|
|
|---|
} | } |
} | } |
| |
|
/* Glibc addmntent() doesn't encode '\n', misencodes '\t' as '\n' |
|
(version 2.3.2), and encodes '\\' differently as mount(8). So |
|
let's not allow those characters, they are not all that usual in |
|
filenames. */ |
|
static int check_name(const char *name) |
|
{ |
|
char *s; |
|
for (s = "\n\t\\"; *s; s++) { |
|
if (strchr(name, *s)) { |
|
fprintf(stderr, "%s: illegal character 0x%02x in mount entry\n", |
|
progname, *s); |
|
return -1; |
|
} |
|
} |
|
return 0; |
|
} |
|
|
static int add_mount(const char *fsname, const char *mnt, const char *type, | static int add_mount(const char *fsname, const char *mnt, const char *type, |
const char *opts) | const char *opts) |
{ | { |
|
|
|---|
struct mntent ent; | struct mntent ent; |
FILE *fp; | FILE *fp; |
| |
|
if (check_name(fsname) == -1 || check_name(mnt) == -1 || |
|
check_name(type) == -1 || check_name(opts) == -1) |
|
return -1; |
|
|
fp = setmntent(mtab, "a"); | fp = setmntent(mtab, "a"); |
if (fp == NULL) { | if (fp == NULL) { |
fprintf(stderr, "%s: failed to open %s: %s\n", progname, mtab, | fprintf(stderr, "%s: failed to open %s: %s\n", progname, mtab, |
