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32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
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#ifndef REDPILLLKM_CMDLINE_DELEGATE_H
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#define REDPILLLKM_CMDLINE_DELEGATE_H
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#include "runtime_config.h"
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#include "cmdline_opts.h"
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/**
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* Provides an easy access to kernel cmdline
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*
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* Internally in the kernel code it is available as "saved_command_line". However that variable is not accessible for
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* modules. This function populates a char buffer with the cmdline extracted using other methods.
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*
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* WARNING: if something (e.g. sanitize cmdline) overrides the cmdline this method will return the overridden one!
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* However, this method caches the cmdline, so if you call it once it will cache the original one internally.
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*
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* @param cmdline_out A pointer to your buffer to save the cmdline
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* @param maxlen Your buffer space (in general you should use CMDLINE_MAX)
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* @return cmdline length on success or -E on error
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*/
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long get_kernel_cmdline(char *cmdline_out, unsigned long maxlen);
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/**
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* Extracts & processes parameters from kernel cmdline
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*
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* Note: it's not guaranteed that the config will be valid. Check runtime_config.h.
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*
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* @param config pointer to save configuration
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*/
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int extract_config_from_cmdline(struct runtime_config *config);
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#endif //REDPILLLKM_CMDLINE_DELEGATE_H
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