Adding upstream version 2.4.56.upstream/2.4.56upstream

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

1 files changed, 303 insertions, 0 deletions

diff --git a/support/htdigest.c b/support/htdigest.c
new file mode 100644
index 0000000..43f7054
--- /dev/null
+++ b/support/htdigest.c
@@ -0,0 +1,303 @@
+/* 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.
+ */
+
+/******************************************************************************
+ ******************************************************************************
+ * NOTE! This program is not safe as a setuid executable!  Do not make it
+ * setuid!
+ ******************************************************************************
+ *****************************************************************************/
+/*
+ * htdigest.c: simple program for manipulating digest passwd file for Apache
+ *
+ * by Alexei Kosut, based on htpasswd.c, by Rob McCool
+ */
+
+#include "apr.h"
+#include "apr_file_io.h"
+#include "apr_md5.h"
+#include "apr_lib.h"            /* for apr_getpass() */
+#include "apr_general.h"
+#include "apr_signal.h"
+#include "apr_strings.h"        /* for apr_pstrdup() */
+
+#define APR_WANT_STDIO
+#define APR_WANT_STRFUNC
+#include "apr_want.h"
+
+#if APR_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if APR_HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifdef WIN32
+#include <conio.h>
+#endif
+
+
+#if APR_CHARSET_EBCDIC
+#define LF '\n'
+#define CR '\r'
+#else
+#define LF 10
+#define CR 13
+#endif /* APR_CHARSET_EBCDIC */
+
+#define MAX_STRING_LEN 256
+#define MAX_LINE_LEN 768
+
+apr_file_t *tfp = NULL;
+apr_file_t *errfile;
+apr_pool_t *cntxt;
+#if APR_CHARSET_EBCDIC
+apr_xlate_t *to_ascii;
+#endif
+
+static void cleanup_tempfile_and_exit(int rc)
+{
+    if (tfp) {
+        apr_file_close(tfp);
+    }
+    exit(rc);
+}
+
+static int getword(char *word, char *line, char stop)
+{
+    int x = 0, y;
+
+    for (x = 0; ((line[x]) && (line[x] != stop)); x++) {
+        if (x == (MAX_STRING_LEN - 1)) {
+            return 1;
+        }
+        word[x] = line[x];
+    }
+
+    word[x] = '\0';
+    if (line[x])
+        ++x;
+    y = 0;
+
+    while ((line[y++] = line[x++]));
+
+    return 0;
+}
+
+static int get_line(char *s, int n, apr_file_t *f)
+{
+    int i = 0;
+    char ch;
+    apr_status_t rv = APR_EINVAL;
+
+    /* we need 2 remaining bytes in buffer */
+    while (i < (n - 2) &&
+           ((rv = apr_file_getc(&ch, f)) == APR_SUCCESS) && (ch != '\n')) {
+        s[i++] = ch;
+    }
+    /* First remaining byte potentially used here */
+    if (ch == '\n')
+        s[i++] = ch;
+    /* Second remaining byte used here */
+    s[i] = '\0';
+
+    if (rv != APR_SUCCESS)
+        return 1;
+
+    return 0;
+}
+
+static void putline(apr_file_t *f, char *l)
+{
+    int x;
+
+    for (x = 0; l[x]; x++)
+        apr_file_putc(l[x], f);
+}
+
+
+static void add_password(const char *user, const char *realm, apr_file_t *f)
+{
+    char *pw;
+    apr_md5_ctx_t context;
+    unsigned char digest[16];
+    char string[MAX_LINE_LEN]; /* this includes room for 2 * ':' + '\0' */
+    char pwin[MAX_STRING_LEN];
+    char pwv[MAX_STRING_LEN];
+    unsigned int i;
+    apr_size_t len = sizeof(pwin);
+
+    if (apr_password_get("New password: ", pwin, &len) != APR_SUCCESS) {
+        apr_file_printf(errfile, "password too long");
+        cleanup_tempfile_and_exit(5);
+    }
+    len = sizeof(pwin);
+    apr_password_get("Re-type new password: ", pwv, &len);
+    if (strcmp(pwin, pwv) != 0) {
+        apr_file_printf(errfile, "They don't match, sorry.\n");
+        cleanup_tempfile_and_exit(1);
+    }
+    pw = pwin;
+    apr_file_printf(f, "%s:%s:", user, realm);
+
+    /* Do MD5 stuff */
+    apr_snprintf(string, sizeof(string), "%s:%s:%s", user, realm, pw);
+
+    apr_md5_init(&context);
+#if APR_CHARSET_EBCDIC
+    apr_md5_set_xlate(&context, to_ascii);
+#endif
+    apr_md5_update(&context, (unsigned char *) string, strlen(string));
+    apr_md5_final(digest, &context);
+
+    for (i = 0; i < 16; i++)
+        apr_file_printf(f, "%02x", digest[i]);
+
+    apr_file_printf(f, "\n");
+}
+
+static void usage(void)
+{
+    apr_file_printf(errfile, "Usage: htdigest [-c] passwordfile realm username\n");
+    apr_file_printf(errfile, "The -c flag creates a new file.\n");
+    exit(1);
+}
+
+static void interrupted(void)
+{
+    apr_file_printf(errfile, "Interrupted.\n");
+    cleanup_tempfile_and_exit(1);
+}
+
+static void terminate(void)
+{
+    apr_terminate();
+#ifdef NETWARE
+    pressanykey();
+#endif
+}
+
+int main(int argc, const char * const argv[])
+{
+    apr_file_t *f;
+    apr_status_t rv;
+    char tn[] = "htdigest.tmp.XXXXXX";
+    char *dirname;
+    char user[MAX_STRING_LEN];
+    char realm[MAX_STRING_LEN];
+    char line[MAX_LINE_LEN];
+    char l[MAX_LINE_LEN];
+    char w[MAX_STRING_LEN];
+    char x[MAX_STRING_LEN];
+    int found;
+
+    apr_app_initialize(&argc, &argv, NULL);
+    atexit(terminate);
+    apr_pool_create(&cntxt, NULL);
+    apr_file_open_stderr(&errfile, cntxt);
+
+#if APR_CHARSET_EBCDIC
+    rv = apr_xlate_open(&to_ascii, "ISO-8859-1", APR_DEFAULT_CHARSET, cntxt);
+    if (rv) {
+        apr_file_printf(errfile, "apr_xlate_open(): %pm (%d)\n",
+                &rv, rv);
+        exit(1);
+    }
+#endif
+
+    apr_signal(SIGINT, (void (*)(int)) interrupted);
+    if (argc == 5) {
+        if (strcmp(argv[1], "-c"))
+            usage();
+        rv = apr_file_open(&f, argv[2], APR_WRITE | APR_CREATE,
+                           APR_OS_DEFAULT, cntxt);
+        if (rv != APR_SUCCESS) {
+            apr_file_printf(errfile, "Could not open passwd file %s for writing: %pm\n",
+                    argv[2], &rv);
+            exit(1);
+        }
+        apr_cpystrn(user, argv[4], sizeof(user));
+        apr_cpystrn(realm, argv[3], sizeof(realm));
+        apr_file_printf(errfile, "Adding password for %s in realm %s.\n",
+                    user, realm);
+        add_password(user, realm, f);
+        apr_file_close(f);
+        exit(0);
+    }
+    else if (argc != 4)
+        usage();
+
+    if (apr_temp_dir_get((const char**)&dirname, cntxt) != APR_SUCCESS) {
+        apr_file_printf(errfile, "%s: could not determine temp dir\n",
+                        argv[0]);
+        exit(1);
+    }
+    dirname = apr_psprintf(cntxt, "%s/%s", dirname, tn);
+
+    if (apr_file_mktemp(&tfp, dirname, 0, cntxt) != APR_SUCCESS) {
+        apr_file_printf(errfile, "Could not open temp file %s.\n", dirname);
+        exit(1);
+    }
+
+    if (apr_file_open(&f, argv[1], APR_READ, APR_OS_DEFAULT, cntxt) != APR_SUCCESS) {
+        apr_file_printf(errfile,
+                "Could not open passwd file %s for reading.\n", argv[1]);
+        apr_file_printf(errfile, "Use -c option to create new one.\n");
+        cleanup_tempfile_and_exit(1);
+    }
+    apr_cpystrn(user, argv[3], sizeof(user));
+    apr_cpystrn(realm, argv[2], sizeof(realm));
+
+    found = 0;
+    while (!(get_line(line, sizeof(line), f))) {
+        if (found || (line[0] == '#') || (!line[0])) {
+            putline(tfp, line);
+            continue;
+        }
+        strcpy(l, line);
+        if (getword(w, l, ':') || getword(x, l, ':')) {
+            apr_file_printf(errfile, "The following line contains a string longer than the "
+                                     "allowed maximum size (%i): %s\n", MAX_STRING_LEN - 1, line);
+            cleanup_tempfile_and_exit(1);
+        }
+        if (strcmp(user, w) || strcmp(realm, x)) {
+            putline(tfp, line);
+            continue;
+        }
+        else {
+            apr_file_printf(errfile, "Changing password for user %s in realm %s\n",
+                    user, realm);
+            add_password(user, realm, tfp);
+            found = 1;
+        }
+    }
+    if (!found) {
+        apr_file_printf(errfile, "Adding user %s in realm %s\n", user, realm);
+        add_password(user, realm, tfp);
+    }
+    apr_file_close(f);
+
+    /* The temporary file has all the data, just copy it to the new location.
+     */
+    if (apr_file_copy(dirname, argv[1], APR_OS_DEFAULT, cntxt) !=
+                APR_SUCCESS) {
+        apr_file_printf(errfile, "%s: unable to update file %s\n",
+                        argv[0], argv[1]);
+    }
+    apr_file_close(tfp);
+
+    return 0;
+}