Merge remote-tracking branch 'origin/next' into kernel-4.14

[ipfire-2.x.git] / src / misc-progs / syslogdctrl.c

diff --git a/src/misc-progs/syslogdctrl.c b/src/misc-progs/syslogdctrl.c
index 184f450145be349ead03015d2f370d6a6eba08ca..83727162efb74cc9696d61a0234370f4a8fa6877 100644 (file)
--- a/src/misc-progs/syslogdctrl.c
+++ b/src/misc-progs/syslogdctrl.c
@@ -19,24 +19,29 @@
 #include <fcntl.h>
 #include <signal.h>
 #include <errno.h>
+
 #include "libsmooth.h"
 #include "setuid.h"
+#include "netutil.h"
 
 #define ERR_ANY 1
 #define ERR_SETTINGS 2    /* error in settings file */
 #define ERR_ETC 3         /* error with /etc permissions */
-#define ERR_CONFIG 4      /* error updated sshd_config */
+#define ERR_CONFIG 4      /* error updating syslogd config */
 #define ERR_SYSLOG 5      /* error restarting syslogd */
 
 int main(void)
 {
-   char buffer[STRING_SIZE], hostname[STRING_SIZE], varmessages[STRING_SIZE];
+   char buffer[STRING_SIZE], command[STRING_SIZE], hostname[STRING_SIZE], protocol[STRING_SIZE];
+   char varmessages[STRING_SIZE], asynclog[STRING_SIZE];
    int config_fd,rc,fd,pid;
    struct stat st;
    struct keyvalue *kv = NULL;
    memset(buffer, 0, STRING_SIZE);
    memset(hostname, 0, STRING_SIZE);
+   memset(protocol, 0, STRING_SIZE);
    memset(varmessages, 0, STRING_SIZE);
+   memset(asynclog, 0, STRING_SIZE);
 
    if (!(initsetuid()))
       exit(1);
@@ -62,11 +67,11 @@ int main(void)
       fprintf(stderr, "Cannot read REMOTELOG_ADDR\n");
       exit(ERR_SETTINGS);
    }
-   
-   if (!findkey(kv, "VARMESSAGES", varmessages))
+
+   if (!findkey(kv, "REMOTELOG_PROTOCOL", protocol))
    {
-      fprintf(stderr, "Cannot read VARMESSAGES\n");
-      exit(ERR_SETTINGS);
+      /* fall back to UDP if no protocol was given */
+      protocol = "udp";
    }
 
    if (strspn(hostname, VALID_FQDN) != strlen(hostname))
@@ -108,13 +113,26 @@ int main(void)
    }
 
    if (!strcmp(buffer,"on"))
-      snprintf(buffer, STRING_SIZE - 1, "/bin/sed -e 's/^#\\?\\(\\*\\.\\*[[:blank:]]\\+@\\).\\+$/\\1%s/' /etc/syslog.conf >&%d", hostname, config_fd );
+   {
+      /* check which transmission protocol was given */
+      if (strcmp(protocol, "tcp") == 0)
+      {
+         /* write line for TCP */
+         snprintf(buffer, STRING_SIZE - 1, "/bin/sed -e 's/^#\\?\\(\\*\\.\\*[[:blank:]]\\+@@\\).\\+$/\\1%s/' /etc/syslog.conf >&%d", hostname, config_fd );
+      }
+      else
+      {
+         /* write line for UDP */
+         snprintf(buffer, STRING_SIZE - 1, "/bin/sed -e 's/^#\\?\\(\\*\\.\\*[[:blank:]]\\+@\\).\\+$/\\1%s/' /etc/syslog.conf >&%d", hostname, config_fd );
+      }
+   }
    else
+   {
+      /* if remote syslog has been disabled */
       snprintf(buffer, STRING_SIZE - 1, "/bin/sed -e 's/^#\\?\\(\\*\\.\\*[[:blank:]]\\+@.\\+\\)$/#\\1/' /etc/syslog.conf >&%d", config_fd );
-      
-      snprintf(buffer, STRING_SIZE - 1, "/bin/sed 's#.*/var/log/messages.*#%s     /var/log/messages#' /etc/syslog.conf >&%d", varmessages, config_fd );
+   }
 
-   /* if the return code isn't 0 failsafe */
+     /* if the return code isn't 0 failsafe */
    if ((rc = unpriv_system(buffer,99,99)) != 0)
    {
       fprintf(stderr, "sed returned bad exit code: %d\n", rc);
@@ -123,6 +141,7 @@ int main(void)
       exit(ERR_CONFIG);
    }
    close(config_fd);
+   
    if (rename("/etc/syslog.conf.new", "/etc/syslog.conf") == -1)
    {
       perror("Unable to replace old config file");