#include <errno.h>
#include <limits.h>
#include <sys/types.h>
+#include <sys/file.h>
#include "citadel.h"
#include "server.h"
#include "control.h"
extern struct config config;
FILE *control_fp = NULL;
+
+
+/*
+ * lock_control - acquire a lock on the control record file.
+ * This keeps multiple citservers from running concurrently.
+ */
+void lock_control(void)
+{
+ if (flock(fileno(control_fp), (LOCK_EX | LOCK_NB))) {
+ lprintf(CTDL_EMERG, "citserver: unable to lock %s.\n", file_citadel_control);
+ lprintf(CTDL_EMERG, "Is another citserver already running?\n");
+ exit(CTDLEXIT_CONTROL);
+ }
+}
+
+
/*
* get_control - read the control record into memory.
*/
void get_control(void)
{
+ static int already_have_control = 0;
+
+ /*
+ * If we already have the control record in memory, there's no point
+ * in reading it from disk again.
+ */
+ if (already_have_control) return;
/* Zero it out. If the control record on disk is missing or short,
* the system functions with all control record fields initialized
if (control_fp == NULL) {
control_fp = fopen(file_citadel_control, "rb+");
if (control_fp != NULL) {
+ lock_control();
fchown(fileno(control_fp), config.c_ctdluid, -1);
}
}
if (control_fp == NULL) {
control_fp = fopen(file_citadel_control, "wb+");
if (control_fp != NULL) {
+ lock_control();
fchown(fileno(control_fp), config.c_ctdluid, -1);
memset(&CitControl, 0, sizeof(struct CitControl));
fwrite(&CitControl, sizeof(struct CitControl),
rewind(control_fp);
fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
+ already_have_control = 1;
}
/*
}
}
+/**
+ * release_control - close our fd on exit
+ */
+void release_control(void)
+{
+ if (control_fp != NULL)
+ fclose(control_fp);
+ control_fp = NULL;
+}
/*
* get_new_message_number() - Obtain a new, unique ID to be used for a message.
cprintf("%s\n", config.c_default_cal_zone);
cprintf("%d\n", config.c_pftcpdict_port);
cprintf("%d\n", config.c_managesieve_port);
+ cprintf("%d\n", config.c_auth_mode);
+ cprintf("%s\n", config.c_funambol_host);
+ cprintf("%d\n", config.c_funambol_port);
+ cprintf("%s\n", config.c_funambol_source);
+ cprintf("%s\n", config.c_funambol_auth);
+ cprintf("%d\n", config.c_rbl_at_greeting);
cprintf("000\n");
}
case 51:
config.c_managesieve_port = atoi(buf);
break;
+ case 52:
+ config.c_auth_mode = atoi(buf);
+ case 53:
+ safestrncpy(config.c_funambol_host, buf,
+ sizeof config.c_funambol_host);
+ break;
+ case 54:
+ config.c_funambol_port = atoi(buf);
+ break;
+ case 55:
+ safestrncpy(config.c_funambol_source,
+ buf,
+ sizeof config.c_funambol_source);
+ break;
+ case 56:
+ safestrncpy(config.c_funambol_auth,
+ buf,
+ sizeof config.c_funambol_auth);
+ break;
+ case 57:
+ config.c_rbl_at_greeting = atoi(buf);
+ break;
}
++a;
}