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
@@ -1,86 +1,97 @@
 #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"
 
 #include "eyefi.nsmap"
 
 #define PHEADER \
         PACKAGE " Version " VERSION "\n" \
         "Copyright (c) 2009 Klever Group"
 
 int main(int argc,char **argv) try {
 
     int port = 59278;
 
     while(true) {
         static struct option opts[] = {
             { "help", no_argument, 0, 'h' },
             { "usage", no_argument, 0, 'h' },
             { "version", no_argument, 0, 'V' },
             { "license", no_argument, 0, 'L' },
             { "port", required_argument, 0, 'p' },
             { NULL, 0, 0, 0 }
         };
         int c = getopt_long(argc,argv,"hVLp:",opts,NULL);
         if(c==-1) break;
         switch(c) {
             case 'h':
                 std::cerr << PHEADER << std::endl << std::endl
                     << " " << argv[0] << " [options]" << std::endl
                     << std::endl <<
                     " -h, --help,\n"
                     " --usage                    display this text\n"
                     " -V, --version              display version information\n"
                     " -L, --license              show license\n"
                     " -p <port>, --port=<port>   port to listen to\n"
                     "           (you're not likely to ever need it)\n"
                     << std::endl << std::endl;
                 exit(0);
                 break;
             case 'V':
                 std::cerr << VERSION << std::endl;
                 exit(0);
                 break;
             case 'L':
                 extern const char *COPYING;
                 std::cerr << COPYING << std::endl;
                 exit(0);
                 break;
             case 'p':
                 port = 0xffff&strtol(optarg,0,0);
                 if(errno) {
                     std::cerr << "Failed to parse port number" << std::endl;
                     exit(1);
                 }
                 break;
             default:
                 std::cerr << "Huh?" << std::endl;
                 exit(1);
                 break;
         }
     }
 
     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;
 }