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#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
unsigned short port = 0;
char *tmpl_path = NULL;
char *log_path = NULL;
monitor_config_t monitor_config = {
.interval = DEFAULT_INTERVAL,
.samples = DEFAULT_SAMPLES
};
alert_config_t alert_config = { 0 };
int
config_load(const char *conf_path)
{
FILE *cfgf = fopen(conf_path, "r");
if (!cfgf) {
fprintf(stderr, "Error opening config: %s\n", strerror(errno));
return -1;
}
fseek(cfgf , 0, SEEK_END);
size_t cfgsize = ftell(cfgf);
rewind(cfgf);
monitor_config.target_config = malloc(cfgsize);
alert_config.alert_config = malloc(cfgsize);
char *target_pos = monitor_config.target_config;
char *alert_pos = alert_config.alert_config;
printf("config:\n");
char line[256];
while (fgets(line, sizeof(line), cfgf)) {
if (*line == '#' || *line == '\n')
continue;
char *separator = strchr(line, '=');
if (!separator) {
fprintf(stderr, "[config] malformed line: %s\n", line);
continue;
}
*separator = '\0';
char *value = separator + 1;
if (strcmp(line, "port") == 0) {
port = atoi(value);
printf("\tport: %d\n", port);
if (port == 0) {
fprintf(stderr, "[config] invalid port: %s\n", line);
return -1;
}
} else if (strcmp(line, "interval") == 0) {
monitor_config.interval = atoi(value);
printf("\tinterval: %ld\n", monitor_config.interval);
if (monitor_config.interval == 0) {
fprintf(stderr, "[config] invalid interval: %s\n", line);
return -1;
}
} else if (strcmp(line, "samples") == 0) {
monitor_config.samples = atoi(value);
printf("\tsamples: %d\n", monitor_config.samples);
if (monitor_config.samples == 0) {
fprintf(stderr, "[config] invalid samples: %s\n", line);
return -1;
}
} else if (strcmp(line, "template") == 0) {
value[strlen(value) - 1] = '\0';
tmpl_path = strdup(value);
printf("\ttemplate: %s\n", tmpl_path);
} else if (strcmp(line, "log") == 0) {
value[strlen(value) - 1] = '\0';
log_path = strdup(value);
printf("\tlog path: %s\n", log_path);
} else if (strcmp(line, "mailserver") == 0) {
value[strlen(value) - 1] = '\0';
alert_config.mail_server = strdup(value);
printf("\tmailserver: %s\n", alert_config.mail_server);
} else if (strcmp(line, "mailfrom") == 0) {
value[strlen(value) - 1] = '\0';
alert_config.from = strdup(value);
printf("\tfrom: %s\n", log_path);
} else if (strcmp(line, "mailuser") == 0) {
value[strlen(value) - 1] = '\0';
alert_config.user = strdup(value);
} else if (strcmp(line, "mailpassword") == 0) {
value[strlen(value) - 1] = '\0';
alert_config.password = strdup(value);
}
else if (strcmp(line, "target") == 0) {
target_pos += snprintf(target_pos,
cfgsize - (target_pos - monitor_config.target_config),
"%s", value);
} else if (strcmp(line, "alert") == 0) {
alert_pos += snprintf(alert_pos,
cfgsize - (alert_pos - alert_config.alert_config),
"%s", value);
} else {
fprintf(stderr, "[config] unknown key: %s\n", line);
continue;
}
}
fclose(cfgf);
if (port == 0) {
fprintf(stderr, "[config] W: no port, using default\n");
port = DEFAULT_PORT;
}
if (!tmpl_path) {
fprintf(stderr, "[config] W: no template file given, using default\n");
tmpl_path = DEFAULT_TMPL_PATH;
}
if (!log_path) {
fprintf(stderr, "[config] W: no template event log path given, "
"using default\n");
log_path = DEFAULT_LOG_PATH;
}
if (!alert_config.from || !alert_config.mail_server)
fprintf(stderr, "[config] W: no mail\n");
return 0;
}
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