    }
>    
>    printf("%s  - %.*s\n", pfx, (int) *bp, bp+1);
>    len -= *bp+1;
>    bp += *bp+1;
>  }
>}
>
>
>void
>print_attr(int len,
>	   unsigned char *buf) {
>  int i;
>  
>  for (i = 0; i < len && isprint(buf[i]); i++)
>    ;
>  if (i >= len)
>    printf("\"%.*s\"", len, buf);
>  else
>    for (i = 0; i < len; i++)
>      printf("%02X ", buf[i]);
>}
>
>int
>test_attr_fd(char *pfx,
>	     int fd) {
>  int rc;
>
>  if (!f_attr)
>    return 0;
>  
>  rc = extattr_list_fd(fd, EXTATTR_NAMESPACE_SYSTEM, NULL, 0);
>  if (rc < 0) {
>    printf("%sextattr_list_fd(%d, EXTATTR_NAMESPACE_SYSTEM, NULL, 0) -> %d [errno=%d (%s)]\n",
>	   pfx, fd, rc, errno, strerror(errno));
>  } else {
>    char *buf;
>    int len;
>
>    
>    printf("%sextattr_list_fd(%d, EXTATTR_NAMESPACE_SYSTEM, NULL, 0) -> %d\n",
>	   pfx, fd, rc);
>
>    if (f_read) {
>      len = rc;
>      buf = malloc(len);
>      rc = extattr_list_fd(fd, EXTATTR_NAMESPACE_SYSTEM, buf, len);
>      if (rc < 0) {
>	printf("%sextattr_list_fd(%d, EXTATTR_NAMESPACE_SYSTEM, %p, %d) -> %d [errno=%d (%s)]\n",
>	       pfx, fd, buf, len, rc, errno, strerror(errno));
>      } else {
>	list_attrnames(pfx, buf, rc, NULL);
>      }
>      free(buf);
>    }
>  }
>  
>
>  rc = extattr_list_fd(fd, EXTATTR_NAMESPACE_USER, NULL, 0);
>  if (rc < 0) {
>    printf("%sextattr_list_fd(%d, EXTATTR_NAMESPACE_USER, NULL, 0) -> %d [errno=%d (%s)]\n",
>	   pfx, fd, rc, errno, strerror(errno));
>  } else {
>    char *buf;
>    int len;
>
>    
>    printf("%sextattr_list_fd(%d, EXTATTR_NAMESPACE_USER, NULL, 0) -> %d\n",
>	   pfx, fd, rc);
>
>    if (f_read) {
>      char attrname[257];
>      unsigned char databuf[256];
>      int read_test_done = 0;
>      
>
>      attrname[0] = '\0';
>      
>      len = rc;
>      buf = malloc(len);
>      rc = extattr_list_fd(fd, EXTATTR_NAMESPACE_USER, buf, len);
>      if (rc < 0) {
>	printf("%sextattr_list_fd(%d, EXTATTR_NAMESPACE_USER, %p, %d) -> %d [errno=%d (%s)]\n",
>	       pfx, fd, buf, len, rc, errno, strerror(errno));
>      } else {
>	printf("%sextattr_list_fd(%d, EXTATTR_NAMESPACE_USER, %p, %d) -> %d\n",
>	       pfx, fd, buf, len, rc);
>	list_attrnames(pfx, buf, rc, attrname);
>      }
>      free(buf);
>
>      if (attrname[0]) {
>	rc = extattr_get_fd(fd, EXTATTR_NAMESPACE_USER, attrname, databuf, sizeof(databuf));
>	if (rc < 0) {
>	  printf("%sextattr_get_fd(%d, EXTATTR_NAMESPACE_USER, \"%s\", %p, %lu) -> %d [errno=%d (%s)]\n",
>		 pfx, fd, attrname, databuf, sizeof(databuf), rc, errno, strerror(errno));
>	} else {
>	  printf("%sextattr_get_fd(%d, EXTATTR_NAMESPACE_USER, \"%s\", %p, %lu) -> %d\n",
>		 pfx, fd, attrname, databuf, sizeof(databuf), rc);
>	  printf("%s  %s = ", pfx, attrname);
>	  print_attr(rc, databuf);
>	  putchar('\n');
>	  read_test_done = 1;
>	}
>      }
>      
>      if (f_write) {
>	strcpy(attrname, "liu.se-test");
>      
>	rc = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, attrname, databuf, sizeof(databuf));
>	if (rc < 0) {
>	  printf("%sextattr_set_fd(%d, EXTATTR_NAMESPACE_USER, %s, %p, %lu) -> %d [errno=%d (%s)]\n",
>		 pfx, fd, attrname, databuf, sizeof(databuf), rc, errno, strerror(errno));
>	} else {
>	  printf("%sextattr_set_fd(%d, EXTATTR_NAMESPACE_USER, \"%s\", %p, %lu) -> %d\n",
>		 pfx, fd, attrname, databuf, sizeof(databuf), rc);
>	  
>	  if (!read_test_done) {
>	    rc = extattr_get_fd(fd, EXTATTR_NAMESPACE_USER, attrname, databuf, sizeof(databuf));
>	    if (rc < 0) {
>	      printf("%sextattr_get_fd(%d, EXTATTR_NAMESPACE_USER, \"%s\", %p, %lu) -> %d [errno=%d (%s)]\n",
>		     pfx, fd, attrname, databuf, sizeof(databuf), rc, errno, strerror(errno));
>	    } else {
>	      printf("%sextattr_get_fd(%d, EXTATTR_NAMESPACE_USER, \"%s\", %p, %lu) -> %d\n",
>		     pfx, fd, attrname, databuf, sizeof(databuf), rc);
>	      printf("%s  %s = ", pfx, attrname);
>	      print_attr(rc, databuf);
>	      putchar('\n');
>	    }
>	  }
>	  
>	  rc = extattr_delete_fd(fd, EXTATTR_NAMESPACE_USER, attrname);
>	  if (rc < 0) {
>	    printf("%sextattr_delete_fd(%d, EXTATTR_NAMESPACE_USER, \"%s\") -> %d [errno=%d (%s)]\n",
>		   pfx, fd, attrname, rc, errno, strerror(errno));
>	  } else {
>	    printf("%sextattr_delete_fd(%d, EXTATTR_NAMESPACE_USER, \"%s\") -> %d\n",
>		   pfx, fd, attrname, rc);
>	  }
>	}
>      }
>    }
>  }
>
>  return 0;
>}
>
>
>int
>test_attr_file(char *pfx,
>	       char *path) {
>  int rc;
>
>  if (!f_attr)
>    return 0;
>  
>  rc = extattr_list_file(path, EXTATTR_NAMESPACE_USER, NULL, 0);
>  if (rc < 0) {
>    printf("%sextattr_list_file(\"%s\", EXTATTR_NAMESPACE_USER, NULL, 0) -> %d [errno=%d (%s)]\n",
>	   pfx, path, rc, errno, strerror(errno));
>  } else {
>    printf("%sextattr_list_file(\"%s\", EXTATTR_NAMESPACE_USER, NULL, 0) -> %d\n",
>	   pfx, path, rc);
>  }
>
>  rc = extattr_list_file(path, EXTATTR_NAMESPACE_SYSTEM, NULL, 0);
>  if (rc < 0) {
>    printf("%sextattr_list_file(\"%s\", EXTATTR_NAMESPACE_SYSTEM, NULL, 0) -> %d [errno=%d (%s)]\n",
>	   pfx, path, rc, errno, strerror(errno));
>  } else {
>    printf("%sextattr_list_file(\"%s\", EXTATTR_NAMESPACE_SYSTEM, NULL, 0) -> %d\n",
>	   pfx, path, rc);
>  }
>  
>  return 0;
>}
>
>
>int
>main(int argc,
>     char *argv[]) {
>  int fd, rfd;
>  char buf[2048];
>  int na, rc;
>  struct stat sb;
>  int i, j;
>  int dfd;
>  char path[2048];
>  int uid = 0;
>
>  for (i = 1; i < argc && argv[i][0] == '-'; i++) {
>    for (j = 1; argv[i][j]; j++) {
>      switch (argv[i][j]) {
>      case 'h':
>	printf("Usage:\n  %s [<options>] <basedir> <path>\n\n", argv[0]);
>	puts("Options:");
>	puts("  -h        Display this information");
>	puts("  -s        Do stat() once before using fdescfs fd's");
>	puts("  -ss       Do stat() twice before using fdescfs fd's");
>	puts("  -d        Set O_DIRECTORY on open operations");
>	puts("  -a        Perform ACL tests");
>	puts("  -x        Perform extattr tests");
>	puts("  -r        Perform read tests");
>	puts("  -w        Perform write tests");
>	puts("  -u        Call seteuid before tests (with basedir owner)");
>	puts("  -uu       Call setuid before tests (with basedir owner)");
>	exit(0);
>	
>      case 's':
>	f_stat++;
>	break;
>      case 'd':
>	f_dir++;
>	break;
>      case 'r':
>	f_read++;
>	break;
>      case 'w':
>	f_write++;
>	break;
>      case 'a':
>	f_acl++;
>	break;
>      case 'x':
>	f_attr++;
>	break;
>      case 'u':
>	f_user++;
>	break;
>      default:
>	fprintf(stderr, "%s: Error: -%c: Invalid switch\n", argv[0], argv[i][j]);
>	exit(1);
>      }
>    }
>  NextArg:;
>  }
>  
>  if (i+1 >= argc) {
>    fprintf(stderr, "%s: Error: Missing required <basedir> <path> arguments\n",
>	    argv[0]);
>    exit(1);
>  }
>
>  if (f_user) {
>    if (stat(argv[i], &sb) < 0) {
>      fprintf(stderr, "%s: Error: stat(\"%s\"): %s\n",
>	      argv[0], argv[i], strerror(errno));
>      exit(1);
>    }
>
>    if (f_user == 1) {
>      if (seteuid(sb.st_uid) < 0) {
>	fprintf(stderr, "%s: Error: seteuid(%d): %s\n",
>		argv[0], sb.st_uid, strerror(errno));
>	exit(1);
>      } else {
>	if (setuid(sb.st_uid) < 0) {
>	  fprintf(stderr, "%s: Error: setuid(%d): %s\n",
>		  argv[0], sb.st_uid, strerror(errno));
>	  exit(1);
>	}
>      }
>    }
>  }
>  
>  dfd = open(argv[i], O_PATH);
>  if (dfd < 0) {
>    fprintf(stderr, "%s: Error: open(\"%s\", O_PATH): %s\n",
>	    argv[0], argv[i], strerror(errno));
>    exit(1);
>  } else
>    printf("open(\"%s\", O_PATH) -> %d\n", argv[i], dfd);
>
>
>
>  test_acl_fd("  ", dfd);
>  test_attr_fd("  ", dfd);
>
>
>  fd = openat(dfd, argv[i+1], O_RDONLY);
>  if (fd < 0) {
>    printf("  openat(%d, \"%s\", O_RDONLY) -> %d [errno=%d (%s)]\n", dfd, argv[i+1], fd, errno, strerror(errno));
>  } else {
>    printf("  openat(%d, \"%s\", O_RDONLY) -> %d\n", dfd, argv[i+1], fd);
>
>    test_acl_fd("    ", fd);
>    test_attr_fd("    ", fd);
>
>    sprintf(buf, "/compat/linux/dev/fd/%d", fd);
>
>    if (f_stat) {
>      for (i = 0; i < f_stat; i++) {
>	if ((rc = stat(buf, &sb)) < 0) {
>	  printf("    stat(\"%s\") -> %d [errno=%d (%s)]\n", buf, rc, errno, strerror(errno));
>	} else {
>	  printf("    stat(\"%s\") -> %d [type=%s, size=%lu, uid=%u, gid=%u]\n", buf, rc, mode2type(sb.st_mode), sb.st_size, sb.st_uid, sb.st_gid);
>	  if (S_ISLNK(sb.st_mode)) {
>	    rc = readlink(buf, path, sizeof(path));
>	    if (rc < 0) {
>	      printf("    readlink(\"%s\") -> %d [errno=%d (%s)]\n", buf, rc, errno, strerror(errno));
>	    } else {
>	      path[rc] = '\0';
>	      printf("    readlink(\"%s\") -> %d [path=%s]\n", buf, rc, path);
>	    }
>	  }
>	}
>      }
>    }
>
>    test_acl_file("    ", buf);
>    test_attr_file("    ", buf);
>    close(fd);
>  }
>
>
>  
>  fd = openat(dfd, argv[i+1], O_PATH);
>  if (fd < 0) {
>    printf("  openat(%d, \"%s\", O_PATH) -> %d [errno=%d (%s)]\n", dfd, argv[i+1], fd, errno, strerror(errno));
>  } else {
>    printf("  openat(%d, \"%s\", O_PATH) -> %d\n", dfd, argv[i+1], fd);
>
>    test_acl_fd("    ", fd);
>    test_attr_fd("    ", fd);
>    
>    
>    sprintf(buf, "/compat/linux/dev/fd/%d", fd);
>    
>    if (f_stat) {
>      for (i = 0; i < f_stat; i++) {
>	if ((rc = stat(buf, &sb)) < 0) {
>	  printf("    stat(\"%s\") -> %d [errno=%d (%s)]\n", buf, rc, errno, strerror(errno));
>	} else {
>	  printf("    stat(\"%s\") -> %d [type=%s, size=%lu, uid=%u, gid=%u]\n", buf, rc, mode2type(sb.st_mode), sb.st_size, sb.st_uid, sb.st_gid);
>	  if (S_ISLNK(sb.st_mode)) {
>	    rc = readlink(buf, path, sizeof(path));
>	    if (rc < 0) {
>	      printf("    readlink(\"%s\") -> %d [errno=%d (%s)]\n", buf, rc, errno, strerror(errno));
>	    } else {
>	      path[rc] = '\0';
>	      printf("    readlink(\"%s\") -> %d [path=%s]\n", buf, rc, path);
>	    }
>	  }
>	}
>      }
>    }
>
>    test_acl_file("    ", buf);
>    test_attr_file("    ", buf);
>
>    
>    rfd = openat(fd, "", O_EMPTY_PATH);
>    if (rfd < 0) {
>      printf("    openat(%d, \"\", O_EMPTY_PATH) -> %d [errno=%d (%s)]\n", fd, rfd, errno, strerror(errno));
>    } else {
>      printf("    openat(%d, \"\", O_EMPTY_PATH) -> %d\n", fd, rfd);
>
>      test_acl_fd("      ", rfd);
>      test_attr_fd("      ", rfd);
>      
>      close(rfd);
>    }
>    
>    rfd = open(buf, O_RDONLY|(f_dir ? O_DIRECTORY : 0));
>    if (rfd < 0) {
>      printf("    open(\"%s\", O_RDONLY) -> %d [errno=%d (%s)]\n", buf, rfd, errno, strerror(errno));
>    } else {
>      printf("    open(\"%s\", O_RDONLY) -> %d\n", buf, rfd);
>
>      test_acl_fd("      ", rfd);
>      test_attr_fd("      ", rfd);
>      
>      close(rfd);
>    }
>    close(fd);
>  }
>  
>  exit(0);
>}

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Attachments on bug 15376: 17900 | 17901 | 17913 | 17935 | 18181 | 18524 | 18525