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net: Remove the deprecated -tftp, -bootp, -redir and -smb options 

These options likely do not work as expected as soon as the user
tries to use more than one network interface at once. The parameters
have been marked as deprecated since QEMU v2.6, so users had plenty
of time to move their scripts to the new syntax. Time to remove the
old parameters now.

Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Acked-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2018-08-22 15:43:30 +02:00
parent fdaf2d5885
commit d18572dd9a
7 changed files with 29 additions and 185 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/net/net.h
View File

@ -201,9 +201,6 @@ extern NICInfo nd_table[MAX_NICS];
extern const char *host_net_devices[];
/* from net.c */
extern const char *legacy_tftp_prefix;
extern const char *legacy_bootp_filename;
int net_client_parse(QemuOptsList *opts_list, const char *str);
int net_init_clients(Error **errp);
void net_check_clients(void);

4
include/net/slirp.h
View File

@ -30,10 +30,6 @@
void hmp_hostfwd_add(Monitor *mon, const QDict *qdict);
void hmp_hostfwd_remove(Monitor *mon, const QDict *qdict);
int net_slirp_redir(const char *redir_str);
int net_slirp_smb(const char *exported_dir);
void hmp_info_usernet(Monitor *mon, const QDict *qdict);
#endif

132
net/slirp.c
View File

@ -67,13 +67,11 @@ static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
/* slirp network adapter */
#define SLIRP_CFG_HOSTFWD 1
#define SLIRP_CFG_LEGACY 2
struct slirp_config_str {
struct slirp_config_str *next;
int flags;
char str[1024];
int legacy_format;
};
typedef struct SlirpState {
@ -87,19 +85,13 @@ typedef struct SlirpState {
} SlirpState;
static struct slirp_config_str *slirp_configs;
const char *legacy_tftp_prefix;
const char *legacy_bootp_filename;
static QTAILQ_HEAD(slirp_stacks, SlirpState) slirp_stacks =
QTAILQ_HEAD_INITIALIZER(slirp_stacks);
static int slirp_hostfwd(SlirpState *s, const char *redir_str,
int legacy_format, Error **errp);
static int slirp_guestfwd(SlirpState *s, const char *config_str,
int legacy_format, Error **errp);
static int slirp_hostfwd(SlirpState *s, const char *redir_str, Error **errp);
static int slirp_guestfwd(SlirpState *s, const char *config_str, Error **errp);
#ifndef _WIN32
static const char *legacy_smb_export;
static int slirp_smb(SlirpState *s, const char *exported_dir,
struct in_addr vserver_addr, Error **errp);
static void slirp_smb_cleanup(SlirpState *s);
@ -196,13 +188,6 @@ static int net_slirp_init(NetClientState *peer, const char *model,
return -1;
}
if (!tftp_export) {
tftp_export = legacy_tftp_prefix;
}
if (!bootfile) {
bootfile = legacy_bootp_filename;
}
if (vnetwork) {
if (get_str_sep(buf, sizeof(buf), &vnetwork, '/') < 0) {
if (!inet_aton(vnetwork, &net)) {
@ -382,21 +367,16 @@ static int net_slirp_init(NetClientState *peer, const char *model,
for (config = slirp_configs; config; config = config->next) {
if (config->flags & SLIRP_CFG_HOSTFWD) {
if (slirp_hostfwd(s, config->str,
config->flags & SLIRP_CFG_LEGACY, errp) < 0) {
if (slirp_hostfwd(s, config->str, errp) < 0) {
goto error;
}
} else {
if (slirp_guestfwd(s, config->str,
config->flags & SLIRP_CFG_LEGACY, errp) < 0) {
if (slirp_guestfwd(s, config->str, errp) < 0) {
goto error;
}
}
}
#ifndef _WIN32
if (!smb_export) {
smb_export = legacy_smb_export;
}
if (smb_export) {
if (slirp_smb(s, smb_export, smbsrv, errp) < 0) {
goto error;
@ -506,8 +486,7 @@ void hmp_hostfwd_remove(Monitor *mon, const QDict *qdict)
monitor_printf(mon, "invalid format\n");
}
static int slirp_hostfwd(SlirpState *s, const char *redir_str,
int legacy_format, Error **errp)
static int slirp_hostfwd(SlirpState *s, const char *redir_str, Error **errp)
{
struct in_addr host_addr = { .s_addr = INADDR_ANY };
struct in_addr guest_addr = { .s_addr = 0 };
@ -532,18 +511,16 @@ static int slirp_hostfwd(SlirpState *s, const char *redir_str,
goto fail_syntax;
}
if (!legacy_format) {
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
fail_reason = "Missing : separator";
goto fail_syntax;
}
if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) {
fail_reason = "Bad host address";
goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
fail_reason = "Missing : separator";
goto fail_syntax;
}
if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) {
fail_reason = "Bad host address";
goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, legacy_format ? ':' : '-') < 0) {
if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) {
fail_reason = "Bad host port separator";
goto fail_syntax;
}
@ -602,35 +579,13 @@ void hmp_hostfwd_add(Monitor *mon, const QDict *qdict)
}
if (s) {
Error *err = NULL;
if (slirp_hostfwd(s, redir_str, 0, &err) < 0) {
if (slirp_hostfwd(s, redir_str, &err) < 0) {
error_report_err(err);
}
}
}
int net_slirp_redir(const char *redir_str)
{
struct slirp_config_str *config;
Error *err = NULL;
int res;
if (QTAILQ_EMPTY(&slirp_stacks)) {
config = g_malloc(sizeof(*config));
pstrcpy(config->str, sizeof(config->str), redir_str);
config->flags = SLIRP_CFG_HOSTFWD | SLIRP_CFG_LEGACY;
config->next = slirp_configs;
slirp_configs = config;
return 0;
}
res = slirp_hostfwd(QTAILQ_FIRST(&slirp_stacks), redir_str, 1, &err);
if (res < 0) {
error_report_err(err);
}
return res;
}
#ifndef _WIN32
/* automatic user mode samba server configuration */
@ -746,28 +701,6 @@ static int slirp_smb(SlirpState* s, const char *exported_dir,
return 0;
}
/* automatic user mode samba server configuration (legacy interface) */
int net_slirp_smb(const char *exported_dir)
{
struct in_addr vserver_addr = { .s_addr = 0 };
if (legacy_smb_export) {
fprintf(stderr, "-smb given twice\n");
return -1;
}
legacy_smb_export = exported_dir;
if (!QTAILQ_EMPTY(&slirp_stacks)) {
Error *err = NULL;
int res = slirp_smb(QTAILQ_FIRST(&slirp_stacks), exported_dir,
vserver_addr, &err);
if (res < 0) {
error_report_err(err);
}
return res;
}
return 0;
}
#endif /* !defined(_WIN32) */
struct GuestFwd {
@ -789,8 +722,7 @@ static void guestfwd_read(void *opaque, const uint8_t *buf, int size)
slirp_socket_recv(fwd->slirp, fwd->server, fwd->port, buf, size);
}
static int slirp_guestfwd(SlirpState *s, const char *config_str,
int legacy_format, Error **errp)
static int slirp_guestfwd(SlirpState *s, const char *config_str, Error **errp)
{
struct in_addr server = { .s_addr = 0 };
struct GuestFwd *fwd;
@ -800,26 +732,20 @@ static int slirp_guestfwd(SlirpState *s, const char *config_str,
int port;
p = config_str;
if (legacy_format) {
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
goto fail_syntax;
}
} else {
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
goto fail_syntax;
}
if (strcmp(buf, "tcp") && buf[0] != '\0') {
goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
goto fail_syntax;
}
if (buf[0] != '\0' && !inet_aton(buf, &server)) {
goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) {
goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
goto fail_syntax;
}
if (strcmp(buf, "tcp") && buf[0] != '\0') {
goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
goto fail_syntax;
}
if (buf[0] != '\0' && !inet_aton(buf, &server)) {
goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) {
goto fail_syntax;
}
port = strtol(buf, &end, 10);
if (*end != '\0' || port < 1 || port > 65535) {

8
os-posix.c
View File

@ -168,14 +168,6 @@ static bool os_parse_runas_uid_gid(const char *optarg)
int os_parse_cmd_args(int index, const char *optarg)
{
switch (index) {
#ifdef CONFIG_SLIRP
case QEMU_OPTION_smb:
error_report("The -smb option is deprecated. "
"Please use '-netdev user,smb=...' instead.");
if (net_slirp_smb(optarg) < 0)
exit(1);
break;
#endif
case QEMU_OPTION_runas:
user_pwd = getpwnam(optarg);
if (user_pwd) {

34
qemu-deprecated.texi
View File

@ -40,40 +40,6 @@ which is the default.
The ``-no-kvm'' argument is now a synonym for setting
``-machine accel=tcg''.
@subsection -tftp (since 2.6.0)
The ``-tftp /some/dir'' argument is replaced by either
``-netdev user,id=x,tftp=/some/dir '' (for pluggable NICs, accompanied
with ``-device ...,netdev=x''), or ``-nic user,tftp=/some/dir''
(for embedded NICs). The new syntax allows different settings to be
provided per NIC.
@subsection -bootp (since 2.6.0)
The ``-bootp /some/file'' argument is replaced by either
``-netdev user,id=x,bootp=/some/file '' (for pluggable NICs, accompanied
with ``-device ...,netdev=x''), or ``-nic user,bootp=/some/file''
(for embedded NICs). The new syntax allows different settings to be
provided per NIC.
@subsection -redir (since 2.6.0)
The ``-redir [tcp|udp]:hostport:[guestaddr]:guestport'' argument is
replaced by either
``-netdev user,id=x,hostfwd=[tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport''
(for pluggable NICs, accompanied with ``-device ...,netdev=x'') or
``-nic user,hostfwd=[tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport''
(for embedded NICs). The new syntax allows different settings to be
provided per NIC.
@subsection -smb (since 2.6.0)
The ``-smb /some/dir'' argument is replaced by either
``-netdev user,id=x,smb=/some/dir '' (for pluggable NICs, accompanied
with ``-device ...,netdev=x''), or ``-nic user,smb=/some/dir''
(for embedded NICs). The new syntax allows different settings to be
provided per NIC.
@subsection -usbdevice (since 2.10.0)
The ``-usbdevice DEV'' argument is now a synonym for setting

15
qemu-options.hx
View File

@ -1813,16 +1813,6 @@ STEXI
@table @option
ETEXI
HXCOMM Legacy slirp options (now moved to -net user):
#ifdef CONFIG_SLIRP
DEF("tftp", HAS_ARG, QEMU_OPTION_tftp, "", QEMU_ARCH_ALL)
DEF("bootp", HAS_ARG, QEMU_OPTION_bootp, "", QEMU_ARCH_ALL)
DEF("redir", HAS_ARG, QEMU_OPTION_redir, "", QEMU_ARCH_ALL)
#ifndef _WIN32
DEF("smb", HAS_ARG, QEMU_OPTION_smb, "", QEMU_ARCH_ALL)
#endif
#endif
DEF("netdev", HAS_ARG, QEMU_OPTION_netdev,
#ifdef CONFIG_SLIRP
"-netdev user,id=str[,ipv4[=on|off]][,net=addr[/mask]][,host=addr]\n"
@ -2150,11 +2140,6 @@ qemu-system-i386 -nic 'user,id=n1,guestfwd=tcp:10.0.2.100:1234-cmd:netcat 10.10
@end table
Note: Legacy stand-alone options -tftp, -bootp, -smb and -redir are still
processed and applied to -net user. Mixing them with the new configuration
syntax gives undefined results. Their use for new applications is discouraged
as they will be removed from future versions.
@item -netdev tap,id=@var{id}[,fd=@var{h}][,ifname=@var{name}][,script=@var{file}][,downscript=@var{dfile}][,br=@var{bridge}][,helper=@var{helper}]
Configure a host TAP network backend with ID @var{id}.

18
vl.c
View File

@ -3167,24 +3167,6 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
break;
#endif
#ifdef CONFIG_SLIRP
case QEMU_OPTION_tftp:
error_report("The -tftp option is deprecated. "
"Please use '-netdev user,tftp=...' instead.");
legacy_tftp_prefix = optarg;
break;
case QEMU_OPTION_bootp:
error_report("The -bootp option is deprecated. "
"Please use '-netdev user,bootfile=...' instead.");
legacy_bootp_filename = optarg;
break;
case QEMU_OPTION_redir:
error_report("The -redir option is deprecated. "
"Please use '-netdev user,hostfwd=...' instead.");
if (net_slirp_redir(optarg) < 0)
exit(1);
break;
#endif
case QEMU_OPTION_bt:
add_device_config(DEV_BT, optarg);