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Diffstat (limited to 'nis/nss_compat/compat-grp.c')
-rw-r--r--nis/nss_compat/compat-grp.c155
1 files changed, 89 insertions, 66 deletions
diff --git a/nis/nss_compat/compat-grp.c b/nis/nss_compat/compat-grp.c
index 6d4ca25e5d..a586d1fbbf 100644
--- a/nis/nss_compat/compat-grp.c
+++ b/nis/nss_compat/compat-grp.c
@@ -225,7 +225,7 @@ _nss_compat_endgrent (void)
static enum nss_status
getgrent_next_nis (struct group *result, ent_t *ent, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
struct parser_data *data = (void *) buffer;
char *domain;
@@ -286,13 +286,14 @@ getgrent_next_nis (struct group *result, ent_t *ent, char *buffer,
while (isspace (*p))
++p;
- if ((parse_res = _nss_files_parse_grent (p, result, data, buflen)) == -1)
+ parse_res = _nss_files_parse_grent (p, result, data, buflen, errnop);
+ if (parse_res == -1)
{
free (ent->oldkey);
ent->oldkey = save_oldkey;
ent->oldkeylen = save_oldlen;
ent->nis_first = save_nis_first;
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
else
@@ -312,7 +313,7 @@ getgrent_next_nis (struct group *result, ent_t *ent, char *buffer,
static enum nss_status
getgrent_next_nisplus (struct group *result, ent_t *ent, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
int parse_res;
@@ -347,13 +348,14 @@ getgrent_next_nisplus (struct group *result, ent_t *ent, char *buffer,
return niserr2nss (ent->result->status);
}
}
- if ((parse_res = _nss_nisplus_parse_grent (ent->result, 0, result,
- buffer, buflen)) == -1)
+ parse_res = _nss_nisplus_parse_grent (ent->result, 0, result,
+ buffer, buflen, errnop);
+ if (parse_res == -1)
{
nis_freeresult (ent->result);
ent->result = save_oldres;
ent->nis_first = save_nis_first;
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
else
@@ -374,7 +376,7 @@ getgrent_next_nisplus (struct group *result, ent_t *ent, char *buffer,
/* This function handle the +group entrys in /etc/group */
static enum nss_status
getgrnam_plusgroup (const char *name, struct group *result, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
struct parser_data *data = (void *) buffer;
int parse_res;
@@ -393,11 +395,12 @@ getgrnam_plusgroup (const char *name, struct group *result, char *buffer,
nis_freeresult (res);
return status;
}
- if ((parse_res = _nss_nisplus_parse_grent (res, 0, result, buffer,
- buflen)) == -1)
+ parse_res = _nss_nisplus_parse_grent (res, 0, result, buffer, buflen,
+ errnop);
+ if (parse_res == -1)
{
- __set_errno (ERANGE);
nis_freeresult (res);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
nis_freeresult (res);
@@ -408,21 +411,25 @@ getgrnam_plusgroup (const char *name, struct group *result, char *buffer,
int outvallen;
if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (yp_match (domain, "group.byname", name, strlen (name),
&outval, &outvallen) != YPERR_SUCCESS)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
p = strncpy (buffer, outval,
buflen < (size_t) outvallen ? buflen : (size_t) outvallen);
free (outval);
while (isspace (*p))
p++;
- if ((parse_res = _nss_files_parse_grent (p, result, data, buflen)) == -1)
- {
- __set_errno (ERANGE);
- return NSS_STATUS_TRYAGAIN;
- }
+ parse_res = _nss_files_parse_grent (p, result, data, buflen, errnop);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
}
if (parse_res)
@@ -434,7 +441,7 @@ getgrnam_plusgroup (const char *name, struct group *result, char *buffer,
static enum nss_status
getgrent_next_file (struct group *result, ent_t *ent,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
struct parser_data *data = (void *) buffer;
while (1)
@@ -453,7 +460,8 @@ getgrent_next_file (struct group *result, ent_t *ent,
return NSS_STATUS_NOTFOUND;
else
{
- __set_errno (ERANGE);
+ fsetpos (ent->stream, &pos);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
}
@@ -468,13 +476,14 @@ getgrent_next_file (struct group *result, ent_t *ent,
while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
/* Parse the line. If it is invalid, loop to
get the next line of the file to parse. */
- !(parse_res = _nss_files_parse_grent (p, result, data, buflen)));
+ !(parse_res = _nss_files_parse_grent (p, result, data, buflen,
+ errnop)));
if (parse_res == -1)
{
/* The parser ran out of space. */
fsetpos (ent->stream, &pos);
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
@@ -500,14 +509,22 @@ getgrent_next_file (struct group *result, ent_t *ent,
/etc/group */
blacklist_store_name (&result->gr_name[1], ent);
status = getgrnam_plusgroup (&result->gr_name[1], result, buffer,
- buflen);
+ buflen, errnop);
if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
break;
else
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
continue;
else
- return status;
+ {
+ if (status == NSS_STATUS_TRYAGAIN)
+ {
+ /* The parser ran out of space. */
+ fsetpos (ent->stream, &pos);
+ *errnop = ERANGE;
+ }
+ return status;
+ }
}
/* +:... */
@@ -517,9 +534,9 @@ getgrent_next_file (struct group *result, ent_t *ent,
ent->nis_first = TRUE;
if (use_nisplus)
- return getgrent_next_nisplus (result, ent, buffer, buflen);
+ return getgrent_next_nisplus (result, ent, buffer, buflen, errnop);
else
- return getgrent_next_nis (result, ent, buffer, buflen);
+ return getgrent_next_nis (result, ent, buffer, buflen, errnop);
}
}
@@ -529,21 +546,22 @@ getgrent_next_file (struct group *result, ent_t *ent,
static enum nss_status
internal_getgrent_r (struct group *gr, ent_t *ent, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
if (ent->nis)
{
if (use_nisplus)
- return getgrent_next_nisplus (gr, ent, buffer, buflen);
+ return getgrent_next_nisplus (gr, ent, buffer, buflen, errnop);
else
- return getgrent_next_nis (gr, ent, buffer, buflen);
+ return getgrent_next_nis (gr, ent, buffer, buflen, errnop);
}
else
- return getgrent_next_file (gr, ent, buffer, buflen);
+ return getgrent_next_file (gr, ent, buffer, buflen, errnop);
}
enum nss_status
-_nss_compat_getgrent_r (struct group *grp, char *buffer, size_t buflen)
+_nss_compat_getgrent_r (struct group *grp, char *buffer, size_t buflen,
+ int *errnop)
{
enum nss_status status = NSS_STATUS_SUCCESS;
@@ -554,7 +572,7 @@ _nss_compat_getgrent_r (struct group *grp, char *buffer, size_t buflen)
status = internal_setgrent (&ext_ent);
if (status == NSS_STATUS_SUCCESS)
- status = internal_getgrent_r (grp, &ext_ent, buffer, buflen);
+ status = internal_getgrent_r (grp, &ext_ent, buffer, buflen, errnop);
__libc_lock_unlock (lock);
@@ -564,7 +582,7 @@ _nss_compat_getgrent_r (struct group *grp, char *buffer, size_t buflen)
/* Searches in /etc/group and the NIS/NIS+ map for a special group */
static enum nss_status
internal_getgrnam_r (const char *name, struct group *result, ent_t *ent,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
struct parser_data *data = (void *) buffer;
while (1)
@@ -583,7 +601,8 @@ internal_getgrnam_r (const char *name, struct group *result, ent_t *ent,
return NSS_STATUS_NOTFOUND;
else
{
- __set_errno (ERANGE);
+ fsetpos (ent->stream, &pos);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
}
@@ -598,13 +617,14 @@ internal_getgrnam_r (const char *name, struct group *result, ent_t *ent,
while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
/* Parse the line. If it is invalid, loop to
get the next line of the file to parse. */
- !(parse_res = _nss_files_parse_grent (p, result, data, buflen)));
+ !(parse_res = _nss_files_parse_grent (p, result, data, buflen,
+ errnop)));
if (parse_res == -1)
{
/* The parser ran out of space. */
fsetpos (ent->stream, &pos);
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
@@ -618,8 +638,7 @@ internal_getgrnam_r (const char *name, struct group *result, ent_t *ent,
}
/* -group */
- if (result->gr_name[0] == '-' && result->gr_name[1] != '\0'
- && result->gr_name[1] != '@')
+ if (result->gr_name[0] == '-' && result->gr_name[1] != '\0')
{
if (strcmp (&result->gr_name[1], name) == 0)
return NSS_STATUS_NOTFOUND;
@@ -628,14 +647,14 @@ internal_getgrnam_r (const char *name, struct group *result, ent_t *ent,
}
/* +group */
- if (result->gr_name[0] == '+' && result->gr_name[1] != '\0'
- && result->gr_name[1] != '@')
+ if (result->gr_name[0] == '+' && result->gr_name[1] != '\0')
{
if (strcmp (name, &result->gr_name[1]) == 0)
{
enum nss_status status;
- status = getgrnam_plusgroup (name, result, buffer, buflen);
+ status = getgrnam_plusgroup (name, result, buffer, buflen,
+ errnop);
if (status == NSS_STATUS_RETURN)
/* We couldn't parse the entry */
continue;
@@ -648,7 +667,7 @@ internal_getgrnam_r (const char *name, struct group *result, ent_t *ent,
{
enum nss_status status;
- status = getgrnam_plusgroup (name, result, buffer, buflen);
+ status = getgrnam_plusgroup (name, result, buffer, buflen, errnop);
if (status == NSS_STATUS_RETURN)
/* We couldn't parse the entry */
continue;
@@ -662,7 +681,7 @@ internal_getgrnam_r (const char *name, struct group *result, ent_t *ent,
enum nss_status
_nss_compat_getgrnam_r (const char *name, struct group *grp,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
ent_t ent = {0, 0, NULL, 0, NULL, NULL, {NULL, 0, 0}};
enum nss_status status;
@@ -679,7 +698,7 @@ _nss_compat_getgrnam_r (const char *name, struct group *grp,
if (status != NSS_STATUS_SUCCESS)
return status;
- status = internal_getgrnam_r (name, grp, &ent, buffer, buflen);
+ status = internal_getgrnam_r (name, grp, &ent, buffer, buflen, errnop);
internal_endgrent (&ent);
@@ -689,7 +708,7 @@ _nss_compat_getgrnam_r (const char *name, struct group *grp,
/* This function handle the + entry in /etc/group */
static enum nss_status
getgrgid_plusgroup (gid_t gid, struct group *result, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
struct parser_data *data = (void *) buffer;
int parse_res;
@@ -709,10 +728,10 @@ getgrgid_plusgroup (gid_t gid, struct group *result, char *buffer,
return status;
}
if ((parse_res = _nss_nisplus_parse_grent (res, 0, result, buffer,
- buflen)) == -1)
+ buflen, errnop)) == -1)
{
- __set_errno (ERANGE);
nis_freeresult (res);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
nis_freeresult (res);
@@ -724,23 +743,27 @@ getgrgid_plusgroup (gid_t gid, struct group *result, char *buffer,
int outvallen;
if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
snprintf (buf, sizeof (buf), "%d", gid);
if (yp_match (domain, "group.bygid", buf, strlen (buf),
&outval, &outvallen) != YPERR_SUCCESS)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
p = strncpy (buffer, outval,
buflen < (size_t) outvallen ? buflen : (size_t) outvallen);
free (outval);
while (isspace (*p))
p++;
- if ((parse_res = _nss_files_parse_grent (p, result, data, buflen)) == -1)
- {
- __set_errno (ERANGE);
- return NSS_STATUS_TRYAGAIN;
- }
+ parse_res = _nss_files_parse_grent (p, result, data, buflen, errnop);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
}
if (parse_res)
@@ -753,7 +776,7 @@ getgrgid_plusgroup (gid_t gid, struct group *result, char *buffer,
/* Searches in /etc/group and the NIS/NIS+ map for a special group id */
static enum nss_status
internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
struct parser_data *data = (void *) buffer;
while (1)
@@ -772,7 +795,8 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
return NSS_STATUS_NOTFOUND;
else
{
- __set_errno (ERANGE);
+ fsetpos (ent->stream, &pos);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
}
@@ -787,13 +811,14 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
/* Parse the line. If it is invalid, loop to
get the next line of the file to parse. */
- !(parse_res = _nss_files_parse_grent (p, result, data, buflen)));
+ !(parse_res = _nss_files_parse_grent (p, result, data, buflen,
+ errnop)));
if (parse_res == -1)
{
/* The parser ran out of space. */
fsetpos (ent->stream, &pos);
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
@@ -807,16 +832,14 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
}
/* -group */
- if (result->gr_name[0] == '-' && result->gr_name[1] != '\0'
- && result->gr_name[1] != '@')
+ if (result->gr_name[0] == '-' && result->gr_name[1] != '\0')
{
blacklist_store_name (&result->gr_name[1], ent);
continue;
}
/* +group */
- if (result->gr_name[0] == '+' && result->gr_name[1] != '\0'
- && result->gr_name[1] != '@')
+ if (result->gr_name[0] == '+' && result->gr_name[1] != '\0')
{
enum nss_status status;
@@ -824,7 +847,7 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
/etc/group */
blacklist_store_name (&result->gr_name[1], ent);
status = getgrnam_plusgroup (&result->gr_name[1], result, buffer,
- buflen);
+ buflen, errnop);
if (status == NSS_STATUS_SUCCESS && result->gr_gid == gid)
break;
else
@@ -835,7 +858,7 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
{
enum nss_status status;
- status = getgrgid_plusgroup (gid, result, buffer, buflen);
+ status = getgrgid_plusgroup (gid, result, buffer, buflen, errnop);
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
return NSS_STATUS_NOTFOUND;
else
@@ -848,7 +871,7 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
enum nss_status
_nss_compat_getgrgid_r (gid_t gid, struct group *grp,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
ent_t ent = {0, 0, NULL, 0, NULL, NULL, {NULL, 0, 0}};
enum nss_status status;
@@ -862,7 +885,7 @@ _nss_compat_getgrgid_r (gid_t gid, struct group *grp,
if (status != NSS_STATUS_SUCCESS)
return status;
- status = internal_getgrgid_r (gid, grp, &ent, buffer, buflen);
+ status = internal_getgrgid_r (gid, grp, &ent, buffer, buflen, errnop);
internal_endgrent (&ent);
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 21:33:17 +0000