diff options
Diffstat (limited to 'sys/geom/label/g_label.c')
| -rw-r--r-- | sys/geom/label/g_label.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sys/geom/label/g_label.c b/sys/geom/label/g_label.c index 0ea8850..66d228a 100644 --- a/sys/geom/label/g_label.c +++ b/sys/geom/label/g_label.c @@ -34,8 +34,10 @@ __FBSDID("$FreeBSD$"); #include <sys/lock.h> #include <sys/mutex.h> #include <sys/bio.h> +#include <sys/ctype.h> #include <sys/malloc.h> #include <sys/libkern.h> +#include <sys/sbuf.h> #include <sys/sysctl.h> #include <geom/geom.h> #include <geom/geom_slice.h> @@ -138,6 +140,26 @@ g_label_is_name_ok(const char *label) return (1); } +static void +g_label_mangle_name(char *label, size_t size) +{ + struct sbuf *sb; + const u_char *c; + + sb = sbuf_new(NULL, NULL, size, SBUF_FIXEDLEN); + for (c = label; *c != '\0'; c++) { + if (!isprint(*c) || isspace(*c) || *c =='"' || *c == '%') + sbuf_printf(sb, "%%%02X", *c); + else + sbuf_putc(sb, *c); + } + if (sbuf_finish(sb) != 0) + label[0] = '\0'; + else + strlcpy(label, sbuf_data(sb), size); + sbuf_delete(sb); +} + static struct g_geom * g_label_create(struct gctl_req *req, struct g_class *mp, struct g_provider *pp, const char *label, const char *dir, off_t mediasize) @@ -323,6 +345,7 @@ g_label_taste(struct g_class *mp, struct g_provider *pp, int flags __unused) continue; g_topology_unlock(); g_labels[i]->ld_taste(cp, label, sizeof(label)); + g_label_mangle_name(label, sizeof(label)); g_topology_lock(); if (label[0] == '\0') continue; |
