rpm 5.2.1
|
File state machine to handle a payload from a package. More...
#include "system.h"
#include <rpmio_internal.h>
#include <rpmcb.h>
#include <rpmtag.h>
#include <rpmtypes.h>
#include "rpmfi.h"
#include <fsm.h>
#include "cpio.h"
#include "tar.h"
#include "rpmte.h"
#include "rpmts.h"
#include "rpmsq.h"
#include "ugid.h"
#include "debug.h"
Go to the source code of this file.
Data Structures | |
struct | dnli_s |
Directory name iterator. More... | |
Defines | |
#define | _RPMFI_INTERNAL |
#define | _IOSM_INTERNAL |
#define | fsmUNSAFE fsmStage |
#define | _USE_RPMTE |
#define | alloca_strdup(_s) strcpy(alloca(strlen(_s)+1), (_s)) |
#define | _FSM_DEBUG 0 |
#define | SUFFIX_RPMORIG ".rpmorig" |
#define | SUFFIX_RPMSAVE ".rpmsave" |
#define | SUFFIX_RPMNEW ".rpmnew" |
#define | _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT) |
#define | IS_DEV_LOG(_x) |
#define | _fafilter(_a) |
Typedefs | |
typedef struct dnli_s * | DNLI_t |
Directory name iterator. | |
Functions | |
static rpmts | fsmGetTs (const IOSM_t fsm) |
Retrieve transaction set from file state machine iterator. | |
static rpmfi | fsmGetFi (const IOSM_t fsm) |
Retrieve transaction element file info from file state machine iterator. | |
static const char * | fsmFsPath (const IOSM_t fsm, const struct stat *st, const char *subdir, const char *suffix) |
Build path to file from file info, ornamented with subdir and suffix. | |
static void * | mapFreeIterator (void *p) |
Destroy file info iterator. | |
static void * | mapInitIterator (rpmfi fi, int reverse) |
Create file info iterator. | |
static int | mapNextIterator (void *a) |
Return next index into file info. | |
static int | cpioStrCmp (const void *a, const void *b) |
static int | mapFind (FSMI_t iter, const char *fsmPath) |
Locate archive path in file info. | |
static void * | dnlFreeIterator (const void *a) |
Destroy directory name iterator. | |
static int | dnlCount (const DNLI_t dnli) |
static int | dnlIndex (const DNLI_t dnli) |
static void * | dnlInitIterator (const IOSM_t fsm, int reverse) |
Create directory name iterator. | |
static const char * | dnlNextIterator (DNLI_t dnli) |
Return next directory name (from file info). | |
int | fsmNext (IOSM_t fsm, iosmFileStage nstage) |
File state machine driver. | |
static int | saveHardLink (IOSM_t fsm) |
Save hard link in chain. | |
static void * | freeHardLink (struct hardLink_s *li) |
Destroy set of hard links. | |
IOSM_t | newFSM (void) |
Create file state machine instance. | |
IOSM_t | freeFSM (IOSM_t fsm) |
Destroy file state machine instance. | |
int | fsmSetup (void *_fsm, iosmFileStage goal, const char *afmt, const void *_ts, const void *_fi, FD_t cfd, unsigned int *archiveSize, const char **failedFile) |
Load external data into file state machine. | |
int | fsmTeardown (void *_fsm) |
Clean file state machine. | |
static int | fsmMapFContext (IOSM_t fsm) |
int | fsmMapPath (IOSM_t fsm) |
Map next file path and action. | |
int | fsmMapAttrs (IOSM_t fsm) |
Map file stat(2) info. | |
static int | extractRegular (IOSM_t fsm) |
Create file from payload stream. | |
static int | writeFile (IOSM_t fsm, int writeData) |
Write next item to payload stream. | |
static int | writeLinkedFile (IOSM_t fsm) |
Write set of linked files to payload stream. | |
static int | fsmMakeLinks (IOSM_t fsm) |
Create pending hard links to existing file. | |
static int | fsmCommitLinks (IOSM_t fsm) |
Commit hard linked file set atomically. | |
static int | fsmRmdirs (IOSM_t fsm) |
Remove (if created) directories not explicitly included in package. | |
static int | fsmMkdirs (IOSM_t fsm) |
Create (if necessary) directories not explicitly included in package. | |
int | fsmStage (IOSM_t fsm, iosmFileStage stage) |
File state machine driver. | |
Variables | |
int | _fsm_debug = 0 |
int | _fsm_threads = 0 |
File state machine to handle a payload from a package.
Definition in file fsm.c.
#define _fafilter | ( | _a | ) |
(!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \ ? iosmFileActionString(_a) : "")
Referenced by fsmStage(), and iosmStage().
#define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT) |
Referenced by fsmSetup(), and iosmSetup().
#define fsmUNSAFE fsmStage |
Definition at line 18 of file fsm.c.
Referenced by fsmMakeLinks(), fsmMkdirs(), fsmSetup(), fsmStage(), fsmTeardown(), and writeFile().
#define IS_DEV_LOG | ( | _x | ) |
((_x) != NULL && strlen(_x) >= (sizeof("/dev/log")-1) && \ !strncmp((_x), "/dev/log", sizeof("/dev/log")-1) && \ ((_x)[sizeof("/dev/log")-1] == '\0' || \ (_x)[sizeof("/dev/log")-1] == ';'))
Definition at line 1583 of file fsm.c.
Referenced by fsmStage().
#define SUFFIX_RPMNEW ".rpmnew" |
Definition at line 89 of file fsm.c.
Referenced by fsmMapPath().
#define SUFFIX_RPMORIG ".rpmorig" |
Definition at line 87 of file fsm.c.
Referenced by fsmMapPath().
#define SUFFIX_RPMSAVE ".rpmsave" |
Definition at line 88 of file fsm.c.
Referenced by fsmMapPath().
Destroy file state machine instance.
fsm | file state machine |
Definition at line 547 of file fsm.c.
References _free(), freeHardLink(), and mapFreeIterator().
Referenced by rpmfiFini().
Retrieve transaction element file info from file state machine iterator.
fsm | file state machine |
Definition at line 78 of file fsm.c.
Referenced by dnlInitIterator(), fsmMapAttrs(), fsmMapFContext(), fsmMapPath(), fsmMkdirs(), fsmStage(), saveHardLink(), and writeFile().
Retrieve transaction set from file state machine iterator.
fsm | file state machine |
Definition at line 64 of file fsm.c.
Referenced by fsmStage(), and fsmTeardown().
int fsmMapAttrs | ( | IOSM_t | fsm | ) |
Map file stat(2) info.
fsm | file state machine |
Definition at line 890 of file fsm.c.
References _, fsmGetFi(), gnameToGid(), IOSM_MAP_GID, IOSM_MAP_MODE, IOSM_MAP_TYPE, IOSM_MAP_UID, IOSM_PKGINSTALL, rpmlog(), RPMLOG_WARNING, and unameToUid().
Referenced by fsmStage().
static int fsmMapFContext | ( | IOSM_t | fsm | ) | [static] |
Definition at line 773 of file fsm.c.
References fsmGetFi(), and matchpathcon.
Referenced by fsmStage().
int fsmMapPath | ( | IOSM_t | fsm | ) |
Map next file path and action.
fsm | file state machine |
Definition at line 799 of file fsm.c.
References _free(), FA_ALTNAME, FA_BACKUP, FA_COPYIN, FA_COPYOUT, FA_CREATE, FA_ERASE, FA_SAVE, FA_SKIP, FA_SKIPCOLOR, FA_SKIPNETSHARED, FA_SKIPNSTATE, FA_UNKNOWN, fsmFsPath(), fsmGetFi(), IOSM_MAP_PATH, RPMFILE_GHOST, RPMFILE_STATE_NETSHARED, RPMFILE_STATE_NOTINSTALLED, RPMFILE_STATE_WRONGCOLOR, rpmteType(), SUFFIX_RPMNEW, SUFFIX_RPMORIG, SUFFIX_RPMSAVE, and TR_REMOVED.
Referenced by fsmStage().
static int fsmMkdirs | ( | IOSM_t | fsm | ) | [static] |
Create (if necessary) directories not explicitly included in package.
fsm | file state machine data |
Definition at line 1420 of file fsm.c.
References _free(), D_, dc, dnlCount(), dnlFreeIterator(), dnlIndex(), dnlInitIterator(), dnlNextIterator(), fsmGetFi(), fsmNext(), fsmUNSAFE, IOSM_LSETFCON, IOSM_LSTAT, IOSM_MKDIR, matchpathcon, rpmlog(), RPMLOG_DEBUG, stpcpy(), urlPath(), xcalloc(), and xrealloc().
Referenced by fsmStage().
int fsmNext | ( | IOSM_t | fsm, |
iosmFileStage | nstage | ||
) |
File state machine driver.
fsm | file state machine |
nstage | next stage |
Definition at line 428 of file fsm.c.
References fsmStage(), rpmsqJoin(), and rpmsqThread().
Referenced by extractRegular(), fsmCommitLinks(), fsmMakeLinks(), fsmMkdirs(), fsmRmdirs(), fsmSetup(), fsmStage(), saveHardLink(), writeFile(), and writeLinkedFile().
static int fsmRmdirs | ( | IOSM_t | fsm | ) | [static] |
Remove (if created) directories not explicitly included in package.
fsm | file state machine data |
Definition at line 1365 of file fsm.c.
References dc, dnlCount(), dnlFreeIterator(), dnlIndex(), dnlInitIterator(), dnlNextIterator(), fsmNext(), IOSM_RMDIR, and stpcpy().
Referenced by fsmStage().
int fsmSetup | ( | void * | _fsm, |
iosmFileStage | goal, | ||
const char * | afmt, | ||
const void * | _ts, | ||
const void * | _fi, | ||
FD_t | cfd, | ||
unsigned int * | archiveSize, | ||
const char ** | failedFile | ||
) |
Load external data into file state machine.
_fsm | file state machine |
goal | |
afmt | archive format (NULL uses cpio) |
_ts | transaction set |
_fi | transaction element file info |
cfd | payload descriptor |
archiveSize | pointer to archive size |
failedFile | pointer to first file name that failed. |
Definition at line 617 of file fsm.c.
References _fsm_debug, _fsm_threads, _iosmNext, _tsmask, arHeaderRead(), arHeaderWrite(), arSetup(), arTrailerWrite(), cpioHeaderRead(), cpioHeaderWrite(), cpioTrailerWrite(), FA_COPYOUT, fdGetCpioPos(), fdLink(), fdSetCpioPos(), fsmNext(), fsmUNSAFE, IOSM_CREATE, IOSM_PKGBUILD, IOSM_PKGCOMMIT, IOSM_PKGERASE, IOSM_PKGINSTALL, mapInitIterator(), reverse, RPMCALLBACK_INST_START, rpmteType(), RPMTRANS_FLAG_NOCONTEXTS, RPMTRANS_FLAG_NOFDIGESTS, rpmtsFlags(), rpmtsGetTid(), rpmtsLink(), rpmtsNotify(), TAR_BLOCK_SIZE, tarHeaderRead(), tarHeaderWrite(), tarTrailerWrite(), TR_ADDED, and TR_REMOVED.
Referenced by cpio_doio(), and rpmpsmStage().
int fsmStage | ( | IOSM_t | fsm, |
iosmFileStage | stage | ||
) |
File state machine driver.
fsm | file state machine |
stage | next stage |
Definition at line 1590 of file fsm.c.
References _, _fafilter, _free(), alloca(), errno, extractRegular(), FA_ERASE, FA_UNKNOWN, fdGetCpioPos(), freeHardLink(), fsmCommitLinks(), fsmFsPath(), fsmGetFi(), fsmGetTs(), fsmMakeLinks(), fsmMapAttrs(), fsmMapFContext(), fsmMapPath(), fsmMkdirs(), fsmNext(), fsmRmdirs(), fsmUNSAFE, IOSM_ALL_HARDLINKS, IOSM_CHMOD, IOSM_CHOWN, IOSM_CHROOT, IOSM_COMMIT, IOSM_CREATE, IOSM_DEAD, IOSM_DESTROY, IOSM_DREAD, IOSM_DWRITE, IOSM_EAT, IOSM_FINI, IOSM_FOLLOW_SYMLINKS, IOSM_HREAD, IOSM_HWRITE, IOSM_INIT, IOSM_INTERNAL, IOSM_LCHOWN, IOSM_LINK, IOSM_LSETFCON, IOSM_LSTAT, IOSM_MAP, IOSM_MKDIR, IOSM_MKDIRS, IOSM_MKFIFO, IOSM_MKLINKS, IOSM_MKNOD, IOSM_NEXT, IOSM_NOTIFY, IOSM_PAD, IOSM_PAYLOAD_EXTRACT, IOSM_PAYLOAD_LIST, IOSM_PKGBUILD, IOSM_PKGCOMMIT, IOSM_PKGERASE, IOSM_PKGINSTALL, IOSM_POS, IOSM_POST, IOSM_PRE, IOSM_PROCESS, IOSM_RCLOSE, IOSM_READ, IOSM_READLINK, IOSM_RENAME, IOSM_RMDIR, IOSM_RMDIRS, IOSM_ROPEN, IOSM_STAT, IOSM_SYMLINK, IOSM_SYSCALL, IOSM_TRAILER, IOSM_UNDO, IOSM_UNKNOWN, IOSM_UNLINK, IOSM_UTIME, IOSM_VERBOSE, IOSM_VERIFY, IOSM_WCLOSE, IOSM_WOPEN, IOSM_WRITE, iosmFileActionSkipped(), iosmFileStageString(), iosmStage(), IS_DEV_LOG, mapFind(), mapNextIterator(), RPMCALLBACK_INST_PROGRESS, RPMFILE_GHOST, RPMFILE_MISSINGOK, rpmfiTypeString(), rpmlog(), RPMLOG_DEBUG, RPMLOG_ERR, RPMLOG_WARNING, rpmtsNotify(), S_ISLNK, S_ISSOCK, saveHardLink(), stpcpy(), Unlink(), urlPath(), writeFile(), writeLinkedFile(), xmalloc(), and xstrdup().
Referenced by fsmNext().
int fsmTeardown | ( | void * | _fsm | ) |
Clean file state machine.
_fsm | file state machine |
Definition at line 741 of file fsm.c.
References _free(), fdFree(), fsmGetTs(), fsmUNSAFE, IOSM_DESTROY, mapFreeIterator(), rpmswAdd(), RPMTS_OP_DIGEST, rpmtsFree(), and rpmtsOp().
Referenced by cpio_doio(), and rpmpsmStage().
IOSM_t newFSM | ( | void | ) |
Create file state machine instance.
Definition at line 541 of file fsm.c.
References xcalloc().
Referenced by rpmfiNew().
int _fsm_debug = 0 |
Definition at line 52 of file fsm.c.
Referenced by fsmSetup().
int _fsm_threads = 0 |
Definition at line 56 of file fsm.c.
Referenced by fsmSetup().