diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/selinux/hooks.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index e4d81a42fca4..cac0273ec447 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -398,7 +398,7 @@ static int try_context_mount(struct super_block *sb, void *data) /* Standard string-based options. */ char *p, *options = data; - while ((p = strsep(&options, ",")) != NULL) { + while ((p = strsep(&options, "|")) != NULL) { int token; substring_t args[MAX_OPT_ARGS]; @@ -1923,18 +1923,40 @@ static inline void take_option(char **to, char *from, int *first, int len) if (!*first) { **to = ','; *to += 1; - } - else + } else *first = 0; memcpy(*to, from, len); *to += len; } +static inline void take_selinux_option(char **to, char *from, int *first, + int len) +{ + int current_size = 0; + + if (!*first) { + **to = '|'; + *to += 1; + } + else + *first = 0; + + while (current_size < len) { + if (*from != '"') { + **to = *from; + *to += 1; + } + from += 1; + current_size += 1; + } +} + static int selinux_sb_copy_data(struct file_system_type *type, void *orig, void *copy) { int fnosec, fsec, rc = 0; char *in_save, *in_curr, *in_end; char *sec_curr, *nosec_save, *nosec; + int open_quote = 0; in_curr = orig; sec_curr = copy; @@ -1956,11 +1978,14 @@ static int selinux_sb_copy_data(struct file_system_type *type, void *orig, void in_save = in_end = orig; do { - if (*in_end == ',' || *in_end == '\0') { + if (*in_end == '"') + open_quote = !open_quote; + if ((*in_end == ',' && open_quote == 0) || + *in_end == '\0') { int len = in_end - in_curr; if (selinux_option(in_curr, len)) - take_option(&sec_curr, in_curr, &fsec, len); + take_selinux_option(&sec_curr, in_curr, &fsec, len); else take_option(&nosec, in_curr, &fnosec, len); |