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-rw-r--r--client/mysqlmanager-pwgen.c161
1 files changed, 161 insertions, 0 deletions
diff --git a/client/mysqlmanager-pwgen.c b/client/mysqlmanager-pwgen.c
new file mode 100644
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+++ b/client/mysqlmanager-pwgen.c
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+/* Copyright (C) 2000 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#define MANAGER_PWGEN_VERSION "1.4"
+
+#include <my_global.h>
+#include <m_ctype.h>
+#include <my_sys.h>
+#include <m_string.h>
+#include <mysql_version.h>
+#include <errno.h>
+#include <my_getopt.h>
+#include <md5.h>
+
+const char* outfile=0,*user="root";
+
+static struct my_option my_long_options[] =
+{
+ {"output-file", 'o', "Write the output to the file with the given name",
+ (gptr*) &outfile, (gptr*) &outfile, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0,
+ 0, 0},
+ {"user", 'u', "Put given user in the password file", (gptr*) &user,
+ (gptr*) &user, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
+ {"help", '?', "Display this message and exit", 0, 0, 0, GET_NO_ARG, NO_ARG,
+ 0, 0, 0, 0, 0, 0},
+ {"version", 'V', "Display version info", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0,
+ 0, 0, 0, 0},
+ {0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
+};
+
+static void die(const char* fmt, ...)
+{
+ va_list args;
+ DBUG_ENTER("die");
+ va_start(args, fmt);
+ if (fmt)
+ {
+ fprintf(stderr, "%s: ", my_progname);
+ vfprintf(stderr, fmt, args);
+ fprintf(stderr, "\n");
+ fflush(stderr);
+ }
+ va_end(args);
+ exit(1);
+}
+
+static void print_version(void)
+{
+ printf("%s Ver %s Distrib %s, for %s (%s)\n",my_progname,
+ MANAGER_PWGEN_VERSION,
+ MYSQL_SERVER_VERSION,SYSTEM_TYPE,MACHINE_TYPE);
+}
+
+void usage()
+{
+ print_version();
+ printf("MySQL AB, by Sasha\n");
+ printf("This software comes with ABSOLUTELY NO WARRANTY\n\n");
+ printf("Generates a password file to be used by mysqltest.\n\n");
+ printf("Usage: %s [OPTIONS]\n", my_progname);
+ my_print_help(my_long_options);
+ my_print_variables(my_long_options);
+}
+
+static my_bool
+get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
+ char *argument __attribute__((unused)))
+{
+ switch (optid) {
+ case '?':
+ usage();
+ exit(0);
+ case 'V':
+ print_version();
+ exit(0);
+ }
+ return 0;
+}
+
+
+int parse_args(int argc, char** argv)
+{
+ int ho_error;
+
+ if ((ho_error=handle_options(&argc, &argv, my_long_options, get_one_option)))
+ exit(ho_error);
+
+ return 0;
+}
+
+void get_pass(char* pw, int len)
+{
+ FILE* fp;
+ char* pw_end=pw+len;
+ /*
+ /dev/random is more secure than rand() because the seed is easy to
+ predict, so we resort to rand() only if /dev/random is not available
+ */
+ if ((fp=fopen("/dev/random","r")))
+ {
+ fread(pw,len,1,fp);
+ fclose(fp);
+ while (pw<pw_end)
+ {
+ char tmp= 'a'+((uint)*pw % 26);
+ *pw++= tmp;
+ }
+ }
+ else
+ {
+ srand(time(NULL));
+ while (pw<pw_end)
+ {
+ char tmp= 'a'+((uint)*pw % 26);
+ *pw++= tmp;
+ }
+ }
+ *pw_end=0;
+}
+
+
+int main(int argc, char** argv)
+{
+ FILE* fp;
+ my_MD5_CTX context;
+ uchar digest[16];
+ char pw[17];
+ uint i;
+
+ MY_INIT(argv[0]);
+ parse_args(argc,argv);
+ if (!outfile)
+ die("Missing --output-file");
+
+ if (!(fp=fopen(outfile,"w")))
+ die("Could not open '%s'(errno=%d)",outfile,errno);
+ get_pass(pw,sizeof(pw)-1);
+ my_MD5Init(&context);
+ my_MD5Update(&context,(uchar*) pw,sizeof(pw)-1);
+ my_MD5Final(digest,&context);
+ fprintf(fp,"%s:",user);
+ for (i=0;i<sizeof(digest);i++)
+ fprintf(fp,"%02x",digest[i]);
+ fprintf(fp,"\n");
+ fclose(fp);
+ printf("%s\n",pw);
+ return 0;
+}