Initial commit of files

src/libnet/uri_parse.c

@@ -0,0 +1,160 @@
+//
+// IP gethostname
+//
+
+#include "netlib.h"
+#include "strlib.h"
+
+void uri_clear( uri_parts *parsed )
+{
+  bzero( parsed, sizeof(uri_parts) );
+}
+
+void uri_defaults( uri_parts *parsed )
+{
+  bzero( parsed, sizeof(uri_parts) );
+  strcpy( parsed->proto, "http" );
+  strcpy( parsed->host, "localhost" );
+  strcpy( parsed->port, "80" );
+  strcpy( parsed->path, "/" );
+}
+
+int uri_parse( const char *uri, uri_parts *parsed )
+{
+  char buf[4096];
+  char *proto = NULL, *host = NULL, *port = NULL;
+  char *user = NULL, *pass = NULL, *path = NULL;
+  char *s;
+  int  ret = 0;
+  
+  // output
+  if ( !parsed )
+    return 0;
+  
+  // buffer
+  strlcpy( buf, uri, sizeof(buf) );
+  
+  // proto://user:pass@host:port/path
+  s = buf;
+  
+  // proto
+  if ( isalpha(*s) )
+  {
+    s = strchr( buf, ':' );
+    
+    if ( s )
+    {
+      proto = buf;
+      *s++ = '\0';
+      ret++;
+    }
+    else
+      s = buf;
+  }
+  
+  // absolute path
+  if ( strncmp( s, "///", 3 ) == 0 )
+  {
+    // skip over
+    s += 2;
+    
+    // file path
+    path = s++;
+    
+    ret++;
+  }
+  else if ( strncmp( s, "//", 2 ) == 0 )
+  {
+    // skip over
+    s += 2;
+    
+    // path
+    if ( (path = strchr( s, '/' )) )
+    {
+      *path++ = '\0';
+      strlcpy( parsed->path, "/", sizeof(parsed->path) );
+      ret++;
+    }
+    
+    // user:pass, host
+    if ( (host = strchr( s, '@' )) )
+    {
+      // user
+      user = s;
+      *host++ = '\0';
+      ret++;
+      
+      // pass
+      pass = strchr( user, ':' );
+      if ( pass )
+      {
+        *pass++ = '\0';
+        ret++;
+      }
+    }
+    else
+      host = s;
+    
+    // host:port
+    if ( strlen( host ) )
+    {
+      ret++;
+      port = strchr( host, ':' );
+      if ( port )
+      {
+        *port++ = '\0';
+        ret++;
+      }
+    }
+    parsed->rate = 0;
+  }
+  else if ( *s == '/' )
+  {
+    // file path
+    path = s;
+    
+    // the case of /dev/ttyS0:baud
+    if ( (s = strchr( path, ':' )) )
+    {
+      *s++ = '\0';
+      parsed->rate = atoi( s );
+      ret++;
+    }
+    ret++;
+  }
+  else
+  {
+    // hostname
+    host = s;
+    
+    if ( (s = strchr( host, ':' )) )
+    {
+      *s++ = '\0';
+      port = s;
+      ret++;
+    }
+    ret++;
+  }
+  
+  // copy
+  if ( proto )
+  {
+    strncpy( parsed->proto, proto, sizeof(parsed->proto) );
+  }
+  if ( user )
+  {
+    strncpy( parsed->user, user, sizeof(parsed->user) );
+    if ( pass )
+      strncpy( parsed->pass, pass, sizeof(parsed->pass) );
+  }
+  if ( host )
+  {
+    strncpy( parsed->host, host, sizeof(parsed->host) );
+    if ( port )
+      strncpy( parsed->port, port, sizeof(parsed->port) );
+  }
+  if ( path )
+    strncat( parsed->path, path, sizeof(parsed->path) );
+  
+  return ret;
+}