only for backup, still in coding state - no compile!!!

[lcr.git] / h323conf.c

diff --git a/h323conf.c b/h323conf.c
new file mode 100644 (file)
index 0000000..e0589e1
--- /dev/null
+++ b/h323conf.c
@@ -0,0 +1,137 @@
+/*****************************************************************************\
+**                                                                           **
+** PBX4Linux                                                                 **
+**                                                                           **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg                                              **
+**                                                                           **
+** parse h323 gateway config file                                            **
+**                                                                           **
+\*****************************************************************************/ 
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "main.h"
+
+/* parse h323_gateway.conf
+ *
+ * searches for the given ip and returns the extension or NULL if not found
+ */
+char *parse_h323gateway(char *ip, char *opt, int opt_size)
+{
+       FILE *fp=NULL;
+       char filename[256];
+       char *p;
+       unsigned int line,i;
+       char buffer[256];
+       static char host_ip[32], extension[32], option[64];
+       int found = 0;
+
+       SPRINT(filename, "%s/h323_gateway.conf", INSTALL_DATA);
+
+       if (!(fp = fopen(filename, "r")))
+       {
+               PERROR("Cannot open h323 gateway map: \"%s\"\n", filename);
+               return(0);
+       }
+
+       line=0;
+       while((fgets(buffer, sizeof(buffer), fp)))
+       {
+               line++;
+               buffer[sizeof(buffer)-1] = '\0';
+               if (buffer[0]) buffer[strlen(buffer)-1] = '\0';
+               p = buffer;
+
+               while(*p <= 32) /* skip spaces */
+               {
+                       if (*p == 0)
+                               break;
+                       p++;
+               }
+               if (*p==0 || *p=='#') /* ignore comments and empty line */
+                       continue;
+
+               host_ip[0]=0;
+               extension[0]=0;
+               option[0]=0;
+
+               i=0; /* read host ip */
+               while(*p > 32)
+               {
+                       if (i+1 >= sizeof(host_ip))
+                       {
+                               PERROR_RUNTIME("Error in %s (line %d): ip too long.\n",filename,line);
+                               break;
+                       }
+                       host_ip[i+1] = '\0';
+                       host_ip[i++] = *p++;
+               }
+
+               while(*p <= 32) /* skip spaces */
+               {
+                       if (*p == 0)
+                               break;
+                       p++;
+               }
+
+               if (*p!=0 && *p!='#') /* extension */
+               {
+                       i=0; /* read extension */
+                       while(*p > 32)
+                       {
+                               if (i+1 >= sizeof(extension))
+                               {
+                                       PERROR_RUNTIME("Error in %s (line %d): extension too long.\n",filename,line);
+                                       break;
+                               }
+                               extension[i+1] = '\0';
+                               extension[i++] = *p++;
+                       }
+                       while(*p <= 32) /* skip spaces */
+                       {
+                               if (*p == 0)
+                                       break;
+                               p++;
+                       }
+               }
+
+               if (*p!=0 && *p!='#') /* option */
+               {
+                       i=0; /* read option */
+                       while(*p > 32)
+                       {
+                               if (i+1 >= sizeof(option))
+                               {
+                                       PERROR_RUNTIME("Error in %s (line %d): option too long.\n",filename,line);
+                                       break;
+                               }
+                               option[i+1] = '\0';
+                               option[i++] = *p++;
+                       }
+                       // ignoring more
+               }
+
+               if (!!strcasecmp(ip, host_ip))
+                       continue;
+
+               if (extension[0] == '\0')
+                       continue;
+
+               found = 1;
+               break; /* found entry */
+       }
+
+       if (fp) fclose(fp);
+
+       if (found)
+       {
+               UNCPY(opt, option, opt_size-1);
+               opt[opt_size-1] = '\0';
+               return(extension);
+       }
+       return(0);
+}
+
+