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Sanitize the element descriptor string before using it as a device name.

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Reported and tested by:	Vitalij Satanivskij
Reviewed by:	gibbs, mav
This commit is contained in:
Jaakko Heinonen 2013-01-24 17:28:39 +00:00
parent 40f0cb19b5
commit a9f2ac5902
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=245891
1 changed files with 10 additions and 2 deletions
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12
sys/cam/scsi/scsi_enc_ses.c
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@ -36,6 +36,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/ctype.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/lock.h>
@ -1053,10 +1054,11 @@ ses_set_physpath(enc_softc_t *enc, enc_element_t *elm,
{
struct ccb_dev_advinfo cdai;
ses_setphyspath_callback_args_t args;
int ret;
int i, ret;
struct sbuf sb;
uint8_t *devid, *elmaddr;
ses_element_t *elmpriv;
const char *c;
ret = EIO;
devid = NULL;
@ -1099,7 +1101,13 @@ ses_set_physpath(enc_softc_t *enc, enc_element_t *elm,
elmpriv = elm->elm_private;
if (elmpriv->descr != NULL && elmpriv->descr_len > 0) {
sbuf_cat(&sb, "/elmdesc@");
sbuf_bcat(&sb, elmpriv->descr, elmpriv->descr_len);
for (i = 0, c = elmpriv->descr; i < elmpriv->descr_len;
i++, c++) {
if (!isprint(*c) || isspace(*c) || *c == '/')
sbuf_putc(&sb, '_');
else
sbuf_putc(&sb, *c);
}
}
sbuf_finish(&sb);