Attachment 242920 Details for Bug 272127 – Test program

Test program

fdescfs-test.c (text/plain), 5.53 KB, created by Peter Eriksson on 2023-06-21 14:00:41 UTC

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Creator: Peter Eriksson

Created: 2023-06-21 14:00:41 UTC

Size: 5.53 KB

patch

obsolete

>/*
> * fdescfs-test.c
> *
> * Compile with:
> *  cc -o t t.c -I/usr/local/include -L/usr/local/lib -lsunacl
> */
>
>#include <stdio.h>
>#include <fcntl.h>
>#include <errno.h>
>#include <stdlib.h>
>#include <string.h>
>#include <unistd.h>
>#include <time.h>
>#include <sys/types.h>
>#include <sys/stat.h>
>#include <sunacl.h>
>
>int f_stat = 0;
>int f_dir = 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
>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 's':
>	f_stat++;
>	break;
>      case 'd':
>	f_dir++;
>	break;
>      default:
>	fprintf(stderr, "%s: Error: -%c: Invalid switch\n", argv[0], argv[i][j]);
>	exit(1);
>      }
>
>  if (i+1 >= argc) {
>    fprintf(stderr, "%s: Error: Missing required <dir> <path> arguments\n",
>	    argv[0]);
>    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);
>
>
>  
>  na = facl(dfd, ACE_GETACLCNT, 0, NULL);
>  if (na < 0) {
>    printf("  facl(%d, ACE_GETACLCNT) -> %d [errno=%d (%s)]\n", dfd, na, errno, strerror(errno));
>  } else 
>    printf("  facl(%d, ACE_GETACLCNT) -> %d\n", dfd, na);
>  
>
>
>  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);
>
>    na = facl(fd, ACE_GETACLCNT, 0, NULL);
>    if (na < 0) {
>      printf("    facl(%d, ACE_GETACLCNT) -> %d [errno=%d (%s)]\n", fd, na, errno, strerror(errno));
>    } else
>      printf("    facl(%d, ACE_GETACLCNT) -> %d\n", fd, na);
>    
>
>    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);
>	    }
>	  }
>	}
>      }
>    }
>    
>    na = acl(buf, ACE_GETACLCNT, 0, NULL);
>    if (na < 0) {
>      printf("    acl(\"%s\", ACE_GETACLCNT) -> %d [errno=%d (%s)]\n", buf, na, errno, strerror(errno));
>    } else
>      printf("    acl(\"%s\", ACE_GETACLCNT) -> %d\n", buf, na);
>
>    
>    
>    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);
>
>    na = facl(fd, ACE_GETACLCNT, 0, NULL);
>    if (na < 0) {
>      printf("    facl(%d, ACE_GETACLCNT) -> %d [errno=%d (%s)]\n", fd, na, errno, strerror(errno));
>    } else
>      printf("    facl(%d, ACE_GETACLCNT) -> %d\n", fd, na);
>    
>    
>    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);
>	    }
>	  }
>	}
>      }
>    }
>    
>    na = acl(buf, ACE_GETACLCNT, 0, NULL);
>    if (na < 0) {
>      printf("    acl(\"%s\", ACE_GETACLCNT) -> %d [errno=%d (%s)]\n", buf, na, errno, strerror(errno));
>    } else
>      printf("    acl(\"%s\", ACE_GETACLCNT) -> %d\n", buf, na);
>
>    
>    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);
>    
>      na = facl(rfd, ACE_GETACLCNT, 0, NULL);
>      if (na < 0) {
>	printf("      facl(%d, ACE_GETACLCNT) -> %d [errno=%d (%s)]\n", rfd, na, errno, strerror(errno));
>      } else
>	printf("      facl(%d, ACE_GETACLCNT) -> %d\n", rfd, na);
>      
>      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);
>    
>      na = facl(rfd, ACE_GETACLCNT, 0, NULL);
>      if (na < 0) {
>	printf("      facl(%d, ACE_GETACLCNT) -> %d [errno=%d (%s)]\n", rfd, na, errno, strerror(errno));
>      } else 
>	printf("      facl(%d, ACE_GETACLCNT) -> %d\n", rfd, na);
>      
>      close(rfd);
>    }
>    close(fd);
>  }
>  
>  exit(0);
>}

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Attachments on bug 272127: 242920