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rpm-build/rpmdb/dbconfig.c

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/** \ingroup rpmdb
* \file rpmdb/dbconfig.c
*/
#include "system.h"
#if defined(__LCLINT__)
/*@-redef@*/
typedef unsigned int u_int32_t;
typedef unsigned short u_int16_t;
typedef unsigned char u_int8_t;
/*@-incondefs@*/ /* LCLint 3.0.0.15 */
typedef int int32_t;
/*@=incondefs@*/
/*@=redef@*/
#endif
#if defined(HAVE_DB4_DB_H)
#include <db4/db.h>
#elif defined(HAVE_DB3_DB_H)
#include <db3/db.h>
#endif
#include "rpmlib.h"
#include "rpmmacro.h"
#include "rpmdb.h"
#include "debug.h"
#if !defined(DB_CLIENT) /* XXX db-4.2.42 retrofit */
#define DB_CLIENT DB_RPCCLIENT
#endif
/*@access rpmdb@*/
/*@access dbiIndex@*/
/*@access dbiIndexSet@*/
#if (DB_VERSION_MAJOR == 3) || (DB_VERSION_MAJOR == 4)
#define __USE_DB3 1
/*@-exportlocal -exportheadervar@*/
/*@unchecked@*/
struct _dbiIndex db3dbi;
/*@=exportlocal =exportheadervar@*/
/** \ingroup db3
* Analogue to struct poptOption
*/
struct dbOption {
/*@observer@*/ /*@null@*/const char * longName; /* may be NULL */
const char shortName; /* may be '\0' */
int argInfo;
/*@null@*/ void * arg; /* depends on argInfo */
int val; /* 0 means don't return, just update flag */
/*@observer@*/ /*@null@*/ const char * descrip; /*!< description for autohelp -- may be NULL */
/*@observer@*/ /*@null@*/ const char * argDescrip; /*!< argument description for autohelp */
};
/*@-compmempass -immediatetrans -exportlocal -exportheadervar@*/
/** \ingroup db3
*/
/*@unchecked@*/
struct dbOption rdbOptions[] = {
/* XXX DB_CXX_NO_EXCEPTIONS */
#if defined(DB_CLIENT)
{ "client", 0,POPT_BIT_SET, &db3dbi.dbi_ecflags, DB_CLIENT,
NULL, NULL },
#endif
#if defined(DB_RPCCLIENT)
{ "client", 0,POPT_BIT_SET, &db3dbi.dbi_ecflags, DB_RPCCLIENT,
NULL, NULL },
{ "rpcclient", 0,POPT_BIT_SET, &db3dbi.dbi_ecflags, DB_RPCCLIENT,
NULL, NULL },
#endif
{ "xa_create", 0,POPT_BIT_SET, &db3dbi.dbi_cflags, DB_XA_CREATE,
NULL, NULL },
{ "create", 0,POPT_BIT_SET, &db3dbi.dbi_oeflags, DB_CREATE,
NULL, NULL },
{ "thread", 0,POPT_BIT_SET, &db3dbi.dbi_oeflags, DB_THREAD,
NULL, NULL },
{ "force", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_FORCE,
NULL, NULL },
{ "cdb", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_INIT_CDB,
NULL, NULL },
{ "lock", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_INIT_LOCK,
NULL, NULL },
{ "log", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_INIT_LOG,
NULL, NULL },
{ "mpool", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_INIT_MPOOL,
NULL, NULL },
{ "txn", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_INIT_TXN,
NULL, NULL },
{ "joinenv", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_JOINENV,
NULL, NULL },
{ "recover", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_RECOVER,
NULL, NULL },
{ "recover_fatal", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_RECOVER_FATAL,
NULL, NULL },
{ "shared", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_SYSTEM_MEM,
NULL, NULL },
{ "txn_nosync", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_TXN_NOSYNC,
NULL, NULL },
{ "use_environ_root", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_USE_ENVIRON_ROOT,
NULL, NULL },
{ "use_environ", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_USE_ENVIRON,
NULL, NULL },
{ "lockdown", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_LOCKDOWN,
NULL, NULL },
{ "private", 0,POPT_BIT_SET, &db3dbi.dbi_eflags, DB_PRIVATE,
NULL, NULL },
{ "txn_sync", 0,POPT_BIT_SET, &db3dbi.dbi_tflags, DB_TXN_SYNC,
NULL, NULL },
{ "txn_nowait",0,POPT_BIT_SET, &db3dbi.dbi_tflags, DB_TXN_NOWAIT,
NULL, NULL },
{ "excl", 0,POPT_BIT_SET, &db3dbi.dbi_oflags, DB_EXCL,
NULL, NULL },
{ "nommap", 0,POPT_BIT_SET, &db3dbi.dbi_oflags, DB_NOMMAP,
NULL, NULL },
{ "rdonly", 0,POPT_BIT_SET, &db3dbi.dbi_oflags, DB_RDONLY,
NULL, NULL },
{ "truncate", 0,POPT_BIT_SET, &db3dbi.dbi_oflags, DB_TRUNCATE,
NULL, NULL },
{ "fcntl_locking",0,POPT_BIT_SET, &db3dbi.dbi_oflags, DB_FCNTL_LOCKING,
NULL, NULL },
{ "btree", 0,POPT_ARG_VAL, &db3dbi.dbi_type, DB_BTREE,
NULL, NULL },
{ "hash", 0,POPT_ARG_VAL, &db3dbi.dbi_type, DB_HASH,
NULL, NULL },
{ "recno", 0,POPT_ARG_VAL, &db3dbi.dbi_type, DB_RECNO,
NULL, NULL },
{ "queue", 0,POPT_ARG_VAL, &db3dbi.dbi_type, DB_QUEUE,
NULL, NULL },
{ "unknown", 0,POPT_ARG_VAL, &db3dbi.dbi_type, DB_UNKNOWN,
NULL, NULL },
{ "root", 0,POPT_ARG_STRING, &db3dbi.dbi_root, 0,
NULL, NULL },
{ "home", 0,POPT_ARG_STRING, &db3dbi.dbi_home, 0,
NULL, NULL },
{ "file", 0,POPT_ARG_STRING, &db3dbi.dbi_file, 0,
NULL, NULL },
{ "subfile", 0,POPT_ARG_STRING, &db3dbi.dbi_subfile, 0,
NULL, NULL },
{ "mode", 0,POPT_ARG_INT, &db3dbi.dbi_mode, 0,
NULL, NULL },
{ "perms", 0,POPT_ARG_INT, &db3dbi.dbi_perms, 0,
NULL, NULL },
{ "shmkey", 0,POPT_ARG_LONG, &db3dbi.dbi_shmkey, 0,
NULL, NULL },
{ "tmpdir", 0,POPT_ARG_STRING, &db3dbi.dbi_tmpdir, 0,
NULL, NULL },
{ "host", 0,POPT_ARG_STRING, &db3dbi.dbi_host, 0,
NULL, NULL },
{ "server", 0,POPT_ARG_STRING, &db3dbi.dbi_host, 0,
NULL, NULL },
{ "cl_timeout", 0,POPT_ARG_LONG, &db3dbi.dbi_cl_timeout, 0,
NULL, NULL },
{ "sv_timeout", 0,POPT_ARG_LONG, &db3dbi.dbi_sv_timeout, 0,
NULL, NULL },
{ "verify", 0,POPT_ARG_NONE, &db3dbi.dbi_verify_on_close, 0,
NULL, NULL },
{ "teardown", 0,POPT_ARG_NONE, &db3dbi.dbi_tear_down, 0,
NULL, NULL },
{ "usecursors",0,POPT_ARG_NONE, &db3dbi.dbi_use_cursors, 0,
NULL, NULL },
{ "usedbenv", 0,POPT_ARG_NONE, &db3dbi.dbi_use_dbenv, 0,
NULL, NULL },
{ "rmwcursor", 0,POPT_ARG_NONE, &db3dbi.dbi_get_rmw_cursor, 0,
NULL, NULL },
{ "nofsync", 0,POPT_ARG_NONE, &db3dbi.dbi_no_fsync, 0,
NULL, NULL },
{ "nodbsync", 0,POPT_ARG_NONE, &db3dbi.dbi_no_dbsync, 0,
NULL, NULL },
{ "lockdbfd", 0,POPT_ARG_NONE, &db3dbi.dbi_lockdbfd, 0,
NULL, NULL },
{ "temporary", 0,POPT_ARG_NONE, &db3dbi.dbi_temporary, 0,
NULL, NULL },
{ "debug", 0,POPT_ARG_NONE, &db3dbi.dbi_debug, 0,
NULL, NULL },
{ "cachesize", 0,POPT_ARG_INT, &db3dbi.dbi_cachesize, 0,
NULL, NULL },
{ "errpfx", 0,POPT_ARG_STRING, &db3dbi.dbi_errpfx, 0,
NULL, NULL },
{ "region_init", 0,POPT_ARG_VAL, &db3dbi.dbi_region_init, 1,
NULL, NULL },
{ "tas_spins", 0,POPT_ARG_INT, &db3dbi.dbi_tas_spins, 0,
NULL, NULL },
#if defined(DB_VERB_CHKPOINT)
{ "chkpoint", 0,POPT_BIT_SET, &db3dbi.dbi_verbose, DB_VERB_CHKPOINT,
NULL, NULL },
#endif
{ "deadlock", 0,POPT_BIT_SET, &db3dbi.dbi_verbose, DB_VERB_DEADLOCK,
NULL, NULL },
{ "recovery", 0,POPT_BIT_SET, &db3dbi.dbi_verbose, DB_VERB_RECOVERY,
NULL, NULL },
{ "waitsfor", 0,POPT_BIT_SET, &db3dbi.dbi_verbose, DB_VERB_WAITSFOR,
NULL, NULL },
{ "verbose", 0,POPT_ARG_VAL, &db3dbi.dbi_verbose, -1,
NULL, NULL },
{ "lk_oldest", 0,POPT_ARG_VAL, &db3dbi.dbi_lk_detect, DB_LOCK_OLDEST,
NULL, NULL },
{ "lk_random", 0,POPT_ARG_VAL, &db3dbi.dbi_lk_detect, DB_LOCK_RANDOM,
NULL, NULL },
{ "lk_youngest",0, POPT_ARG_VAL, &db3dbi.dbi_lk_detect, DB_LOCK_YOUNGEST,
NULL, NULL },
/* XXX lk_conflicts matrix */
{ "lk_max", 0,POPT_ARG_INT, &db3dbi.dbi_lk_max, 0,
NULL, NULL },
{ "lg_bsize", 0,POPT_ARG_INT, &db3dbi.dbi_lg_bsize, 0,
NULL, NULL },
{ "lg_max", 0,POPT_ARG_INT, &db3dbi.dbi_lg_max, 0,
NULL, NULL },
/* XXX tx_recover */
{ "tx_max", 0,POPT_ARG_INT, &db3dbi.dbi_tx_max, 0,
NULL, NULL },
{ "lorder", 0,POPT_ARG_INT, &db3dbi.dbi_lorder, 0,
NULL, NULL },
{ "mp_mmapsize", 0,POPT_ARG_INT, &db3dbi.dbi_mp_mmapsize, 0,
NULL, NULL },
{ "mp_size", 0,POPT_ARG_INT, &db3dbi.dbi_mp_size, 0,
NULL, NULL },
{ "pagesize", 0,POPT_ARG_INT, &db3dbi.dbi_pagesize, 0,
NULL, NULL },
/* XXX bt_minkey */
/* XXX bt_compare */
/* XXX bt_dup_compare */
/* XXX bt_prefix */
{ "bt_dup", 0,POPT_BIT_SET, &db3dbi.dbi_bt_flags, DB_DUP,
NULL, NULL },
{ "bt_dupsort",0,POPT_BIT_SET, &db3dbi.dbi_bt_flags, DB_DUPSORT,
NULL, NULL },
{ "bt_recnum", 0,POPT_BIT_SET, &db3dbi.dbi_bt_flags, DB_RECNUM,
NULL, NULL },
{ "bt_revsplitoff", 0,POPT_BIT_SET, &db3dbi.dbi_bt_flags, DB_REVSPLITOFF,
NULL, NULL },
{ "h_dup", 0,POPT_BIT_SET, &db3dbi.dbi_h_flags, DB_DUP,
NULL, NULL },
{ "h_dupsort", 0,POPT_BIT_SET, &db3dbi.dbi_h_flags, DB_DUPSORT,
NULL, NULL },
{ "h_ffactor", 0,POPT_ARG_INT, &db3dbi.dbi_h_ffactor, 0,
NULL, NULL },
{ "h_nelem", 0,POPT_ARG_INT, &db3dbi.dbi_h_nelem, 0,
NULL, NULL },
{ "re_renumber", 0,POPT_BIT_SET, &db3dbi.dbi_re_flags, DB_RENUMBER,
NULL, NULL },
{ "re_snapshot",0,POPT_BIT_SET, &db3dbi.dbi_re_flags, DB_SNAPSHOT,
NULL, NULL },
{ "re_delim", 0,POPT_ARG_INT, &db3dbi.dbi_re_delim, 0,
NULL, NULL },
{ "re_len", 0,POPT_ARG_INT, &db3dbi.dbi_re_len, 0,
NULL, NULL },
{ "re_pad", 0,POPT_ARG_INT, &db3dbi.dbi_re_pad, 0,
NULL, NULL },
{ "re_source", 0,POPT_ARG_STRING, &db3dbi.dbi_re_source, 0,
NULL, NULL },
{ "q_extentsize", 0,POPT_ARG_INT, &db3dbi.dbi_q_extentsize, 0,
NULL, NULL },
{ NULL, 0,0, NULL, 0, NULL, NULL }
};
/*@=compmempass =immediatetrans =exportlocal =exportheadervar@*/
static int dbSaveLong(const struct dbOption * opt, int argInfo, long aLong)
/*@modifies opt->arg @*/
{
if (argInfo & POPT_ARGFLAG_NOT)
aLong = ~aLong;
if (opt->arg != NULL)
switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
case 0:
*((long *) opt->arg) = aLong;
break;
case POPT_ARGFLAG_OR:
*((long *) opt->arg) |= aLong;
break;
case POPT_ARGFLAG_AND:
*((long *) opt->arg) &= aLong;
break;
case POPT_ARGFLAG_XOR:
*((long *) opt->arg) ^= aLong;
break;
default:
return POPT_ERROR_BADOPERATION;
/*@notreached@*/ break;
}
return 0;
}
static int dbSaveInt(const struct dbOption * opt, int argInfo, long aLong)
/*@modifies opt->arg @*/
{
if (argInfo & POPT_ARGFLAG_NOT)
aLong = ~aLong;
if (opt->arg != NULL)
switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
case 0:
*((int *) opt->arg) = aLong;
break;
case POPT_ARGFLAG_OR:
*((int *) opt->arg) |= aLong;
break;
case POPT_ARGFLAG_AND:
*((int *) opt->arg) &= aLong;
break;
case POPT_ARGFLAG_XOR:
*((int *) opt->arg) ^= aLong;
break;
default:
return POPT_ERROR_BADOPERATION;
/*@notreached@*/ break;
}
return 0;
}
dbiIndex db3Free(dbiIndex dbi)
{
if (dbi) {
dbi->dbi_root = _free(dbi->dbi_root);
dbi->dbi_home = _free(dbi->dbi_home);
dbi->dbi_file = _free(dbi->dbi_file);
dbi->dbi_subfile = _free(dbi->dbi_subfile);
dbi->dbi_tmpdir = _free(dbi->dbi_tmpdir);
dbi->dbi_host = _free(dbi->dbi_host);
dbi->dbi_errpfx = _free(dbi->dbi_errpfx);
dbi->dbi_re_source = _free(dbi->dbi_re_source);
dbi->dbi_stats = _free(dbi->dbi_stats);
dbi = _free(dbi);
}
return dbi;
}
/** @todo Set a reasonable "last gasp" default db config. */
/*@observer@*/ /*@unchecked@*/
static const char *db3_config_default =
"db3:hash:mpool:cdb:usecursors:verbose:mp_mmapsize=8Mb:mp_size=512Kb:pagesize=512:perms=0644";
dbiIndex db3New(rpmdb rpmdb, int rpmtag)
{
dbiIndex dbi = xcalloc(1, sizeof(*dbi));
char dbiTagMacro[128];
char * dbOpts;
sprintf(dbiTagMacro, "%%{?_dbi_config_%s}", tagName(rpmtag));
/*@-nullpass@*/
dbOpts = rpmExpand(dbiTagMacro, NULL);
/*@=nullpass@*/
if (!(dbOpts && *dbOpts)) {
dbOpts = _free(dbOpts);
/*@-nullpass@*/
dbOpts = rpmExpand("%{?_dbi_config}", NULL);
/*@=nullpass@*/
if (!(dbOpts && *dbOpts)) {
/*@-nullpass@*/
dbOpts = rpmExpand(db3_config_default, NULL);
/*@=nullpass@*/
}
}
/* Parse the options for the database element(s). */
/*@-branchstate@*/
if (dbOpts && *dbOpts && *dbOpts != '%') {
char *o, *oe;
char *p, *pe;
memset(&db3dbi, 0, sizeof(db3dbi));
for (o = dbOpts; o && *o; o = oe) {
struct dbOption *opt;
const char * tok;
int argInfo;
/* Skip leading white space. */
while (*o && xisspace(*o))
o++;
/* Find and terminate next key=value pair. Save next start point. */
for (oe = o; oe && *oe; oe++) {
if (xisspace(*oe))
/*@innerbreak@*/ break;
if (oe[0] == ':' && !(oe[1] == '/' && oe[2] == '/'))
/*@innerbreak@*/ break;
}
if (oe && *oe)
*oe++ = '\0';
if (*o == '\0')
continue;
/* Separate key from value, save value start (if any). */
for (pe = o; pe && *pe && *pe != '='; pe++)
{};
p = (pe ? *pe++ = '\0', pe : NULL);
/* Skip over negation at start of token. */
for (tok = o; *tok == '!'; tok++)
{};
/* Find key in option table. */
for (opt = rdbOptions; opt->longName != NULL; opt++) {
if (strcmp(tok, opt->longName))
/*@innercontinue@*/ continue;
/*@innerbreak@*/ break;
}
if (opt->longName == NULL) {
rpmError(RPMERR_DBCONFIG,
_("unrecognized db option: \"%s\" ignored.\n"), o);
continue;
}
/* Toggle the flags for negated tokens, if necessary. */
argInfo = opt->argInfo;
if (argInfo == POPT_BIT_SET && *o == '!' && ((tok - o) % 2))
argInfo = POPT_BIT_CLR;
/* Save value in template as appropriate. */
switch (argInfo & POPT_ARG_MASK) {
case POPT_ARG_NONE:
(void) dbSaveInt(opt, argInfo, 1L);
/*@switchbreak@*/ break;
case POPT_ARG_VAL:
(void) dbSaveInt(opt, argInfo, (long)opt->val);
/*@switchbreak@*/ break;
case POPT_ARG_STRING:
{ const char ** t = opt->arg;
/*@-mods@*/
if (t) {
*t = _free(*t);
*t = xstrdup( (p ? p : "") );
}
/*@=mods@*/
} /*@switchbreak@*/ break;
case POPT_ARG_INT:
case POPT_ARG_LONG:
{ long aLong = strtol(p, &pe, 0);
if (pe) {
if (!xstrncasecmp(pe, "Mb", 2))
aLong *= 1024 * 1024;
else if (!xstrncasecmp(pe, "Kb", 2))
aLong *= 1024;
else if (*pe != '\0') {
rpmError(RPMERR_DBCONFIG,
_("%s has invalid numeric value, skipped\n"),
opt->longName);
continue;
}
}
if ((argInfo & POPT_ARG_MASK) == POPT_ARG_LONG) {
if (aLong == LONG_MIN || aLong == LONG_MAX) {
rpmError(RPMERR_DBCONFIG,
_("%s has too large or too small long value, skipped\n"),
opt->longName);
continue;
}
(void) dbSaveLong(opt, argInfo, aLong);
/*@switchbreak@*/ break;
} else {
if (aLong > INT_MAX || aLong < INT_MIN) {
rpmError(RPMERR_DBCONFIG,
_("%s has too large or too small integer value, skipped\n"),
opt->longName);
continue;
}
(void) dbSaveInt(opt, argInfo, aLong);
}
} /*@switchbreak@*/ break;
default:
/*@switchbreak@*/ break;
}
}
}
/*@=branchstate@*/
dbOpts = _free(dbOpts);
/*@-assignexpose@*/
/*@i@*/ *dbi = db3dbi; /* structure assignment */
/*@=assignexpose@*/
memset(&db3dbi, 0, sizeof(db3dbi));
if (!(dbi->dbi_perms & 0600))
dbi->dbi_perms = 0644;
dbi->dbi_mode = rpmdb->db_mode;
/*@-keeptrans@*/
/*@i@*/ dbi->dbi_rpmdb = rpmdb;
/*@=keeptrans@*/
dbi->dbi_rpmtag = rpmtag;
/*
* Inverted lists have join length of 2, primary data has join length of 1.
*/
/*@-sizeoftype@*/
switch (rpmtag) {
case RPMDBI_PACKAGES:
case RPMDBI_DEPENDS:
dbi->dbi_jlen = 1 * sizeof(int_32);
break;
default:
dbi->dbi_jlen = 2 * sizeof(int_32);
break;
}
/*@=sizeoftype@*/
dbi->dbi_use_cursors = 1; /* db3 cursors are always used now. */
dbi->dbi_byteswapped = 0; /* -1 unknown, 0 native order, 1 alien order */
if (!dbi->dbi_use_dbenv) { /* db3 dbenv is always used now. */
dbi->dbi_use_dbenv = 1;
dbi->dbi_eflags |= (DB_INIT_MPOOL|DB_JOINENV);
dbi->dbi_mp_mmapsize = 8 * 1024 * 1024;
dbi->dbi_mp_size = 512 * 1024;
dbi->dbi_tear_down = 1;
}
if ((dbi->dbi_bt_flags | dbi->dbi_h_flags) & DB_DUP)
dbi->dbi_permit_dups = 1;
/*@-globstate@*/ /* FIX: *(rdbOptions->arg) reachable */
return dbi;
/*@=globstate@*/
}
const char *const prDbiOpenFlags(int dbflags, int print_dbenv_flags)
{
static char buf[256];
struct dbOption *opt;
char * oe;
oe = buf;
*oe = '\0';
for (opt = rdbOptions; opt->longName != NULL; opt++) {
if (opt->argInfo != POPT_BIT_SET)
continue;
if (print_dbenv_flags) {
if (!(opt->arg == &db3dbi.dbi_oeflags ||
opt->arg == &db3dbi.dbi_eflags))
continue;
} else {
if (!(opt->arg == &db3dbi.dbi_oeflags ||
opt->arg == &db3dbi.dbi_oflags))
continue;
}
if ((dbflags & opt->val) != opt->val)
continue;
if (oe != buf)
*oe++ = ':';
oe = stpcpy(oe, opt->longName);
dbflags &= ~opt->val;
}
if (dbflags) {
if (oe != buf)
*oe++ = ':';
sprintf(oe, "0x%x", (unsigned)dbflags);
}
return buf;
}
#endif
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