cmdparse: refactor CPS_ParseNTPSourceAdd()
This commit is contained in:
Miroslav Lichvar
parent
57fc2ff1be
commit
d78e8f096c
1 changed files with 75 additions and 153 deletions
228
cmdparse.c
228
cmdparse.c
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@ -43,19 +43,14 @@ CPS_Status
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CPS_ParseNTPSourceAdd(char *line, CPS_NTP_Source *src)
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{
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char *hostname, *cmd;
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int n, done;
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CPS_Status result;
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int n;
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src->port = SRC_DEFAULT_PORT;
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src->params.minpoll = SRC_DEFAULT_MINPOLL;
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src->params.maxpoll = SRC_DEFAULT_MAXPOLL;
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src->params.presend_minpoll = SRC_DEFAULT_PRESEND_MINPOLL;
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src->params.authkey = INACTIVE_AUTHKEY;
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src->params.max_delay = SRC_DEFAULT_MAXDELAY;
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src->params.max_delay_ratio = SRC_DEFAULT_MAXDELAYRATIO;
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src->params.max_delay_dev_ratio = SRC_DEFAULT_MAXDELAYDEVRATIO;
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src->params.online = 1;
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src->params.auto_offline = 0;
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src->params.presend_minpoll = SRC_DEFAULT_PRESEND_MINPOLL;
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src->params.iburst = 0;
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src->params.min_stratum = SRC_DEFAULT_MINSTRATUM;
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src->params.poll_target = SRC_DEFAULT_POLLTARGET;
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@ -64,161 +59,88 @@ CPS_ParseNTPSourceAdd(char *line, CPS_NTP_Source *src)
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src->params.min_samples = SRC_DEFAULT_MINSAMPLES;
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src->params.max_samples = SRC_DEFAULT_MAXSAMPLES;
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src->params.sel_options = 0;
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src->params.authkey = INACTIVE_AUTHKEY;
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src->params.max_delay = SRC_DEFAULT_MAXDELAY;
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src->params.max_delay_ratio = SRC_DEFAULT_MAXDELAYRATIO;
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src->params.max_delay_dev_ratio = SRC_DEFAULT_MAXDELAYDEVRATIO;
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result = CPS_Success;
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hostname = line;
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line = CPS_SplitWord(line);
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if (!*hostname) {
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result = CPS_BadHost;
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} else {
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src->name = hostname;
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if (!*hostname)
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return CPS_BadHost;
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/* Parse subfields */
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done = 0;
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do {
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cmd = line;
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line = CPS_SplitWord(line);
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src->name = hostname;
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if (*cmd) {
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if (!strcasecmp(cmd, "port")) {
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if (sscanf(line, "%hu%n", &src->port, &n) != 1) {
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result = CPS_BadPort;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "minpoll")) {
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if (sscanf(line, "%d%n", &src->params.minpoll, &n) != 1) {
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result = CPS_BadMinpoll;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "maxpoll")) {
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if (sscanf(line, "%d%n", &src->params.maxpoll, &n) != 1) {
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result = CPS_BadMaxpoll;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "presend")) {
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if (sscanf(line, "%d%n", &src->params.presend_minpoll, &n) != 1) {
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result = CPS_BadPresend;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "maxdelaydevratio")) {
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if (sscanf(line, "%lf%n", &src->params.max_delay_dev_ratio, &n) != 1) {
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result = CPS_BadMaxdelaydevratio;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "maxdelayratio")) {
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if (sscanf(line, "%lf%n", &src->params.max_delay_ratio, &n) != 1) {
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result = CPS_BadMaxdelayratio;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "maxdelay")) {
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if (sscanf(line, "%lf%n", &src->params.max_delay, &n) != 1) {
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result = CPS_BadMaxdelay;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "key")) {
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if (sscanf(line, "%"SCNu32"%n", &src->params.authkey, &n) != 1 ||
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src->params.authkey == INACTIVE_AUTHKEY) {
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result = CPS_BadKey;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "offline")) {
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src->params.online = 0;
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/* Parse options */
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for (; *line; line += n) {
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cmd = line;
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line = CPS_SplitWord(line);
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n = 0;
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} else if (!strcasecmp(cmd, "auto_offline")) {
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src->params.auto_offline = 1;
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} else if (!strcasecmp(cmd, "iburst")) {
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src->params.iburst = 1;
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} else if (!strcasecmp(cmd, "minstratum")) {
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if (sscanf(line, "%d%n", &src->params.min_stratum, &n) != 1) {
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result = CPS_BadMinstratum;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "polltarget")) {
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if (sscanf(line, "%d%n", &src->params.poll_target, &n) != 1) {
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result = CPS_BadPolltarget;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "noselect")) {
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src->params.sel_options |= SRC_SELECT_NOSELECT;
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} else if (!strcasecmp(cmd, "prefer")) {
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src->params.sel_options |= SRC_SELECT_PREFER;
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} else if (!strcasecmp(cmd, "trust")) {
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src->params.sel_options |= SRC_SELECT_TRUST;
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} else if (!strcasecmp(cmd, "require")) {
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src->params.sel_options |= SRC_SELECT_REQUIRE;
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} else if (!strcasecmp(cmd, "version")) {
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if (sscanf(line, "%d%n", &src->params.version, &n) != 1) {
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result = CPS_BadVersion;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "maxsources")) {
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if (sscanf(line, "%d%n", &src->params.max_sources, &n) != 1) {
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result = CPS_BadMaxsources;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "minsamples")) {
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if (sscanf(line, "%d%n", &src->params.min_samples, &n) != 1) {
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result = CPS_BadMinsamples;
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done = 1;
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} else {
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line += n;
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}
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} else if (!strcasecmp(cmd, "maxsamples")) {
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if (sscanf(line, "%d%n", &src->params.max_samples, &n) != 1) {
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result = CPS_BadMaxsamples;
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done = 1;
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} else {
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line += n;
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}
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} else {
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result = CPS_BadOption;
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done = 1;
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}
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} else {
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done = 1;
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}
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} while (!done);
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if (!strcasecmp(cmd, "auto_offline")) {
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src->params.auto_offline = 1;
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} else if (!strcasecmp(cmd, "iburst")) {
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src->params.iburst = 1;
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} else if (!strcasecmp(cmd, "offline")) {
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src->params.online = 0;
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} else if (!strcasecmp(cmd, "noselect")) {
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src->params.sel_options |= SRC_SELECT_NOSELECT;
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} else if (!strcasecmp(cmd, "prefer")) {
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src->params.sel_options |= SRC_SELECT_PREFER;
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} else if (!strcasecmp(cmd, "require")) {
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src->params.sel_options |= SRC_SELECT_REQUIRE;
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} else if (!strcasecmp(cmd, "trust")) {
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src->params.sel_options |= SRC_SELECT_TRUST;
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} else if (!strcasecmp(cmd, "key")) {
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if (sscanf(line, "%"SCNu32"%n", &src->params.authkey, &n) != 1 ||
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src->params.authkey == INACTIVE_AUTHKEY)
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return CPS_BadKey;
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} else if (!strcasecmp(cmd, "maxdelay")) {
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if (sscanf(line, "%lf%n", &src->params.max_delay, &n) != 1)
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return CPS_BadMaxdelay;
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} else if (!strcasecmp(cmd, "maxdelayratio")) {
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if (sscanf(line, "%lf%n", &src->params.max_delay_ratio, &n) != 1)
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return CPS_BadMaxdelayratio;
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} else if (!strcasecmp(cmd, "maxdelaydevratio")) {
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if (sscanf(line, "%lf%n", &src->params.max_delay_dev_ratio, &n) != 1)
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return CPS_BadMaxdelaydevratio;
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} else if (!strcasecmp(cmd, "maxpoll")) {
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if (sscanf(line, "%d%n", &src->params.maxpoll, &n) != 1)
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return CPS_BadMaxpoll;
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} else if (!strcasecmp(cmd, "maxsamples")) {
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if (sscanf(line, "%d%n", &src->params.max_samples, &n) != 1)
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return CPS_BadMaxsamples;
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} else if (!strcasecmp(cmd, "maxsources")) {
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if (sscanf(line, "%d%n", &src->params.max_sources, &n) != 1)
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return CPS_BadMaxsources;
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} else if (!strcasecmp(cmd, "minpoll")) {
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if (sscanf(line, "%d%n", &src->params.minpoll, &n) != 1)
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return CPS_BadMinpoll;
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} else if (!strcasecmp(cmd, "minsamples")) {
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if (sscanf(line, "%d%n", &src->params.min_samples, &n) != 1)
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return CPS_BadMinsamples;
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} else if (!strcasecmp(cmd, "minstratum")) {
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if (sscanf(line, "%d%n", &src->params.min_stratum, &n) != 1)
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return CPS_BadMinstratum;
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} else if (!strcasecmp(cmd, "port")) {
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if (sscanf(line, "%hu%n", &src->port, &n) != 1)
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return CPS_BadPort;
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} else if (!strcasecmp(cmd, "polltarget")) {
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if (sscanf(line, "%d%n", &src->params.poll_target, &n) != 1)
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return CPS_BadPolltarget;
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} else if (!strcasecmp(cmd, "presend")) {
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if (sscanf(line, "%d%n", &src->params.presend_minpoll, &n) != 1)
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return CPS_BadPresend;
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} else if (!strcasecmp(cmd, "version")) {
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if (sscanf(line, "%d%n", &src->params.version, &n) != 1)
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return CPS_BadVersion;
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} else {
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return CPS_BadOption;
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}
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}
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return result;
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return CPS_Success;
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}
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/* ================================================== */
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