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/*
* LIB/CONFIG.C - Scan configuration file
*
*/
#include "defs.h"
Prototype void LoadDiabloConfig(void);
Prototype int DiabloExpire;
Prototype int DiabloHashMethod;
Prototype int DiabloCompatHashMethod;
Prototype int DiabloHashSize;
Prototype char *DiabloActive;
Prototype int DiabloRememberDays;
Prototype int MaxPerRemote;
Prototype int DiabloXRefSlave;
Prototype int DiabloReaderForks;
Prototype int DiabloReaderThreads;
int SetHashMethod(const char *opt, int *pmethod);
int DiabloExpire;
int DiabloHashMethod;
int DiabloCompatHashMethod = -1;
int DiabloHashSize;
int DiabloXRefSlave;
int DiabloReaderForks = 10;
int DiabloReaderThreads = 20;
char *DiabloActive;
int DiabloRememberDays = REMEMBERDAYS;
int MaxPerRemote;
void
LoadDiabloConfig(void)
{
FILE *fi;
char buf[256];
int versOk = 0;
int exitMe = 0;
if ((fi = xfopen("r", "%s/diablo.config", NewsCfg)) != NULL) {
if (DiabloActive) {
free(DiabloActive);
DiabloActive = NULL;
}
while (fgets(buf, sizeof(buf), fi) != NULL) {
char *cmd;
char *opt = NULL;
int cmdErr = 1;
if (buf[0] == '\n' || buf[0] == '#')
continue;
if ((cmd = strtok(buf, " \t\n")) != NULL &&
(opt = strtok(NULL, " \t\n")) != NULL
) {
int optErr = 1;
cmdErr = 0;
if (strcasecmp(cmd, "version") == 0) {
optErr = 0;
if (strtod(opt, NULL) > VERS)
versOk = 0;
else
versOk = 1;
} else if (versOk == 0) {
optErr = 0;
} else if (strcasecmp(cmd, "expire") == 0) {
if (opt) {
if (strcasecmp(opt, "feeder") == 0) {
DiabloExpire = EXPIRE_FEEDER;
optErr = 0;
} else if (strcasecmp(opt, "reader") == 0) {
DiabloExpire = EXPIRE_READER;
optErr = 0;
}
}
} else if (strcasecmp(cmd, "hash") == 0) {
if (opt) {
char *p2;
if ((p2 = strchr(opt, '/')) != NULL)
*p2++ = 0;
optErr = SetHashMethod(opt, &DiabloHashMethod);
if (p2)
optErr = SetHashMethod(p2, &DiabloCompatHashMethod);
}
} else if (strcasecmp(cmd, "remember") == 0) {
if (opt) {
DiabloRememberDays = strtol(opt, NULL, 0);
optErr = 0;
}
} else if (strcasecmp(cmd, "maxconnect") == 0) {
if (opt) {
MaxPerRemote = strtol(opt, NULL, 0);
optErr = 0;
}
} else if (strcasecmp(cmd, "hsize") == 0) {
if (opt) {
int n = strtol(opt, &opt, 0);
switch(*opt) {
case 'm':
case 'M':
n *= 1024;
/* fall through */
case 'k':
case 'K':
n *= 1024;
optErr = 0;
break;
default:
break;
}
if (n < 256 * 1024 || n > 128 * 1024 * 1024) {
optErr = 1;
syslog(LOG_CRIT, "Illegal Hash size: %d", n);
}
if ((n ^ (n - 1)) != (n << 1) - 1) {
syslog(LOG_CRIT, "Hash size not a power of 2: %d", n);
optErr = 1;
}
if (optErr == 0)
DiabloHashSize = n;
}
} else if (strcasecmp(cmd, "active") == 0) {
if (opt) {
if (strcasecmp(opt, "on") == 0) {
optErr = 0;
DiabloActive = malloc(strlen(NewsHome) + 32);
sprintf(DiabloActive, "%s/dactive.kp", NewsHome);
} else if (strcasecmp(opt, "off") == 0) {
optErr = 0;
DiabloActive = NULL;
} else if (opt[0] == '/') {
optErr = 0;
DiabloActive = strdup(opt);
}
}
} else if (strcasecmp(cmd, "slave") == 0) {
if (opt) {
if (strcasecmp(opt, "on") == 0) {
optErr = 0;
DiabloXRefSlave = 1;
} else if (strcasecmp(opt, "off") == 0) {
optErr = 0;
DiabloXRefSlave = 0;
}
}
} else if (strcasecmp(cmd, "readerforks") == 0) {
if (opt) {
DiabloReaderForks = strtol(opt, NULL, 0);
optErr = 0;
}
} else if (strcasecmp(cmd, "readerthreads") == 0) {
if (opt) {
DiabloReaderThreads = strtol(opt, NULL, 0);
optErr = 0;
}
} else {
cmdErr = 1;
optErr = 0;
}
if (optErr) {
exitMe = 1;
syslog(LOG_CRIT, "Unknown diablo.config command: %s %s",
cmd, ((opt) ? opt : "")
);
}
}
if (cmdErr && cmd) {
exitMe = 1;
syslog(LOG_CRIT, "Unknown diablo.config command: %s %s",
cmd, ((opt) ? opt : "")
);
}
}
fclose(fi);
} else {
syslog(LOG_CRIT, "Unable to open diablo.config");
exitMe = 1;
}
if (exitMe) {
fprintf(stderr, "critical error parsing diablo.config, exiting. See syslog\n");
exit(1);
}
}
int
SetHashMethod(const char *opt, int *pmethod)
{
int optErr = 0;
if (strcasecmp(opt, "prime") == 0) {
*pmethod = HASH_PRIME;
} else if (strcasecmp(opt, "crc") == 0) {
*pmethod = HASH_CRC;
} else if (strcasecmp(opt, "ocrc") == 0) {
*pmethod = HASH_OCRC;
} else {
optErr = 1;
}
return(optErr);
}
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