Starting service as @user chdir() to their $HOME

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

helpers.c

@@ -189,9 +189,10 @@ int print_result(int fail)
 	return fail;
 }
 
-int getuser(char *username)
+int getuser(char *username, char **home)
 {
 #ifdef ENABLE_STATIC
+	home = NULL;		/* XXX: Fixme */
 	return fgetint("/etc/passwd", "x:\n", username);
 #else
 	struct passwd *usr;
@@ -199,7 +200,8 @@ int getuser(char *username)
 	if (!username || (usr = getpwnam(username)) == NULL)
 		return -1;
 
-	return usr->pw_uid;
+	*home = usr->pw_dir;
+	return  usr->pw_uid;
 #endif
 }
 

helpers.h

@@ -76,7 +76,7 @@ void    print_desc      (char *action, char *desc);
 int     print_result    (int fail);
 int     start_process   (char *cmd, char *args[], int console);
 void    do_sleep        (unsigned int sec);
-int     getuser         (char *username);
+int     getuser         (char *username, char **home);
 int     getgroup        (char *group);
 void    set_hostname    (char **hostname);
 

service.c

@@ -151,10 +151,11 @@ static int service_start(svc_t *svc)
 	pid = fork();
 	if (pid == 0) {
 		int status;
+		char *home = NULL;
 #ifdef ENABLE_STATIC
 		int uid = 0; /* XXX: Fix better warning that dropprivs is disabled. */
 #else
-		int uid = getuser(svc->username);
+		int uid = getuser(svc->username, &home);
 #endif
 		char *args[MAX_NUM_SVC_ARGS];
 
@@ -165,6 +166,10 @@ static int service_start(svc_t *svc)
 			/* Set default path for regular users */
 			if (uid > 0)
 				setenv("PATH", _PATH_DEFPATH, 1);
+			if (home) {
+				setenv("HOME", home, 1);
+				chdir(home);
+			}
 		}
 
 		/* Serve copy of args to process in case it modifies them. */