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1f68c1aaf3
Ensure that the path to a dump image specified in the NGDump meta file of a dump device points to a valid location within the dump device. Especially, disallow escaping from a dump device with a dump image path using references to '..' or symbolic links pointing outside of the dump device. Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com> Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
39 lines
900 B
C
39 lines
900 B
C
/*
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* zgetdump - Tool for copying and converting System z dumps
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*
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* NGDump dump tool
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*
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* Copyright IBM Corp. 2021
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#ifndef ZGETDUMP_NGDUMP_H
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#define ZGETDUMP_NGDUMP_H
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#include "zg.h"
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#define NGDUMP_FSTYPE "ext4"
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struct ngdump_meta {
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int version;
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const char *file;
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const char *sha256sum;
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};
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enum ngdump_disk_type {
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NG_TYPE_DASD,
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NG_TYPE_NVME,
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};
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int ngdump_read_meta_from_device(const char *device, struct ngdump_meta *meta);
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int ngdump_get_dump_part(struct zg_fh *zg_fh, char **part_path);
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int ngdump_get_part_path(const char *disk_path, int part_num,
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enum ngdump_disk_type ng_type, char **part_path);
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int ngdump_get_dump_path(const char *mount_point,
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const struct ngdump_meta *meta,
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char **path);
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#endif /* ZGETDUMP_NGDUMP_H */
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