stagit

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commit aa36e0c9b4d8da06c5dc03a461f9d3fe69a1e7fb
parent eae9437f944f04619cbda9ce7eb460f6ff0d7f4c
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Tue,  3 May 2016 00:33:56 +0200

add OpenBSD pledge(2) support using -DUSE_PLEDGE

Diffstat:
M
config.mk
 | 
10
+++++++---
M
stagit-index.c
 | 
11
+++++++++++
M
stagit.c
 | 
11
+++++++++++

3 files changed, 29 insertions(+), 3 deletions(-)
diff --git a/config.mk b/config.mk
@@ -4,6 +4,9 @@
 PREFIX = /usr/local
 MANPREFIX = ${PREFIX}/man
 
+# compiler and linker
+#CC = cc
+
 GITINC = /usr/local/include
 GITLIB = /usr/local/lib
 
@@ -23,6 +26,7 @@ LDFLAGS = -s ${LIBS}
 #CFLAGS = -static -O2 -std=c99 ${INCS}
 #LDFLAGS = -static -s ${LIBS}
 
-CPPFLAGS= -D_XOPEN_SOURCE=700 -D_DEFAULT_SOURCE -D_BSD_SOURCE ${INCS}
-# compiler and linker
-#CC = cc
+CPPFLAGS = -D_XOPEN_SOURCE=700 -D_DEFAULT_SOURCE -D_BSD_SOURCE ${INCS}
+
+# OpenBSD 5.9+: use pledge(2)
+#CPPFLAGS += -DUSE_PLEDGE
diff --git a/stagit-index.c b/stagit-index.c
@@ -23,6 +23,14 @@ static char description[255] = "Repositories";
 static char *name = "";
 static char owner[255];
 
+#ifndef USE_PLEDGE
+int
+pledge(const char *promises, const char *paths[])
+{
+        return 0;
+}
+#endif
+
 /* Escape characters below as HTML 2.0 / XML 1.0. */
 void
 xmlencode(FILE *fp, const char *s, size_t len)
@@ -154,6 +162,9 @@ main(int argc, char *argv[])
     char path[PATH_MAX], repodirabs[PATH_MAX + 1];
     int i, ret = 0;
 
+    if (pledge("stdio rpath", NULL) == -1)
+        err(1, "pledge");
+
     if (argc < 2) {
         fprintf(stderr, "%s [repodir...]\n", argv[0]);
         return 1;
diff --git a/stagit.c b/stagit.c
@@ -64,6 +64,14 @@ static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + nul byte */
 static FILE *rcachefp, *wcachefp;
 static const char *cachefile;
 
+#ifndef USE_PLEDGE
+int
+pledge(const char *promises, const char *paths[])
+{
+    return 0;
+}
+#endif
+
 void
 deltainfo_free(struct deltainfo *di)
 {
@@ -1033,6 +1041,9 @@ main(int argc, char *argv[])
     size_t n;
     int i, fd;
 
+    if (pledge("stdio rpath wpath cpath", NULL) == -1)
+        err(1, "pledge");
+
     for (i = 1; i < argc; i++) {
         if (argv[i][0] != '-') {
             if (repodir)