diff options
| -rw-r--r-- | src/nspawn/nspawn.c | 120 |
1 files changed, 96 insertions, 24 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index c22d0cb598..4c1cfabca4 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -675,7 +675,18 @@ static int mount_all(const char *dest) { if (mount_table[k].what && t > 0) continue; - mkdir_p(where, 0755); + t = mkdir_p(where, 0755); + if (t < 0) { + if (mount_table[k].fatal) { + log_error("Failed to create directory %s: %s", where, strerror(-t)); + + if (r == 0) + r = t; + } else + log_warning("Failed to create directory %s: %s", where, strerror(-t)); + + continue; + } #ifdef HAVE_SELINUX if (arg_selinux_apifs_context && @@ -694,13 +705,15 @@ static int mount_all(const char *dest) { where, mount_table[k].type, mount_table[k].flags, - o) < 0 && - mount_table[k].fatal) { + o) < 0) { - log_error("mount(%s) failed: %m", where); + if (mount_table[k].fatal) { + log_error("mount(%s) failed: %m", where); - if (r == 0) - r = -errno; + if (r == 0) + r = -errno; + } else + log_warning("mount(%s) failed: %m", where); } } @@ -743,15 +756,35 @@ static int mount_binds(const char *dest, char **l, bool ro) { /* Create the mount point, but be conservative -- refuse to create block * and char devices. */ - if (S_ISDIR(source_st.st_mode)) - mkdir_label(where, 0755); - else if (S_ISFIFO(source_st.st_mode)) - mkfifo(where, 0644); - else if (S_ISSOCK(source_st.st_mode)) - mknod(where, 0644 | S_IFSOCK, 0); - else if (S_ISREG(source_st.st_mode)) - touch(where); - else { + if (S_ISDIR(source_st.st_mode)) { + r = mkdir_label(where, 0755); + if (r < 0) { + log_error("Failed to create mount point %s: %s", where, strerror(-r)); + + return r; + } + } else if (S_ISFIFO(source_st.st_mode)) { + r = mkfifo(where, 0644); + if (r < 0 && errno != EEXIST) { + log_error("Failed to create mount point %s: %m", where); + + return -errno; + } + } else if (S_ISSOCK(source_st.st_mode)) { + r = mknod(where, 0644 | S_IFSOCK, 0); + if (r < 0 && errno != EEXIST) { + log_error("Failed to create mount point %s: %m", where); + + return -errno; + } + } else if (S_ISREG(source_st.st_mode)) { + r = touch(where); + if (r < 0) { + log_error("Failed to create mount point %s: %s", where, strerror(-r)); + + return r; + } + } else { log_error("Refusing to create mountpoint for file: %s", *x); return -ENOTSUP; } @@ -778,12 +811,18 @@ static int mount_tmpfs(const char *dest) { STRV_FOREACH_PAIR(i, o, arg_tmpfs) { _cleanup_free_ char *where = NULL; + int r; where = strappend(dest, *i); if (!where) return log_oom(); - mkdir_label(where, 0755); + r = mkdir_label(where, 0755); + if (r < 0) { + log_error("creating mount point for tmpfs %s failed: %s", where, strerror(-r)); + + return r; + } if (mount("tmpfs", where, "tmpfs", MS_NODEV|MS_STRICTATIME, *o) < 0) { log_error("tmpfs mount to %s failed: %m", where); @@ -844,8 +883,19 @@ static int setup_timezone(const char *dest) { if (!what) return log_oom(); - mkdir_parents(where, 0755); - unlink(where); + r = mkdir_parents(where, 0755); + if (r < 0) { + log_error("Failed to create directory for timezone info %s in container: %s", where, strerror(-r)); + + return 0; + } + + r = unlink(where); + if (r < 0 && errno != ENOENT) { + log_error("Failed to remove existing timezone info %s in container: %m", where); + + return 0; + } if (symlink(what, where) < 0) { log_error("Failed to correct timezone of container: %m"); @@ -857,6 +907,7 @@ static int setup_timezone(const char *dest) { static int setup_resolv_conf(const char *dest) { _cleanup_free_ char *where = NULL; + int r; assert(dest); @@ -870,8 +921,19 @@ static int setup_resolv_conf(const char *dest) { /* We don't really care for the results of this really. If it * fails, it fails, but meh... */ - mkdir_parents(where, 0755); - copy_file("/etc/resolv.conf", where, O_TRUNC|O_NOFOLLOW, 0644); + r = mkdir_parents(where, 0755); + if (r < 0) { + log_warning("Failed to create parent directory for resolv.conf %s: %s", where, strerror(-r)); + + return 0; + } + + r = copy_file("/etc/resolv.conf", where, O_TRUNC|O_NOFOLLOW, 0644); + if (r < 0) { + log_warning("Failed to copy /etc/resolv.conf to %s: %s", where, strerror(-r)); + + return 0; + } return 0; } @@ -895,7 +957,11 @@ static int setup_volatile_state(const char *directory) { } p = strappenda(directory, "/var"); - mkdir(p, 0755); + r = mkdir(p, 0755); + if (r < 0 && errno != EEXIST) { + log_error("Failed to create %s: %m", directory); + return -errno; + } if (mount("tmpfs", p, "tmpfs", MS_STRICTATIME, "mode=755") < 0) { log_error("Failed to mount tmpfs to /var: %m"); @@ -935,7 +1001,13 @@ static int setup_volatile(const char *directory) { f = strappenda(directory, "/usr"); t = strappenda(template, "/usr"); - mkdir(t, 0755); + r = mkdir(t, 0755); + if (r < 0 && errno != EEXIST) { + log_error("Failed to create %s: %m", t); + r = -errno; + goto fail; + } + if (mount(f, t, "bind", MS_BIND|MS_REC, NULL) < 0) { log_error("Failed to create /usr bind mount: %m"); r = -errno; @@ -1294,7 +1366,7 @@ static int setup_journal(const char *directory) { r = mkdir_p(q, 0755); if (r < 0) - log_warning("failed to create directory %s: %m", q); + log_warning("Failed to create directory %s: %m", q); return 0; } @@ -1329,7 +1401,7 @@ static int setup_journal(const char *directory) { r = mkdir_p(q, 0755); if (r < 0) - log_warning("failed to create directory %s: %m", q); + log_warning("Failed to create directory %s: %m", q); return 0; } |