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111 lines
3.0 KiB
111 lines
3.0 KiB
/*
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* Remote Laboratory FPGA Server
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* (c) 2009 Timothy Pearson
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* Raptor Engineering
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* http://www.raptorengineeringinc.com
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <time.h>
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char *MakeMD5String(inString);
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// Username information
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struct passwd *pw;
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uid_t uid;
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// Configuration stuff
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static const char filename[] = "/etc/remotefpga_users.conf";
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char linedata [256];
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// Valid usernames
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char mdfives [10000][32];
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int validateString(char *inputString) {
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int i;
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char *current_file_username;
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char *current_file_md5_hash;
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time_t mytime;
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FILE *file = fopen(filename, "r");
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if (file != NULL) {
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char line [256]; // or other suitable maximum line size
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i=0;
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// read a line
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while (fgets(line, sizeof line, file) != NULL) {
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// Parse the line and update global variables (current line in variable "line")
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switch (i) {
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case 0: line[strlen(line)-1]=0;
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current_file_username = strdup(line);
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i=1;
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break;
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case 1: line[strlen(line)-1]=0;
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printf("Username: %s\n\rPassword: %s\n\r", current_file_username, line);
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current_file_username = strcat(current_file_username, line);
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//mytime = time();
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//printf ("%s\n\r", mytime.minute());
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current_file_username = strcat(current_file_username, line);
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printf("Authstring: %s\n\r", current_file_username);
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printf("MD5: %s\n\r", MakeMD5String(current_file_username));
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i=0;
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break;
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}
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}
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fclose(file);
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}
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else
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{
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printf("[WARN] Unable to open configuration file %s\n\r", filename);
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return 1;
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}
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return 0;
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}
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int main(int argc, char *argv[])
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{
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if (argc < 2) {
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printf("[FAIL] Invalid argument(s)\n\rOptions:\n\r update <username> <password>\n\r server\n\r");
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}
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else {
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if ((strcmp(argv[1], "update") == 0) && (argc > 1)) {
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uid = geteuid();
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pw = getpwuid(uid);
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if (pw) {
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printf("[INFO] Updating credentials for user %s\n\r", pw->pw_name);
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}
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else {
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printf("[FAIL] Cannot find name for user ID %lu\n\r", (unsigned long int) uid);
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return 1;
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}
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}
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else if (strcmp(argv[1], "server") == 0) {
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printf("[INFO] Starting server...\n\r");
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validateString("1234");
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}
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else {
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printf("[FAIL] Invalid argument(s)\n\rOptions:\n\r update <username> <password>\n\r server\n\r");
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}
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}
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return EXIT_SUCCESS;
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}
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