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https://github.com/ibm-s390-linux/s390-tools.git
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360e8d4156
Reduce chances of unintended side-effects when evaluating firmware data which might have been corrupted. Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com> Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com> Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
39 lines
836 B
C
39 lines
836 B
C
/*
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* zdev - Modify and display the persistent configuration of devices
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*
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* Copyright IBM Corp. 2026
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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 SANITIZE_H
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#define SANITIZE_H
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#include <ctype.h>
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#include <string.h>
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/* Valid control-program identifier special characters */
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#define VALID_CPNAME "/"
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/* Valid attribute key special characters */
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#define VALID_ATTRKEY "/:"
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/* Valid attribute value special characters */
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#define VALID_ATTRVAL "/-+:.,_ "
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static inline int is_safe_char(unsigned char c, const char *set)
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{
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return isalnum(c) || strchr(set, c);
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}
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static inline void sanitize(char *s, const char *set)
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{
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for (; *s; s++) {
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if (!is_safe_char((unsigned char)*s, set))
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*s = '_';
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}
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}
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#endif /* SANITIZE_H */
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