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Diffstat (limited to 'nis/nss_nis/nis-pwd.c')
-rw-r--r--nis/nss_nis/nis-pwd.c119
1 files changed, 64 insertions, 55 deletions
diff --git a/nis/nss_nis/nis-pwd.c b/nis/nss_nis/nis-pwd.c
index 0f56ced014..457574a49b 100644
--- a/nis/nss_nis/nis-pwd.c
+++ b/nis/nss_nis/nis-pwd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1998, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1998,2001,2002,2003,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
@@ -71,31 +71,31 @@ static enum nss_status
internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
int *errnop)
{
- struct parser_data *data = (void *) buffer;
char *domain;
- int parse_res;
-
- if (yp_get_default_domain (&domain))
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
/* Get the next entry until we found a correct one. */
+ int parse_res;
do
{
- enum nss_status retval;
- char *result, *outkey, *result2, *p;
- int len, keylen, len2;
- size_t namelen;
+ char *result;
+ char *outkey;
+ int len;
+ int keylen;
+ int yperr;
if (new_start)
- retval = yperr2nss (yp_first (domain, "passwd.byname",
- &outkey, &keylen, &result, &len));
+ yperr = yp_first (domain, "passwd.byname", &outkey, &keylen, &result,
+ &len);
else
- retval = yperr2nss ( yp_next (domain, "passwd.byname",
- oldkey, oldkeylen,
- &outkey, &keylen, &result, &len));
+ yperr = yp_next (domain, "passwd.byname", oldkey, oldkeylen, &outkey,
+ &keylen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
@@ -103,7 +103,10 @@ internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
/* Check for adjunct style secret passwords. They can be
recognized by a password starting with "##". */
- p = strchr (result, ':');
+ char *p = strchr (result, ':');
+ size_t namelen;
+ char *result2;
+ int len2;
if (p != NULL /* This better should be true in all cases. */
&& p[1] == '#' && p[2] == '#'
&& (namelen = p - result,
@@ -128,7 +131,8 @@ internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
}
restlen = len - (p - result);
- if ((size_t) (namelen + (endp - encrypted) + restlen + 2) > buflen)
+ if (__builtin_expect ((size_t) (namelen + (endp - encrypted)
+ + restlen + 2) > buflen, 0))
{
free (result2);
free (result);
@@ -147,7 +151,7 @@ internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
else
{
non_adjunct:
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
@@ -162,8 +166,9 @@ internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
++p;
free (result);
- parse_res = _nss_files_parse_pwent (p, pwd, data, buflen, errnop);
- if (parse_res == -1)
+ parse_res = _nss_files_parse_pwent (p, pwd, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res == -1, 0))
{
free (outkey);
*errnop = ERANGE;
@@ -199,28 +204,26 @@ enum nss_status
_nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *result2, *p;
- int len, len2, parse_res;
- size_t namelen;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- namelen = strlen (name);
+ size_t namelen = strlen (name);
- retval = yperr2nss (yp_match (domain, "passwd.byname", name,
- namelen, &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "passwd.byname", name, namelen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
@@ -228,7 +231,9 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
/* Check for adjunct style secret passwords. They can be recognized
by a password starting with "##". */
- p = strchr (result, ':');
+ char *result2;
+ int len2;
+ char *p = strchr (result, ':');
if (p != NULL /* This better should be true in all cases. */
&& p[1] == '#' && p[2] == '#'
&& yp_match (domain, "passwd.adjunct.byname", name, namelen,
@@ -238,7 +243,6 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
therein into original result. */
char *encrypted = strchr (result2, ':');
char *endp;
- size_t restlen;
if (encrypted == NULL
|| (endp = strchr (++encrypted, ':')) == NULL
@@ -251,8 +255,9 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
goto non_adjunct;
}
- restlen = len - (p - result);
- if ((size_t) (namelen + (endp - encrypted) + restlen + 2) > buflen)
+ size_t restlen = len - (p - result);
+ if (__builtin_expect ((size_t) (namelen + (endp - encrypted)
+ + restlen + 2) > buflen, 0))
{
free (result2);
free (result);
@@ -271,7 +276,7 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
else
{
non_adjunct:
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
@@ -286,8 +291,9 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
++p;
free (result);
- parse_res = _nss_files_parse_pwent (p, pwd, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_pwent (p, pwd, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
@@ -302,23 +308,21 @@ enum nss_status
_nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p, *result2;
- int len, nlen, parse_res, len2;
- char buf[32];
- size_t namelen;
-
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- nlen = sprintf (buf, "%lu", (unsigned long int) uid);
+ char buf[32];
+ int nlen = snprintf (buf, sizeof (buf), "%lu", (unsigned long int) uid);
- retval = yperr2nss (yp_match (domain, "passwd.byuid", buf,
- nlen, &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "passwd.byuid", buf, nlen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
@@ -326,7 +330,10 @@ _nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
/* Check for adjunct style secret passwords. They can be recognized
by a password starting with "##". */
- p = strchr (result, ':');
+ char *result2;
+ int len2;
+ size_t namelen;
+ char *p = strchr (result, ':');
if (p != NULL /* This better should be true in all cases. */
&& p[1] == '#' && p[2] == '#'
&& (namelen = p - result,
@@ -351,7 +358,8 @@ _nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
}
restlen = len - (p - result);
- if ((size_t) (namelen + (endp - encrypted) + restlen + 2) > buflen)
+ if (__builtin_expect ((size_t) (namelen + (endp - encrypted)
+ + restlen + 2) > buflen, 0))
{
free (result2);
free (result);
@@ -370,7 +378,7 @@ _nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
else
{
non_adjunct:
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
@@ -385,8 +393,9 @@ _nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
++p;
free (result);
- parse_res = _nss_files_parse_pwent (p, pwd, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_pwent (p, pwd, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-30 10:18:13 +0000