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Diffstat (limited to 'nis/ypclnt.c')
-rw-r--r--nis/ypclnt.c281
1 files changed, 169 insertions, 112 deletions
diff --git a/nis/ypclnt.c b/nis/ypclnt.c
index 6230cb84dc..66095667c6 100644
--- a/nis/ypclnt.c
+++ b/nis/ypclnt.c
@@ -46,12 +46,12 @@ struct dom_binding
};
typedef struct dom_binding dom_binding;
-static struct timeval RPCTIMEOUT = {25, 0};
-static struct timeval UDPTIMEOUT = {5, 0};
+static const struct timeval RPCTIMEOUT = {25, 0};
+static const struct timeval UDPTIMEOUT = {5, 0};
static int const MAXTRIES = 2;
-static char __ypdomainname[NIS_MAXNAMELEN + 1] = "\0";
+static char ypdomainname[NIS_MAXNAMELEN + 1];
__libc_lock_define_initialized (static, ypbindlist_lock)
-static dom_binding *__ypbindlist = NULL;
+static dom_binding *ypbindlist = NULL;
static void
@@ -111,8 +111,8 @@ yp_bind_ypbindprog (const char *domain, dom_binding *ysd)
int clnt_sock;
CLIENT *client;
- memset (&clnt_saddr, '\0', sizeof clnt_saddr);
clnt_saddr.sin_family = AF_INET;
+ clnt_saddr.sin_port = 0;
clnt_saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
clnt_sock = RPC_ANYSOCK;
client = clnttcp_create (&clnt_saddr, YPBINDPROG, YPBINDVERS,
@@ -142,7 +142,7 @@ yp_bind_ypbindprog (const char *domain, dom_binding *ysd)
if (ypbr.ypbind_status != YPBIND_SUCC_VAL)
{
- fprintf (stderr, _("YPBINDPROC_DOMAIN: %s\n"),
+ fprintf (stderr, "YPBINDPROC_DOMAIN: %s\n",
ypbinderr_string (ypbr.ypbind_resp_u.ypbind_error));
return YPERR_DOMAIN;
}
@@ -225,7 +225,7 @@ yp_bind (const char *indomain)
__libc_lock_lock (ypbindlist_lock);
- status = __yp_bind (indomain, &__ypbindlist);
+ status = __yp_bind (indomain, &ypbindlist);
__libc_lock_unlock (ypbindlist_lock);
@@ -239,7 +239,7 @@ yp_unbind_locked (const char *indomain)
dom_binding *ydbptr, *ydbptr2;
ydbptr2 = NULL;
- ydbptr = __ypbindlist;
+ ydbptr = ypbindlist;
while (ydbptr != NULL)
{
@@ -249,7 +249,7 @@ yp_unbind_locked (const char *indomain)
work = ydbptr;
if (ydbptr2 == NULL)
- __ypbindlist = __ypbindlist->dom_pnext;
+ ypbindlist = ypbindlist->dom_pnext;
else
ydbptr2 = ydbptr->dom_pnext;
__yp_unbind (work);
@@ -306,7 +306,7 @@ do_ypcall (const char *domain, u_long prog, xdrproc_t xargs,
status = YPERR_YPERR;
__libc_lock_lock (ypbindlist_lock);
- ydb = __ypbindlist;
+ ydb = ypbindlist;
while (ydb != NULL)
{
if (strcmp (domain, ydb->dom_domain) == 0)
@@ -349,7 +349,7 @@ do_ypcall (const char *domain, u_long prog, xdrproc_t xargs,
if (status != YPERR_SUCCESS)
{
ydb = calloc (1, sizeof (dom_binding));
- if (yp_bind_ypbindprog (domain, ydb) == YPERR_SUCCESS)
+ if (ydb != NULL && yp_bind_ypbindprog (domain, ydb) == YPERR_SUCCESS)
{
status = __ypclnt_call (domain, prog, xargs, req, xres,
resp, &ydb, 1);
@@ -365,6 +365,21 @@ do_ypcall (const char *domain, u_long prog, xdrproc_t xargs,
return status;
}
+/* Like do_ypcall, but translate the status value if necessary. */
+static int
+do_ypcall_tr (const char *domain, u_long prog, xdrproc_t xargs,
+ caddr_t req, xdrproc_t xres, caddr_t resp)
+{
+ int status = do_ypcall (domain, prog, xargs, req, xres, resp);
+ if (status == YPERR_SUCCESS)
+ /* We cast to ypresp_val although the pointer could also be of
+ type ypresp_key_val or ypresp_master or ypresp_order or
+ ypresp_maplist. But the stat element is in a common prefix so
+ this does not matter. */
+ status = ypprot_err (((struct ypresp_val *) resp)->stat);
+ return status;
+}
+
__libc_lock_define_initialized (static, domainname_lock)
@@ -376,21 +391,21 @@ yp_get_default_domain (char **outdomain)
__libc_lock_lock (domainname_lock);
- if (__ypdomainname[0] == '\0')
+ if (ypdomainname[0] == '\0')
{
- if (getdomainname (__ypdomainname, NIS_MAXNAMELEN))
+ if (getdomainname (ypdomainname, NIS_MAXNAMELEN))
result = YPERR_NODOM;
- else if (strcmp (__ypdomainname, "(none)") == 0)
+ else if (strcmp (ypdomainname, "(none)") == 0)
{
/* If domainname is not set, some systems will return "(none)" */
- __ypdomainname[0] = '\0';
+ ypdomainname[0] = '\0';
result = YPERR_NODOM;
}
else
- *outdomain = __ypdomainname;
+ *outdomain = ypdomainname;
}
else
- *outdomain = __ypdomainname;
+ *outdomain = ypdomainname;
__libc_lock_unlock (domainname_lock);
@@ -403,14 +418,14 @@ __yp_check (char **domain)
{
char *unused;
- if (__ypdomainname[0] == '\0')
+ if (ypdomainname[0] == '\0')
if (yp_get_default_domain (&unused))
return 0;
if (domain)
- *domain = __ypdomainname;
+ *domain = ypdomainname;
- if (yp_bind (__ypdomainname) == 0)
+ if (yp_bind (ypdomainname) == 0)
return 1;
return 0;
}
@@ -437,25 +452,26 @@ yp_match (const char *indomain, const char *inmap, const char *inkey,
*outvallen = 0;
memset (&resp, '\0', sizeof (resp));
- result = do_ypcall (indomain, YPPROC_MATCH, (xdrproc_t) xdr_ypreq_key,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_val,
- (caddr_t) & resp);
+ result = do_ypcall_tr (indomain, YPPROC_MATCH, (xdrproc_t) xdr_ypreq_key,
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_val,
+ (caddr_t) &resp);
if (result != YPERR_SUCCESS)
return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
*outvallen = resp.val.valdat_len;
*outval = malloc (*outvallen + 1);
- if (__builtin_expect (*outval == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outval, resp.val.valdat_val, *outvallen);
- (*outval)[*outvallen] = '\0';
+ int status = YPERR_RESRC;
+ if (__builtin_expect (*outval != NULL, 1))
+ {
+ memcpy (*outval, resp.val.valdat_val, *outvallen);
+ (*outval)[*outvallen] = '\0';
+ status = YPERR_SUCCESS;
+ }
xdr_free ((xdrproc_t) xdr_ypresp_val, (char *) &resp);
- return YPERR_SUCCESS;
+ return status;
}
int
@@ -478,30 +494,38 @@ yp_first (const char *indomain, const char *inmap, char **outkey,
memset (&resp, '\0', sizeof (resp));
result = do_ypcall (indomain, YPPROC_FIRST, (xdrproc_t) xdr_ypreq_nokey,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_key_val,
- (caddr_t) & resp);
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_key_val,
+ (caddr_t) &resp);
if (result != RPC_SUCCESS)
return YPERR_RPC;
if (resp.stat != YP_TRUE)
return ypprot_err (resp.stat);
- *outkeylen = resp.key.keydat_len;
- *outkey = malloc (*outkeylen + 1);
- if (__builtin_expect (*outkey == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outkey, resp.key.keydat_val, *outkeylen);
- (*outkey)[*outkeylen] = '\0';
- *outvallen = resp.val.valdat_len;
- *outval = malloc (*outvallen + 1);
- if (__builtin_expect (*outval == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outval, resp.val.valdat_val, *outvallen);
- (*outval)[*outvallen] = '\0';
+ int status;
+ if (__builtin_expect ((*outkey = malloc (resp.key.keydat_len + 1)) != NULL
+ && (*outval = malloc (resp.val.valdat_len
+ + 1)) != NULL, 1))
+ {
+ *outkeylen = resp.key.keydat_len;
+ memcpy (*outkey, resp.key.keydat_val, *outkeylen);
+ (*outkey)[*outkeylen] = '\0';
+
+ *outvallen = resp.val.valdat_len;
+ memcpy (*outval, resp.val.valdat_val, *outvallen);
+ (*outval)[*outvallen] = '\0';
+
+ status = YPERR_SUCCESS;
+ }
+ else
+ {
+ free (*outkey);
+ status = YPERR_RESRC;
+ }
xdr_free ((xdrproc_t) xdr_ypresp_key_val, (char *) &resp);
- return YPERR_SUCCESS;
+ return status;
}
int
@@ -527,31 +551,37 @@ yp_next (const char *indomain, const char *inmap, const char *inkey,
*outkeylen = *outvallen = 0;
memset (&resp, '\0', sizeof (resp));
- result = do_ypcall (indomain, YPPROC_NEXT, (xdrproc_t) xdr_ypreq_key,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_key_val,
- (caddr_t) & resp);
+ result = do_ypcall_tr (indomain, YPPROC_NEXT, (xdrproc_t) xdr_ypreq_key,
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_key_val,
+ (caddr_t) &resp);
if (result != YPERR_SUCCESS)
return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
- *outkeylen = resp.key.keydat_len;
- *outkey = malloc (*outkeylen + 1);
- if (__builtin_expect (*outkey == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outkey, resp.key.keydat_val, *outkeylen);
- (*outkey)[*outkeylen] = '\0';
- *outvallen = resp.val.valdat_len;
- *outval = malloc (*outvallen + 1);
- if (__builtin_expect (*outval == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outval, resp.val.valdat_val, *outvallen);
- (*outval)[*outvallen] = '\0';
+ int status;
+ if (__builtin_expect ((*outkey = malloc (resp.key.keydat_len + 1)) != NULL
+ && (*outval = malloc (resp.val.valdat_len
+ + 1)) != NULL, 1))
+ {
+ *outkeylen = resp.key.keydat_len;
+ memcpy (*outkey, resp.key.keydat_val, *outkeylen);
+ (*outkey)[*outkeylen] = '\0';
+
+ *outvallen = resp.val.valdat_len;
+ memcpy (*outval, resp.val.valdat_val, *outvallen);
+ (*outval)[*outvallen] = '\0';
+
+ status = YPERR_SUCCESS;
+ }
+ else
+ {
+ free (*outkey);
+ status = YPERR_RESRC;
+ }
xdr_free ((xdrproc_t) xdr_ypresp_key_val, (char *) &resp);
- return YPERR_SUCCESS;
+ return status;
}
int
@@ -570,13 +600,12 @@ yp_master (const char *indomain, const char *inmap, char **outname)
memset (&resp, '\0', sizeof (ypresp_master));
- result = do_ypcall (indomain, YPPROC_MASTER, (xdrproc_t) xdr_ypreq_nokey,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_master, (caddr_t) & resp);
+ result = do_ypcall_tr (indomain, YPPROC_MASTER, (xdrproc_t) xdr_ypreq_nokey,
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_master,
+ (caddr_t) &resp);
if (result != YPERR_SUCCESS)
return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
*outname = strdup (resp.peer);
xdr_free ((xdrproc_t) xdr_ypresp_master, (char *) &resp);
@@ -593,7 +622,7 @@ yp_order (const char *indomain, const char *inmap, unsigned int *outorder)
enum clnt_stat result;
if (indomain == NULL || indomain[0] == '\0' ||
- inmap == NULL || inmap == '\0')
+ inmap == NULL || inmap[0] == '\0')
return YPERR_BADARGS;
req.domain = (char *) indomain;
@@ -601,18 +630,17 @@ yp_order (const char *indomain, const char *inmap, unsigned int *outorder)
memset (&resp, '\0', sizeof (resp));
- result = do_ypcall (indomain, YPPROC_ORDER, (xdrproc_t) xdr_ypreq_nokey,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_order, (caddr_t) & resp);
+ result = do_ypcall_tr (indomain, YPPROC_ORDER, (xdrproc_t) xdr_ypreq_nokey,
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_order,
+ (caddr_t) &resp);
- if (result != YPERR_SUCCESS)
+ if (result == YPERR_SUCCESS)
return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
*outorder = resp.ordernum;
xdr_free ((xdrproc_t) xdr_ypresp_order, (char *) &resp);
- return YPERR_SUCCESS;
+ return result;
}
struct ypresp_all_data
@@ -694,8 +722,8 @@ yp_all (const char *indomain, const char *inmap,
int clnt_sock;
int saved_errno = errno;
- if (indomain == NULL || indomain[0] == '\0' ||
- inmap == NULL || inmap == '\0')
+ if (indomain == NULL || indomain[0] == '\0'
+ || inmap == NULL || inmap[0] == '\0')
return YPERR_BADARGS;
try = 0;
@@ -733,9 +761,9 @@ yp_all (const char *indomain, const char *inmap,
(caddr_t) &req, (xdrproc_t) __xdr_ypresp_all,
(caddr_t) &data, RPCTIMEOUT);
- if (result != RPC_SUCCESS)
+ if (__builtin_expect (result != RPC_SUCCESS, 0))
{
- /* Print the error message only on the last try */
+ /* Print the error message only on the last try. */
if (try == MAXTRIES - 1)
clnt_perror (clnt, "yp_all: clnt_call");
res = YPERR_RPC;
@@ -759,6 +787,7 @@ yp_all (const char *indomain, const char *inmap,
}
int
+
yp_maplist (const char *indomain, struct ypmaplist **outmaplist)
{
struct ypresp_maplist resp;
@@ -769,62 +798,82 @@ yp_maplist (const char *indomain, struct ypmaplist **outmaplist)
memset (&resp, '\0', sizeof (resp));
- result = do_ypcall (indomain, YPPROC_MAPLIST, (xdrproc_t) xdr_domainname,
- (caddr_t) & indomain, (xdrproc_t) xdr_ypresp_maplist, (caddr_t) & resp);
-
- if (result != YPERR_SUCCESS)
- return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
+ result = do_ypcall_tr (indomain, YPPROC_MAPLIST, (xdrproc_t) xdr_domainname,
+ (caddr_t) &indomain, (xdrproc_t) xdr_ypresp_maplist,
+ (caddr_t) &resp);
- *outmaplist = resp.maps;
- /* We give the list not free, this will be done by ypserv
- xdr_free((xdrproc_t)xdr_ypresp_maplist, (char *)&resp); */
+ if (__builtin_expect (result == YPERR_SUCCESS, 1))
+ {
+ *outmaplist = resp.maps;
+ /* We don't free the list, this will be done by ypserv
+ xdr_free((xdrproc_t)xdr_ypresp_maplist, (char *)&resp); */
+ }
- return YPERR_SUCCESS;
+ return result;
}
const char *
yperr_string (const int error)
{
+ const char *str;
switch (error)
{
case YPERR_SUCCESS:
- return _("Success");
+ str = "Success";
+ break;
case YPERR_BADARGS:
- return _("Request arguments bad");
+ str = "Request arguments bad";
+ break;
case YPERR_RPC:
- return _("RPC failure on NIS operation");
+ str = "RPC failure on NIS operation";
+ break;
case YPERR_DOMAIN:
- return _("Can't bind to server which serves this domain");
+ str = "Can't bind to server which serves this domain";
+ break;
case YPERR_MAP:
- return _("No such map in server's domain");
+ str = "No such map in server's domain";
+ break;
case YPERR_KEY:
- return _("No such key in map");
+ str = "No such key in map";
+ break;
case YPERR_YPERR:
- return _("Internal NIS error");
+ str = "Internal NIS error";
+ break;
case YPERR_RESRC:
- return _("Local resource allocation failure");
+ str = "Local resource allocation failure";
+ break;
case YPERR_NOMORE:
- return _("No more records in map database");
+ str = "No more records in map database";
+ break;
case YPERR_PMAP:
- return _("Can't communicate with portmapper");
+ str = "Can't communicate with portmapper";
+ break;
case YPERR_YPBIND:
- return _("Can't communicate with ypbind");
+ str = "Can't communicate with ypbind";
+ break;
case YPERR_YPSERV:
- return _("Can't communicate with ypserv");
+ str = "Can't communicate with ypserv";
+ break;
case YPERR_NODOM:
- return _("Local domain name not set");
+ str = "Local domain name not set";
+ break;
case YPERR_BADDB:
- return _("NIS map database is bad");
+ str = "NIS map database is bad";
+ break;
case YPERR_VERS:
- return _("NIS client/server version mismatch - can't supply service");
+ str = "NIS client/server version mismatch - can't supply service";
+ break;
case YPERR_ACCESS:
- return _("Permission denied");
+ str = "Permission denied";
+ break;
case YPERR_BUSY:
- return _("Database is busy");
+ str = "Database is busy";
+ break;
+ default:
+ str = "Unknown NIS error code";
+ break;
}
- return _("Unknown NIS error code");
+ return _(str);
}
static const int8_t yp_2_yperr[] =
@@ -854,19 +903,26 @@ libnsl_hidden_def (ypprot_err)
const char *
ypbinderr_string (const int error)
{
+ const char *str;
switch (error)
{
case 0:
- return _("Success");
+ str = "Success";
+ break;
case YPBIND_ERR_ERR:
- return _("Internal ypbind error");
+ str = "Internal ypbind error";
+ break;
case YPBIND_ERR_NOSERV:
- return _("Domain not bound");
+ str = "Domain not bound";
+ break;
case YPBIND_ERR_RESC:
- return _("System resource allocation failure");
+ str = "System resource allocation failure";
+ break;
default:
- return _("Unknown ypbind error");
+ str = "Unknown ypbind error";
+ break;
}
+ return _(str);
}
libnsl_hidden_def (ypbinderr_string)
@@ -948,6 +1004,7 @@ again:
{
if (clnt->cl_auth->ah_cred.oa_flavor == AUTH_DES)
{
+ auth_destroy (clnt->cl_auth);
clnt->cl_auth = authunix_create_default ();
goto again;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 19:26:40 +0000