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-rw-r--r--conf/pam_conv1/pam_conv_y.y206
1 files changed, 206 insertions, 0 deletions
diff --git a/conf/pam_conv1/pam_conv_y.y b/conf/pam_conv1/pam_conv_y.y
new file mode 100644
index 0000000..c971abf
--- /dev/null
+++ b/conf/pam_conv1/pam_conv_y.y
@@ -0,0 +1,206 @@
+%{
+
+/*
+ * $Id$
+ *
+ * Copyright (c) Andrew G. Morgan 1997 <morgan@parc.power.net>
+ *
+ * This file is covered by the Linux-PAM License (which should be
+ * distributed with this file.)
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <sys/stat.h>
+
+ extern int yylex(void);
+
+ int current_line=1;
+ extern char *yytext;
+
+/* XXX - later we'll change this to be the specific conf file(s) */
+#define newpamf stderr
+
+#define PAM_D "./pam.d"
+#define PAM_D_MODE 0755
+#define PAM_D_MAGIC_HEADER \
+ "#%%PAM-1.0\n" \
+ "#[For version 1.0 syntax, the above header is optional]\n"
+
+#define PAM_D_FILE_FMT PAM_D "/%s"
+
+ const char *old_to_new_ctrl_flag(const char *old);
+ void yyerror(const char *format, ...);
+%}
+
+%union {
+ int def;
+ char *string;
+}
+
+%token NL EOFILE TOK
+
+%type <string> tok path tokenls
+
+%start complete
+
+%%
+
+complete
+:
+| complete NL
+| complete line
+| complete EOFILE {
+ return 0;
+}
+;
+
+line
+: tok tok tok path tokenls NL {
+ char *filename;
+ FILE *conf;
+ int i;
+
+ /* make sure we have lower case */
+ for (i=0; $1[i]; ++i) {
+ $1[i] = tolower($1[i]);
+ }
+
+ /* $1 = service-name */
+ yyerror("Appending to " PAM_D "/%s", $1);
+
+ filename = malloc(strlen($1) + sizeof(PAM_D) + 6);
+ sprintf(filename, PAM_D_FILE_FMT, $1);
+ conf = fopen(filename, "r");
+ if (conf == NULL) {
+ /* new file */
+ conf = fopen(filename, "w");
+ if (conf != NULL) {
+ fprintf(conf, PAM_D_MAGIC_HEADER);
+ fprintf(conf,
+ "#\n"
+ "# The PAM configuration file for the `%s' service\n"
+ "#\n", $1);
+ }
+ } else {
+ fclose(conf);
+ conf = fopen(filename, "a");
+ }
+ if (conf == NULL) {
+ yyerror("trouble opening %s - aborting", filename);
+ exit(1);
+ }
+ free(filename);
+
+ /* $2 = module-type */
+ fprintf(conf, "%-10s", $2);
+ free($2);
+
+ /* $3 = required etc. */
+ {
+ const char *trans;
+
+ trans = old_to_new_ctrl_flag($3);
+ free($3);
+ fprintf(conf, " %-10s", trans);
+ }
+
+ /* $4 = module-path */
+ fprintf(conf, " %s", $4);
+ free($4);
+
+ /* $5 = arguments */
+ if ($5 != NULL) {
+ fprintf(conf, " \\\n\t\t%s", $5);
+ free($5);
+ }
+
+ /* end line */
+ fprintf(conf, "\n");
+
+ fclose(conf);
+}
+| error NL {
+ yyerror("malformed line");
+}
+;
+
+tokenls
+: {
+ $$=NULL;
+}
+| tokenls tok {
+ int len;
+
+ if ($1) {
+ len = strlen($1) + strlen($2) + 2;
+ $$ = malloc(len);
+ sprintf($$,"%s %s",$1,$2);
+ free($1);
+ free($2);
+ } else {
+ $$ = $2;
+ }
+}
+;
+
+path
+: TOK {
+ /* XXX - this could be used to check if file present */
+ $$ = strdup(yytext);
+}
+
+tok
+: TOK {
+ $$ = strdup(yytext);
+}
+
+%%
+
+const char *old_to_new_ctrl_flag(const char *old)
+{
+ static const char *clist[] = {
+ "requisite",
+ "required",
+ "sufficient",
+ "optional",
+ NULL,
+ };
+ int i;
+
+ for (i=0; clist[i]; ++i) {
+ if (strcasecmp(clist[i], old) == 0) {
+ break;
+ }
+ }
+
+ return clist[i];
+}
+
+void yyerror(const char *format, ...)
+{
+ va_list args;
+
+ fprintf(stderr, "line %d: ", current_line);
+ va_start(args, format);
+ vfprintf(stderr, format, args);
+ va_end(args);
+ fprintf(stderr, "\n");
+}
+
+int main(void)
+{
+ if (mkdir(PAM_D, PAM_D_MODE) != 0) {
+ yyerror(PAM_D " already exists.. aborting");
+ exit(1);
+ }
+ yyparse();
+ exit(0);
+}