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Diffstat (limited to 'test/gen_bad_offset.c')
| -rw-r--r-- | test/gen_bad_offset.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/test/gen_bad_offset.c b/test/gen_bad_offset.c new file mode 100644 index 0000000..82e94cd --- /dev/null +++ b/test/gen_bad_offset.c @@ -0,0 +1,147 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/* + * Purpose: Generate an HDF5 file for testing H5FFV-10216 + */ +#include "h5test.h" + +#define TESTFILE "bad_offset.h5" +#define GRP1 "group1" +#define GRP2 "group2" +#define DSET "dsetA" +#define SOFT1 "soft_one" +#define SOFT2 "soft_two" + + + +/*------------------------------------------------------------------------- + * Function: main + * + * Generate an HDF5 file with groups, datasets and symbolic links. + * After the file is generated, write bad offset values to + * the heap at 3 locations in the file: + * (A) Open the file: + * fd = HDopen(TESTFILE, O_RDWR, 0663); + * (B) Position the file at: + * (1) HDlseek(fd, (HDoff_t)880, SEEK_SET); + * "/group1/group2": replace heap offset "8" by bad offset + * (2) HDlseek(fd, (HDoff_t)1512, SEEK_SET); + * "/dsetA": replace name offset into private heap "72" by bad offset + * (3) HDlseek(fd, (HDoff_t)1616, SEEK_SET); + * /soft_one: replace link value offset in the scratch pad "32" by bad offset + * (C) Write the bad offset value to the file for (1), (2) and (3): + * write(fd, &val, sizeof(val)); + * + * Note: if the groups/datasets/symbolic links are changed in the file, + * the above locations need to be adjusted accordingly. + * + * Return: EXIT_SUCCESS/EXIT_FAILURE + * + *------------------------------------------------------------------------- + */ +int +main(void) +{ + hid_t fid = -1, gid1 = -1, gid2 = -1; /* File and group IDs */ + hid_t did = -1, sid = -1; /* Dataset and dataspace IDs */ + int fd = -1; /* File descriptor */ + int64_t val = 999; /* Bad offset value */ + + /* Create the test file */ + if((fid = H5Fcreate(TESTFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0) + FAIL_STACK_ERROR + + /* Create two groups */ + if((gid1 = H5Gcreate2(fid, GRP1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) + FAIL_STACK_ERROR + if((gid2 = H5Gcreate2(gid1, GRP2, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) + FAIL_STACK_ERROR + + /* Close the groups */ + if(H5Gclose(gid1) < 0) + FAIL_STACK_ERROR + if(H5Gclose(gid2) < 0) + FAIL_STACK_ERROR + + /* Create soft links to the groups */ + if(H5Lcreate_soft("/group1", fid, SOFT1, H5P_DEFAULT, H5P_DEFAULT) < 0) + FAIL_STACK_ERROR + if(H5Lcreate_soft("/group1/group2", fid, SOFT2, H5P_DEFAULT, H5P_DEFAULT) < 0) + FAIL_STACK_ERROR + + /* Create a dataset */ + if((sid = H5Screate(H5S_SCALAR)) < 0) + FAIL_STACK_ERROR + if((did = H5Dcreate2(fid, DSET, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) + FAIL_STACK_ERROR + + /* Close the dataset */ + if(H5Dclose(did) < 0) + FAIL_STACK_ERROR + + /* Close the dataspace */ + if(H5Sclose(sid) < 0) + FAIL_STACK_ERROR + + /* Close the file */ + if(H5Fclose(fid) < 0) + FAIL_STACK_ERROR + + /* + * Write bad offset values at 3 locations in the file + */ + + /* Open the file */ + if((fd = HDopen(TESTFILE, O_RDWR, 0663)) < 0) + FAIL_STACK_ERROR + + /* Position the file for /group1/group2: replace heap offset "8" by bad offset */ + if(HDlseek(fd, (HDoff_t)880, SEEK_SET) < 0) + FAIL_STACK_ERROR + /* Write the bad offset value to the file */ + if(HDwrite(fd, &val, sizeof(val)) < 0) + FAIL_STACK_ERROR + + /* Position the file for /dsetA: replace name offset into private heap "72" by bad offset */ + if(HDlseek(fd, (HDoff_t)1512, SEEK_SET) < 0) + FAIL_STACK_ERROR + /* Write the bad offset value to the file */ + if(HDwrite(fd, &val, sizeof(val)) < 0) + FAIL_STACK_ERROR + + /* Position the file for /soft_one: replace link value offset in the scratch pad "32" by bad offset */ + if(HDlseek(fd, (HDoff_t)1616, SEEK_SET) < 0) + FAIL_STACK_ERROR + /* Write the bad offset value to the file */ + if(HDwrite(fd, &val, sizeof(val)) < 0) + FAIL_STACK_ERROR + + /* Close the file */ + if(HDclose(fd) < 0) + FAIL_STACK_ERROR + + return EXIT_SUCCESS; + +error: + H5E_BEGIN_TRY { + H5Gclose(gid1); + H5Gclose(gid2); + H5Dclose(did); + H5Sclose(sid); + H5Fclose(fid); + } H5E_END_TRY; + + return EXIT_FAILURE; +} /* end main() */ + |