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authorUlrich Drepper <drepper@redhat.com>1998-06-26 22:47:20 +0000
committerUlrich Drepper <drepper@redhat.com>1998-06-26 22:47:20 +0000
commitd6db1d53b378a5b1bfdbad56978acce5f6e46409 (patch)
treebc66616539cf94514b191bad6a9b60d4202650e4 /nis/nis_table.c
parent026d50118f29514a92df816fd768c84bccf7e5dc (diff)
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Update.
1998-06-26 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nis_call.c: Don't copy server structure. * nis/nis_intern.h: Remove unused entries. * nis/nis_table.c: Rewrite __create_ib_request.
Diffstat (limited to 'nis/nis_table.c')
-rw-r--r--nis/nis_table.c263
1 files changed, 114 insertions, 149 deletions
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 70d2b80..ed4b374 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -23,138 +23,89 @@
#include "nis_xdr.h"
#include "nis_intern.h"
-static void
-splitname (const_nis_name name, nis_name *ibr_name, int *srch_len,
- nis_attr **srch_val)
+
+static struct ib_request *
+__create_ib_request (const_nis_name name, u_long flags)
{
- char *cptr, *key, *val, *next;
- int size;
+ struct ib_request *ibreq = calloc (1, sizeof (ib_request));
+ char buf[strlen (name) + 1];
+ nis_attr *search_val = NULL;
+ int search_len = 0;
+ char *cptr;
+ size_t size = 0;
- if (name == NULL)
- return;
+ ibreq->ibr_flags = flags;
- cptr = strdup (name);
- if (srch_len)
- *srch_len = 0;
- if (srch_val)
- *srch_val = NULL;
- size = 0;
+ cptr = strcpy (buf, name);
/* Not of "[key=value,key=value,...],foo.." format? */
if (cptr[0] != '[')
{
- *ibr_name = cptr;
- return;
+ ibreq->ibr_name = strdup (cptr);
+ return ibreq;
}
- *ibr_name = strchr (cptr, ']');
- if (*ibr_name == NULL || (*ibr_name)[1] != ',')
- {
- free (cptr);
- *ibr_name = NULL;
- return;
- }
+ /* "[key=value,...],foo" format */
+ ibreq->ibr_name = strchr (cptr, ']');
+ if (ibreq->ibr_name == NULL || ibreq->ibr_name[1] != ',')
+ return NULL;
- *ibr_name[0] = '\0';
- *ibr_name += 2;
- *ibr_name = strdup (*ibr_name);
+ /* Check if we have an entry of "[key=value,],bar". If, remove the "," */
+ if (ibreq->ibr_name[-1] == ',')
+ ibreq->ibr_name[-1] = '\0';
+ else
+ ibreq->ibr_name[0] = '\0';
+ ibreq->ibr_name += 2;
+ ibreq->ibr_name = strdup (ibreq->ibr_name);
- if (srch_len == NULL || srch_val == NULL)
- {
- free (cptr);
- return;
- }
+ ++cptr; /* Remove "[" */
- key = (cptr) + 1;
- do
+ while (cptr != NULL && cptr[0] != '\0')
{
- next = strchr (key, ',');
- if (next)
- {
- next[0] = '\0';
- ++next;
- }
+ char *key = cptr;
+ char *val = strchr (cptr, '=');
+
+ cptr = strchr (key, ',');
+ if (cptr != NULL)
+ *cptr++ = '\0';
- val = strchr (key, '=');
if (!val)
{
- free (cptr);
- *srch_val = malloc (sizeof (nis_attr));
- if (*srch_val == NULL)
- {
- free (cptr);
- free (*ibr_name);
- *ibr_name = NULL;
- return;
- }
- (*srch_val)[0].zattr_val.zattr_val_len = 0;
- (*srch_val)[0].zattr_val.zattr_val_val = NULL;
- return;
+ nis_free_request (ibreq);
+ return NULL;
}
-
- val[0] = '\0';
- ++val;
-
- if ((*srch_len) + 1 >= size)
- {
- size += 10;
- if (size == 10)
- *srch_val = malloc (size * sizeof (char *));
- else
- *srch_val = realloc (val, size * sizeof (char *));
- if (*srch_val == NULL)
+ *val++ = '\0';
+ if ((search_len + 1) >= size)
+ {
+ size += 1;
+ if (size == 1)
+ search_val = malloc (size * sizeof (nis_attr));
+ else
+ search_val = realloc (search_val, size * sizeof (nis_attr));
+ if (search_val == NULL)
{
- free (cptr);
- free (*ibr_name);
- *ibr_name = NULL;
- return;
+ nis_free_request (ibreq);
+ return NULL;
}
}
-
- (*srch_val)[*srch_len].zattr_ndx = strdup (key);
- if (((*srch_val)[*srch_len].zattr_ndx) == NULL)
- {
- free (cptr);
- free (*ibr_name);
- *ibr_name = NULL;
- return;
- }
- (*srch_val)[*srch_len].zattr_val.zattr_val_len = strlen (val) + 1;
- (*srch_val)[*srch_len].zattr_val.zattr_val_val = strdup (val);
- if ((*srch_val)[*srch_len].zattr_val.zattr_val_val == NULL)
- {
- free (cptr);
- free (*ibr_name);
- *ibr_name = NULL;
- return;
- }
- ++(*srch_len);
-
- key = next;
-
+ search_val[search_len].zattr_ndx = strdup (key);
+ if ((search_val[search_len].zattr_ndx) == NULL)
+ {
+ nis_free_request (ibreq);
+ return NULL;
+ }
+ search_val[search_len].zattr_val.zattr_val_len = strlen (val) + 1;
+ search_val[search_len].zattr_val.zattr_val_val = strdup (val);
+ if (search_val[search_len].zattr_val.zattr_val_val == NULL)
+ {
+ nis_free_request (ibreq);
+ return NULL;
+ }
+ ++search_len;
}
- while (next);
-
- free (cptr);
-}
-static struct ib_request *
-__create_ib_request (const_nis_name name, struct ib_request *ibreq,
- u_long flags)
-{
- splitname (name, &ibreq->ibr_name, &ibreq->ibr_srch.ibr_srch_len,
- &ibreq->ibr_srch.ibr_srch_val);
- if (ibreq->ibr_name == NULL)
- return NULL;
-
- ibreq->ibr_flags = flags;
- ibreq->ibr_obj.ibr_obj_len = 0;
- ibreq->ibr_obj.ibr_obj_val = NULL;
- ibreq->ibr_cbhost.ibr_cbhost_len = 0;
- ibreq->ibr_cbhost.ibr_cbhost_val = NULL;
- ibreq->ibr_bufsize = 0;
- ibreq->ibr_cookie.n_len = 0;
- ibreq->ibr_cookie.n_bytes = NULL;
+ ibreq->ibr_srch.ibr_srch_val = search_val;
+ ibreq->ibr_srch.ibr_srch_len = search_len;
return ibreq;
}
@@ -167,7 +118,7 @@ nis_list (const_nis_name name, u_long flags,
const void *userdata)
{
nis_result *res = NULL;
- ib_request *ibreq = calloc (1, sizeof (ib_request));
+ ib_request *ibreq;
int status;
int count_links = 0; /* We will only follow NIS_MAXLINKS links! */
int done = 0;
@@ -180,13 +131,20 @@ nis_list (const_nis_name name, u_long flags,
if (res == NULL)
return NULL;
- if (__create_ib_request (name, ibreq, flags) == NULL)
+ if (name == NULL)
+ {
+ NIS_RES_STATUS (res) = NIS_BADNAME;
+ return res;
+ }
+
+ if ((ibreq = __create_ib_request (name, flags)) == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
- if (flags & EXPAND_NAME)
+ if ((flags & EXPAND_NAME) &&
+ ibreq->ibr_name[strlen (ibreq->ibr_name) - 1] != '.')
{
names = nis_getnames (ibreq->ibr_name);
free (ibreq->ibr_name);
@@ -210,23 +168,23 @@ nis_list (const_nis_name name, u_long flags,
{
nis_result *lres;
u_long newflags = flags & ~FOLLOW_PATH & ~ALL_RESULTS;
- char table_path[NIS_MAXPATH + 1];
+ char table_path[NIS_MAXPATH + 3];
char *ntable, *p;
u_long done = 0, failures = 0;
while (names[name_nr] != NULL && !done)
{
- lres = nis_lookup (names[name_nr], newflags);
+ lres = nis_lookup (names[name_nr], newflags | NO_AUTHINFO);
if (lres == NULL || NIS_RES_STATUS (lres) != NIS_SUCCESS)
{
NIS_RES_STATUS (res) = NIS_RES_STATUS (lres);
nis_freeresult (lres);
++name_nr;
continue;
- }
+ }
/* nis_lookup handles FOLLOW_LINKS,
- so we must have a table object. */
+ so we must have a table object.*/
if (__type_of (NIS_RES_OBJECT (lres)) != NIS_TABLE_OBJ)
{
nis_freeresult (lres);
@@ -235,8 +193,11 @@ nis_list (const_nis_name name, u_long flags,
}
/* Save the path, discard everything else. */
- snprintf (table_path, NIS_MAXPATH, "%s:%s", names[name_nr],
- NIS_RES_OBJECT (lres)->TA_data.ta_path);
+ p = __stpncpy (table_path, names[name_nr], NIS_MAXPATH);
+ *p++ = ':';
+ p = __stpncpy (p, NIS_RES_OBJECT (lres)->TA_data.ta_path,
+ NIS_MAXPATH - (p - table_path));
+ *p = '\0';
nis_freeresult (lres);
free (res);
res = NULL;
@@ -397,21 +358,22 @@ nis_add_entry (const_nis_name name, const nis_object *obj2, u_long flags)
nis_object obj;
nis_result *res;
nis_error status;
- ib_request *ibreq = calloc (1, sizeof (ib_request));
- char buf1[strlen (name) + 20];
- char buf4[strlen (name) + 20];
+ ib_request *ibreq;
+ size_t namelen = strlen (name);
+ char buf1[namelen + 20];
+ char buf4[namelen + 20];
res = calloc (1, sizeof (nis_result));
if (res == NULL)
return NULL;
- if (ibreq == NULL)
+ if (name == NULL)
{
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
+ NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
- if (__create_ib_request (name, ibreq, flags) == NULL)
+ if ((ibreq = __create_ib_request (name, flags)) == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
@@ -456,13 +418,16 @@ nis_modify_entry (const_nis_name name, const nis_object *obj2, u_long flags)
nis_object obj;
nis_result *res;
nis_error status;
- ib_request *ibreq = calloc (1, sizeof (ib_request));
- char buf1[strlen (name) + 20];
- char buf4[strlen (name) + 20];
+ ib_request *ibreq;
+ size_t namelen = strlen (name);
+ char buf1[namelen + 20];
+ char buf4[namelen + 20];
res = calloc (1, sizeof (nis_result));
+ if (res == NULL)
+ return NULL;
- if (__create_ib_request (name, ibreq, flags) == NULL)
+ if (( ibreq =__create_ib_request (name, flags)) == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
@@ -505,20 +470,20 @@ nis_remove_entry (const_nis_name name, const nis_object *obj,
u_long flags)
{
nis_result *res;
- ib_request *ibreq = calloc (1, sizeof (ib_request));
+ ib_request *ibreq;
nis_error status;
res = calloc (1, sizeof (nis_result));
if (res == NULL)
return NULL;
- if (ibreq == NULL)
+ if (name == NULL)
{
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
+ NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
- if (__create_ib_request (name, ibreq, flags) == NULL)
+ if ((ibreq =__create_ib_request (name, flags)) == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
@@ -550,20 +515,20 @@ nis_result *
nis_first_entry (const_nis_name name)
{
nis_result *res;
- ib_request *ibreq = calloc (1, sizeof (ib_request));
+ ib_request *ibreq;
nis_error status;
res = calloc (1, sizeof (nis_result));
if (res == NULL)
return NULL;
- if (ibreq == NULL)
+ if (name == NULL)
{
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
+ NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
- if (__create_ib_request (name, ibreq, 0) == NULL)
+ if ((ibreq =__create_ib_request (name, 0)) == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
@@ -584,20 +549,20 @@ nis_result *
nis_next_entry (const_nis_name name, const netobj *cookie)
{
nis_result *res;
- ib_request *ibreq = calloc (1, sizeof (ib_request));
+ ib_request *ibreq;
nis_error status;
res = calloc (1, sizeof (nis_result));
if (res == NULL)
return NULL;
- if (ibreq == NULL)
+ if (name == NULL)
{
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
+ NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
- if (__create_ib_request (name, ibreq, 0) == NULL)
+ if (( ibreq =__create_ib_request (name, 0)) == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
@@ -605,14 +570,7 @@ nis_next_entry (const_nis_name name, const netobj *cookie)
if (cookie != NULL)
{
- ibreq->ibr_cookie.n_bytes = malloc (cookie->n_len);
- if (ibreq->ibr_cookie.n_bytes == NULL)
- {
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
- nis_free_request (ibreq);
- return res;
- }
- memcpy (ibreq->ibr_cookie.n_bytes, cookie->n_bytes, cookie->n_len);
+ ibreq->ibr_cookie.n_bytes = cookie->n_bytes;
ibreq->ibr_cookie.n_len = cookie->n_len;
}
@@ -622,6 +580,13 @@ nis_next_entry (const_nis_name name, const netobj *cookie)
(caddr_t) res, 0, NULL)) != NIS_SUCCESS)
NIS_RES_STATUS (res) = status;
+ if (cookie != NULL)
+ {
+ /* Don't give cookie free, it is not from us */
+ ibreq->ibr_cookie.n_bytes = NULL;
+ ibreq->ibr_cookie.n_len = 0;
+ }
+
nis_free_request (ibreq);
return res;