diff options
| -rw-r--r-- | net.c | 175 | ||||
| -rw-r--r-- | net.h | 3 | ||||
| -rw-r--r-- | qemu-options.hx | 209 | ||||
| -rw-r--r-- | slirp/bootp.c | 2 | ||||
| -rw-r--r-- | slirp/libslirp.h | 5 | ||||
| -rw-r--r-- | slirp/main.h | 2 | ||||
| -rw-r--r-- | slirp/slirp.c | 14 | ||||
| -rw-r--r-- | slirp/tftp.c | 2 | ||||
| -rw-r--r-- | vl.c | 6 |
9 files changed, 265 insertions, 153 deletions
@@ -669,22 +669,28 @@ static void config_error(Monitor *mon, const char *fmt, ...) /* slirp network adapter */ +#define SLIRP_CFG_REDIR 1 + struct slirp_config_str { struct slirp_config_str *next; - const char *str; + int flags; + char str[1024]; }; static int slirp_inited; -static struct slirp_config_str *slirp_redirs; -#ifndef _WIN32 -static const char *slirp_smb_export; -#endif +static struct slirp_config_str *slirp_configs; +const char *legacy_tftp_prefix; +const char *legacy_bootp_filename; static VLANClientState *slirp_vc; +static void slirp_redirection(Monitor *mon, const char *redir_str); +static void vmchannel_init(Monitor *mon, const char *config_str); + #ifndef _WIN32 +static const char *legacy_smb_export; + static void slirp_smb(const char *exported_dir); #endif -static void slirp_redirection(Monitor *mon, const char *redir_str); int slirp_can_output(void) { @@ -724,27 +730,42 @@ static void net_slirp_cleanup(VLANClientState *vc) slirp_in_use = 0; } -static int net_slirp_init(VLANState *vlan, const char *model, const char *name, - int restricted, const char *ip) +static int net_slirp_init(Monitor *mon, VLANState *vlan, const char *model, + const char *name, int restricted, const char *ip, + const char *tftp_export, const char *bootfile, + const char *smb_export) { if (slirp_in_use) { /* slirp only supports a single instance so far */ return -1; } if (!slirp_inited) { + if (!tftp_export) { + tftp_export = legacy_tftp_prefix; + } + if (!bootfile) { + bootfile = legacy_bootp_filename; + } slirp_inited = 1; - slirp_init(restricted, ip); + slirp_init(restricted, ip, tftp_export, bootfile); - while (slirp_redirs) { - struct slirp_config_str *config = slirp_redirs; + while (slirp_configs) { + struct slirp_config_str *config = slirp_configs; - slirp_redirection(NULL, config->str); - slirp_redirs = config->next; + if (config->flags & SLIRP_CFG_REDIR) { + slirp_redirection(mon, config->str); + } else { + vmchannel_init(mon, config->str); + } + slirp_configs = config->next; qemu_free(config); } #ifndef _WIN32 - if (slirp_smb_export) { - slirp_smb(slirp_smb_export); + if (!smb_export) { + smb_export = legacy_smb_export; + } + if (smb_export) { + slirp_smb(smb_export); } #endif } @@ -853,9 +874,10 @@ void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2 monitor_printf(mon, "user mode network stack not in use\n"); } else { config = qemu_malloc(sizeof(*config)); - config->str = redir_str; - config->next = slirp_redirs; - slirp_redirs = config; + pstrcpy(config->str, sizeof(config->str), redir_str); + config->flags = SLIRP_CFG_REDIR; + config->next = slirp_configs; + slirp_configs = config; } return; } @@ -952,14 +974,14 @@ static void slirp_smb(const char *exported_dir) slirp_add_exec(0, smb_cmdline, 4, 139); } -/* automatic user mode samba server configuration */ +/* automatic user mode samba server configuration (legacy interface) */ void net_slirp_smb(const char *exported_dir) { - if (slirp_smb_export) { + if (legacy_smb_export) { fprintf(stderr, "-smb given twice\n"); exit(1); } - slirp_smb_export = exported_dir; + legacy_smb_export = exported_dir; if (slirp_inited) { slirp_smb(exported_dir); } @@ -989,6 +1011,36 @@ static void vmchannel_read(void *opaque, const uint8_t *buf, int size) slirp_socket_recv(4, vmc->port, buf, size); } +static void vmchannel_init(Monitor *mon, const char *config_str) +{ + struct VMChannel *vmc; + char *devname; + char name[20]; + int port; + + port = strtol(config_str, &devname, 10); + if (port < 1 || port > 65535 || *devname != ':') { + config_error(mon, "invalid vmchannel port number\n"); + return; + } + devname++; + + vmc = qemu_malloc(sizeof(struct VMChannel)); + snprintf(name, sizeof(name), "vmchannel%d", port); + vmc->hd = qemu_chr_open(name, devname, NULL); + if (!vmc->hd) { + config_error(mon, "could not open vmchannel device '%s'\n", devname); + qemu_free(vmc); + return; + } + vmc->port = port; + + slirp_add_exec(3, vmc->hd, 4, port); + qemu_chr_add_handlers(vmc->hd, vmchannel_can_read, vmchannel_read, + NULL, vmc); + return; +} + #endif /* CONFIG_SLIRP */ #if !defined(_WIN32) @@ -2200,10 +2252,16 @@ int net_client_init(Monitor *mon, const char *device, const char *p) #ifdef CONFIG_SLIRP if (!strcmp(device, "user")) { static const char * const slirp_params[] = { - "vlan", "name", "hostname", "restrict", "ip", NULL + "vlan", "name", "hostname", "restrict", "ip", "tftp", "bootfile", + "smb", "redir", "channel", NULL }; + struct slirp_config_str *config; + char *tftp_export = NULL; + char *bootfile = NULL; + char *smb_export = NULL; int restricted = 0; char *ip = NULL; + const char *q; if (check_params(buf, sizeof(buf), slirp_params, p) < 0) { config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p); @@ -2219,34 +2277,59 @@ int net_client_init(Monitor *mon, const char *device, const char *p) if (get_param_value(buf, sizeof(buf), "ip", p)) { ip = qemu_strdup(buf); } + if (get_param_value(buf, sizeof(buf), "tftp", p)) { + tftp_export = qemu_strdup(buf); + } + if (get_param_value(buf, sizeof(buf), "bootfile", p)) { + bootfile = qemu_strdup(buf); + } + if (get_param_value(buf, sizeof(buf), "smb", p)) { + smb_export = qemu_strdup(buf); + } + q = p; + while (1) { + config = qemu_malloc(sizeof(*config)); + if (!get_next_param_value(config->str, sizeof(config->str), + "redir", &q)) { + break; + } + config->flags = SLIRP_CFG_REDIR; + config->next = slirp_configs; + slirp_configs = config; + config = NULL; + } + q = p; + while (1) { + config = qemu_malloc(sizeof(*config)); + if (!get_next_param_value(config->str, sizeof(config->str), + "channel", &q)) { + break; + } + config->flags = 0; + config->next = slirp_configs; + slirp_configs = config; + config = NULL; + } + qemu_free(config); vlan->nb_host_devs++; - ret = net_slirp_init(vlan, device, name, restricted, ip); + ret = net_slirp_init(mon, vlan, device, name, restricted, ip, + tftp_export, bootfile, smb_export); qemu_free(ip); + qemu_free(tftp_export); + qemu_free(bootfile); + qemu_free(smb_export); } else if (!strcmp(device, "channel")) { - long port; - char name[20], *devname; - struct VMChannel *vmc; - - port = strtol(p, &devname, 10); - devname++; - if (port < 1 || port > 65535) { - config_error(mon, "vmchannel wrong port number\n"); - ret = -1; - goto out; - } - vmc = malloc(sizeof(struct VMChannel)); - snprintf(name, 20, "vmchannel%ld", port); - vmc->hd = qemu_chr_open(name, devname, NULL); - if (!vmc->hd) { - config_error(mon, "could not open vmchannel device '%s'\n", - devname); - ret = -1; - goto out; + if (!slirp_inited) { + struct slirp_config_str *config; + + config = qemu_malloc(sizeof(*config)); + pstrcpy(config->str, sizeof(config->str), p); + config->flags = 0; + config->next = slirp_configs; + slirp_configs = config; + } else { + vmchannel_init(mon, p); } - vmc->port = port; - slirp_add_exec(3, vmc->hd, 4, port); - qemu_chr_add_handlers(vmc->hd, vmchannel_can_read, vmchannel_read, - NULL, vmc); ret = 0; } else #endif @@ -125,6 +125,9 @@ uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto, void net_checksum_calculate(uint8_t *data, int length); /* from net.c */ +extern const char *legacy_tftp_prefix; +extern const char *legacy_bootp_filename; + int net_client_init(Monitor *mon, const char *device, const char *p); void net_client_uninit(NICInfo *nd); int net_client_parse(const char *str); diff --git a/qemu-options.hx b/qemu-options.hx index fb1e7a65e1..d1c1539e21 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -735,13 +735,27 @@ STEXI @table @option ETEXI +HXCOMM Legacy slirp options (now moved to -net user): +#ifdef CONFIG_SLIRP +DEF("tftp", HAS_ARG, QEMU_OPTION_tftp, "") +DEF("bootp", HAS_ARG, QEMU_OPTION_bootp, "") +DEF("redir", HAS_ARG, QEMU_OPTION_redir, "") +#ifndef _WIN32 +DEF("smb", HAS_ARG, QEMU_OPTION_smb, "") +#endif +#endif + DEF("net", HAS_ARG, QEMU_OPTION_net, "-net nic[,vlan=n][,macaddr=mac][,model=type][,name=str][,addr=str][,vectors=v]\n" " create a new Network Interface Card and connect it to VLAN 'n'\n" #ifdef CONFIG_SLIRP - "-net user[,vlan=n][,name=str][,hostname=host]\n" - " connect the user mode network stack to VLAN 'n' and send\n" - " hostname 'host' to DHCP clients\n" + "-net user[,vlan=n][,name=str][ip=netaddr][,restrict=y|n][,hostname=host]\n" + " [,tftp=dir][,bootfile=f][,redir=rule][,channel=rule]" +#ifndef _WIN32 + "[,smb=dir]\n" +#endif + " connect the user mode network stack to VLAN 'n', configure its\n" + " DHCP server and enabled optional services\n" #endif #ifdef _WIN32 "-net tap[,vlan=n][,name=str],ifname=name\n" @@ -794,13 +808,102 @@ Valid values for @var{type} are Not all devices are supported on all targets. Use -net nic,model=? for a list of available devices for your target. -@item -net user[,vlan=@var{n}][,hostname=@var{name}][,name=@var{name}] +@item -net user[,@var{option}][,@var{option}][,...] Use the user mode network stack which requires no administrator -privilege to run. @option{hostname=name} can be used to specify the client -hostname reported by the builtin DHCP server. +privilege to run. Valid options are: + +@table @code +@item vlan=@var{n} +Connect user mode stack to VLAN @var{n} (@var{n} = 0 is the default). + +@item name=@var{name} +Assign symbolic name for use in monitor commands. + +@item ip=@var{netaddr} +Set IP network address the guest will see (default: 10.0.2.x). + +@item restrict=y|yes|n|no +If this options is enabled, the guest will be isolated, i.e. it will not be +able to contact the host and no guest IP packets will be routed over the host +to the outside. This option does not affect explicitly set forwarding rule. + +@item hostname=@var{name} +Specifies the client hostname reported by the builtin DHCP server. + +@item tftp=@var{dir} +When using the user mode network stack, activate a built-in TFTP +server. The files in @var{dir} will be exposed as the root of a TFTP server. +The TFTP client on the guest must be configured in binary mode (use the command +@code{bin} of the Unix TFTP client). The host IP address on the guest is +10.0.2.2 by default. + +@item bootfile=@var{file} +When using the user mode network stack, broadcast @var{file} as the BOOTP +filename. In conjunction with @option{tftp}, this can be used to network boot +a guest from a local directory. + +Example (using pxelinux): +@example +qemu -hda linux.img -boot n -net user,tftp=/path/to/tftp/files,bootfile=/pxelinux.0 +@end example + +@item smb=@var{dir} +When using the user mode network stack, activate a built-in SMB +server so that Windows OSes can access to the host files in @file{@var{dir}} +transparently. + +In the guest Windows OS, the line: +@example +10.0.2.4 smbserver +@end example +must be added in the file @file{C:\WINDOWS\LMHOSTS} (for windows 9x/Me) +or @file{C:\WINNT\SYSTEM32\DRIVERS\ETC\LMHOSTS} (Windows NT/2000). + +Then @file{@var{dir}} can be accessed in @file{\\smbserver\qemu}. + +Note that a SAMBA server must be installed on the host OS in +@file{/usr/sbin/smbd}. QEMU was tested successfully with smbd versions from +Red Hat 9, Fedora Core 3 and OpenSUSE 11.x. + +@item redir=[tcp|udp]:@var{host-port}:[@var{guest-host}]:@var{guest-port} +Redirect incoming TCP or UDP connections to the host port @var{host-port} to +the guest @var{guest-host} on guest port @var{guest-port}. If @var{guest-host} +is not specified, its value is 10.0.2.15 (default address given by the built-in +DHCP server). If no connection type is specified, TCP is used. This option can +be given multiple times. + +For example, to redirect host X11 connection from screen 1 to guest +screen 0, use the following: + +@example +# on the host +qemu -net user,redir=tcp:6001::6000 [...] +# this host xterm should open in the guest X11 server +xterm -display :1 +@end example + +To redirect telnet connections from host port 5555 to telnet port on +the guest, use the following: + +@example +# on the host +qemu -net user,redir=tcp:5555::23 [...] +telnet localhost 5555 +@end example + +Then when you use on the host @code{telnet localhost 5555}, you +connect to the guest telnet server. -@item -net channel,@var{port}:@var{dev} -Forward @option{user} TCP connection to port @var{port} to character device @var{dev} +@item channel=@var{port}:@var{dev} +Forward guest TCP connections to port @var{port} on the host to character +device @var{dev}. This option can be given multiple times. + +@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 -net tap[,vlan=@var{n}][,name=@var{name}][,fd=@var{h}][,ifname=@var{name}][,script=@var{file}][,downscript=@var{dfile}] Connect the host TAP network interface @var{name} to VLAN @var{n}, use @@ -906,96 +1009,6 @@ libpcap, so it can be analyzed with tools such as tcpdump or Wireshark. Indicate that no network devices should be configured. It is used to override the default configuration (@option{-net nic -net user}) which is activated if no @option{-net} options are provided. -ETEXI - -#ifdef CONFIG_SLIRP -DEF("tftp", HAS_ARG, QEMU_OPTION_tftp, \ - "-tftp dir allow tftp access to files in dir [-net user]\n") -#endif -STEXI -@item -tftp @var{dir} -When using the user mode network stack, activate a built-in TFTP -server. The files in @var{dir} will be exposed as the root of a TFTP server. -The TFTP client on the guest must be configured in binary mode (use the command -@code{bin} of the Unix TFTP client). The host IP address on the guest is as -usual 10.0.2.2. -ETEXI - -#ifdef CONFIG_SLIRP -DEF("bootp", HAS_ARG, QEMU_OPTION_bootp, \ - "-bootp file advertise file in BOOTP replies\n") -#endif -STEXI -@item -bootp @var{file} -When using the user mode network stack, broadcast @var{file} as the BOOTP -filename. In conjunction with @option{-tftp}, this can be used to network boot -a guest from a local directory. - -Example (using pxelinux): -@example -qemu -hda linux.img -boot n -tftp /path/to/tftp/files -bootp /pxelinux.0 -@end example -ETEXI - -#ifndef _WIN32 -DEF("smb", HAS_ARG, QEMU_OPTION_smb, \ - "-smb dir allow SMB access to files in 'dir' [-net user]\n") -#endif -STEXI -@item -smb @var{dir} -When using the user mode network stack, activate a built-in SMB -server so that Windows OSes can access to the host files in @file{@var{dir}} -transparently. - -In the guest Windows OS, the line: -@example -10.0.2.4 smbserver -@end example -must be added in the file @file{C:\WINDOWS\LMHOSTS} (for windows 9x/Me) -or @file{C:\WINNT\SYSTEM32\DRIVERS\ETC\LMHOSTS} (Windows NT/2000). - -Then @file{@var{dir}} can be accessed in @file{\\smbserver\qemu}. - -Note that a SAMBA server must be installed on the host OS in -@file{/usr/sbin/smbd}. QEMU was tested successfully with smbd version -2.2.7a from the Red Hat 9 and version 3.0.10-1.fc3 from Fedora Core 3. -ETEXI - -#ifdef CONFIG_SLIRP -DEF("redir", HAS_ARG, QEMU_OPTION_redir, \ - "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" \ - " redirect TCP or UDP connections from host to guest [-net user]\n") -#endif -STEXI -@item -redir [tcp|udp]:@var{host-port}:[@var{guest-host}]:@var{guest-port} - -When using the user mode network stack, redirect incoming TCP or UDP -connections to the host port @var{host-port} to the guest -@var{guest-host} on guest port @var{guest-port}. If @var{guest-host} -is not specified, its value is 10.0.2.15 (default address given by the -built-in DHCP server). If no connection type is specified, TCP is used. - -For example, to redirect host X11 connection from screen 1 to guest -screen 0, use the following: - -@example -# on the host -qemu -redir tcp:6001::6000 [...] -# this host xterm should open in the guest X11 server -xterm -display :1 -@end example - -To redirect telnet connections from host port 5555 to telnet port on -the guest, use the following: - -@example -# on the host -qemu -redir tcp:5555::23 [...] -telnet localhost 5555 -@end example - -Then when you use on the host @code{telnet localhost 5555}, you -connect to the guest telnet server. @end table ETEXI diff --git a/slirp/bootp.c b/slirp/bootp.c index 4e0082d2ca..a2fd734cd4 100644 --- a/slirp/bootp.c +++ b/slirp/bootp.c @@ -38,7 +38,7 @@ typedef struct { static BOOTPClient bootp_clients[NB_ADDR]; -const char *bootp_filename; +char *bootp_filename; static const uint8_t rfc1533_cookie[] = { RFC1533_COOKIE }; diff --git a/slirp/libslirp.h b/slirp/libslirp.h index c04f3a2720..7dee34b369 100644 --- a/slirp/libslirp.h +++ b/slirp/libslirp.h @@ -5,7 +5,8 @@ extern "C" { #endif -void slirp_init(int restricted, const char *special_ip); +void slirp_init(int restricted, const char *special_ip, const char *tftp_path, + const char *bootfile); void slirp_select_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds); @@ -24,9 +25,7 @@ int slirp_redir(int is_udp, int host_port, int slirp_add_exec(int do_pty, const void *args, int addr_low_byte, int guest_port); -extern const char *tftp_prefix; extern char slirp_hostname[33]; -extern const char *bootp_filename; void slirp_stats(void); void slirp_socket_recv(int addr_low_byte, int guest_port, const uint8_t *buf, diff --git a/slirp/main.h b/slirp/main.h index ed51385599..89e722f355 100644 --- a/slirp/main.h +++ b/slirp/main.h @@ -46,6 +46,8 @@ extern int tcp_keepintvl; extern uint8_t client_ethaddr[6]; extern const char *slirp_special_ip; extern int slirp_restrict; +extern char *tftp_prefix; +extern char *bootp_filename; #define PROTO_SLIP 0x1 #ifdef USE_PPP diff --git a/slirp/slirp.c b/slirp/slirp.c index b3db74223a..b0a092c14c 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -171,7 +171,8 @@ static void slirp_cleanup(void) static void slirp_state_save(QEMUFile *f, void *opaque); static int slirp_state_load(QEMUFile *f, void *opaque, int version_id); -void slirp_init(int restricted, const char *special_ip) +void slirp_init(int restricted, const char *special_ip, const char *tftp_path, + const char *bootfile) { // debug_init("/tmp/slirp.log", DEBUG_DEFAULT); @@ -203,6 +204,17 @@ void slirp_init(int restricted, const char *special_ip) if (special_ip) slirp_special_ip = special_ip; + qemu_free(tftp_prefix); + tftp_prefix = NULL; + if (tftp_path) { + tftp_prefix = qemu_strdup(tftp_path); + } + qemu_free(bootp_filename); + bootp_filename = NULL; + if (bootfile) { + bootp_filename = qemu_strdup(bootfile); + } + inet_aton(slirp_special_ip, &special_addr); alias_addr.s_addr = special_addr.s_addr | htonl(CTL_ALIAS); getouraddr(); diff --git a/slirp/tftp.c b/slirp/tftp.c index 4ad55048b2..7cb095fb1d 100644 --- a/slirp/tftp.c +++ b/slirp/tftp.c @@ -37,7 +37,7 @@ struct tftp_session { static struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX]; -const char *tftp_prefix; +char *tftp_prefix; static void tftp_session_update(struct tftp_session *spt) { @@ -5308,14 +5308,14 @@ int main(int argc, char **argv, char **envp) break; #ifdef CONFIG_SLIRP case QEMU_OPTION_tftp: - tftp_prefix = optarg; + legacy_tftp_prefix = optarg; break; case QEMU_OPTION_bootp: - bootp_filename = optarg; + legacy_bootp_filename = optarg; break; #ifndef _WIN32 case QEMU_OPTION_smb: - net_slirp_smb(optarg); + net_slirp_smb(optarg); break; #endif case QEMU_OPTION_redir: |