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/*@-mods@*/
/** \ingroup rpmbuild
* \file build/names.c
* Simple user/group name/id cache (plus hostname and buildtime)
*/
#include "system.h"
#include "rpmbuild.h"
#include "debug.h"
typedef /*@owned@*/ /*@null@*/ const char * ugstr_t;
/*@unchecked@*/
static uid_t uids[1024];
/*@unchecked@*/
static ugstr_t unames[1024];
/*@unchecked@*/
static int uid_used = 0;
/*@unchecked@*/
static gid_t gids[1024];
/*@unchecked@*/
static ugstr_t gnames[1024];
/*@unchecked@*/
static int gid_used = 0;
/*@-boundswrite@*/
void freeNames(void)
{
int x;
for (x = 0; x < uid_used; x++)
unames[x] = _free(unames[x]);
for (x = 0; x < gid_used; x++)
gnames[x] = _free(gnames[x]);
}
/*@=boundswrite@*/
/*@-boundswrite@*/
const char *getUname(uid_t uid)
/*@globals uid_used, uids, unames @*/
/*@modifies uid_used, uids, unames @*/
{
struct passwd *pw;
int x;
for (x = 0; x < uid_used; x++) {
if (unames[x] == NULL) continue;
if (uids[x] == uid)
return unames[x];
}
/* XXX - This is the other hard coded limit */
if (x == 1024)
rpmlog(RPMLOG_CRIT, _("getUname: too many uid's\n"));
if ((pw = getpwuid(uid)) == NULL)
return NULL;
uids[uid_used] = uid;
unames[uid_used] = xstrdup(pw->pw_name);
return unames[uid_used++];
}
/*@=boundswrite@*/
/*@-boundswrite@*/
const char *getUnameS(const char *uname)
/*@globals uid_used, uids, unames @*/
/*@modifies uid_used, uids, unames @*/
{
struct passwd *pw;
int x;
for (x = 0; x < uid_used; x++) {
if (unames[x] == NULL) continue;
if (!strcmp(unames[x],uname))
return unames[x];
}
/* XXX - This is the other hard coded limit */
if (x == 1024)
rpmlog(RPMLOG_CRIT, _("getUnameS: too many uid's\n"));
if ((pw = getpwnam(uname)) == NULL) {
uids[uid_used] = -1;
unames[uid_used] = xstrdup(uname);
} else {
uids[uid_used] = pw->pw_uid;
unames[uid_used] = xstrdup(pw->pw_name);
}
return unames[uid_used++];
}
/*@=boundswrite@*/
/*@-boundswrite@*/
uid_t getUidS(const char *uname)
/*@globals uid_used, uids, unames @*/
/*@modifies uid_used, uids, unames @*/
{
struct passwd *pw;
int x;
for (x = 0; x < uid_used; x++) {
if (unames[x] == NULL) continue;
if (!strcmp(unames[x],uname))
return uids[x];
}
/* XXX - This is the other hard coded limit */
if (x == 1024)
rpmlog(RPMLOG_CRIT, _("getUidS: too many uid's\n"));
if ((pw = getpwnam(uname)) == NULL) {
uids[uid_used] = -1;
unames[uid_used] = xstrdup(uname);
} else {
uids[uid_used] = pw->pw_uid;
unames[uid_used] = xstrdup(pw->pw_name);
}
return uids[uid_used++];
}
/*@=boundswrite@*/
/*@-boundswrite@*/
const char *getGname(gid_t gid)
/*@globals gid_used, gids, gnames @*/
/*@modifies gid_used, gids, gnames @*/
{
struct group *gr;
int x;
for (x = 0; x < gid_used; x++) {
if (gnames[x] == NULL) continue;
if (gids[x] == gid)
return gnames[x];
}
/* XXX - This is the other hard coded limit */
if (x == 1024)
rpmlog(RPMLOG_CRIT, _("getGname: too many gid's\n"));
if ((gr = getgrgid(gid)) == NULL)
return NULL;
gids[gid_used] = gid;
gnames[gid_used] = xstrdup(gr->gr_name);
return gnames[gid_used++];
}
/*@=boundswrite@*/
/*@-boundswrite@*/
const char *getGnameS(const char *gname)
/*@globals gid_used, gids, gnames @*/
/*@modifies gid_used, gids, gnames @*/
{
struct group *gr;
int x;
for (x = 0; x < gid_used; x++) {
if (gnames[x] == NULL) continue;
if (!strcmp(gnames[x], gname))
return gnames[x];
}
/* XXX - This is the other hard coded limit */
if (x == 1024)
rpmlog(RPMLOG_CRIT, _("getGnameS: too many gid's\n"));
if ((gr = getgrnam(gname)) == NULL) {
gids[gid_used] = -1;
gnames[gid_used] = xstrdup(gname);
} else {
gids[gid_used] = gr->gr_gid;
gnames[gid_used] = xstrdup(gr->gr_name);
}
return gnames[gid_used++];
}
/*@=boundswrite@*/
/*@-boundswrite@*/
gid_t getGidS(const char *gname)
/*@globals gid_used, gids, gnames @*/
/*@modifies gid_used, gids, gnames @*/
{
struct group *gr;
int x;
for (x = 0; x < gid_used; x++) {
if (gnames[x] == NULL) continue;
if (!strcmp(gnames[x], gname))
return gids[x];
}
/* XXX - This is the other hard coded limit */
if (x == 1024)
rpmlog(RPMLOG_CRIT, _("getGidS: too many gid's\n"));
if ((gr = getgrnam(gname)) == NULL) {
gids[gid_used] = -1;
gnames[gid_used] = xstrdup(gname);
} else {
gids[gid_used] = gr->gr_gid;
gnames[gid_used] = xstrdup(gr->gr_name);
}
return gids[gid_used++];
}
/*@=boundswrite@*/
int_32 *const getBuildTime(void)
{
static int_32 buildTime[1];
/*@-boundsread@*/
if (buildTime[0] == 0)
buildTime[0] = (int_32) time(NULL);
/*@=boundsread@*/
return buildTime;
}
/*@-boundswrite@*/
const char *const buildHost(void)
{
static char hostname[1024];
static int oneshot = 0;
struct hostent *hbn;
if (! oneshot) {
(void) gethostname(hostname, sizeof(hostname));
/*@-unrecog -multithreaded @*/
/*@-globs@*/ /* FIX: h_errno access */
hbn = gethostbyname(hostname);
/*@=globs@*/
/*@=unrecog =multithreaded @*/
if (hbn)
strcpy(hostname, hbn->h_name);
else
rpmMessage(RPMMESS_WARNING,
_("Could not canonicalize hostname: %s\n"), hostname);
oneshot = 1;
}
return(hostname);
}
/*@=boundswrite@*/
/*@=mods@*/
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