diff options
Diffstat (limited to 'net.c')
| -rw-r--r-- | net.c | 139 |
1 files changed, 98 insertions, 41 deletions
diff --git a/net.c b/net.c index 7f7616b00c..803b3352ad 100644 --- a/net.c +++ b/net.c @@ -551,11 +551,21 @@ static void config_error(Monitor *mon, const char *fmt, ...) /* slirp network adapter */ +struct slirp_config_str { + struct slirp_config_str *next; + const char *str; +}; + static int slirp_inited; -static int slirp_restrict; -static char *slirp_ip; +static struct slirp_config_str *slirp_redirs; +#ifndef _WIN32 +static const char *slirp_smb_export; +#endif static VLANClientState *slirp_vc; +static void slirp_smb(const char *exported_dir); +static void slirp_redirection(Monitor *mon, const char *redir_str); + int slirp_can_output(void) { return !slirp_vc || qemu_can_send_packet(slirp_vc); @@ -593,7 +603,8 @@ static void net_slirp_cleanup(VLANClientState *vc) slirp_in_use = 0; } -static int net_slirp_init(VLANState *vlan, const char *model, const char *name) +static int net_slirp_init(VLANState *vlan, const char *model, const char *name, + int restricted, const char *ip) { if (slirp_in_use) { /* slirp only supports a single instance so far */ @@ -601,10 +612,24 @@ static int net_slirp_init(VLANState *vlan, const char *model, const char *name) } if (!slirp_inited) { slirp_inited = 1; - slirp_init(slirp_restrict, slirp_ip); + slirp_init(restricted, ip); + + while (slirp_redirs) { + struct slirp_config_str *config = slirp_redirs; + + slirp_redirection(NULL, config->str); + slirp_redirs = config->next; + qemu_free(config); + } +#ifndef _WIN32 + if (slirp_smb_export) { + slirp_smb(slirp_smb_export); + } +#endif } - slirp_vc = qemu_new_vlan_client(vlan, model, name, - slirp_receive, NULL, net_slirp_cleanup, NULL); + + slirp_vc = qemu_new_vlan_client(vlan, model, name, slirp_receive, + NULL, net_slirp_cleanup, NULL); slirp_vc->info_str[0] = '\0'; slirp_in_use = 1; return 0; @@ -685,32 +710,18 @@ static void net_slirp_redir_rm(Monitor *mon, const char *port_str) monitor_printf(mon, "invalid format\n"); } -void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2) +static void slirp_redirection(Monitor *mon, const char *redir_str) { - int is_udp; - char buf[256], *r; - const char *p; struct in_addr guest_addr; int host_port, guest_port; - - if (!slirp_inited) { - slirp_inited = 1; - slirp_init(slirp_restrict, slirp_ip); - } - - if (!strcmp(redir_str, "remove")) { - net_slirp_redir_rm(mon, redir_opt2); - return; - } - - if (!strcmp(redir_str, "list")) { - net_slirp_redir_list(mon); - return; - } + const char *p; + char buf[256], *r; + int is_udp; p = redir_str; - if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) + if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { goto fail_syntax; + } if (!strcmp(buf, "tcp") || buf[0] == '\0') { is_udp = 0; } else if (!strcmp(buf, "udp")) { @@ -719,23 +730,28 @@ void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2 goto fail_syntax; } - if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) + if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { goto fail_syntax; + } host_port = strtol(buf, &r, 0); - if (r == buf) + if (r == buf) { goto fail_syntax; + } - if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) + if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { goto fail_syntax; + } if (buf[0] == '\0') { pstrcpy(buf, sizeof(buf), "10.0.2.15"); } - if (!inet_aton(buf, &guest_addr)) + if (!inet_aton(buf, &guest_addr)) { goto fail_syntax; + } guest_port = strtol(p, &r, 0); - if (r == p) + if (r == p) { goto fail_syntax; + } if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { config_error(mon, "could not set up redirection '%s'\n", redir_str); @@ -746,6 +762,35 @@ void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2 config_error(mon, "invalid redirection format '%s'\n", redir_str); } +void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2) +{ + struct slirp_config_str *config; + + if (!slirp_inited) { + if (mon) { + 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; + } + return; + } + + if (!strcmp(redir_str, "remove")) { + net_slirp_redir_rm(mon, redir_opt2); + return; + } + + if (!strcmp(redir_str, "list")) { + net_slirp_redir_list(mon); + return; + } + + slirp_redirection(mon, redir_str); +} + #ifndef _WIN32 static char smb_dir[1024]; @@ -781,18 +826,12 @@ static void smb_exit(void) erase_dir(smb_dir); } -/* automatic user mode samba server configuration */ -void net_slirp_smb(const char *exported_dir) +static void slirp_smb(const char *exported_dir) { char smb_conf[1024]; char smb_cmdline[1024]; FILE *f; - if (!slirp_inited) { - slirp_inited = 1; - slirp_init(slirp_restrict, slirp_ip); - } - /* XXX: better tmp dir construction */ snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%ld", (long)getpid()); if (mkdir(smb_dir, 0700) < 0) { @@ -836,7 +875,21 @@ void net_slirp_smb(const char *exported_dir) slirp_add_exec(0, smb_cmdline, 4, 139); } +/* automatic user mode samba server configuration */ +void net_slirp_smb(const char *exported_dir) +{ + if (slirp_smb_export) { + fprintf(stderr, "-smb given twice\n"); + exit(1); + } + slirp_smb_export = exported_dir; + if (slirp_inited) { + slirp_smb(exported_dir); + } +} + #endif /* !defined(_WIN32) */ + void do_info_slirp(Monitor *mon) { slirp_stats(); @@ -1970,6 +2023,9 @@ int net_client_init(Monitor *mon, const char *device, const char *p) static const char * const slirp_params[] = { "vlan", "name", "hostname", "restrict", "ip", NULL }; + int restricted = 0; + char *ip = NULL; + if (check_params(buf, sizeof(buf), slirp_params, p) < 0) { config_error(mon, "invalid parameter '%s' in '%s'\n", buf, p); ret = -1; @@ -1979,13 +2035,14 @@ int net_client_init(Monitor *mon, const char *device, const char *p) pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf); } if (get_param_value(buf, sizeof(buf), "restrict", p)) { - slirp_restrict = (buf[0] == 'y') ? 1 : 0; + restricted = (buf[0] == 'y') ? 1 : 0; } if (get_param_value(buf, sizeof(buf), "ip", p)) { - slirp_ip = strdup(buf); + ip = qemu_strdup(buf); } vlan->nb_host_devs++; - ret = net_slirp_init(vlan, device, name); + ret = net_slirp_init(vlan, device, name, restricted, ip); + qemu_free(ip); } else if (!strcmp(device, "channel")) { long port; char name[20], *devname; |