--- /dev/null
+%{
+/*
+ * Copyright 2000, International Business Machines Corporation and others.
+ * All Rights Reserved.
+ *
+ * This software has been released under the terms of the IBM Public
+ * License. For details, see the LICENSE file in the top-level source
+ * directory or online at http://www.openafs.org/dl/license10.html
+ */
+
+#include <afsconfig.h>
+#include <afs/param.h>
+
+RCSID("$Header$");
+
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+#endif
+
+#include "y.tab.h"
+#include "uss_common.h"
+int line=1;
+#ifdef DEBUG
+#define dprint(x) {fprintf(stderr, x); fflush(stderr);}
+#else
+#define dprint(x)
+#endif
+%}
+
+/* definitions */
+C #[^\n]*
+W [ \t]+
+L [A-Za-z]
+S [\.A-Z0-9a-z/$][^ \t\n#=\^\!\|\(\)\{\};]*
+Q \"[^\"\n]*[\"\n]
+INVAL [^ADEFLSVGX# ]
+EOL [\n]
+
+%%
+{C} {dprint(("got a comment\n"));}
+^{EOL} {dprint(("got an empty line\n")); line++;}
+^{INVAL} {uss_procs_PrintErr(line," Invalid command \n");}
+^[D]{W} {dprint(("got a Dir\n"));return(DIR_TKN);}
+^[F]{W} {dprint(("got a File\n"));return(FILE_TKN);}
+^[L]{W} {dprint(("got a Link\n"));return(LINK_TKN);}
+^[S]{W} {dprint(("got a Symlink\n"));return(SYMLINK_TKN);}
+^[E]{W} {dprint(("got an Echo\n"));return(ECHO_TKN);}
+^[X]{W} {dprint(("got an Exec\n"));return(EXEC_TKN);}
+^[V]{W} {dprint(("got a Vol\n"));return(VOL_TKN);}
+^[G]{W} {dprint(("got a Group Declaration\n"));return(GROUP_TKN);}
+^[A]{W} {dprint(("got an Auth\n"));return(AUTH_TKN);}
+^[Y]{W} {dprint(("got a Vol1\n"));return(VOL1_TKN);}
+{S} {dprint(("got a string(%s)\n", yytext));
+ Replace(yytext, yylval.strval);
+ return(STRING_TKN);
+ }
+{Q} {dprint(("got a quote: '%s'\n", yytext));
+ Replace(yytext, yylval.strval);
+ return(STRING_TKN);
+ }
+{EOL} {line++;
+ return(EOL_TKN);};
+
+%%
+
+/*
+ * This routine copies the in buf to out and replaces every known
+ * variable, e.g. $user, $1, ... by its value. This value either
+ * comes from main program, or the handling routine will figure it
+ * out. If given a quoted string, it ignores the first double quote
+ * and replaces the second with a null.
+ */
+
+Replace(in, out)
+ char *in, *out;
+
+{ /*Replace*/
+
+ char *in_text, *in_var, *out_cp, VarNo;
+ int n;
+ int isQuotedString;
+ char *nullP;
+
+ if(in[0] == '"') {
+ /*
+ * Strip the opening quote, remember we're handling a
+ * quoted string
+ */
+ in_text = in+1;
+ isQuotedString = 1;
+ }
+ else {
+ in_text = in;
+ isQuotedString = 0;
+ }
+ out_cp = out;
+
+ while ((in_var = strchr(in_text, '$')) != NULL) {
+ while(in_text < in_var)
+ *out_cp++ = *in_text++;
+ VarNo = *(in_var+1);
+ if(VarNo >= '0' && VarNo <= '9') {
+ /*In the 0-9 range*/
+ n = VarNo - '0';
+ if (n == 0) {
+ fprintf(stderr,
+ "$0 is the program name. Please start from $1.\n");
+ exit(-1);
+ }
+ if (n > uss_VarMax){
+ fprintf(stderr,
+ "Illegal variable number ($%d is the largest acceptable)\n",
+ uss_VarMax);
+ exit(-1);
+ }
+
+ strcpy(out_cp, uss_Var[n]);
+ out_cp += strlen(uss_Var[n]);
+ in_text += 2;
+ }
+
+ else if (strncmp(in_var, "$USER", 5) == 0) {
+ strcpy(out_cp, uss_User);
+ out_cp += strlen(uss_User);
+ in_text += 5;
+ }
+
+ else if (strncmp(in_var, "$UID", 4) == 0) {
+ strcpy(out_cp, uss_Uid);
+ out_cp += strlen(uss_Uid);
+ in_text += 4;
+ }
+
+ else if (strncmp(in_var, "$SERVER", 7) == 0) {
+ strcpy(out_cp, uss_Server);
+ out_cp += strlen(uss_Server);
+ in_text += 7;
+ }
+
+ else if (strncmp(in_var, "$PART", 5) == 0) {
+ strcpy(out_cp, uss_Partition);
+ out_cp += strlen(uss_Partition);
+ in_text += 5;
+ }
+
+ else if (strncmp(in_var, "$MTPT", 5) == 0) {
+ strcpy(out_cp, uss_MountPoint);
+ out_cp += strlen(uss_MountPoint);
+ in_text += 5;
+ }
+
+ else if (strncmp(in_var, "$NAME", 5) == 0) {
+ strcpy(out_cp, uss_RealName);
+ out_cp += strlen(uss_RealName);
+ in_text += 5;
+ }
+
+ else if (strncmp(in_var, "$AUTO", 5) == 0) {
+ /*Picks a dir with minimum entries*/
+ uss_procs_PickADir(out, out_cp /*, uss_Auto*/);
+ printf("debug: $AUTO = %s\n", uss_Auto);
+ strcpy(out_cp, uss_Auto);
+ out_cp += strlen(uss_Auto);
+ in_text += 5;
+ }
+ else if (strncmp(in_var, "$PWEXPIRES", 10) == 0) {
+ sprintf(out_cp, " %d ", uss_Expires);
+ out_cp += strlen(out_cp);
+ in_text += 10;
+ }
+
+ else{
+ /*Unknown variable*/
+ fprintf(stderr,
+ "Warning: unknown variable in config file: '%s'\n",
+ in_var);
+ *out_cp++ = *in_text++;
+ }
+ }
+
+ /*
+ * At this point, we've copied over the in buffer up to the point
+ * of the last variable instance, so copy over the rest. If this
+ * is a quoted string, we place the terminating null where the
+ * ending double quote is.
+ */
+ while(*in_text != '\0')
+ *out_cp++ = *in_text++;
+
+ if (isQuotedString) {
+ nullP = strchr(out, '"');
+ if (nullP == NULL)
+ nullP = out_cp;
+ }
+ else
+ nullP = out_cp;
+ *nullP = '\0';
+
+} /*Replace*/
+
+yywrap()
+{
+return(1);
+}