opie/libopie/generator.c

147   char cmd[1+1+1+1+4+1+OPIE_SEED_MAX+1+4+1+4+1+4+1+4+1];
208     if ((i = read(s, cmd, sizeof(cmd)-1)) < 0) {
216     cmd[i] = 0;
217     if ((cmd[0] != 'C') || (cmd[1] != '+') || (cmd[2] != ' ')) {
219       syslog(LOG_DEBUG, "opiegenerator: got invalid/failing C+ response: %s\n", cmd);
226     window = strtoul(&cmd[3], &c, 10);
229       syslog(LOG_DEBUG, "opiegenerator: got bogus option response: %s\n", cmd);
256       if (snprintf(cmd, sizeof(cmd), "S= %d %d %s %s\n", algorithm, sequence,
257           seed, buf) >= sizeof(cmd)) {
265     if (write(s, cmd, i = strlen(cmd)) != i) {
272     if ((i = read(s, cmd, sizeof(cmd))) < 0) {
279     cmd[i] = 0;
281     if ((cmd[0] != 'S') || (cmd[1] != '+') || (cmd[2] != ' ') || (strtoul(&cmd[3], &c, 10) != algorithm) || (strtoul(c + 1, &c, 10) != sequence) || strncmp(++c, seed, i) || (*(c + i) != '\n')) {
283       syslog(LOG_DEBUG, "opiegenerator: got invalid/failing S+ response: %s\n", cmd);
296     if ((snprintf(cmd, sizeof(cmd), "s= %d %d %s\n", algorithm, sequence,
297         seed) >= sizeof(cmd))) {
304     if (write(s, cmd, i = strlen(cmd)) != i) {
311     if ((i = read(s, cmd, sizeof(cmd))) < 0) {
321     if ((cmd[0] != 's') || (cmd[2] != ' ') || (strtoul(&cmd[3], &c, 10) != algorithm) || (strtoul(c + 1, &c, 10) != sequence) || strncmp(++c, seed, i)) {
326 	cmd[3] = 0;
328       syslog(LOG_DEBUG, "opiegenerator: got bogus/invalid s response: %s\n", cmd);
335     if (cmd[1] == '-') {
339 	syslog(LOG_DEBUG, "opiegenerator: got invalid s- response: %s\n", cmd);
345     if (cmd[1] != '+') {
348       syslog(LOG_DEBUG, "opiegenerator: got invalid s response: %s\n", cmd);
359 	syslog(LOG_DEBUG, "opiegenerator: got invalid s+ response: %s\n", cmd);