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https://github.com/xen-project/xen.git
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Juergen Gross
42630ceddf
Replace the current use of the unstable xc_domain_getinfo_single() interface with the stable domctl XEN_DOMCTL_get_domain_state call via the new libxenmanage library. This will remove the last usage of libxenctrl by Xenstore, so update the library dependencies accordingly. For now only do a direct replacement without using the functionality of obtaining information about domains having changed the state. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Anthony PERARD <anthony.perard@vates.tech>
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Live Update for Xen Store Daemon.
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* Copyright (C) 2022 Juergen Gross, SUSE LLC
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*/
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#include <syslog.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include "talloc.h"
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#include "core.h"
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#include "lu.h"
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#ifndef NO_LIVE_UPDATE
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char *lu_exec(const void *ctx, int argc, char **argv)
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{
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argv[0] = lu_status->filename;
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execvp(argv[0], argv);
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return "Error activating new binary.";
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}
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static const char *lu_binary(const void *ctx, struct connection *conn,
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const char *filename)
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{
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const char *ret;
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struct stat statbuf;
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syslog(LOG_INFO, "live-update: binary %s\n", filename);
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if (stat(filename, &statbuf))
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return "File not accessible.";
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if (!(statbuf.st_mode & (S_IXOTH | S_IXGRP | S_IXUSR)))
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return "File not executable.";
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ret = lu_begin(conn);
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if (ret)
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return ret;
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lu_status->filename = talloc_strdup(lu_status, filename);
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if (!lu_status->filename)
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return "Allocation failure.";
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errno = 0;
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return NULL;
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}
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const char *lu_arch(const void *ctx, struct connection *conn, const char **vec,
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int num)
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{
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if (num == 2 && !strcmp(vec[0], "-f"))
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return lu_binary(ctx, conn, vec[1]);
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errno = EINVAL;
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return NULL;
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}
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#endif
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