diff options
Diffstat (limited to 'src/resolver.c')
| -rw-r--r-- | src/resolver.c | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/src/resolver.c b/src/resolver.c index 618353fd..4ab51d6b 100644 --- a/src/resolver.c +++ b/src/resolver.c @@ -103,6 +103,7 @@ static int resolvfile_export(void) int fd, err; unsigned int count; mode_t old_umask; + const char *resolv_conf; content = g_string_new("# Generated by Connection Manager\n"); @@ -161,15 +162,33 @@ static int resolvfile_export(void) old_umask = umask(022); - fd = open(RESOLV_CONF_STATEDIR, O_RDWR | O_CREAT | O_CLOEXEC, - S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); - if (fd < 0) { - connman_warn_once("Cannot create "RESOLV_CONF_STATEDIR" " - "falling back to "RESOLV_CONF_ETC); + resolv_conf = connman_setting_get_string("ResolvConf"); + /* + * TODO: This is mainly for backward compatibility. In some future version, + * "ResolvConf" setting should default to RESOLV_CONF_STATEDIR or + * RESOLV_CONF_ETC and this branch can be removed. + */ + if (resolv_conf == NULL) { + fd = open(RESOLV_CONF_STATEDIR, O_RDWR | O_CREAT | O_CLOEXEC, + S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); + if (fd < 0) { + connman_warn_once("Cannot create "RESOLV_CONF_STATEDIR" " + "falling back to "RESOLV_CONF_ETC); - fd = open(RESOLV_CONF_ETC, O_RDWR | O_CREAT | O_CLOEXEC, - S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); + fd = open(RESOLV_CONF_ETC, O_RDWR | O_CREAT | O_CLOEXEC, + S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); + if (fd < 0) { + err = -errno; + goto done; + } + } + } else if (resolv_conf[0] == '\0' || strcmp(resolv_conf, "/dev/null") == 0) { + err = 0; + goto done; + } else { + fd = open(resolv_conf, O_RDWR | O_CREAT | O_CLOEXEC, + S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); if (fd < 0) { err = -errno; goto done; |