diff options
Diffstat (limited to 'conf.c')
-rw-r--r-- | conf.c | 72 |
1 files changed, 1 insertions, 71 deletions
@@ -20,7 +20,6 @@ #include <sched.h> #include <sys/types.h> #include <sys/stat.h> -#include <libgen.h> #include <limits.h> #include <grp.h> #include <pwd.h> @@ -575,73 +574,6 @@ static int conf_pasta_ns(int *netns_only, char *userns, char *netns, } /** - * conf_ns_check() - Check if we can enter configured namespaces - * @arg: Execution context - * - * Return: 0 - */ -static int conf_ns_check(void *arg) -{ - struct ctx *c = (struct ctx *)arg; - - if ((!c->netns_only && setns(c->pasta_userns_fd, CLONE_NEWUSER)) || - setns(c->pasta_netns_fd, CLONE_NEWNET)) - c->pasta_userns_fd = c->pasta_netns_fd = -1; - - return 0; - -} - -/** - * conf_ns_open() - Open network, user namespaces descriptors from configuration - * @c: Execution context - * @userns: --userns argument, can be an empty string - * @netns: network namespace path - * - * Return: 0 on success, negative error code otherwise - */ -static int conf_ns_open(struct ctx *c, const char *userns, const char *netns) -{ - int ufd = -1, nfd = -1; - - nfd = open(netns, O_RDONLY | O_CLOEXEC); - if (nfd < 0) { - err("Couldn't open network namespace %s", netns); - return -ENOENT; - } - - if (!c->netns_only && *userns) { - ufd = open(userns, O_RDONLY | O_CLOEXEC); - if (ufd < 0) { - close(nfd); - err("Couldn't open user namespace %s", userns); - return -ENOENT; - } - } - - c->pasta_netns_fd = nfd; - c->pasta_userns_fd = ufd; - - NS_CALL(conf_ns_check, c); - - if (c->pasta_netns_fd < 0) { - err("Couldn't switch to pasta namespaces"); - return -ENOENT; - } - - if (!c->no_netns_quit) { - char buf[PATH_MAX]; - - strncpy(buf, netns, PATH_MAX); - strncpy(c->netns_base, basename(buf), PATH_MAX - 1); - strncpy(buf, netns, PATH_MAX); - strncpy(c->netns_dir, dirname(buf), PATH_MAX - 1); - } - - return 0; -} - -/** * conf_ip4() - Verify or detect IPv4 support, get relevant addresses * @ifi: Host interface to attempt (0 to determine one) * @ip4: IPv4 context (will be written) @@ -1598,9 +1530,7 @@ void conf(struct ctx *c, int argc, char **argv) if (c->mode == MODE_PASTA) { if (*netns) { - ret = conf_ns_open(c, userns, netns); - if (ret < 0) - usage(argv[0]); + pasta_open_ns(c, userns, netns); } else { pasta_start_ns(c, argc - optind, argv + optind); } |