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authorKrishnan Parthasarathi <kp@gluster.com>2011-05-03 05:04:57 +0000
committerAnand Avati <avati@gluster.com>2011-05-04 05:00:11 -0700
commite3571d4aab9b727715f0e51d12e6e0596f0111ce (patch)
tree2c9871da15306ad8c4fdb028cbf4ff37daa3976d /xlators
parentf5708f4d0696529faf1fb0ad108123a76c816d78 (diff)
glusterd: Checked brick path length in 'staging'.
Added checks for brick path length in 'staging' of add/replace brick and create_volume subcommands. Signed-off-by: Krishnan Parthasarathi <kp@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2847 (volume creation fails if brick path is long) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2847
Diffstat (limited to 'xlators')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-op-sm.c35
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-store.c35
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-store.h2
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volgen.c34
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volgen.h3
5 files changed, 108 insertions, 1 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index b89e9b602..5954a7b6f 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -355,6 +355,18 @@ glusterd_op_stage_create_volume (dict_t *dict, char **op_errstr)
i++;
brick= strtok_r (brick_list, " \n", &tmpptr);
brick_list = tmpptr;
+
+ if (!glusterd_store_is_valid_brickpath (volname, brick) ||
+ !glusterd_is_valid_volfpath (volname, brick)) {
+ snprintf (msg, sizeof (msg), "brick path %s is too "
+ "long.", brick);
+ gf_log ("", GF_LOG_ERROR, "%s", msg);
+ *op_errstr = gf_strdup (msg);
+
+ ret = -1;
+ goto out;
+ }
+
ret = glusterd_brickinfo_from_brick (brick, &brick_info);
if (ret)
goto out;
@@ -691,6 +703,18 @@ glusterd_op_stage_add_brick (dict_t *dict, char **op_errstr)
while ( i < count) {
+ if (!glusterd_store_is_valid_brickpath (volname, brick) ||
+ !glusterd_is_valid_volfpath (volname, brick)) {
+ snprintf (msg, sizeof (msg), "brick path %s is too "
+ "long.", brick);
+ gf_log ("", GF_LOG_ERROR, "%s", msg);
+ *op_errstr = gf_strdup (msg);
+
+ ret = -1;
+ goto out;
+
+ }
+
ret = glusterd_volume_brickinfo_get_by_brick (brick, volinfo,
&brickinfo);
if (!ret) {
@@ -888,6 +912,17 @@ glusterd_op_stage_replace_brick (dict_t *dict, char **op_errstr,
goto out;
}
+ if (!glusterd_store_is_valid_brickpath (volname, dst_brick) ||
+ !glusterd_is_valid_volfpath (volname, dst_brick)) {
+ snprintf (msg, sizeof (msg), "brick path %s is too "
+ "long.", dst_brick);
+ gf_log ("", GF_LOG_ERROR, "%s", msg);
+ *op_errstr = gf_strdup (msg);
+
+ ret = -1;
+ goto out;
+ }
+
ret = glusterd_check_gsync_running (volinfo, &is_run);
if (ret && (is_run == _gf_false))
gf_log ("", GF_LOG_WARNING, "Unable to get the status"
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.c b/xlators/mgmt/glusterd/src/glusterd-store.c
index 4f296c52a..ab1dad827 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.c
+++ b/xlators/mgmt/glusterd/src/glusterd-store.c
@@ -227,6 +227,41 @@ glusterd_store_brickinfopath_set (glusterd_volinfo_t *volinfo,
snprintf (brickpath, len, "%s/%s", brickdirpath, brickfname);
}
+gf_boolean_t
+glusterd_store_is_valid_brickpath (char *volname, char *brick)
+{
+ char brickpath[PATH_MAX] = {0};
+ glusterd_brickinfo_t *brickinfo = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ int32_t ret = 0;
+
+ ret = glusterd_brickinfo_from_brick (brick, &brickinfo);
+ if (ret) {
+ gf_log ("", GF_LOG_WARNING, "brick path validation failed");
+ ret = 0;
+ goto out;
+ }
+ ret = glusterd_volinfo_new (&volinfo);
+ if (ret) {
+ gf_log ("", GF_LOG_WARNING, "brick path validation failed");
+ ret = 0;
+ goto out;
+ }
+ strncpy (volinfo->volname, volname, sizeof (volinfo->volname));
+ glusterd_store_brickinfopath_set (volinfo, brickinfo, brickpath,
+ sizeof (brickpath));
+
+ ret = (strlen (brickpath) < _POSIX_PATH_MAX);
+
+out:
+ if (brickinfo)
+ glusterd_brickinfo_delete (brickinfo);
+ if (volinfo)
+ glusterd_volinfo_delete (volinfo);
+
+ return ret;
+}
+
int32_t
glusterd_store_volinfo_brick_fname_write (int vol_fd,
glusterd_brickinfo_t *brickinfo,
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.h b/xlators/mgmt/glusterd/src/glusterd-store.h
index 0403c10f9..9d6462335 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.h
+++ b/xlators/mgmt/glusterd/src/glusterd-store.h
@@ -125,4 +125,6 @@ glusterd_restore ();
void
glusterd_perform_volinfo_version_action (glusterd_volinfo_t *volinfo,
glusterd_volinfo_ver_ac_t ac);
+gf_boolean_t
+glusterd_store_is_valid_brickpath (char *volname, char *brick);
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.c b/xlators/mgmt/glusterd/src/glusterd-volgen.c
index f7f3ddd11..4c7d066f4 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c
@@ -36,6 +36,7 @@
#include "cli1.h"
#include "glusterd-volgen.h"
#include "glusterd-op-sm.h"
+#include "glusterd-utils.h"
/* dispatch table for VOLUME SET
@@ -1867,6 +1868,39 @@ get_brick_filepath (char *filename, glusterd_volinfo_t *volinfo,
brick);
}
+gf_boolean_t
+glusterd_is_valid_volfpath (char *volname, char *brick)
+{
+ char volfpath[PATH_MAX] = {0,};
+ glusterd_brickinfo_t *brickinfo = NULL;
+ glusterd_volinfo_t *volinfo = NULL;
+ int32_t ret = 0;
+
+ ret = glusterd_brickinfo_from_brick (brick, &brickinfo);
+ if (ret) {
+ gf_log ("", GF_LOG_WARNING, "brick path validation failed");
+ ret = 0;
+ goto out;
+ }
+ ret = glusterd_volinfo_new (&volinfo);
+ if (ret) {
+ gf_log ("", GF_LOG_WARNING, "brick path validation failed");
+ ret = 0;
+ goto out;
+ }
+ strncpy (volinfo->volname, volname, sizeof (volinfo->volname));
+ get_brick_filepath (volfpath, volinfo, brickinfo);
+
+ ret = (strlen (volfpath) < _POSIX_PATH_MAX);
+
+out:
+ if (brickinfo)
+ glusterd_brickinfo_delete (brickinfo);
+ if (volinfo)
+ glusterd_volinfo_delete (volinfo);
+ return ret;
+}
+
static int
glusterd_generate_brick_volfile (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo)
diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.h b/xlators/mgmt/glusterd/src/glusterd-volgen.h
index 518ae94ad..014e64d88 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.h
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.h
@@ -62,6 +62,7 @@ int glusterd_validate_localopts (dict_t *val_dict, char **op_errstr);
gf_boolean_t glusterd_check_globaloption (char *key);
gf_boolean_t
glusterd_check_voloption_flags (char *key, int32_t flags);
-
+gf_boolean_t
+glusterd_is_valid_volfpath (char *volname, char *brick);
#endif