X-Git-Url: http://www.dolda2000.com/gitweb/?a=blobdiff_plain;f=src%2Fcallcgi.c;h=e6e909b9c3ce31d1c89be62d055c6ccc55b68e46;hb=5e74f3f1acc7e8ec281ddf1eaa668c14c2bec349;hp=10bb87c9af47e6223dc35fd237a40fad51d2d98b;hpb=f0a758cc8c1337606a392db67e63cec6601d2730;p=ashd.git

diff --git a/src/callcgi.c b/src/callcgi.c
index 10bb87c..e6e909b 100644
--- a/src/callcgi.c
+++ b/src/callcgi.c
@@ -90,7 +90,10 @@ static void forkchild(int inpath, char *prog, char *file, char *method, char *ur
 	if(getenv("HTTP_VERSION"))
 	    putenv(sprintf2("SERVER_PROTOCOL=%s", getenv("HTTP_VERSION")));
 	putenv(sprintf2("REQUEST_METHOD=%s", method));
-	putenv(sprintf2("PATH_INFO=/%s", rest));
+	if(*rest)
+	    putenv(sprintf2("PATH_INFO=/%s", rest));
+	else
+	    putenv("PATH_INFO=");
 	name = url;
 	/* XXX: This is an ugly hack (I think), but though I can think
 	 * of several alternatives, none seem to be better. */
@@ -286,14 +289,14 @@ static void sendheaders(char **headers, FILE *out)
 
 static void usage(void)
 {
-    flog(LOG_ERR, "usage: callcgi [-p PROGRAM] METHOD URL REST");
+    flog(LOG_ERR, "usage: callcgi [-c] [-p PROGRAM] METHOD URL REST");
 }
 
 int main(int argc, char **argv, char **envp)
 {
     int c;
-    char *file, *prog;
-    int inpath;
+    char *file, *prog, *sp;
+    int inpath, cd;
     int infd, outfd;
     FILE *in, *out;
     char **headers;
@@ -303,8 +306,12 @@ int main(int argc, char **argv, char **envp)
     
     prog = NULL;
     inpath = 0;
-    while((c = getopt(argc, argv, "p:")) >= 0) {
+    cd = 0;
+    while((c = getopt(argc, argv, "cp:")) >= 0) {
 	switch(c) {
+	case 'c':
+	    cd = 1;
+	    break;
 	case 'p':
 	    prog = optarg;
 	    inpath = 1;
@@ -323,6 +330,21 @@ int main(int argc, char **argv, char **envp)
 	flog(LOG_ERR, "callcgi: needs to be called with the X-Ash-File header");
 	exit(1);
     }
+    
+    if(cd) {
+	/* This behavior is encouraged by the CGI specification (RFC 3875, 7.2),
+	 * but not strictly required, and I get the feeling it might break some
+	 * relative paths here or there, so it's not the default for now. */
+	if((sp = strrchr(file, '/')) != NULL) {
+	    *sp = 0;
+	    if(chdir(file)) {
+		*sp = '/';
+	    } else {
+		file = sp + 1;
+	    }
+	}
+    }
+    
     if(prog == NULL)
 	prog = file;
     forkchild(inpath, prog, file, argv[optind], argv[optind + 1], argv[optind + 2], &infd, &outfd);