#include "c-ctype.h"
#include "glthread/lock.h"
-#include "ignore-value.h"
#include "guestfs.h"
#include "guestfs-internal.h"
#include "guestfs-internal-actions.h"
#include "guestfs_protocol.h"
-static int check_peer_euid (guestfs_h *g, int sock, uid_t *rtn);
static int qemu_supports (guestfs_h *g, const char *option);
/* Add a string to the current command line. */
return 0;
}
-int
-guestfs__add_drive_with_if (guestfs_h *g, const char *filename,
- const char *drive_if)
+/* cache=off improves reliability in the event of a host crash.
+ *
+ * However this option causes qemu to try to open the file with
+ * O_DIRECT. This fails on some filesystem types (notably tmpfs).
+ * So we check if we can open the file with or without O_DIRECT,
+ * and use cache=off (or not) accordingly.
+ */
+static int
+test_cache_off (guestfs_h *g, const char *filename)
{
- size_t len = strlen (filename) + 64;
- char buf[len];
-
- if (strchr (filename, ',') != NULL) {
- error (g, _("filename cannot contain ',' (comma) character"));
- return -1;
+ int fd = open (filename, O_RDONLY|O_DIRECT);
+ if (fd >= 0) {
+ close (fd);
+ return 1;
}
- /* cache=off improves reliability in the event of a host crash.
- *
- * However this option causes qemu to try to open the file with
- * O_DIRECT. This fails on some filesystem types (notably tmpfs).
- * So we check if we can open the file with or without O_DIRECT,
- * and use cache=off (or not) accordingly.
- *
- * This test also checks for the presence of the file, which
- * is a documented semantic of this interface.
- */
- int fd = open (filename, O_RDONLY|O_DIRECT);
+ fd = open (filename, O_RDONLY);
if (fd >= 0) {
close (fd);
- snprintf (buf, len, "file=%s,cache=off,if=%s", filename, drive_if);
- } else {
- fd = open (filename, O_RDONLY);
- if (fd >= 0) {
- close (fd);
- snprintf (buf, len, "file=%s,if=%s", filename, drive_if);
- } else {
- perrorf (g, "%s", filename);
- return -1;
- }
+ return 0;
}
- return guestfs__config (g, "-drive", buf);
+ perrorf (g, "%s", filename);
+ return -1;
+}
+
+/* Check string parameter matches ^[-_[:alnum:]]+$ (in C locale). */
+static int
+valid_format_iface (const char *str)
+{
+ size_t len = strlen (str);
+
+ if (len == 0)
+ return 0;
+
+ while (len > 0) {
+ char c = *str++;
+ len--;
+ if (c != '-' && c != '_' && !c_isalnum (c))
+ return 0;
+ }
+ return 1;
}
int
-guestfs__add_drive_ro_with_if (guestfs_h *g, const char *filename,
- const char *drive_if)
+guestfs__add_drive_opts (guestfs_h *g, const char *filename,
+ const struct guestfs_add_drive_opts_argv *optargs)
{
+ int readonly;
+ const char *format;
+ const char *iface;
+
if (strchr (filename, ',') != NULL) {
error (g, _("filename cannot contain ',' (comma) character"));
return -1;
}
- if (access (filename, F_OK) == -1) {
- perrorf (g, "%s", filename);
+ readonly = optargs->bitmask & GUESTFS_ADD_DRIVE_OPTS_READONLY_BITMASK
+ ? optargs->readonly : 0;
+ format = optargs->bitmask & GUESTFS_ADD_DRIVE_OPTS_FORMAT_BITMASK
+ ? optargs->format : NULL;
+ iface = optargs->bitmask & GUESTFS_ADD_DRIVE_OPTS_IFACE_BITMASK
+ ? optargs->iface : DRIVE_IF;
+
+ if (format && !valid_format_iface (format)) {
+ error (g, _("%s parameter is empty or contains disallowed characters"),
+ "format");
+ return -1;
+ }
+ if (!valid_format_iface (iface)) {
+ error (g, _("%s parameter is empty or contains disallowed characters"),
+ "iface");
+ return -1;
+ }
+
+ /* For writable files, see if we can use cache=off. This also
+ * checks for the existence of the file. For readonly we have
+ * to do the check explicitly.
+ */
+ int use_cache_off = readonly ? 0 : test_cache_off (g, filename);
+ if (use_cache_off == -1)
return -1;
+
+ if (readonly) {
+ if (access (filename, F_OK) == -1) {
+ perrorf (g, "%s", filename);
+ return -1;
+ }
}
- size_t len = strlen (filename) + 64;
+ /* Construct the final -drive parameter. */
+ size_t len = 64 + strlen (filename) + strlen (iface);
+ if (format) len += strlen (format);
char buf[len];
- snprintf (buf, len, "file=%s,snapshot=on,if=%s", filename, drive_if);
+ snprintf (buf, len, "file=%s%s%s%s%s,if=%s",
+ filename,
+ readonly ? ",snapshot=on" : "",
+ use_cache_off ? ",cache=off" : "",
+ format ? ",format=" : "",
+ format ? format : "",
+ iface);
return guestfs__config (g, "-drive", buf);
}
int
guestfs__add_drive (guestfs_h *g, const char *filename)
{
- return guestfs__add_drive_with_if (g, filename, DRIVE_IF);
+ struct guestfs_add_drive_opts_argv optargs = {
+ .bitmask = 0,
+ };
+
+ return guestfs__add_drive_opts (g, filename, &optargs);
}
int
guestfs__add_drive_ro (guestfs_h *g, const char *filename)
{
- return guestfs__add_drive_ro_with_if (g, filename, DRIVE_IF);
+ struct guestfs_add_drive_opts_argv optargs = {
+ .bitmask = GUESTFS_ADD_DRIVE_OPTS_READONLY_BITMASK,
+ .readonly = 1,
+ };
+
+ return guestfs__add_drive_opts (g, filename, &optargs);
+}
+
+int
+guestfs__add_drive_with_if (guestfs_h *g, const char *filename,
+ const char *iface)
+{
+ struct guestfs_add_drive_opts_argv optargs = {
+ .bitmask = GUESTFS_ADD_DRIVE_OPTS_IFACE_BITMASK,
+ .iface = iface,
+ };
+
+ return guestfs__add_drive_opts (g, filename, &optargs);
+}
+
+int
+guestfs__add_drive_ro_with_if (guestfs_h *g, const char *filename,
+ const char *iface)
+{
+ struct guestfs_add_drive_opts_argv optargs = {
+ .bitmask = GUESTFS_ADD_DRIVE_OPTS_IFACE_BITMASK
+ | GUESTFS_ADD_DRIVE_OPTS_READONLY_BITMASK,
+ .iface = iface,
+ .readonly = 1,
+ };
+
+ return guestfs__add_drive_opts (g, filename, &optargs);
}
int
}
static int is_openable (guestfs_h *g, const char *path, int flags);
-static void print_cmdline (guestfs_h *g);
int
guestfs__launch (guestfs_h *g)
int r;
int wfd[2], rfd[2];
int tries;
- int null_vmchannel_sock;
char unixsock[256];
struct sockaddr_un addr;
/* Make the temporary directory. */
if (!g->tmpdir) {
- const char *tmpdir = guestfs___tmpdir ();
- char dir_template[strlen (tmpdir) + 32];
- sprintf (dir_template, "%s/libguestfsXXXXXX", tmpdir);
-
+ TMP_TEMPLATE_ON_STACK (dir_template);
g->tmpdir = safe_strdup (g, dir_template);
if (mkdtemp (g->tmpdir) == NULL) {
perrorf (g, _("%s: cannot create temporary directory"), dir_template);
if (qemu_supports (g, NULL) == -1)
goto cleanup0;
- /* Choose which vmchannel implementation to use. */
- if (CAN_CHECK_PEER_EUID && qemu_supports (g, "-net user")) {
- /* The "null vmchannel" implementation. Requires SLIRP (user mode
- * networking in qemu) but no other vmchannel support. The daemon
- * will connect back to a random port number on localhost.
- */
- struct sockaddr_in addr;
- socklen_t addrlen = sizeof addr;
+ /* Using virtio-serial, we need to create a local Unix domain socket
+ * for qemu to connect to.
+ */
+ snprintf (unixsock, sizeof unixsock, "%s/sock", g->tmpdir);
+ unlink (unixsock);
- g->sock = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
- if (g->sock == -1) {
- perrorf (g, "socket");
- goto cleanup0;
- }
- addr.sin_family = AF_INET;
- addr.sin_port = htons (0);
- addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
- if (bind (g->sock, (struct sockaddr *) &addr, addrlen) == -1) {
- perrorf (g, "bind");
- goto cleanup0;
- }
+ g->sock = socket (AF_UNIX, SOCK_STREAM, 0);
+ if (g->sock == -1) {
+ perrorf (g, "socket");
+ goto cleanup0;
+ }
- if (listen (g->sock, 256) == -1) {
- perrorf (g, "listen");
- goto cleanup0;
- }
+ if (fcntl (g->sock, F_SETFL, O_NONBLOCK) == -1) {
+ perrorf (g, "fcntl");
+ goto cleanup0;
+ }
- if (getsockname (g->sock, (struct sockaddr *) &addr, &addrlen) == -1) {
- perrorf (g, "getsockname");
- goto cleanup0;
- }
+ addr.sun_family = AF_UNIX;
+ strncpy (addr.sun_path, unixsock, UNIX_PATH_MAX);
+ addr.sun_path[UNIX_PATH_MAX-1] = '\0';
- if (fcntl (g->sock, F_SETFL, O_NONBLOCK) == -1) {
- perrorf (g, "fcntl");
- goto cleanup0;
- }
+ if (bind (g->sock, &addr, sizeof addr) == -1) {
+ perrorf (g, "bind");
+ goto cleanup0;
+ }
- null_vmchannel_sock = ntohs (addr.sin_port);
- if (g->verbose)
- fprintf (stderr, "null_vmchannel_sock = %d\n", null_vmchannel_sock);
- } else {
- /* Using some vmchannel impl. We need to create a local Unix
- * domain socket for qemu to use.
- */
- snprintf (unixsock, sizeof unixsock, "%s/sock", g->tmpdir);
- unlink (unixsock);
- null_vmchannel_sock = 0;
+ if (listen (g->sock, 1) == -1) {
+ perrorf (g, "listen");
+ goto cleanup0;
}
if (!g->direct) {
if (r == 0) { /* Child (qemu). */
char buf[256];
- const char *vmchannel = NULL;
/* Set up the full command line. Do this in the subprocess so we
* don't need to worry about cleaning up.
*/
g->cmdline[0] = g->qemu;
+ if (qemu_supports (g, "-nodefconfig"))
+ add_cmdline (g, "-nodefconfig");
+
/* qemu sometimes needs this option to enable hardware
* virtualization, but some versions of 'qemu-kvm' will use KVM
* regardless (even where this option appears in the help text).
add_cmdline (g, "-nodefaults");
add_cmdline (g, "-nographic");
- add_cmdline (g, "-serial");
- add_cmdline (g, "stdio");
snprintf (buf, sizeof buf, "%d", g->memsize);
add_cmdline (g, "-m");
if (qemu_supports (g, "-rtc-td-hack"))
add_cmdline (g, "-rtc-td-hack");
- /* If qemu has SLIRP (user mode network) enabled then we can get
- * away with "no vmchannel", where we just connect back to a random
- * host port.
- */
- if (null_vmchannel_sock) {
- add_cmdline (g, "-net");
- add_cmdline (g, "user,vlan=0,net=" NETWORK);
-
- snprintf (buf, sizeof buf,
- "guestfs_vmchannel=tcp:" ROUTER ":%d",
- null_vmchannel_sock);
- vmchannel = strdup (buf);
- }
-
- /* New-style -net user,guestfwd=... syntax for guestfwd. See:
- *
- * http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=c92ef6a22d3c71538fcc48fb61ad353f7ba03b62
- *
- * The original suggested format doesn't work, see:
- *
- * http://lists.gnu.org/archive/html/qemu-devel/2009-07/msg01654.html
- *
- * However Gerd Hoffman privately suggested to me using -chardev
- * instead, which does work.
- */
- else if (qemu_supports (g, "-chardev") && qemu_supports (g, "guestfwd")) {
- snprintf (buf, sizeof buf,
- "socket,id=guestfsvmc,path=%s,server,nowait", unixsock);
-
- add_cmdline (g, "-chardev");
- add_cmdline (g, buf);
-
- snprintf (buf, sizeof buf,
- "user,vlan=0,net=" NETWORK ","
- "guestfwd=tcp:" GUESTFWD_ADDR ":" GUESTFWD_PORT
- "-chardev:guestfsvmc");
-
- add_cmdline (g, "-net");
- add_cmdline (g, buf);
-
- vmchannel = "guestfs_vmchannel=tcp:" GUESTFWD_ADDR ":" GUESTFWD_PORT;
- }
+ /* Create the virtio serial bus. */
+ add_cmdline (g, "-device");
+ add_cmdline (g, "virtio-serial");
- /* Not guestfwd. HOPEFULLY this qemu uses the older -net channel
- * syntax, or if not then we'll get a quick failure.
+#if 0
+ /* Use virtio-console (a variant form of virtio-serial) for the
+ * guest's serial console.
*/
- else {
- snprintf (buf, sizeof buf,
- "channel," GUESTFWD_PORT ":unix:%s,server,nowait", unixsock);
-
- add_cmdline (g, "-net");
- add_cmdline (g, buf);
- add_cmdline (g, "-net");
- add_cmdline (g, "user,vlan=0,net=" NETWORK);
+ add_cmdline (g, "-chardev");
+ add_cmdline (g, "stdio,id=console");
+ add_cmdline (g, "-device");
+ add_cmdline (g, "virtconsole,chardev=console,name=org.libguestfs.console.0");
+#else
+ /* When the above works ... until then: */
+ add_cmdline (g, "-serial");
+ add_cmdline (g, "stdio");
+#endif
- vmchannel = "guestfs_vmchannel=tcp:" GUESTFWD_ADDR ":" GUESTFWD_PORT;
+ /* Set up virtio-serial for the communications channel. */
+ add_cmdline (g, "-chardev");
+ snprintf (buf, sizeof buf, "socket,path=%s,id=channel0", unixsock);
+ add_cmdline (g, buf);
+ add_cmdline (g, "-device");
+ add_cmdline (g, "virtserialport,chardev=channel0,name=org.libguestfs.channel.0");
+
+ /* Enable user networking. */
+ if (g->enable_network) {
+ add_cmdline (g, "-netdev");
+ add_cmdline (g, "user,id=usernet,net=169.254.0.0/16");
+ add_cmdline (g, "-device");
+ add_cmdline (g, NET_IF ",netdev=usernet");
}
- add_cmdline (g, "-net");
- add_cmdline (g, "nic,model=" NET_IF ",vlan=0");
#define LINUX_CMDLINE \
"panic=1 " /* force kernel to panic if daemon exits */ \
snprintf (buf, sizeof buf,
LINUX_CMDLINE
"%s " /* (selinux) */
- "%s " /* (vmchannel) */
"%s " /* (verbose) */
"TERM=%s " /* (TERM environment variable) */
"%s", /* (append) */
g->selinux ? "selinux=1 enforcing=0" : "selinux=0",
- vmchannel ? vmchannel : "",
g->verbose ? "guestfs_verbose=1" : "",
getenv ("TERM") ? : "linux",
g->append ? g->append : "");
g->cmdline[g->cmdline_size-1] = NULL;
if (g->verbose)
- print_cmdline (g);
+ guestfs___print_timestamped_argv (g, (const char **)g->cmdline);
if (!g->direct) {
/* Set up stdin, stdout. */
kernel = NULL;
free (initrd);
initrd = NULL;
+ free (appliance);
+ appliance = NULL;
/* Fork the recovery process off which will kill qemu if the parent
* process fails to do so (eg. if the parent segfaults).
}
}
- if (null_vmchannel_sock) {
- int sock = -1;
- uid_t uid;
-
- /* Null vmchannel implementation: We listen on g->sock for a
- * connection. The connection could come from any local process
- * so we must check it comes from the appliance (or at least
- * from our UID) for security reasons.
- */
- while (sock == -1) {
- sock = guestfs___accept_from_daemon (g);
- if (sock == -1)
- goto cleanup1;
-
- if (check_peer_euid (g, sock, &uid) == -1)
- goto cleanup1;
- if (uid != geteuid ()) {
- fprintf (stderr,
- "libguestfs: warning: unexpected connection from UID %d to port %d\n",
- uid, null_vmchannel_sock);
- close (sock);
- sock = -1;
- continue;
- }
- }
-
- if (fcntl (sock, F_SETFL, O_NONBLOCK) == -1) {
- perrorf (g, "fcntl");
- goto cleanup1;
- }
-
- close (g->sock);
- g->sock = sock;
- } else {
- /* Other vmchannel. Open the Unix socket.
- *
- * The vmchannel implementation that got merged with qemu sucks in
- * a number of ways. Both ends do connect(2), which means that no
- * one knows what, if anything, is connected to the other end, or
- * if it becomes disconnected. Even worse, we have to wait some
- * indeterminate time for qemu to create the socket and connect to
- * it (which happens very early in qemu's start-up), so any code
- * that uses vmchannel is inherently racy. Hence this silly loop.
- */
- g->sock = socket (AF_UNIX, SOCK_STREAM, 0);
- if (g->sock == -1) {
- perrorf (g, "socket");
- goto cleanup1;
- }
+ g->state = LAUNCHING;
- if (fcntl (g->sock, F_SETFL, O_NONBLOCK) == -1) {
- perrorf (g, "fcntl");
- goto cleanup1;
- }
+ /* Wait for qemu to start and to connect back to us via
+ * virtio-serial and send the GUESTFS_LAUNCH_FLAG message.
+ */
+ r = guestfs___accept_from_daemon (g);
+ if (r == -1)
+ goto cleanup1;
- addr.sun_family = AF_UNIX;
- strncpy (addr.sun_path, unixsock, UNIX_PATH_MAX);
- addr.sun_path[UNIX_PATH_MAX-1] = '\0';
-
- tries = 100;
- /* Always sleep at least once to give qemu a small chance to start up. */
- usleep (10000);
- while (tries > 0) {
- r = connect (g->sock, (struct sockaddr *) &addr, sizeof addr);
- if ((r == -1 && errno == EINPROGRESS) || r == 0)
- goto connected;
-
- if (errno != ENOENT)
- perrorf (g, "connect");
- tries--;
- usleep (100000);
- }
+ close (g->sock); /* Close the listening socket. */
+ g->sock = r; /* This is the accepted data socket. */
- error (g, _("failed to connect to vmchannel socket"));
+ if (fcntl (g->sock, F_SETFL, O_NONBLOCK) == -1) {
+ perrorf (g, "fcntl");
goto cleanup1;
-
- connected: ;
}
- g->state = LAUNCHING;
-
- /* Wait for qemu to start and to connect back to us via vmchannel and
- * send the GUESTFS_LAUNCH_FLAG message.
- */
uint32_t size;
void *buf = NULL;
r = guestfs___recv_from_daemon (g, &size, &buf);
return -1;
}
+/* Return the location of the tmpdir (eg. "/tmp") and allow users
+ * to override it at runtime using $TMPDIR.
+ */
const char *
-guestfs___tmpdir (void)
+guestfs_tmpdir (void)
{
const char *tmpdir;
return tmpdir;
}
-/* This function is used to print the qemu command line before it gets
- * executed, when in verbose mode.
+/* Compute Y - X and return the result in milliseconds.
+ * Approximately the same as this code:
+ * http://www.mpp.mpg.de/~huber/util/timevaldiff.c
*/
-static void
-print_cmdline (guestfs_h *g)
+static int64_t
+timeval_diff (const struct timeval *x, const struct timeval *y)
+{
+ int64_t msec;
+
+ msec = (y->tv_sec - x->tv_sec) * 1000;
+ msec += (y->tv_usec - x->tv_usec) / 1000;
+ return msec;
+}
+
+void
+guestfs___print_timestamped_argv (guestfs_h *g, const char * argv[])
{
int i = 0;
int needs_quote;
- while (g->cmdline[i]) {
- if (g->cmdline[i][0] == '-') /* -option starts a new line */
+ struct timeval tv;
+ gettimeofday (&tv, NULL);
+ fprintf (stderr, "[%05" PRIi64 "ms] ", timeval_diff (&g->launch_t, &tv));
+
+ while (argv[i]) {
+ if (argv[i][0] == '-') /* -option starts a new line */
fprintf (stderr, " \\\n ");
if (i > 0) fputc (' ', stderr);
/* Does it need shell quoting? This only deals with simple cases. */
- needs_quote = strcspn (g->cmdline[i], " ") != strlen (g->cmdline[i]);
+ needs_quote = strcspn (argv[i], " ") != strlen (argv[i]);
if (needs_quote) fputc ('\'', stderr);
- fprintf (stderr, "%s", g->cmdline[i]);
+ fprintf (stderr, "%s", argv[i]);
if (needs_quote) fputc ('\'', stderr);
i++;
}
fputc ('\n', stderr);
}
-/* Compute Y - X and return the result in milliseconds.
- * Approximately the same as this code:
- * http://www.mpp.mpg.de/~huber/util/timevaldiff.c
- */
-static int64_t
-timeval_diff (const struct timeval *x, const struct timeval *y)
-{
- int64_t msec;
-
- msec = (y->tv_sec - x->tv_sec) * 1000;
- msec += (y->tv_usec - x->tv_usec) / 1000;
- return msec;
-}
-
void
guestfs___print_timestamped_message (guestfs_h *g, const char *fs, ...)
{
goto error;
snprintf (cmd, sizeof cmd, "LC_ALL=C '%s' -nographic -version 2>/dev/null",
- g->qemu);
+ g->qemu);
fp = popen (cmd, "r");
if (fp) {
return 1;
}
-/* Check the peer effective UID for a TCP socket. Ideally we'd like
- * SO_PEERCRED for a loopback TCP socket. This isn't possible on
- * Linux (but it is on Solaris!) so we read /proc/net/tcp instead.
- */
-static int
-check_peer_euid (guestfs_h *g, int sock, uid_t *rtn)
-{
-#if CAN_CHECK_PEER_EUID
- struct sockaddr_in peer;
- socklen_t addrlen = sizeof peer;
-
- if (getpeername (sock, (struct sockaddr *) &peer, &addrlen) == -1) {
- perrorf (g, "getpeername");
- return -1;
- }
-
- if (peer.sin_family != AF_INET ||
- ntohl (peer.sin_addr.s_addr) != INADDR_LOOPBACK) {
- error (g, "check_peer_euid: unexpected connection from non-IPv4, non-loopback peer (family = %d, addr = %s)",
- peer.sin_family, inet_ntoa (peer.sin_addr));
- return -1;
- }
-
- struct sockaddr_in our;
- addrlen = sizeof our;
- if (getsockname (sock, (struct sockaddr *) &our, &addrlen) == -1) {
- perrorf (g, "getsockname");
- return -1;
- }
-
- FILE *fp = fopen ("/proc/net/tcp", "r");
- if (fp == NULL) {
- perrorf (g, "/proc/net/tcp");
- return -1;
- }
-
- char line[256];
- if (fgets (line, sizeof line, fp) == NULL) { /* Drop first line. */
- error (g, "unexpected end of file in /proc/net/tcp");
- fclose (fp);
- return -1;
- }
-
- while (fgets (line, sizeof line, fp) != NULL) {
- unsigned line_our_addr, line_our_port, line_peer_addr, line_peer_port;
- int dummy0, dummy1, dummy2, dummy3, dummy4, dummy5, dummy6;
- int line_uid;
-
- if (sscanf (line, "%d:%08X:%04X %08X:%04X %02X %08X:%08X %02X:%08X %08X %d",
- &dummy0,
- &line_our_addr, &line_our_port,
- &line_peer_addr, &line_peer_port,
- &dummy1, &dummy2, &dummy3, &dummy4, &dummy5, &dummy6,
- &line_uid) == 12) {
- /* Note about /proc/net/tcp: local_address and rem_address are
- * always in network byte order. However the port part is
- * always in host byte order.
- *
- * The sockname and peername that we got above are in network
- * byte order. So we have to byte swap the port but not the
- * address part.
- */
- if (line_our_addr == our.sin_addr.s_addr &&
- line_our_port == ntohs (our.sin_port) &&
- line_peer_addr == peer.sin_addr.s_addr &&
- line_peer_port == ntohs (peer.sin_port)) {
- *rtn = line_uid;
- fclose (fp);
- return 0;
- }
- }
- }
-
- error (g, "check_peer_euid: no matching TCP connection found in /proc/net/tcp");
- fclose (fp);
- return -1;
-#else /* !CAN_CHECK_PEER_EUID */
- /* This function exists but should never be called in this
- * configuration.
- */
- abort ();
-#endif /* !CAN_CHECK_PEER_EUID */
-}
-
/* You had to call this function after launch in versions <= 1.0.70,
* but it is now a no-op.
*/
git.annexia.org / libguestfs.git / blobdiff