doc: Documented htpipe.

[ashd.git] / src / callscgi.c

diff --git a/src/callscgi.c b/src/callscgi.c
index 6d72f0e..2483c49 100644 (file)
--- a/src/callscgi.c
+++ b/src/callscgi.c
@@ -111,9 +111,16 @@ static char *mkanonid(void)
     return(tmpl);
 }
 
+static void setupchild(void)
+{
+    /* PHP appears to not expect to inherit SIGCHLD set to SIG_IGN, so
+     * reset it for it. */
+    signal(SIGCHLD, SIG_DFL);
+}
+
 static void startlisten(void)
 {
-    int i, fd;
+    int fd;
     struct addrinfo *ai, *cai;
     char *unpath;
     struct sockaddr_un unm;
@@ -191,9 +198,9 @@ static void startlisten(void)
        exit(1);
     }
     if(child == 0) {
+       setupchild();
        dup2(fd, 0);
-       for(i = 3; i < FD_SETSIZE; i++)
-           close(i);
+       close(fd);
        execvp(*progspec, progspec);
        flog(LOG_ERR, "callscgi: %s: %s", *progspec, strerror(errno));
        _exit(127);
@@ -203,15 +210,14 @@ static void startlisten(void)
 
 static void startnolisten(void)
 {
-    int i, fd;
+    int fd;
     
     if((child = fork()) < 0) {
        flog(LOG_ERR, "could not fork: %s", strerror(errno));
        exit(1);
     }
     if(child == 0) {
-       for(i = 3; i < FD_SETSIZE; i++)
-           close(i);
+       setupchild();
        if((fd = open("/dev/null", O_RDONLY)) < 0) {
            flog(LOG_ERR, "/dev/null: %s", strerror(errno));
            _exit(127);
@@ -430,8 +436,8 @@ static void mkcgienv(struct hthead *req, struct charbuf *dst)
        pi = sprintf2("/%s", tmp = pi);
        free(tmp);
     }
-    bufaddenv(dst, "PATH_INFO", pi);
-    bufaddenv(dst, "SCRIPT_NAME", url);
+    bufaddenv(dst, "PATH_INFO", "%s", pi);
+    bufaddenv(dst, "SCRIPT_NAME", "%s", url);
     bufaddenv(dst, "QUERY_STRING", "%s", qp?qp:"");
     free(pi);
     free(url);
@@ -515,8 +521,8 @@ static void serve(struct muth *muth, va_list args)
     struct hthead *resp;
     
     sfd = reconn();
-    is = mtstdopen(fd, 1, 60, "r+");
-    os = mtstdopen(sfd, 1, 600, "r+");
+    is = mtstdopen(fd, 1, 60, "r+", NULL);
+    os = mtstdopen(sfd, 1, 600, "r+", NULL);
     
     bufinit(head);
     mkcgienv(req, &head);