lib/rpmsx.c File Reference

#include "system.h"
#include <rpmlib.h>
#include <rpmmacro.h>
#include "rpmsx.h"
#include "debug.h"

Include dependency graph for rpmsx.c:

Go to the source code of this file.

Defines
#define	_RPMSX_INTERNAL
#define	inc_err()   nerr++
Functions
static void	rpmsxSort (rpmsx sx)
	Stable sort for policy specifications, patterns before paths.
static void	rpmsxpHasMetaChars (rpmsxp sxp)
static size_t	rpmsxsPStem (const char *const buf)
	Return the length of the text that can be considered the stem.
static size_t	rpmsxsFStem (const char *const buf)
	Return the length of the text that is the stem of a file name.
static int	rpmsxAdd (rpmsx sx, const char **bpp)
	Find (or create) the stem of a file spec.
static int	rpmsxFind (const rpmsx sx, const char **bpp)
	Find the stem of a file name.
rpmsx	XrpmsxUnlink (rpmsx sx, const char *msg, const char *fn, unsigned ln)
rpmsx	XrpmsxLink (rpmsx sx, const char *msg, const char *fn, unsigned ln)
rpmsx	rpmsxFree (rpmsx sx)
	Destroy a security context patterns.
static int	rpmsxpCheckNoDupes (const rpmsx sx)
	Check for duplicate specifications.
int	rpmsxParse (rpmsx sx, const char *fn)
	Parse selinux file security context patterns.
rpmsx	rpmsxNew (const char *fn)
	Create and load security context patterns.
int	rpmsxCount (const rpmsx sx)
	Return security context patterns count.
int	rpmsxIx (const rpmsx sx)
	Return security context patterns index.
int	rpmsxSetIx (rpmsx sx, int ix)
	Set security context patterns index.
const char *	rpmsxPattern (const rpmsx sx)
	Return current pattern.
const char *	rpmsxType (const rpmsx sx)
	Return current type.
const char *	rpmsxContext (const rpmsx sx)
	Return current context.
regex_t *	rpmsxRE (const rpmsx sx)
	Return current regex.
mode_t	rpmsxFMode (const rpmsx sx)
	Return current file mode.
int	rpmsxFStem (const rpmsx sx)
	Return current file stem.
int	rpmsxNext (rpmsx sx)
	Return next security context patterns iterator index.
rpmsx	rpmsxInit (rpmsx sx, int reverse)
	Initialize security context patterns iterator.
const char *	rpmsxFContext (rpmsx sx, const char *fn, mode_t fmode)
	Find file security context from path and type.
Variables
int	_rpmsx_debug = 0

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Detailed Description

Definition in file rpmsx.c.

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Define Documentation

#define _RPMSX_INTERNAL

Definition at line 9 of file rpmsx.c.

#define inc_err (   )     nerr++

Referenced by rpmsxParse().

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Function Documentation

static int rpmsxAdd (  rpmsx  sx, const char **  bpp )  [static]

Find (or create) the stem of a file spec. Error iff a file in the root directory or a regex that is too complex. Return values: *bpp  ptr to text after stem. Returns: stem index, -1 on error Definition at line 138 of file rpmsx.c. References rpmsxsPStem(), xmalloc(), and xrealloc(). Referenced by rpmsxParse().

const char* rpmsxContext (  const rpmsx  sx  )

Return current context. Parameters: sx  security context patterns Returns: current context, NULL on invalid Definition at line 578 of file rpmsx.c. Referenced by rpmsxFContext().

int rpmsxCount (  const rpmsx  sx  )

Return security context patterns count. Parameters: sx  security context patterns Returns: current count Definition at line 539 of file rpmsx.c.

const char* rpmsxFContext (  rpmsx  sx, const char *  fn, mode_t  fmode )

Find file security context from path and type. Parameters: sx  security context patterns fn  file path fmode  file mode Returns: file security context Definition at line 658 of file rpmsx.c. References rpmsxContext(), rpmsxFind(), rpmsxFMode(), rpmsxFStem(), rpmsxInit(), rpmsxNext(), rpmsxPattern(), and rpmsxRE(). Referenced by fsmMkdirs().

static int rpmsxFind (  const rpmsx  sx, const char **  bpp )  [static]

Find the stem of a file name. Error iff a file in the root directory or a regex that is too complex. Parameters: sx  security context patterns Return values: *bpp  ptr to text after stem. Returns: stem index, -1 on error Definition at line 182 of file rpmsx.c. References rpmsxsFStem(). Referenced by rpmsxFContext().

mode_t rpmsxFMode (  const rpmsx  sx  )

Return current file mode. Parameters: sx  security context patterns Returns: current file mode, 0 on invalid Definition at line 596 of file rpmsx.c. Referenced by rpmsxFContext().

rpmsx rpmsxFree (  rpmsx  sx  )

Destroy a security context patterns. Parameters: sx  security context patterns Returns: NULL always Definition at line 226 of file rpmsx.c. References _free(), _rpmsx_debug, and rpmsxUnlink. Referenced by fsmMkdirs(), rpmsxNew(), rpmtsFree(), and rpmtsSetREContext().

int rpmsxFStem (  const rpmsx  sx  )

Return current file stem. Parameters: sx  security context patterns Returns: current file stem, -1 on invalid Definition at line 605 of file rpmsx.c. Referenced by rpmsxFContext().

rpmsx rpmsxInit (  rpmsx  sx, int  reverse )

Initialize security context patterns iterator. Parameters: sx  security context patterns reverse  iterate in reverse order? Returns: security context patterns Definition at line 646 of file rpmsx.c. Referenced by rpmsxFContext().

int rpmsxIx (  const rpmsx  sx  )

Return security context patterns index. Parameters: sx  security context patterns Returns: current index Definition at line 544 of file rpmsx.c.

rpmsx rpmsxNew (  const char *  fn  )

Create and load security context patterns. Parameters: fn  security context patterns file name Returns: new security context patterns Definition at line 518 of file rpmsx.c. References rpmsxFree(), rpmsxLink, rpmsxParse(), and xcalloc().

int rpmsxNext (  rpmsx  sx  )

Return next security context patterns iterator index. Parameters: sx  security context patterns Returns: security context patterns iterator index, -1 on termination Definition at line 614 of file rpmsx.c. References _rpmsx_debug. Referenced by rpmsxFContext().

int rpmsxParse (  rpmsx  sx, const char *  fn )

Parse selinux file security context patterns. Parameters: sx  security context patterns fn  file name to parse Returns: 0 on success Definition at line 319 of file rpmsx.c. References _, _free(), errno, inc_err, rpmGetPath(), rpmsxAdd(), rpmsxpCheckNoDupes(), rpmsxpHasMetaChars(), rpmsxSort(), S_IFSOCK, security_check_context, xcalloc(), and xmalloc(). Referenced by rpmsxNew().

const char* rpmsxPattern (  const rpmsx  sx  )

Return current pattern. Parameters: sx  security context patterns Returns: current pattern, NULL on invalid Definition at line 560 of file rpmsx.c. Referenced by rpmsxFContext().

static int rpmsxpCheckNoDupes (  const rpmsx  sx  )  [static]

Check for duplicate specifications. If a duplicate specification is found and the context is the same, give a warning to the user. If a duplicate specification is found and the context is different, give a warning to the user (This could be changed to error). Return of non-zero is an error. Parameters: sx  security context patterns Returns: 0 on success Definition at line 280 of file rpmsx.c. Referenced by rpmsxParse().

static void rpmsxpHasMetaChars (  rpmsxp  sxp  )  [static]

Definition at line 57 of file rpmsx.c. Referenced by rpmsxParse().

regex_t* rpmsxRE (  const rpmsx  sx  )

Return current regex. Parameters: sx  security context patterns Returns: current context, NULL on invalid Definition at line 587 of file rpmsx.c. Referenced by rpmsxFContext().

int rpmsxSetIx (  rpmsx  sx, int  ix )

Set security context patterns index. Parameters: sx  security context patterns ix  new index Returns: current index Definition at line 549 of file rpmsx.c.

static size_t rpmsxsFStem (  const char *const   buf  )  [static]

Return the length of the text that is the stem of a file name. Returns: stem length, 0 if no identifiable stem Definition at line 121 of file rpmsx.c. Referenced by rpmsxFind().

static void rpmsxSort (  rpmsx  sx  )  [static]

Stable sort for policy specifications, patterns before paths. Parameters: sx  security context patterns Definition at line 23 of file rpmsx.c. References _free(), and xmalloc(). Referenced by rpmsxParse().

static size_t rpmsxsPStem (  const char *const   buf  )  [static]

Return the length of the text that can be considered the stem. Returns: stem length, 0 if no identifiable stem Definition at line 99 of file rpmsx.c. Referenced by rpmsxAdd().

const char* rpmsxType (  const rpmsx  sx  )

Return current type. Parameters: sx  security context patterns Returns: current type, NULL on invalid/missing Definition at line 569 of file rpmsx.c.

rpmsx XrpmsxLink (  rpmsx  sx, const char *  msg, const char *  fn, unsigned  ln )

Todo: Remove debugging entry from the ABI. Definition at line 213 of file rpmsx.c. References _rpmsx_debug.

rpmsx XrpmsxUnlink (  rpmsx  sx, const char *  msg, const char *  fn, unsigned  ln )

Todo: Remove debugging entry from the ABI. Definition at line 202 of file rpmsx.c. References _rpmsx_debug.

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Variable Documentation

int _rpmsx_debug = 0

Definition at line 17 of file rpmsx.c.

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