more startup sanity checks

Signed-off-by: Michael Krelin <hacker@klever.net>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/iiid.cc b/src/iiid.cc
index c026050..d655fe3 100644
--- a/src/iiid.cc
+++ b/src/iiid.cc
@@ -1,10 +1,12 @@
 #include <syslog.h>
 #include <getopt.h>
+#include <sys/stat.h>
+#include <glob.h>
 #include <iostream>
 #include <cassert>
 #include <stdexcept>
 #include "eyetil.h"
 #include "eyefiworker.h"
 
 #include "config.h"
 
@@ -69,16 +71,25 @@ int main(int argc,char **argv) try {
     const char *ident = rindex(*argv,'/');
     if(ident)
         ++ident;
     else
         ident = *argv;
     openlog(ident,LOG_PERROR|LOG_PID,LOG_DAEMON);
     syslog(LOG_INFO,"Starting iii eye-fi manager");
 
+    struct stat st;
+    if(stat(EYEKIN_CONF_DIR,&st) || !S_ISDIR(st.st_mode))
+        syslog(LOG_WARNING,"configuration directory '%s' does not exist or is not a directory",EYEKIN_CONF_DIR);
+    glob_t g; int rg = glob(EYEKIN_CONF_DIR"/????????????.conf",GLOB_NOSORT,NULL,&g);
+    if(rg || !g.gl_pathc)
+        syslog(LOG_WARNING,"I see nothing resembling a card config in '%s'",EYEKIN_CONF_DIR);
+    else
+        globfree(&g);
+
     eyefiworker().run(port);
 
     closelog();
     return 0;
 } catch(std::exception& e) {
     syslog(LOG_CRIT,"Exiting iii daemon, because of error condition");
     syslog(LOG_CRIT,"Exception: %s",e.what());
     return 1;