opie/libopie/generator.c

148   char cmd[1+1+1+1+4+1+OPIE_SEED_MAX+1+4+1+4+1+4+1+4+1];
209     if ((i = read(s, cmd, sizeof(cmd)-1)) < 0) {
217     cmd[i] = 0;
218     if ((cmd[0] != 'C') || (cmd[1] != '+') || (cmd[2] != ' ')) {
220       syslog(LOG_DEBUG, "opiegenerator: got invalid/failing C+ response: %s\n", cmd);
227     window = strtoul(&cmd[3], &c, 10);
230       syslog(LOG_DEBUG, "opiegenerator: got bogus option response: %s\n", cmd);
257       if (snprintf(cmd, sizeof(cmd), "S= %d %d %s %s\n", algorithm, sequence,
258           seed, buf) >= sizeof(cmd)) {
266     if (write(s, cmd, i = strlen(cmd)) != i) {
273     if ((i = read(s, cmd, sizeof(cmd))) < 0) {
280     cmd[i] = 0;
282     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')) {
284       syslog(LOG_DEBUG, "opiegenerator: got invalid/failing S+ response: %s\n", cmd);
297     if ((snprintf(cmd, sizeof(cmd), "s= %d %d %s\n", algorithm, sequence,
298         seed) >= sizeof(cmd))) {
305     if (write(s, cmd, i = strlen(cmd)) != i) {
312     if ((i = read(s, cmd, sizeof(cmd))) < 0) {
322     if ((cmd[0] != 's') || (cmd[2] != ' ') || (strtoul(&cmd[3], &c, 10) != algorithm) || (strtoul(c + 1, &c, 10) != sequence) || strncmp(++c, seed, i)) {
327 	cmd[3] = 0;
329       syslog(LOG_DEBUG, "opiegenerator: got bogus/invalid s response: %s\n", cmd);
336     if (cmd[1] == '-') {
340 	syslog(LOG_DEBUG, "opiegenerator: got invalid s- response: %s\n", cmd);
346     if (cmd[1] != '+') {
349       syslog(LOG_DEBUG, "opiegenerator: got invalid s response: %s\n", cmd);
360 	syslog(LOG_DEBUG, "opiegenerator: got invalid s+ response: %s\n", cmd);