* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#define _GNU_SOURCE // for strchrnul
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include <ctype.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
+
#include "daemon.h"
#include "../src/guestfs_protocol.h"
#include "actions.h"
free_strings (r);
}
+static void pvs_stub (XDR *xdr_in)
+{
+ char **r;
+
+ r = do_pvs ();
+ if (r == NULL)
+ /* do_pvs has already called reply_with_error, so just return */
+ return;
+
+ struct guestfs_pvs_ret ret;
+ ret.physvols.physvols_len = count_strings (r);
+ ret.physvols.physvols_val = r;
+ reply ((xdrproc_t) &xdr_guestfs_pvs_ret, (char *) &ret);
+ free_strings (r);
+}
+
+static void vgs_stub (XDR *xdr_in)
+{
+ char **r;
+
+ r = do_vgs ();
+ if (r == NULL)
+ /* do_vgs has already called reply_with_error, so just return */
+ return;
+
+ struct guestfs_vgs_ret ret;
+ ret.volgroups.volgroups_len = count_strings (r);
+ ret.volgroups.volgroups_val = r;
+ reply ((xdrproc_t) &xdr_guestfs_vgs_ret, (char *) &ret);
+ free_strings (r);
+}
+
+static void lvs_stub (XDR *xdr_in)
+{
+ char **r;
+
+ r = do_lvs ();
+ if (r == NULL)
+ /* do_lvs has already called reply_with_error, so just return */
+ return;
+
+ struct guestfs_lvs_ret ret;
+ ret.logvols.logvols_len = count_strings (r);
+ ret.logvols.logvols_val = r;
+ reply ((xdrproc_t) &xdr_guestfs_lvs_ret, (char *) &ret);
+ free_strings (r);
+}
+
+static void pvs_full_stub (XDR *xdr_in)
+{
+ guestfs_lvm_int_pv_list *r;
+
+ r = do_pvs_full ();
+ if (r == NULL)
+ /* do_pvs_full has already called reply_with_error, so just return */
+ return;
+
+ struct guestfs_pvs_full_ret ret;
+ ret.physvols = *r;
+ reply ((xdrproc_t) &xdr_guestfs_pvs_full_ret, (char *) &ret);
+ xdr_free ((xdrproc_t) xdr_guestfs_pvs_full_ret, (char *) &ret);
+}
+
+static void vgs_full_stub (XDR *xdr_in)
+{
+ guestfs_lvm_int_vg_list *r;
+
+ r = do_vgs_full ();
+ if (r == NULL)
+ /* do_vgs_full has already called reply_with_error, so just return */
+ return;
+
+ struct guestfs_vgs_full_ret ret;
+ ret.volgroups = *r;
+ reply ((xdrproc_t) &xdr_guestfs_vgs_full_ret, (char *) &ret);
+ xdr_free ((xdrproc_t) xdr_guestfs_vgs_full_ret, (char *) &ret);
+}
+
+static void lvs_full_stub (XDR *xdr_in)
+{
+ guestfs_lvm_int_lv_list *r;
+
+ r = do_lvs_full ();
+ if (r == NULL)
+ /* do_lvs_full has already called reply_with_error, so just return */
+ return;
+
+ struct guestfs_lvs_full_ret ret;
+ ret.logvols = *r;
+ reply ((xdrproc_t) &xdr_guestfs_lvs_full_ret, (char *) &ret);
+ xdr_free ((xdrproc_t) xdr_guestfs_lvs_full_ret, (char *) &ret);
+}
+
void dispatch_incoming_message (XDR *xdr_in)
{
switch (proc_nr) {
case GUESTFS_PROC_LIST_PARTITIONS:
list_partitions_stub (xdr_in);
break;
+ case GUESTFS_PROC_PVS:
+ pvs_stub (xdr_in);
+ break;
+ case GUESTFS_PROC_VGS:
+ vgs_stub (xdr_in);
+ break;
+ case GUESTFS_PROC_LVS:
+ lvs_stub (xdr_in);
+ break;
+ case GUESTFS_PROC_PVS_FULL:
+ pvs_full_stub (xdr_in);
+ break;
+ case GUESTFS_PROC_VGS_FULL:
+ vgs_full_stub (xdr_in);
+ break;
+ case GUESTFS_PROC_LVS_FULL:
+ lvs_full_stub (xdr_in);
+ break;
default:
reply_with_error ("dispatch_incoming_message: unknown procedure number %d", proc_nr);
}
}
+
+static const char *lvm_pv_cols = "pv_name,pv_uuid,pv_fmt,pv_size,dev_size,pv_free,pv_used,pv_attr,pv_pe_count,pv_pe_alloc_count,pv_tags,pe_start,pv_mda_count,pv_mda_free";
+
+static int lvm_tokenize_pv (char *str, struct guestfs_lvm_int_pv *r)
+{
+ char *tok, *p, *next;
+ int i, j;
+
+ if (!str) {
+ fprintf (stderr, "%s: failed: passed a NULL string\n", __func__);
+ return -1;
+ }
+ if (!*str || isspace (*str)) {
+ fprintf (stderr, "%s: failed: passed a empty string or one beginning with whitespace\n", __func__);
+ return -1;
+ }
+ tok = str;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_name");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->pv_name = strdup (tok);
+ if (r->pv_name == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_uuid");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ for (i = j = 0; i < 32; ++j) {
+ if (tok[j] == '\0') {
+ fprintf (stderr, "%s: failed to parse UUID from '%s'\n", __func__, tok);
+ return -1;
+ } else if (tok[j] != '-')
+ r->pv_uuid[i++] = tok[j];
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_fmt");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->pv_fmt = strdup (tok);
+ if (r->pv_fmt == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_size");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->pv_size) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "pv_size");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "dev_size");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->dev_size) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "dev_size");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_free");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->pv_free) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "pv_free");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_used");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->pv_used) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "pv_used");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_attr");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->pv_attr = strdup (tok);
+ if (r->pv_attr == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_pe_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->pv_pe_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "pv_pe_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_pe_alloc_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->pv_pe_alloc_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "pv_pe_alloc_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_tags");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->pv_tags = strdup (tok);
+ if (r->pv_tags == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pe_start");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->pe_start) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "pe_start");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_mda_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->pv_mda_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "pv_mda_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_mda_free");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->pv_mda_free) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "pv_mda_free");
+ return -1;
+ }
+ tok = next;
+ if (tok != NULL) {
+ fprintf (stderr, "%s: failed: extra tokens at end of string\n", __func__);
+ return -1;
+ }
+ return 0;
+}
+
+guestfs_lvm_int_pv_list *
+parse_command_line_pvs (void)
+{
+ char *out, *err;
+ char *p, *pend;
+ int r, i;
+ guestfs_lvm_int_pv_list *ret;
+ void *newp;
+
+ ret = malloc (sizeof *ret);
+ if (!ret) {
+ reply_with_perror ("malloc");
+ return NULL;
+ }
+
+ ret->guestfs_lvm_int_pv_list_len = 0;
+ ret->guestfs_lvm_int_pv_list_val = NULL;
+
+ r = command (&out, &err,
+ "/sbin/lvm", "pvs",
+ "-o", lvm_pv_cols, "--unbuffered", "--noheadings",
+ "--nosuffix", "--separator", ",", "--units", "b", NULL);
+ if (r == -1) {
+ reply_with_error ("%s", err);
+ free (out);
+ free (err);
+ return NULL;
+ }
+
+ free (err);
+
+ /* Tokenize each line of the output. */
+ p = out;
+ i = 0;
+ while (p) {
+ pend = strchr (p, '\n'); /* Get the next line of output. */
+ if (pend) {
+ *pend = '\0';
+ pend++;
+ }
+
+ while (*p && isspace (*p)) /* Skip any leading whitespace. */
+ p++;
+
+ if (!*p) { /* Empty line? Skip it. */
+ p = pend;
+ continue;
+ }
+
+ /* Allocate some space to store this next entry. */
+ newp = realloc (ret->guestfs_lvm_int_pv_list_val,
+ sizeof (guestfs_lvm_int_pv) * (i+1));
+ if (newp == NULL) {
+ reply_with_perror ("realloc");
+ free (ret->guestfs_lvm_int_pv_list_val);
+ free (ret);
+ free (out);
+ return NULL;
+ }
+ ret->guestfs_lvm_int_pv_list_val = newp;
+
+ /* Tokenize the next entry. */
+ r = lvm_tokenize_pv (p, &ret->guestfs_lvm_int_pv_list_val[i]);
+ if (r == -1) {
+ reply_with_error ("failed to parse output of 'pvs' command");
+ free (ret->guestfs_lvm_int_pv_list_val);
+ free (ret);
+ free (out);
+ return NULL;
+ }
+
+ ++i;
+ p = pend;
+ }
+
+ ret->guestfs_lvm_int_pv_list_len = i;
+
+ free (out);
+ return ret;
+}
+static const char *lvm_vg_cols = "vg_name,vg_uuid,vg_fmt,vg_attr,vg_size,vg_free,vg_sysid,vg_extent_size,vg_extent_count,vg_free_count,max_lv,max_pv,pv_count,lv_count,snap_count,vg_seqno,vg_tags,vg_mda_count,vg_mda_free";
+
+static int lvm_tokenize_vg (char *str, struct guestfs_lvm_int_vg *r)
+{
+ char *tok, *p, *next;
+ int i, j;
+
+ if (!str) {
+ fprintf (stderr, "%s: failed: passed a NULL string\n", __func__);
+ return -1;
+ }
+ if (!*str || isspace (*str)) {
+ fprintf (stderr, "%s: failed: passed a empty string or one beginning with whitespace\n", __func__);
+ return -1;
+ }
+ tok = str;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_name");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->vg_name = strdup (tok);
+ if (r->vg_name == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_uuid");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ for (i = j = 0; i < 32; ++j) {
+ if (tok[j] == '\0') {
+ fprintf (stderr, "%s: failed to parse UUID from '%s'\n", __func__, tok);
+ return -1;
+ } else if (tok[j] != '-')
+ r->vg_uuid[i++] = tok[j];
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_fmt");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->vg_fmt = strdup (tok);
+ if (r->vg_fmt == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_attr");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->vg_attr = strdup (tok);
+ if (r->vg_attr == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_size");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->vg_size) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "vg_size");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_free");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->vg_free) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "vg_free");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_sysid");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->vg_sysid = strdup (tok);
+ if (r->vg_sysid == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_extent_size");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->vg_extent_size) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "vg_extent_size");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_extent_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->vg_extent_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "vg_extent_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_free_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->vg_free_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "vg_free_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "max_lv");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->max_lv) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "max_lv");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "max_pv");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->max_pv) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "max_pv");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "pv_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->pv_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "pv_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->lv_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "lv_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "snap_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->snap_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "snap_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_seqno");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->vg_seqno) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "vg_seqno");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_tags");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->vg_tags = strdup (tok);
+ if (r->vg_tags == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_mda_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->vg_mda_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "vg_mda_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "vg_mda_free");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->vg_mda_free) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "vg_mda_free");
+ return -1;
+ }
+ tok = next;
+ if (tok != NULL) {
+ fprintf (stderr, "%s: failed: extra tokens at end of string\n", __func__);
+ return -1;
+ }
+ return 0;
+}
+
+guestfs_lvm_int_vg_list *
+parse_command_line_vgs (void)
+{
+ char *out, *err;
+ char *p, *pend;
+ int r, i;
+ guestfs_lvm_int_vg_list *ret;
+ void *newp;
+
+ ret = malloc (sizeof *ret);
+ if (!ret) {
+ reply_with_perror ("malloc");
+ return NULL;
+ }
+
+ ret->guestfs_lvm_int_vg_list_len = 0;
+ ret->guestfs_lvm_int_vg_list_val = NULL;
+
+ r = command (&out, &err,
+ "/sbin/lvm", "vgs",
+ "-o", lvm_vg_cols, "--unbuffered", "--noheadings",
+ "--nosuffix", "--separator", ",", "--units", "b", NULL);
+ if (r == -1) {
+ reply_with_error ("%s", err);
+ free (out);
+ free (err);
+ return NULL;
+ }
+
+ free (err);
+
+ /* Tokenize each line of the output. */
+ p = out;
+ i = 0;
+ while (p) {
+ pend = strchr (p, '\n'); /* Get the next line of output. */
+ if (pend) {
+ *pend = '\0';
+ pend++;
+ }
+
+ while (*p && isspace (*p)) /* Skip any leading whitespace. */
+ p++;
+
+ if (!*p) { /* Empty line? Skip it. */
+ p = pend;
+ continue;
+ }
+
+ /* Allocate some space to store this next entry. */
+ newp = realloc (ret->guestfs_lvm_int_vg_list_val,
+ sizeof (guestfs_lvm_int_vg) * (i+1));
+ if (newp == NULL) {
+ reply_with_perror ("realloc");
+ free (ret->guestfs_lvm_int_vg_list_val);
+ free (ret);
+ free (out);
+ return NULL;
+ }
+ ret->guestfs_lvm_int_vg_list_val = newp;
+
+ /* Tokenize the next entry. */
+ r = lvm_tokenize_vg (p, &ret->guestfs_lvm_int_vg_list_val[i]);
+ if (r == -1) {
+ reply_with_error ("failed to parse output of 'vgs' command");
+ free (ret->guestfs_lvm_int_vg_list_val);
+ free (ret);
+ free (out);
+ return NULL;
+ }
+
+ ++i;
+ p = pend;
+ }
+
+ ret->guestfs_lvm_int_vg_list_len = i;
+
+ free (out);
+ return ret;
+}
+static const char *lvm_lv_cols = "lv_name,lv_uuid,lv_attr,lv_major,lv_minor,lv_kernel_major,lv_kernel_minor,lv_size,seg_count,origin,snap_percent,copy_percent,move_pv,lv_tags,mirror_log,modules";
+
+static int lvm_tokenize_lv (char *str, struct guestfs_lvm_int_lv *r)
+{
+ char *tok, *p, *next;
+ int i, j;
+
+ if (!str) {
+ fprintf (stderr, "%s: failed: passed a NULL string\n", __func__);
+ return -1;
+ }
+ if (!*str || isspace (*str)) {
+ fprintf (stderr, "%s: failed: passed a empty string or one beginning with whitespace\n", __func__);
+ return -1;
+ }
+ tok = str;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_name");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->lv_name = strdup (tok);
+ if (r->lv_name == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_uuid");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ for (i = j = 0; i < 32; ++j) {
+ if (tok[j] == '\0') {
+ fprintf (stderr, "%s: failed to parse UUID from '%s'\n", __func__, tok);
+ return -1;
+ } else if (tok[j] != '-')
+ r->lv_uuid[i++] = tok[j];
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_attr");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->lv_attr = strdup (tok);
+ if (r->lv_attr == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_major");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->lv_major) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "lv_major");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_minor");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->lv_minor) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "lv_minor");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_kernel_major");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->lv_kernel_major) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "lv_kernel_major");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_kernel_minor");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->lv_kernel_minor) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "lv_kernel_minor");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_size");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNu64, &r->lv_size) != 1) {
+ fprintf (stderr, "%s: failed to parse size '%s' from token %s\n", __func__, tok, "lv_size");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "seg_count");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (sscanf (tok, "%"SCNi64, &r->seg_count) != 1) {
+ fprintf (stderr, "%s: failed to parse int '%s' from token %s\n", __func__, tok, "seg_count");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "origin");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->origin = strdup (tok);
+ if (r->origin == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "snap_percent");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (tok[0] == '\0')
+ r->snap_percent = -1;
+ else if (sscanf (tok, "%f", &r->snap_percent) != 1) {
+ fprintf (stderr, "%s: failed to parse float '%s' from token %s\n", __func__, tok, "snap_percent");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "copy_percent");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ if (tok[0] == '\0')
+ r->copy_percent = -1;
+ else if (sscanf (tok, "%f", &r->copy_percent) != 1) {
+ fprintf (stderr, "%s: failed to parse float '%s' from token %s\n", __func__, tok, "copy_percent");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "move_pv");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->move_pv = strdup (tok);
+ if (r->move_pv == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "lv_tags");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->lv_tags = strdup (tok);
+ if (r->lv_tags == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "mirror_log");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->mirror_log = strdup (tok);
+ if (r->mirror_log == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (!tok) {
+ fprintf (stderr, "%s: failed: string finished early, around token %s\n", __func__, "modules");
+ return -1;
+ }
+ p = strchrnul (tok, ',');
+ if (*p) next = p+1; else next = NULL;
+ *p = '\0';
+ r->modules = strdup (tok);
+ if (r->modules == NULL) {
+ perror ("strdup");
+ return -1;
+ }
+ tok = next;
+ if (tok != NULL) {
+ fprintf (stderr, "%s: failed: extra tokens at end of string\n", __func__);
+ return -1;
+ }
+ return 0;
+}
+
+guestfs_lvm_int_lv_list *
+parse_command_line_lvs (void)
+{
+ char *out, *err;
+ char *p, *pend;
+ int r, i;
+ guestfs_lvm_int_lv_list *ret;
+ void *newp;
+
+ ret = malloc (sizeof *ret);
+ if (!ret) {
+ reply_with_perror ("malloc");
+ return NULL;
+ }
+
+ ret->guestfs_lvm_int_lv_list_len = 0;
+ ret->guestfs_lvm_int_lv_list_val = NULL;
+
+ r = command (&out, &err,
+ "/sbin/lvm", "lvs",
+ "-o", lvm_lv_cols, "--unbuffered", "--noheadings",
+ "--nosuffix", "--separator", ",", "--units", "b", NULL);
+ if (r == -1) {
+ reply_with_error ("%s", err);
+ free (out);
+ free (err);
+ return NULL;
+ }
+
+ free (err);
+
+ /* Tokenize each line of the output. */
+ p = out;
+ i = 0;
+ while (p) {
+ pend = strchr (p, '\n'); /* Get the next line of output. */
+ if (pend) {
+ *pend = '\0';
+ pend++;
+ }
+
+ while (*p && isspace (*p)) /* Skip any leading whitespace. */
+ p++;
+
+ if (!*p) { /* Empty line? Skip it. */
+ p = pend;
+ continue;
+ }
+
+ /* Allocate some space to store this next entry. */
+ newp = realloc (ret->guestfs_lvm_int_lv_list_val,
+ sizeof (guestfs_lvm_int_lv) * (i+1));
+ if (newp == NULL) {
+ reply_with_perror ("realloc");
+ free (ret->guestfs_lvm_int_lv_list_val);
+ free (ret);
+ free (out);
+ return NULL;
+ }
+ ret->guestfs_lvm_int_lv_list_val = newp;
+
+ /* Tokenize the next entry. */
+ r = lvm_tokenize_lv (p, &ret->guestfs_lvm_int_lv_list_val[i]);
+ if (r == -1) {
+ reply_with_error ("failed to parse output of 'lvs' command");
+ free (ret->guestfs_lvm_int_lv_list_val);
+ free (ret);
+ free (out);
+ return NULL;
+ }
+
+ ++i;
+ p = pend;
+ }
+
+ ret->guestfs_lvm_int_lv_list_len = i;
+
+ free (out);
+ return ret;
+}
git.annexia.org / libguestfs.git / blobdiff