+++ /dev/null
-/*
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-/* #pragma ident "@(#)g_utils.c 1.8 04/02/23 SMI" */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdio.h>
-#include <stdlib.h>
-#ifndef _WIN32
-#include <strings.h>
-#endif
-#include <ctype.h>
-#include <errno.h>
-#include <gssapi/gssapi.h>
-
-#define Q_DEFAULT "default"
-#define BUFLEN 256
-
-#if 0
-static int qop_num_pair_cnt;
-static const char QOP_NUM_FILE[] = "/etc/gss/qop";
-static qop_num qop_num_pairs[MAX_QOP_NUM_PAIRS+1];
-static mutex_t qopfile_lock = DEFAULTMUTEX;
-
-static OM_uint32 gssint_read_qop_file(void);
-
-/*
- * This routine fetches qop and num from "/etc/gss/qop".
- * There is a memory leak associated with rereading this file,
- * because we can't free the qop_num_pairs array when we reread
- * the file (some callers may have been given these pointers).
- * In general, this memory leak should be a small one, because
- * we don't expect the qop file to be changed and reread often.
- */
-static OM_uint32
-gssint_read_qop_file(void)
-{
- char buf[BUFLEN]; /* one line from the file */
- char *name, *next;
- char *qopname, *num_str;
- char *line;
- FILE *fp;
- static int last = 0;
- struct stat stbuf;
- OM_uint32 major = GSS_S_COMPLETE;
-
- (void) mutex_lock(&qopfile_lock);
- if (stat(QOP_NUM_FILE, &stbuf) != 0 || stbuf.st_mtime < last) {
- if (!qop_num_pairs[0].qop) {
- major = GSS_S_FAILURE;
- }
- goto done;
- }
- last = stbuf.st_mtime;
-
- fp = fopen(QOP_NUM_FILE, "r");
- if (fp == (FILE *)0) {
- major = GSS_S_FAILURE;
- goto done;
- }
-
- /*
- * For each line in the file parse it appropriately.
- * File format : qopname num(int)
- * Note that we silently ignore corrupt entries.
- */
- qop_num_pair_cnt = 0;
- while (!feof(fp)) {
- line = fgets(buf, BUFLEN, fp);
- if (line == NULL)
- break;
-
- /* Skip comments and blank lines */
- if ((*line == '#') || (*line == '\n'))
- continue;
-
- /* Skip trailing comments */
- next = strchr(line, '#');
- if (next)
- *next = '\0';
-
- name = &(buf[0]);
- while (isspace(*name))
- name++;
- if (*name == '\0') /* blank line */
- continue;
-
- qopname = name; /* will contain qop name */
- while (!isspace(*qopname))
- qopname++;
- if (*qopname == '\0') {
- continue;
- }
- next = qopname+1;
- *qopname = '\0'; /* null terminate qopname */
- qop_num_pairs[qop_num_pair_cnt].qop = strdup(name);
- if (qop_num_pairs[qop_num_pair_cnt].qop == NULL)
- continue;
-
- name = next;
- while (isspace(*name))
- name++;
- if (*name == '\0') { /* end of line, no num */
- free(qop_num_pairs[qop_num_pair_cnt].qop);
- continue;
- }
- num_str = name; /* will contain num (n) */
- while (!isspace(*num_str))
- num_str++;
- next = num_str+1;
- *num_str++ = '\0'; /* null terminate num_str */
-
- qop_num_pairs[qop_num_pair_cnt].num = (OM_uint32)atoi(name);
- name = next;
- while (isspace(*name))
- name++;
- if (*name == '\0') { /* end of line, no mechanism */
- free(qop_num_pairs[qop_num_pair_cnt].qop);
- continue;
- }
- num_str = name; /* will contain mech */
- while (!isspace(*num_str))
- num_str++;
- *num_str = '\0';
-
- qop_num_pairs[qop_num_pair_cnt].mech = strdup(name);
- if (qop_num_pairs[qop_num_pair_cnt].mech == NULL) {
- free(qop_num_pairs[qop_num_pair_cnt].qop);
- continue;
- }
-
- if (qop_num_pair_cnt++ >= MAX_QOP_NUM_PAIRS)
- break;
- }
- (void) fclose(fp);
-done:
- (void) mutex_unlock(&qopfile_lock);
- return (major);
-}
-
-OM_uint32
-gssint_qop_to_num(
- char *qop,
- char *mech,
- OM_uint32 *num
-)
-{
- int i;
- OM_uint32 major = GSS_S_FAILURE;
-
- if (!num)
- return (GSS_S_CALL_INACCESSIBLE_WRITE);
-
- if (qop == NULL || strlen(qop) == 0 ||
- strcasecmp(qop, Q_DEFAULT) == 0) {
- *num = GSS_C_QOP_DEFAULT;
- return (GSS_S_COMPLETE);
- }
-
- if ((major = gssint_read_qop_file()) != GSS_S_COMPLETE)
- return (major);
-
- for (i = 0; i < qop_num_pair_cnt; i++) {
- if ((strcasecmp(mech, qop_num_pairs[i].mech) == 0) &&
- (strcasecmp(qop, qop_num_pairs[i].qop) == 0)) {
- *num = qop_num_pairs[i].num;
- return (GSS_S_COMPLETE);
- }
- }
-
- return (GSS_S_FAILURE);
-}
-
-OM_uint32
-gssint_num_to_qop(
- char *mech,
- OM_uint32 num,
- char **qop
-)
-{
- int i;
- OM_uint32 major;
-
- if (!qop)
- return (GSS_S_CALL_INACCESSIBLE_WRITE);
- *qop = NULL;
-
- if (num == GSS_C_QOP_DEFAULT) {
- *qop = Q_DEFAULT;
- return (GSS_S_COMPLETE);
- }
-
- if (mech == NULL)
- return (GSS_S_CALL_INACCESSIBLE_READ);
-
- if ((major = gssint_read_qop_file()) != GSS_S_COMPLETE)
- return (major);
-
- for (i = 0; i < qop_num_pair_cnt; i++) {
- if ((strcasecmp(mech, qop_num_pairs[i].mech) == 0) &&
- (num == qop_num_pairs[i].num)) {
- *qop = qop_num_pairs[i].qop;
- return (GSS_S_COMPLETE);
- }
- }
- return (GSS_S_FAILURE);
-}
-
-/*
- * For a given mechanism pass back qop information about it in a buffer
- * of size MAX_QOPS_PER_MECH+1.
- */
-OM_uint32
-gssint_get_mech_info(
- char *mech,
- char **qops
-)
-{
- int i, cnt = 0;
- OM_uint32 major = GSS_S_COMPLETE;
-
- if (!qops)
- return (GSS_S_CALL_INACCESSIBLE_WRITE);
- *qops = NULL;
-
- if (!mech)
- return (GSS_S_CALL_INACCESSIBLE_READ);
-
- if ((major = gssint_read_qop_file()) != GSS_S_COMPLETE)
- return (major);
-
- for (i = 0; i < qop_num_pair_cnt; i++) {
- if (strcmp(mech, qop_num_pairs[i].mech) == 0) {
- if (cnt >= MAX_QOPS_PER_MECH) {
- return (GSS_S_FAILURE);
- }
- qops[cnt++] = qop_num_pairs[i].qop;
- }
- }
- qops[cnt] = NULL;
- return (GSS_S_COMPLETE);
-}
-
-/*
- * Copy the qop values and names for the mechanism back in a qop_num
- * buffer of size MAX_QOPS_PER_MECH provided by the caller.
- */
-OM_uint32
-gssint_mech_qops(
- char *mech,
- qop_num *mechqops,
- int *numqop
-)
-{
- int i;
- OM_uint32 major;
- int cnt = 0;
-
- if (!mechqops || !numqop)
- return (GSS_S_CALL_INACCESSIBLE_WRITE);
- *numqop = 0;
-
- if (!mech)
- return (GSS_S_CALL_INACCESSIBLE_READ);
-
- if ((major = gssint_read_qop_file()) != GSS_S_COMPLETE)
- return (major);
-
- for (i = 0; i < qop_num_pair_cnt; i++) {
- if (strcasecmp(mech, qop_num_pairs[i].mech) == 0) {
- if (cnt >= MAX_QOPS_PER_MECH) {
- return (GSS_S_FAILURE);
- }
- mechqops[cnt++] = qop_num_pairs[i];
- }
- }
- *numqop = cnt;
- return (GSS_S_COMPLETE);
-}
-#endif
projects / krb5.git / commitdiff