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Signed-off-by: Guillem Jover <guillem@debian.org>
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Dan Walsh <dwalsh@redhat.com>
93 lines
2.8 KiB
Groff
93 lines
2.8 KiB
Groff
.TH "matchpathcon" "3" "21 November 2009" "sds@tycho.nsa.gov" "SELinux API documentation"
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.SH "NAME"
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matchpathcon, matchpathcon_index \- get the default SELinux security context for the specified path from the file contexts configuration
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.
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.SH "SYNOPSIS"
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.B #include <selinux/selinux.h>
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.sp
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.BI "int matchpathcon_init(const char *" path ");"
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.sp
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.BI "int matchpathcon_init_prefix(const char *" path ", const char *" subset ");"
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.sp
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.BI "int matchpathcon_fini(void);"
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.sp
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.BI "int matchpathcon(const char *" path ", mode_t " mode ", security_context_t *" con ");
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.sp
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.BI "int matchpathcon_index(const char *" name ", mode_t " mode ", security_context_t *" con ");"
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.
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.SH "DESCRIPTION"
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.BR matchpathcon_init ()
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loads the file contexts configuration specified by
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.I path
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into memory for use by subsequent
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.BR matchpathcon ()
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calls. If
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.I path
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is NULL, then the active file contexts configuration is loaded by default,
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i.e. the path returned by
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.BR selinux_file_context_path (3).
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Unless the
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.B MATCHPATHCON_BASEONLY
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flag has been set via
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.BR \%set_matchpathcon_flags (3),
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files with the same path prefix but a
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.B \%.homedirs
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and
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.B .local
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suffix are also looked up and loaded if present. These files provide
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dynamically generated entries for user home directories and for local
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customizations.
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.BR matchpathcon_init_prefix ()
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is the same as
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.BR matchpathcon_init ()
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but only loads entries with regular expressions that have stems prefixed
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by
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.I \%prefix.
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.BR matchpathcon_fini ()
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frees the memory allocated by a prior call to
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.BR matchpathcon_init. ()
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This function can be used to free and reset the internal state between multiple
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.BR matchpathcon_init ()
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calls, or to free memory when finished using
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.BR matchpathcon ().
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.BR matchpathcon ()
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matches the specified pathname and mode against the file contexts
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configuration and sets the security context
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.I con
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to refer to the
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resulting context. The caller must free the returned security context
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.I con
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using
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.BR freecon (3)
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when finished using it.
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.I mode
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can be 0 to disable mode matching, but
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should be provided whenever possible, as it may affect the matching.
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Only the file format bits (i.e. the file type) of the
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.I mode
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are used.
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If
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.BR matchpathcon_init ()
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has not already been called, then this function will call it upon
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its first invocation with a NULL
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.I path,
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defaulting to the active file contexts configuration.
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.BR matchpathcon_index ()
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is the same as
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.BR matchpathcon ()
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but returns a specification index that can later be used in a
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.BR matchpathcon_filespec_add (3)
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call.
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.
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.SH "RETURN VALUE"
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Returns zero on success or \-1 otherwise.
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.
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.SH "SEE ALSO"
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.ad l
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.nh
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.BR selinux "(8), " set_matchpathcon_flags "(3), " set_matchpathcon_invalidcon "(3), " set_matchpathcon_printf "(3), " matchpathcon_filespec_add "(3), " matchpathcon_checkmatches "(3), " freecon "(3), " setfilecon "(3), " setfscreatecon "(3)"
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