lib/rpmsx.c File Reference

#include "system.h"
#include <rpmlib.h>
#include <rpmio.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

Detailed Description

Definition in file rpmsx.c.


Define Documentation

#define _RPMSX_INTERNAL

Definition at line 10 of file rpmsx.c.

 
#define inc_err (  )     nerr++

Referenced by rpmsxParse().


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 139 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 571 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 532 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 651 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 183 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 589 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 227 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 598 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 639 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 537 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 511 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 607 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 316 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 553 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 277 of file rpmsx.c.

Referenced by rpmsxParse().

static void rpmsxpHasMetaChars ( rpmsxp  sxp  )  [static]

Definition at line 58 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 580 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 542 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 122 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 24 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 100 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 562 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 214 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 203 of file rpmsx.c.

References _rpmsx_debug.


Variable Documentation

int _rpmsx_debug = 0

Definition at line 18 of file rpmsx.c.

Referenced by rpmsxFree(), rpmsxNext(), XrpmsxLink(), and XrpmsxUnlink().

Generated on Wed Jun 30 10:56:15 2010 for rpm by  doxygen 1.6.3