diff options
Diffstat (limited to 'nis/nis_table.c')
| -rw-r--r-- | nis/nis_table.c | 207 |
1 files changed, 119 insertions, 88 deletions
diff --git a/nis/nis_table.c b/nis/nis_table.c index 084ce68193..70d2b80fbc 100644 --- a/nis/nis_table.c +++ b/nis/nis_table.c @@ -19,6 +19,8 @@ #include <string.h> #include <rpcsvc/nis.h> + +#include "nis_xdr.h" #include "nis_intern.h" static void @@ -175,10 +177,12 @@ nis_list (const_nis_name name, u_long flags, nis_cb *cb = NULL; res = calloc (1, sizeof (nis_result)); + if (res == NULL) + return NULL; if (__create_ib_request (name, ibreq, flags) == NULL) { - res->status = NIS_BADNAME; + NIS_RES_STATUS (res) = NIS_BADNAME; return res; } @@ -189,7 +193,7 @@ nis_list (const_nis_name name, u_long flags, ibreq->ibr_name = NULL; if (names == NULL) { - res->status = NIS_BADNAME; + NIS_RES_STATUS (res) = NIS_BADNAME; return res; } ibreq->ibr_name = strdup (names[name_nr]); @@ -210,14 +214,12 @@ nis_list (const_nis_name name, u_long flags, char *ntable, *p; u_long done = 0, failures = 0; - memset (res, '\0', sizeof (nis_result)); - while (names[name_nr] != NULL && !done) { lres = nis_lookup (names[name_nr], newflags); - if (lres == NULL || lres->status != NIS_SUCCESS) + if (lres == NULL || NIS_RES_STATUS (lres) != NIS_SUCCESS) { - res->status = lres->status; + NIS_RES_STATUS (res) = NIS_RES_STATUS (lres); nis_freeresult (lres); ++name_nr; continue; @@ -228,7 +230,7 @@ nis_list (const_nis_name name, u_long flags, if (__type_of (NIS_RES_OBJECT (lres)) != NIS_TABLE_OBJ) { nis_freeresult (lres); - res->status = NIS_INVALIDOBJ; + NIS_RES_STATUS (res) = NIS_INVALIDOBJ; break; } @@ -263,7 +265,7 @@ nis_list (const_nis_name name, u_long flags, res = nis_list (ntable, newflags, callback, userdata); if (res == NULL) return NULL; - switch (res->status) + switch (NIS_RES_STATUS (res)) { case NIS_SUCCESS: case NIS_CBRESULTS: @@ -281,10 +283,10 @@ nis_list (const_nis_name name, u_long flags, break; } } - if (res->status == NIS_SUCCESS && failures) - res->status = NIS_S_SUCCESS; - if (res->status == NIS_NOTFOUND && failures) - res->status = NIS_S_NOTFOUND; + if (NIS_RES_STATUS (res) == NIS_SUCCESS && failures) + NIS_RES_STATUS (res) = NIS_S_SUCCESS; + if (NIS_RES_STATUS (res) == NIS_NOTFOUND && failures) + NIS_RES_STATUS (res) = NIS_S_NOTFOUND; break; } } @@ -302,13 +304,13 @@ nis_list (const_nis_name name, u_long flags, memset (res, '\0', sizeof (nis_result)); status = __do_niscall (ibreq->ibr_name, NIS_IBLIST, - (xdrproc_t) xdr_ib_request, - (caddr_t) ibreq, (xdrproc_t) xdr_nis_result, + (xdrproc_t) _xdr_ib_request, + (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result, (caddr_t) res, flags, cb); if (status != NIS_SUCCESS) - res->status = status; + NIS_RES_STATUS (res) = status; - switch (res->status) + switch (NIS_RES_STATUS (res)) { case NIS_PARTIAL: case NIS_SUCCESS: @@ -319,7 +321,7 @@ nis_list (const_nis_name name, u_long flags, /* If we hit the link limit, bail. */ if (count_links > NIS_MAXLINKS) { - res->status = NIS_LINKNAMEERROR; + NIS_RES_STATUS (res) = NIS_LINKNAMEERROR; ++done; break; } @@ -344,7 +346,9 @@ nis_list (const_nis_name name, u_long flags, ++done; break; case NIS_CBRESULTS: - /* Calback is handled in nis_call.c (__do_niscall2). */ + /* Calback is handled in nis_call.c (__do_niscall2), + but we have to change the error code */ + NIS_RES_STATUS (res) = cb->result; ++done; break; case NIS_UNAVAIL: @@ -356,7 +360,7 @@ nis_list (const_nis_name name, u_long flags, if (count_links) { free (ibreq->ibr_name); - res->status = NIS_LINKNAMEERROR; + NIS_RES_STATUS (res) = NIS_LINKNAMEERROR; ++done; break; } @@ -388,55 +392,58 @@ nis_list (const_nis_name name, u_long flags, } nis_result * -nis_add_entry (const_nis_name name, const nis_object *obj, - u_long flags) +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 *p1, *p2, *p3, *p4; char buf1[strlen (name) + 20]; char buf4[strlen (name) + 20]; res = calloc (1, sizeof (nis_result)); + if (res == NULL) + return NULL; + + if (ibreq == NULL) + { + NIS_RES_STATUS (res) = NIS_NOMEMORY; + return res; + } if (__create_ib_request (name, ibreq, flags) == NULL) { - res->status = NIS_BADNAME; + NIS_RES_STATUS (res) = NIS_BADNAME; return res; } - ibreq->ibr_obj.ibr_obj_val = nis_clone_object (obj, NULL); - ibreq->ibr_obj.ibr_obj_len = 1; + memcpy (&obj, obj2, sizeof (nis_object)); - p1 = ibreq->ibr_obj.ibr_obj_val->zo_name; - if (p1 == NULL || strlen (p1) == 0) - ibreq->ibr_obj.ibr_obj_val->zo_name = - nis_leaf_of_r (name, buf1, sizeof (buf1)); + if (obj.zo_name == NULL || strlen (obj.zo_name) == 0) + obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1)); - p2 = ibreq->ibr_obj.ibr_obj_val->zo_owner; - if (p2 == NULL || strlen (p2) == 0) - ibreq->ibr_obj.ibr_obj_val->zo_owner = nis_local_principal (); + if (obj.zo_owner == NULL || strlen (obj.zo_owner) == 0) + obj.zo_owner = nis_local_principal (); - p3 = ibreq->ibr_obj.ibr_obj_val->zo_group; - if (p3 == NULL || strlen (p3) == 0) - ibreq->ibr_obj.ibr_obj_val->zo_group = nis_local_group (); + if (obj.zo_group == NULL || strlen (obj.zo_group) == 0) + obj.zo_group = nis_local_group (); - p4 = ibreq->ibr_obj.ibr_obj_val->zo_domain; - ibreq->ibr_obj.ibr_obj_val->zo_domain = - nis_domain_of_r (name, buf4, sizeof (buf4)); + obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4)); + + ibreq->ibr_obj.ibr_obj_val = nis_clone_object (&obj, NULL); + if (ibreq->ibr_obj.ibr_obj_val == NULL) + { + NIS_RES_STATUS (res) = NIS_NOMEMORY; + return res; + } + ibreq->ibr_obj.ibr_obj_len = 1; if ((status = __do_niscall (ibreq->ibr_name, NIS_IBADD, - (xdrproc_t) xdr_ib_request, + (xdrproc_t) _xdr_ib_request, (caddr_t) ibreq, - (xdrproc_t) xdr_nis_result, + (xdrproc_t) _xdr_nis_result, (caddr_t) res, 0, NULL)) != NIS_SUCCESS) - res->status = status; - - ibreq->ibr_obj.ibr_obj_val->zo_name = p1; - ibreq->ibr_obj.ibr_obj_val->zo_owner = p2; - ibreq->ibr_obj.ibr_obj_val->zo_group = p3; - ibreq->ibr_obj.ibr_obj_val->zo_domain = p4; + NIS_RES_STATUS (res) = status; nis_free_request (ibreq); @@ -444,13 +451,12 @@ nis_add_entry (const_nis_name name, const nis_object *obj, } nis_result * -nis_modify_entry (const_nis_name name, const nis_object *obj, - u_long flags) +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 *p1, *p2, *p3, *p4; char buf1[strlen (name) + 20]; char buf4[strlen (name) + 20]; @@ -458,40 +464,36 @@ nis_modify_entry (const_nis_name name, const nis_object *obj, if (__create_ib_request (name, ibreq, flags) == NULL) { - res->status = NIS_BADNAME; + NIS_RES_STATUS (res) = NIS_BADNAME; return res; } - ibreq->ibr_obj.ibr_obj_val = nis_clone_object (obj, NULL); - ibreq->ibr_obj.ibr_obj_len = 1; + memcpy (&obj, obj2, sizeof (nis_object)); - p1 = ibreq->ibr_obj.ibr_obj_val->zo_name; - if (p1 == NULL || strlen (p1) == 0) - ibreq->ibr_obj.ibr_obj_val->zo_name = - nis_leaf_of_r (name, buf1, sizeof (buf1)); + if (obj.zo_name == NULL || strlen (obj.zo_name) == 0) + obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1)); - p2 = ibreq->ibr_obj.ibr_obj_val->zo_owner; - if (p2 == NULL || strlen (p2) == 0) - ibreq->ibr_obj.ibr_obj_val->zo_owner = nis_local_principal (); + if (obj.zo_owner == NULL || strlen (obj.zo_owner) == 0) + obj.zo_owner = nis_local_principal (); - p3 = ibreq->ibr_obj.ibr_obj_val->zo_group; - if (p3 == NULL || strlen (p3) == 0) - ibreq->ibr_obj.ibr_obj_val->zo_group = nis_local_group (); + if (obj.zo_group == NULL || strlen (obj.zo_group) == 0) + obj.zo_group = nis_local_group (); - p4 = ibreq->ibr_obj.ibr_obj_val->zo_domain; - ibreq->ibr_obj.ibr_obj_val->zo_domain = - nis_domain_of_r (name, buf4, sizeof (buf4)); + obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4)); + + ibreq->ibr_obj.ibr_obj_val = nis_clone_object (&obj, NULL); + if (ibreq->ibr_obj.ibr_obj_val == NULL) + { + NIS_RES_STATUS (res) = NIS_NOMEMORY; + return res; + } + ibreq->ibr_obj.ibr_obj_len = 1; if ((status = __do_niscall (ibreq->ibr_name, NIS_IBMODIFY, - (xdrproc_t) xdr_ib_request, - (caddr_t) ibreq, (xdrproc_t) xdr_nis_result, + (xdrproc_t) _xdr_ib_request, + (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result, (caddr_t) res, 0, NULL)) != NIS_SUCCESS) - res->status = status; - - ibreq->ibr_obj.ibr_obj_val->zo_name = p1; - ibreq->ibr_obj.ibr_obj_val->zo_owner = p2; - ibreq->ibr_obj.ibr_obj_val->zo_group = p3; - ibreq->ibr_obj.ibr_obj_val->zo_domain = p4; + NIS_RES_STATUS (res) = status; nis_free_request (ibreq); @@ -507,24 +509,37 @@ nis_remove_entry (const_nis_name name, const nis_object *obj, nis_error status; res = calloc (1, sizeof (nis_result)); + if (res == NULL) + return NULL; + + if (ibreq == NULL) + { + NIS_RES_STATUS (res) = NIS_NOMEMORY; + return res; + } if (__create_ib_request (name, ibreq, flags) == NULL) { - res->status = NIS_BADNAME; + NIS_RES_STATUS (res) = NIS_BADNAME; return res; } if (obj != NULL) { ibreq->ibr_obj.ibr_obj_val = nis_clone_object (obj, NULL); + if (ibreq->ibr_obj.ibr_obj_val == NULL) + { + NIS_RES_STATUS (res) = NIS_NOMEMORY; + return res; + } ibreq->ibr_obj.ibr_obj_len = 1; } if ((status = __do_niscall (ibreq->ibr_name, NIS_IBREMOVE, - (xdrproc_t) xdr_ib_request, - (caddr_t) ibreq, (xdrproc_t) xdr_nis_result, + (xdrproc_t) _xdr_ib_request, + (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result, (caddr_t) res, 0, NULL)) != NIS_SUCCESS) - res->status = status; + NIS_RES_STATUS (res) = status; nis_free_request (ibreq); @@ -539,18 +554,26 @@ nis_first_entry (const_nis_name name) nis_error status; res = calloc (1, sizeof (nis_result)); + if (res == NULL) + return NULL; + + if (ibreq == NULL) + { + NIS_RES_STATUS (res) = NIS_NOMEMORY; + return res; + } if (__create_ib_request (name, ibreq, 0) == NULL) { - res->status = NIS_BADNAME; + NIS_RES_STATUS (res) = NIS_BADNAME; return res; } if ((status = __do_niscall (ibreq->ibr_name, NIS_IBFIRST, - (xdrproc_t) xdr_ib_request, - (caddr_t) ibreq, (xdrproc_t) xdr_nis_result, + (xdrproc_t) _xdr_ib_request, + (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result, (caddr_t) res, 0, NULL)) != NIS_SUCCESS) - res->status = status; + NIS_RES_STATUS (res) = status; nis_free_request (ibreq); @@ -565,10 +588,18 @@ nis_next_entry (const_nis_name name, const netobj *cookie) nis_error status; res = calloc (1, sizeof (nis_result)); + if (res == NULL) + return NULL; + + if (ibreq == NULL) + { + NIS_RES_STATUS (res) = NIS_NOMEMORY; + return res; + } if (__create_ib_request (name, ibreq, 0) == NULL) { - res->status = NIS_BADNAME; + NIS_RES_STATUS (res) = NIS_BADNAME; return res; } @@ -577,19 +608,19 @@ nis_next_entry (const_nis_name name, const netobj *cookie) ibreq->ibr_cookie.n_bytes = malloc (cookie->n_len); if (ibreq->ibr_cookie.n_bytes == NULL) { - res->status = NIS_NOMEMORY; - free (res); - return 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_len = cookie->n_len; } if ((status = __do_niscall (ibreq->ibr_name, NIS_IBNEXT, - (xdrproc_t) xdr_ib_request, - (caddr_t) ibreq, (xdrproc_t) xdr_nis_result, + (xdrproc_t) _xdr_ib_request, + (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result, (caddr_t) res, 0, NULL)) != NIS_SUCCESS) - res->status = status; + NIS_RES_STATUS (res) = status; nis_free_request (ibreq); |