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zpool: get: only accept whole columns for -o, not col[=whatever]

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Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12996
This commit is contained in:
наб 2022-01-22 14:24:57 +01:00 committed by Brian Behlendorf
parent 675508f608
commit 66cd170db3
1 changed files with 23 additions and 31 deletions
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54
cmd/zpool/zpool_main.c
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@ -518,7 +518,7 @@ print_vdev_prop_cb(int prop, void *cb)
* that command. Otherwise, iterate over the entire command table and display
* a complete usage message.
*/
static void
static _Noreturn void
usage(boolean_t requested)
{
FILE *fp = requested ? stdout : stderr;
@ -10069,7 +10069,6 @@ zpool_do_get(int argc, char **argv)
zprop_list_t fake_name = { 0 };
int ret;
int c, i;
char *value;
char *propstr = NULL;
cb.cb_first = B_TRUE;
@ -10098,10 +10097,14 @@ zpool_do_get(int argc, char **argv)
case 'o':
memset(&cb.cb_columns, 0, sizeof (cb.cb_columns));
i = 0;
while (*optarg != '\0') {
static char *col_subopts[] =
for (char *tok; (tok = strsep(&optarg, ",")); ) {
static const char *const col_opts[] =
{ "name", "property", "value", "source",
"all", NULL };
"all" };
static const zfs_get_column_t col_cols[] =
{ GET_COL_NAME, GET_COL_PROPERTY, GET_COL_VALUE,
GET_COL_SOURCE };
if (i == ZFS_GET_NCOLS) {
(void) fprintf(stderr, gettext("too "
@ -10110,21 +10113,16 @@ zpool_do_get(int argc, char **argv)
usage(B_FALSE);
}
switch (getsubopt(&optarg, col_subopts,
&value)) {
case 0:
cb.cb_columns[i++] = GET_COL_NAME;
break;
case 1:
cb.cb_columns[i++] = GET_COL_PROPERTY;
break;
case 2:
cb.cb_columns[i++] = GET_COL_VALUE;
break;
case 3:
cb.cb_columns[i++] = GET_COL_SOURCE;
break;
case 4:
for (c = 0; c < ARRAY_SIZE(col_opts); ++c)
if (strcmp(tok, col_opts[c]) == 0)
goto found;
(void) fprintf(stderr,
gettext("invalid column name '%s'\n"), tok);
usage(B_FALSE);
found:
if (c >= 4) {
if (i > 0) {
(void) fprintf(stderr,
gettext("\"all\" conflicts "
@ -10132,18 +10130,12 @@ zpool_do_get(int argc, char **argv)
"given to -o option\n"));
usage(B_FALSE);
}
cb.cb_columns[0] = GET_COL_NAME;
cb.cb_columns[1] = GET_COL_PROPERTY;
cb.cb_columns[2] = GET_COL_VALUE;
cb.cb_columns[3] = GET_COL_SOURCE;
memcpy(cb.cb_columns, col_cols,
sizeof (col_cols));
i = ZFS_GET_NCOLS;
break;
default:
(void) fprintf(stderr,
gettext("invalid column name "
"'%s'\n"), value);
usage(B_FALSE);
}
} else
cb.cb_columns[i++] = col_cols[c];
}
break;
case '?':