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r21353: In the turn of tracking down nss_winbind related bugs on Linux:

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print NSS_STATUS code with DEBUG_NSS when leaving a function.

Guenther
This commit is contained in:
Günther Deschner 2007-02-15 11:44:06 +00:00 committed by Gerald (Jerry) Carter
parent 7ad7847e5b
commit 53ecd63d94
1 changed files with 100 additions and 19 deletions
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119
source/nsswitch/winbind_nss_linux.c
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@ -69,6 +69,25 @@ NSS_STATUS _nss_winbind_gidtosid(gid_t gid, char **sid, char *buffer,
extern int winbindd_fd;
#ifdef DEBUG_NSS
static const char *nss_err_str(NSS_STATUS ret) {
switch (ret) {
case NSS_STATUS_TRYAGAIN:
return "NSS_STATUS_TRYAGAIN";
case NSS_STATUS_SUCCESS:
return "NSS_STATUS_SUCCESS";
case NSS_STATUS_NOTFOUND:
return "NSS_STATUS_NOTFOUND";
case NSS_STATUS_UNAVAIL:
return "NSS_STATUS_UNAVAIL";
case NSS_STATUS_RETURN:
return "NSS_STATUS_RETURN";
default:
return "UNKNOWN RETURN CODE!!!!!!!";
}
}
#endif
/* Allocate some space from the nss static buffer. The buffer and buflen
are the pointers passed in by the C library to the _nss_ntdom_*
functions. */
@ -329,6 +348,7 @@ static int num_pw_cache; /* Current size of pwd cache */
NSS_STATUS
_nss_winbind_setpwent(void)
{
NSS_STATUS ret;
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: setpwent\n", getpid());
#endif
@ -338,7 +358,12 @@ _nss_winbind_setpwent(void)
free_response(&getpwent_response);
}
return winbindd_request_response(WINBINDD_SETPWENT, NULL, NULL);
ret = winbindd_request_response(WINBINDD_SETPWENT, NULL, NULL);
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: setpwent returns %s (%d)\n", getpid(),
nss_err_str(ret), ret);
#endif
return ret;
}
/* Close ntdom password database "file pointer" */
@ -346,6 +371,7 @@ _nss_winbind_setpwent(void)
NSS_STATUS
_nss_winbind_endpwent(void)
{
NSS_STATUS ret;
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: endpwent\n", getpid());
#endif
@ -355,7 +381,12 @@ _nss_winbind_endpwent(void)
free_response(&getpwent_response);
}
return winbindd_request_response(WINBINDD_ENDPWENT, NULL, NULL);
ret = winbindd_request_response(WINBINDD_ENDPWENT, NULL, NULL);
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: endpwent returns %s (%d)\n", getpid(),
nss_err_str(ret), ret);
#endif
return ret;
}
/* Fetch the next password entry from ntdom password database */
@ -411,7 +442,8 @@ _nss_winbind_getpwent_r(struct passwd *result, char *buffer,
/* Check data is valid */
if (pw_cache == NULL) {
return NSS_STATUS_NOTFOUND;
ret = NSS_STATUS_NOTFOUND;
goto done;
}
ret = fill_pwent(result, &pw_cache[ndx_pw_cache],
@ -422,7 +454,7 @@ _nss_winbind_getpwent_r(struct passwd *result, char *buffer,
if (ret == NSS_STATUS_TRYAGAIN) {
called_again = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
*errnop = errno = 0;
@ -436,7 +468,11 @@ _nss_winbind_getpwent_r(struct passwd *result, char *buffer,
free_response(&getpwent_response);
}
}
done:
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: getpwent returns %s (%d)\n", getpid(),
nss_err_str(ret), ret);
#endif
return ret;
}
@ -451,6 +487,10 @@ _nss_winbind_getpwuid_r(uid_t uid, struct passwd *result, char *buffer,
struct winbindd_request request;
static int keep_response=0;
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: getpwuid %d\n", getpid(), (unsigned int)uid);
#endif
/* If our static buffer needs to be expanded we are called again */
if (!keep_response) {
@ -470,7 +510,7 @@ _nss_winbind_getpwuid_r(uid_t uid, struct passwd *result, char *buffer,
if (ret == NSS_STATUS_TRYAGAIN) {
keep_response = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
}
@ -483,7 +523,7 @@ _nss_winbind_getpwuid_r(uid_t uid, struct passwd *result, char *buffer,
if (ret == NSS_STATUS_TRYAGAIN) {
keep_response = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
keep_response = False;
@ -491,11 +531,16 @@ _nss_winbind_getpwuid_r(uid_t uid, struct passwd *result, char *buffer,
}
free_response(&response);
done:
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: getpwuid %d returns %s (%d)\n", getpid(),
(unsigned int)uid, nss_err_str(ret), ret);
#endif
return ret;
}
/* Return passwd struct from username */
NSS_STATUS
_nss_winbind_getpwnam_r(const char *name, struct passwd *result, char *buffer,
size_t buflen, int *errnop)
@ -532,7 +577,7 @@ _nss_winbind_getpwnam_r(const char *name, struct passwd *result, char *buffer,
if (ret == NSS_STATUS_TRYAGAIN) {
keep_response = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
}
@ -545,7 +590,7 @@ _nss_winbind_getpwnam_r(const char *name, struct passwd *result, char *buffer,
if (ret == NSS_STATUS_TRYAGAIN) {
keep_response = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
keep_response = False;
@ -553,6 +598,11 @@ _nss_winbind_getpwnam_r(const char *name, struct passwd *result, char *buffer,
}
free_response(&response);
done:
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: getpwnam %s returns %s (%d)\n", getpid(),
name, nss_err_str(ret), ret);
#endif
return ret;
}
@ -570,6 +620,7 @@ static int num_gr_cache; /* Current size of grp cache */
NSS_STATUS
_nss_winbind_setgrent(void)
{
NSS_STATUS ret;
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: setgrent\n", getpid());
#endif
@ -579,7 +630,12 @@ _nss_winbind_setgrent(void)
free_response(&getgrent_response);
}
return winbindd_request_response(WINBINDD_SETGRENT, NULL, NULL);
ret = winbindd_request_response(WINBINDD_SETGRENT, NULL, NULL);
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: setgrent returns %s (%d)\n", getpid(),
nss_err_str(ret), ret);
#endif
return ret;
}
/* Close "file pointer" for ntdom group database */
@ -587,6 +643,7 @@ _nss_winbind_setgrent(void)
NSS_STATUS
_nss_winbind_endgrent(void)
{
NSS_STATUS ret;
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: endgrent\n", getpid());
#endif
@ -596,7 +653,12 @@ _nss_winbind_endgrent(void)
free_response(&getgrent_response);
}
return winbindd_request_response(WINBINDD_ENDGRENT, NULL, NULL);
ret = winbindd_request_response(WINBINDD_ENDGRENT, NULL, NULL);
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: endgrent returns %s (%d)\n", getpid(),
nss_err_str(ret), ret);
#endif
return ret;
}
/* Get next entry from ntdom group database */
@ -655,7 +717,8 @@ winbind_getgrent(enum winbindd_cmd cmd,
/* Check data is valid */
if (gr_cache == NULL) {
return NSS_STATUS_NOTFOUND;
ret = NSS_STATUS_NOTFOUND;
goto done;
}
/* Fill group membership. The offset into the extra data
@ -674,7 +737,7 @@ winbind_getgrent(enum winbindd_cmd cmd,
if (ret == NSS_STATUS_TRYAGAIN) {
called_again = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
*errnop = 0;
@ -688,7 +751,11 @@ winbind_getgrent(enum winbindd_cmd cmd,
free_response(&getgrent_response);
}
}
done:
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: getgrent returns %s (%d)\n", getpid(),
nss_err_str(ret), ret);
#endif
return ret;
}
@ -747,7 +814,7 @@ _nss_winbind_getgrnam_r(const char *name,
if (ret == NSS_STATUS_TRYAGAIN) {
keep_response = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
}
@ -762,7 +829,7 @@ _nss_winbind_getgrnam_r(const char *name,
if (ret == NSS_STATUS_TRYAGAIN) {
keep_response = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
keep_response = False;
@ -770,6 +837,11 @@ _nss_winbind_getgrnam_r(const char *name,
}
free_response(&response);
done:
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: getgrnam %s returns %s (%d)\n", getpid(),
name, nss_err_str(ret), ret);
#endif
return ret;
}
@ -811,7 +883,7 @@ _nss_winbind_getgrgid_r(gid_t gid,
if (ret == NSS_STATUS_TRYAGAIN) {
keep_response = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
}
@ -826,7 +898,7 @@ _nss_winbind_getgrgid_r(gid_t gid,
if (ret == NSS_STATUS_TRYAGAIN) {
keep_response = True;
*errnop = errno = ERANGE;
return ret;
goto done;
}
keep_response = False;
@ -834,6 +906,11 @@ _nss_winbind_getgrgid_r(gid_t gid,
}
free_response(&response);
done:
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: getgrgid %d returns %s (%d)\n", getpid(),
(unsigned int)gid, nss_err_str(ret), ret);
#endif
return ret;
}
@ -914,6 +991,10 @@ _nss_winbind_initgroups_dyn(char *user, gid_t group, long int *start,
/* Back to your regularly scheduled programming */
done:
#ifdef DEBUG_NSS
fprintf(stderr, "[%5d]: initgroups %s returns %s (%d)\n", getpid(),
user, nss_err_str(ret), ret);
#endif
return ret;
}