Adding upstream version 2.4.38.upstream/2.4.38upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 472 insertions, 0 deletions

diff --git a/support/htdbm.c b/support/htdbm.c
new file mode 100644
index 0000000..40a3d23
--- /dev/null
+++ b/support/htdbm.c
@@ -0,0 +1,472 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * htdbm.c: simple program for manipulating DBM
+ * password databases for the Apache HTTP server
+ *
+ * Contributed by Mladen Turk <mturk mappingsoft.com>
+ * 12 Oct 2001
+ */
+
+#include "passwd_common.h"
+#include "apr_file_io.h"
+#include "apr_file_info.h"
+#include "apr_pools.h"
+#include "apr_signal.h"
+#include "apr_md5.h"
+#include "apr_sha1.h"
+#include "apr_dbm.h"
+#include "apr_getopt.h"
+
+#if APR_HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#if APR_HAVE_STRING_H
+#include <string.h>
+#endif
+#if APR_HAVE_STRINGS_H
+#include <strings.h>
+#endif
+#include <time.h>
+
+#if APR_CHARSET_EBCDIC
+#include "apr_xlate.h"
+#endif /*APR_CHARSET_EBCDIC*/
+
+#if APR_HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if APR_HAVE_CRYPT_H
+#include <crypt.h>
+#endif
+
+
+typedef struct htdbm_t htdbm_t;
+
+struct htdbm_t {
+    apr_dbm_t               *dbm;
+    struct passwd_ctx       ctx;
+#if APR_CHARSET_EBCDIC
+    apr_xlate_t             *to_ascii;
+#endif
+    char                    *filename;
+    char                    *username;
+    char                    *comment;
+    char                    *type;
+    int                     create;
+    int                     rdonly;
+};
+
+
+#define HTDBM_MAKE   0
+#define HTDBM_DELETE 1
+#define HTDBM_VERIFY 2
+#define HTDBM_LIST   3
+#define HTDBM_NOFILE 4
+
+static void terminate(void)
+{
+    apr_terminate();
+#ifdef NETWARE
+    pressanykey();
+#endif
+}
+
+static void htdbm_terminate(htdbm_t *htdbm)
+{
+    if (htdbm->dbm)
+        apr_dbm_close(htdbm->dbm);
+    htdbm->dbm = NULL;
+}
+
+static htdbm_t *h;
+
+static void htdbm_interrupted(void)
+{
+    htdbm_terminate(h);
+    fprintf(stderr, "htdbm Interrupted !\n");
+    exit(ERR_INTERRUPTED);
+}
+
+static apr_status_t htdbm_init(apr_pool_t **pool, htdbm_t **hdbm)
+{
+
+#if APR_CHARSET_EBCDIC
+    apr_status_t rv;
+#endif
+
+    apr_pool_create( pool, NULL);
+    apr_pool_abort_set(abort_on_oom, *pool);
+    apr_file_open_stderr(&errfile, *pool);
+    apr_signal(SIGINT, (void (*)(int)) htdbm_interrupted);
+
+    (*hdbm) = (htdbm_t *)apr_pcalloc(*pool, sizeof(htdbm_t));
+    (*hdbm)->ctx.pool = *pool;
+
+#if APR_CHARSET_EBCDIC
+    rv = apr_xlate_open(&((*hdbm)->to_ascii), "ISO-8859-1", APR_DEFAULT_CHARSET, (*hdbm)->ctx.pool);
+    if (rv) {
+        fprintf(stderr, "apr_xlate_open(to ASCII)->%d\n", rv);
+        return APR_EGENERAL;
+    }
+    rv = apr_SHA1InitEBCDIC((*hdbm)->to_ascii);
+    if (rv) {
+        fprintf(stderr, "apr_SHA1InitEBCDIC()->%d\n", rv);
+        return APR_EGENERAL;
+    }
+    rv = apr_MD5InitEBCDIC((*hdbm)->to_ascii);
+    if (rv) {
+        fprintf(stderr, "apr_MD5InitEBCDIC()->%d\n", rv);
+        return APR_EGENERAL;
+    }
+#endif /*APR_CHARSET_EBCDIC*/
+
+    /* Set MD5 as default */
+    (*hdbm)->ctx.alg = ALG_APMD5;
+    (*hdbm)->type = "default";
+    return APR_SUCCESS;
+}
+
+static apr_status_t htdbm_open(htdbm_t *htdbm)
+{
+    if (htdbm->create)
+        return apr_dbm_open_ex(&htdbm->dbm, htdbm->type, htdbm->filename, APR_DBM_RWCREATE,
+                            APR_OS_DEFAULT, htdbm->ctx.pool);
+    else
+        return apr_dbm_open_ex(&htdbm->dbm, htdbm->type, htdbm->filename,
+                            htdbm->rdonly ? APR_DBM_READONLY : APR_DBM_READWRITE,
+                            APR_OS_DEFAULT, htdbm->ctx.pool);
+}
+
+static apr_status_t htdbm_save(htdbm_t *htdbm, int *changed)
+{
+    apr_datum_t key, val;
+
+    if (!htdbm->username)
+        return APR_SUCCESS;
+
+    key.dptr = htdbm->username;
+    key.dsize = strlen(htdbm->username);
+    if (apr_dbm_exists(htdbm->dbm, key))
+        *changed = 1;
+
+    val.dsize = strlen(htdbm->ctx.passwd);
+    if (!htdbm->comment)
+        val.dptr  = htdbm->ctx.passwd;
+    else {
+        val.dptr = apr_pstrcat(htdbm->ctx.pool, htdbm->ctx.passwd, ":",
+                               htdbm->comment, NULL);
+        val.dsize += (strlen(htdbm->comment) + 1);
+    }
+    return apr_dbm_store(htdbm->dbm, key, val);
+}
+
+static apr_status_t htdbm_del(htdbm_t *htdbm)
+{
+    apr_datum_t key;
+
+    key.dptr = htdbm->username;
+    key.dsize = strlen(htdbm->username);
+    if (!apr_dbm_exists(htdbm->dbm, key))
+        return APR_ENOENT;
+
+    return apr_dbm_delete(htdbm->dbm, key);
+}
+
+static apr_status_t htdbm_verify(htdbm_t *htdbm)
+{
+    apr_datum_t key, val;
+    char *pwd;
+    char *rec, *cmnt;
+
+    key.dptr = htdbm->username;
+    key.dsize = strlen(htdbm->username);
+    if (!apr_dbm_exists(htdbm->dbm, key))
+        return APR_ENOENT;
+    if (apr_dbm_fetch(htdbm->dbm, key, &val) != APR_SUCCESS)
+        return APR_ENOENT;
+    rec = apr_pstrndup(htdbm->ctx.pool, val.dptr, val.dsize);
+    cmnt = strchr(rec, ':');
+    if (cmnt)
+        pwd = apr_pstrndup(htdbm->ctx.pool, rec, cmnt - rec);
+    else
+        pwd = apr_pstrdup(htdbm->ctx.pool, rec);
+    return apr_password_validate(htdbm->ctx.passwd, pwd);
+}
+
+static apr_status_t htdbm_list(htdbm_t *htdbm)
+{
+    apr_status_t rv;
+    apr_datum_t key, val;
+    char *cmnt;
+    int i = 0;
+
+    rv = apr_dbm_firstkey(htdbm->dbm, &key);
+    if (rv != APR_SUCCESS) {
+        fprintf(stderr, "Empty database -- %s\n", htdbm->filename);
+        return APR_ENOENT;
+    }
+    fprintf(stderr, "Dumping records from database -- %s\n", htdbm->filename);
+    fprintf(stderr, "    %-32s Comment\n", "Username");
+    while (key.dptr != NULL) {
+        rv = apr_dbm_fetch(htdbm->dbm, key, &val);
+        if (rv != APR_SUCCESS) {
+            fprintf(stderr, "Failed getting data from %s\n", htdbm->filename);
+            return APR_EGENERAL;
+        }
+        /* Note: we don't store \0-terminators on our dbm data */
+        fprintf(stderr, "    %-32.*s", (int)key.dsize, key.dptr);
+        cmnt = memchr(val.dptr, ':', val.dsize);
+        if (cmnt)
+            fprintf(stderr, " %.*s", (int)(val.dptr+val.dsize - (cmnt+1)), cmnt + 1);
+        fprintf(stderr, "\n");
+        rv = apr_dbm_nextkey(htdbm->dbm, &key);
+        if (rv != APR_SUCCESS)
+            fprintf(stderr, "Failed getting NextKey\n");
+        ++i;
+    }
+
+    fprintf(stderr, "Total #records : %d\n", i);
+    return APR_SUCCESS;
+}
+
+static int htdbm_make(htdbm_t *htdbm)
+{
+    char cpw[MAX_STRING_LEN];
+    int ret;
+
+    htdbm->ctx.out = cpw;
+    htdbm->ctx.out_len = sizeof(cpw);
+    ret = mkhash(&htdbm->ctx);
+    if (ret != 0) {
+        fprintf(stderr, "Error: %s\n", htdbm->ctx.errstr);
+        return ret;
+    }
+    htdbm->ctx.passwd = apr_pstrdup(htdbm->ctx.pool, cpw);
+    return 0;
+}
+
+static apr_status_t htdbm_valid_username(htdbm_t *htdbm)
+{
+    if (!htdbm->username || (strlen(htdbm->username) > 64) || (strlen(htdbm->username) < 1)) {
+        fprintf(stderr, "Invalid username length\n");
+        return APR_EINVAL;
+    }
+    if (strchr(htdbm->username, ':')) {
+        fprintf(stderr, "Username contains invalid characters\n");
+        return APR_EINVAL;
+    }
+    return APR_SUCCESS;
+}
+
+static void htdbm_usage(void)
+{
+    fprintf(stderr,
+        "htdbm -- program for manipulating DBM password databases.\n\n"
+        "Usage: htdbm   [-cimBdpstvx] [-C cost] [-TDBTYPE] database username\n"
+        "                -b[cmBdptsv] [-C cost] [-TDBTYPE] database username password\n"
+        "                -n[imBdpst]  [-C cost] username\n"
+        "                -nb[mBdpst]  [-C cost] username password\n"
+        "                -v[imBdps]   [-C cost] [-TDBTYPE] database username\n"
+        "                -vb[mBdps]   [-C cost] [-TDBTYPE] database username password\n"
+        "                -x                     [-TDBTYPE] database username\n"
+        "                -l                     [-TDBTYPE] database\n"
+        "Options:\n"
+        "   -c   Create a new database.\n"
+        "   -n   Don't update database; display results on stdout.\n"
+        "   -b   Use the password from the command line rather than prompting for it.\n"
+        "   -i   Read password from stdin without verification (for script usage).\n"
+        "   -m   Force MD5 encryption of the password (default).\n"
+        "   -B   Force BCRYPT encryption of the password (very secure).\n"
+        "   -C   Set the computing time used for the bcrypt algorithm\n"
+        "        (higher is more secure but slower, default: %d, valid: 4 to 31).\n"
+        "   -d   Force CRYPT encryption of the password (8 chars max, insecure).\n"
+        "   -s   Force SHA encryption of the password (insecure).\n"
+        "   -p   Do not encrypt the password (plaintext, insecure).\n"
+        "   -T   DBM Type (SDBM|GDBM|DB|default).\n"
+        "   -l   Display usernames from database on stdout.\n"
+        "   -v   Verify the username/password.\n"
+        "   -x   Remove the username record from database.\n"
+        "   -t   The last param is username comment.\n"
+        "The SHA algorithm does not use a salt and is less secure than the "
+        "MD5 algorithm.\n",
+        BCRYPT_DEFAULT_COST);
+    exit(ERR_SYNTAX);
+}
+
+int main(int argc, const char * const argv[])
+{
+    apr_pool_t *pool;
+    apr_status_t rv;
+    char errbuf[MAX_STRING_LEN];
+    int  need_file = 1;
+    int  need_user = 1;
+    int  need_pwd  = 1;
+    int  need_cmnt = 0;
+    int  changed = 0;
+    int  cmd = HTDBM_MAKE;
+    int  i, ret, args_left = 2;
+    apr_getopt_t *state;
+    char opt;
+    const char *opt_arg;
+
+    apr_app_initialize(&argc, &argv, NULL);
+    atexit(terminate);
+
+    if ((rv = htdbm_init(&pool, &h)) != APR_SUCCESS) {
+        fprintf(stderr, "Unable to initialize htdbm terminating!\n");
+        apr_strerror(rv, errbuf, sizeof(errbuf));
+        exit(1);
+    }
+
+    rv = apr_getopt_init(&state, pool, argc, argv);
+    if (rv != APR_SUCCESS)
+        exit(ERR_SYNTAX);
+
+    while ((rv = apr_getopt(state, "cnmspdBbtivxlC:T:", &opt, &opt_arg)) == APR_SUCCESS) {
+        switch (opt) {
+        case 'c':
+            h->create = 1;
+            break;
+        case 'n':
+            need_file = 0;
+            cmd = HTDBM_NOFILE;
+            args_left--;
+            break;
+        case 'l':
+            need_pwd = 0;
+            need_user = 0;
+            cmd = HTDBM_LIST;
+            h->rdonly = 1;
+            args_left--;
+            break;
+        case 't':
+            need_cmnt = 1;
+            args_left++;
+            break;
+        case 'T':
+            h->type = apr_pstrdup(h->ctx.pool, opt_arg);
+            break;
+        case 'v':
+            h->rdonly = 1;
+            cmd = HTDBM_VERIFY;
+            break;
+        case 'x':
+            need_pwd = 0;
+            cmd = HTDBM_DELETE;
+            break;
+        default:
+            ret = parse_common_options(&h->ctx, opt, opt_arg);
+            if (ret) {
+                fprintf(stderr, "Error: %s\n", h->ctx.errstr);
+                exit(ret);
+            }
+        }
+    }
+    if (h->ctx.passwd_src == PW_ARG) {
+            need_pwd = 0;
+            args_left++;
+    }
+    /*
+     * Make sure we still have exactly the right number of arguments left
+     * (the filename, the username, and possibly the password if -b was
+     * specified).
+     */
+    i = state->ind;
+    if (rv != APR_EOF || argc - i != args_left)
+        htdbm_usage();
+
+    if (need_file) {
+        h->filename = apr_pstrdup(h->ctx.pool, argv[i++]);
+        if ((rv = htdbm_open(h)) != APR_SUCCESS) {
+            fprintf(stderr, "Error opening database %s\n", h->filename);
+            apr_strerror(rv, errbuf, sizeof(errbuf));
+            fprintf(stderr,"%s\n",errbuf);
+            exit(ERR_FILEPERM);
+        }
+    }
+    if (need_user) {
+        h->username = apr_pstrdup(pool, argv[i++]);
+        if (htdbm_valid_username(h) != APR_SUCCESS)
+            exit(ERR_BADUSER);
+    }
+    if (h->ctx.passwd_src == PW_ARG)
+        h->ctx.passwd = apr_pstrdup(pool, argv[i++]);
+
+    if (need_pwd) {
+        ret = get_password(&h->ctx);
+        if (ret) {
+            fprintf(stderr, "Error: %s\n", h->ctx.errstr);
+            exit(ret);
+        }
+    }
+    if (need_cmnt)
+        h->comment = apr_pstrdup(pool, argv[i++]);
+
+    switch (cmd) {
+        case HTDBM_VERIFY:
+            if ((rv = htdbm_verify(h)) != APR_SUCCESS) {
+                if (APR_STATUS_IS_ENOENT(rv)) {
+                    fprintf(stderr, "The user '%s' could not be found in database\n", h->username);
+                    exit(ERR_BADUSER);
+                }
+                else {
+                    fprintf(stderr, "Password mismatch for user '%s'\n", h->username);
+                    exit(ERR_PWMISMATCH);
+                }
+            }
+            else
+                fprintf(stderr, "Password validated for user '%s'\n", h->username);
+            break;
+        case HTDBM_DELETE:
+            if (htdbm_del(h) != APR_SUCCESS) {
+                fprintf(stderr, "Cannot find user '%s' in database\n", h->username);
+                exit(ERR_BADUSER);
+            }
+            h->username = NULL;
+            changed = 1;
+            break;
+        case HTDBM_LIST:
+            htdbm_list(h);
+            break;
+        default:
+            ret = htdbm_make(h);
+            if (ret)
+                exit(ret);
+            break;
+    }
+    if (need_file && !h->rdonly) {
+        if ((rv = htdbm_save(h, &changed)) != APR_SUCCESS) {
+            apr_strerror(rv, errbuf, sizeof(errbuf));
+            exit(ERR_FILEPERM);
+        }
+        fprintf(stdout, "Database %s %s.\n", h->filename,
+                h->create ? "created" : (changed ? "modified" : "updated"));
+    }
+    if (cmd == HTDBM_NOFILE) {
+        if (!need_cmnt) {
+            fprintf(stderr, "%s:%s\n", h->username, h->ctx.passwd);
+        }
+        else {
+            fprintf(stderr, "%s:%s:%s\n", h->username, h->ctx.passwd,
+                    h->comment);
+        }
+    }
+    htdbm_terminate(h);
+
+    return 0; /* Suppress compiler warning. */
+}