/* * Copyright 2011, 2014 AndrĂ© Hentschel * Copyright 2021 Hans Leidekker for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #if 0 #pragma makedep unix #endif #include "config.h" #ifdef HAVE_PCAP_PCAP_H #include #include #include #include #include #include "ntstatus.h" #define WIN32_NO_STATUS #include "windef.h" #include "winbase.h" #include "winternl.h" #include "wine/unixlib.h" #include "wine/debug.h" #include "unixlib.h" WINE_DEFAULT_DEBUG_CHANNEL(wpcap); static NTSTATUS wrap_activate( void *args ) { const struct activate_params *params = args; return pcap_activate( (pcap_t *)(ULONG_PTR)params->handle ); } static NTSTATUS wrap_breakloop( void *args ) { const struct breakloop_params *params = args; pcap_breakloop( (pcap_t *)(ULONG_PTR)params->handle ); return STATUS_SUCCESS; } static NTSTATUS wrap_bufsize( void *args ) { const struct bufsize_params *params = args; return pcap_bufsize( (pcap_t *)(ULONG_PTR)params->handle ); } static NTSTATUS wrap_can_set_rfmon( void *args ) { const struct can_set_rfmon_params *params = args; return pcap_can_set_rfmon( (pcap_t *)(ULONG_PTR)params->handle ); } static NTSTATUS wrap_close( void *args ) { const struct close_params *params = args; pcap_close( (pcap_t *)(ULONG_PTR)params->handle ); return STATUS_SUCCESS; } static NTSTATUS wrap_compile( void *args ) { struct compile_params *params = args; struct bpf_program program; int ret; if (!(ret = pcap_compile( (pcap_t *)(ULONG_PTR)params->handle, &program, params->str, params->optimize, params->mask ))) { if (*params->program_len < program.bf_len) ret = STATUS_BUFFER_TOO_SMALL; else memcpy( params->program_insns, program.bf_insns, program.bf_len * sizeof(*program.bf_insns) ); *params->program_len = program.bf_len; pcap_freecode( &program ); } return ret; } static NTSTATUS wrap_create( void *args ) { struct create_params *params = args; if (!(*params->handle = (ULONG_PTR)pcap_create( params->source, params->errbuf ))) return STATUS_NO_MEMORY; return STATUS_SUCCESS; } static NTSTATUS wrap_datalink( void *args ) { struct datalink_params *params = args; return pcap_datalink( (pcap_t *)(ULONG_PTR)params->handle ); } static NTSTATUS wrap_datalink_name_to_val( void *args ) { struct datalink_name_to_val_params *params = args; return pcap_datalink_name_to_val( params->name ); } static NTSTATUS wrap_datalink_val_to_description( void *args ) { const struct datalink_val_to_description_params *params = args; const char *str = pcap_datalink_val_to_description( params->link ); int len; if (!str || !params->buf) return STATUS_INVALID_PARAMETER; if ((len = strlen( str )) >= *params->buflen) { *params->buflen = len + 1; return STATUS_BUFFER_TOO_SMALL; } strcpy( params->buf, str ); return STATUS_SUCCESS; } static NTSTATUS wrap_datalink_val_to_name( void *args ) { const struct datalink_val_to_name_params *params = args; const char *str = pcap_datalink_val_to_name( params->link ); int len; if (!str || !params->buf) return STATUS_INVALID_PARAMETER; if ((len = strlen( str )) >= *params->buflen) { *params->buflen = len + 1; return STATUS_BUFFER_TOO_SMALL; } strcpy( params->buf, str ); return STATUS_SUCCESS; } static NTSTATUS wrap_dump( void *args ) { const struct dump_params *params = args; if (sizeof(void *) == 4) { struct pcap_pkthdr_win32 hdr32; hdr32.ts.tv_sec = params->hdr->ts.tv_sec; hdr32.ts.tv_usec = params->hdr->ts.tv_usec; hdr32.caplen = params->hdr->caplen; hdr32.len = params->hdr->len; pcap_dump( params->user, (const struct pcap_pkthdr *)&hdr32, params->packet ); } else { struct pcap_pkthdr hdr64; hdr64.ts.tv_sec = params->hdr->ts.tv_sec; hdr64.ts.tv_usec = params->hdr->ts.tv_usec; hdr64.caplen = params->hdr->caplen; hdr64.len = params->hdr->len; pcap_dump( params->user, &hdr64, params->packet ); } return STATUS_SUCCESS; } static NTSTATUS wrap_dump_close( void *args ) { const struct dump_close_params *params = args; pcap_dump_close( (pcap_dumper_t *)(ULONG_PTR)params->handle ); return STATUS_SUCCESS; } static NTSTATUS wrap_dump_open( void *args ) { const struct dump_open_params *params = args; *params->ret_handle = (ULONG_PTR)pcap_dump_open( (pcap_t *)(ULONG_PTR)params->handle, params->name ); return STATUS_SUCCESS; } static NTSTATUS wrap_findalldevs( void *args ) { const struct findalldevs_params *params = args; pcap_if_t *devs = NULL, *src; struct pcap_interface_offsets *dst = (struct pcap_interface_offsets *)params->buf; int ret, len_total = 0; if ((ret = pcap_findalldevs( &devs, params->errbuf ))) return ret; src = devs; while (src) { int len_name = strlen( src->name ) + 1, len_description = src->description ? strlen( src->description ) + 1 : 0; int len = sizeof(*dst) + len_name + len_description; if (*params->buflen >= len_total + len) { dst->name_offset = sizeof(*dst); dst->name_len = len_name; strcpy( (char *)dst + dst->name_offset, src->name ); if (!len_description) dst->description_offset = dst->description_len = 0; else { dst->description_offset = dst->name_offset + len_name; dst->description_len = len_description; strcpy( (char *)dst + dst->description_offset, src->description ); } dst->flags = src->flags; dst = (struct pcap_interface_offsets *)((char *)dst + len); } len_total += len; src = src->next; } if (*params->buflen < len_total) ret = STATUS_BUFFER_TOO_SMALL; *params->buflen = len_total; pcap_freealldevs( devs ); return ret; } static NTSTATUS wrap_get_tstamp_precision( void *args ) { const struct get_tstamp_precision_params *params = args; return pcap_get_tstamp_precision( (pcap_t *)(ULONG_PTR)params->handle ); } static NTSTATUS wrap_geterr( void *args ) { const struct geterr_params *params = args; char *errbuf = pcap_geterr( (pcap_t *)(ULONG_PTR)params->handle ); assert( strlen(errbuf) < PCAP_ERRBUF_SIZE ); strcpy( params->errbuf, errbuf ); return STATUS_SUCCESS; } static NTSTATUS wrap_getnonblock( void *args ) { const struct getnonblock_params *params = args; return pcap_getnonblock( (pcap_t *)(ULONG_PTR)params->handle, params->errbuf ); } static NTSTATUS wrap_init( void *args ) { const struct init_params *params = args; return pcap_init( params->opt, params->errbuf ); } static NTSTATUS wrap_lib_version( void *args ) { const struct lib_version_params *params = args; const char *str = pcap_lib_version(); unsigned int len = min( strlen(str) + 1, params->size ); memcpy( params->version, str, len ); params->version[len - 1] = 0; return STATUS_SUCCESS; } static NTSTATUS wrap_list_datalinks( void *args ) { const struct list_datalinks_params *params = args; NTSTATUS status = STATUS_SUCCESS; int *links = NULL, count; if ((count = pcap_list_datalinks( (pcap_t *)(ULONG_PTR)params->handle, &links )) > 0) { if (*params->count < count) status = STATUS_BUFFER_TOO_SMALL; else memcpy( params->links, links, count * sizeof(*links) ); } pcap_free_datalinks( links ); *params->count = count; return status; } static NTSTATUS wrap_list_tstamp_types( void *args ) { const struct list_tstamp_types_params *params = args; NTSTATUS status = STATUS_SUCCESS; int *types = NULL, count; if ((count = pcap_list_tstamp_types( (pcap_t *)(ULONG_PTR)params->handle, &types )) > 0) { if (*params->count < count) status = STATUS_BUFFER_TOO_SMALL; else memcpy( params->types, types, count * sizeof(*types) ); } pcap_free_tstamp_types( types ); *params->count = count; return status; } static NTSTATUS wrap_lookupnet( void *args ) { const struct lookupnet_params *params = args; return pcap_lookupnet( params->device, params->net, params->mask, params->errbuf ); } static NTSTATUS wrap_major_version( void *args ) { const struct major_version_params *params = args; return pcap_major_version( (pcap_t *)(ULONG_PTR)params->handle ); } static NTSTATUS wrap_minor_version( void *args ) { const struct minor_version_params *params = args; return pcap_minor_version( (pcap_t *)(ULONG_PTR)params->handle ); } static NTSTATUS wrap_next_ex( void *args ) { struct next_ex_params *params = args; int ret; if (sizeof(void *) == 4) { struct pcap_pkthdr_win32 *hdr32; if ((ret = pcap_next_ex( (pcap_t *)(ULONG_PTR)params->handle, (struct pcap_pkthdr **)&hdr32, params->data )) == 1) { params->hdr->ts.tv_sec = hdr32->ts.tv_sec; params->hdr->ts.tv_usec = hdr32->ts.tv_usec; params->hdr->caplen = hdr32->caplen; params->hdr->len = hdr32->len; } } else { struct pcap_pkthdr *hdr64; if ((ret = pcap_next_ex( (pcap_t *)(ULONG_PTR)params->handle, &hdr64, params->data )) == 1) { if (hdr64->ts.tv_sec > INT_MAX || hdr64->ts.tv_usec > INT_MAX) WARN( "truncating timeval values(s)\n" ); params->hdr->ts.tv_sec = hdr64->ts.tv_sec; params->hdr->ts.tv_usec = hdr64->ts.tv_usec; params->hdr->caplen = hdr64->caplen; params->hdr->len = hdr64->len; } } return ret; } static NTSTATUS wrap_open_live( void *args ) { const struct open_live_params *params = args; if (!(*params->handle = (ULONG_PTR)pcap_open_live( params->source, params->snaplen, params->promisc, params->timeout, params->errbuf ))) return STATUS_NO_MEMORY; return STATUS_SUCCESS; } static NTSTATUS wrap_sendpacket( void *args ) { const struct sendpacket_params *params = args; return pcap_sendpacket( (pcap_t *)(ULONG_PTR)params->handle, params->buf, params->size ); } static NTSTATUS wrap_set_buffer_size( void *args ) { const struct set_buffer_size_params *params = args; return pcap_set_buffer_size( (pcap_t *)(ULONG_PTR)params->handle, params->size ); } static NTSTATUS wrap_set_datalink( void *args ) { const struct set_datalink_params *params = args; return pcap_set_datalink( (pcap_t *)(ULONG_PTR)params->handle, params->link ); } static NTSTATUS wrap_set_promisc( void *args ) { const struct set_promisc_params *params = args; return pcap_set_promisc( (pcap_t *)(ULONG_PTR)params->handle, params->enable ); } static NTSTATUS wrap_set_rfmon( void *args ) { const struct set_rfmon_params *params = args; return pcap_set_rfmon( (pcap_t *)(ULONG_PTR)params->handle, params->enable ); } static NTSTATUS wrap_set_snaplen( void *args ) { const struct set_snaplen_params *params = args; return pcap_set_snaplen( (pcap_t *)(ULONG_PTR)params->handle, params->len ); } static NTSTATUS wrap_set_timeout( void *args ) { const struct set_timeout_params *params = args; return pcap_set_timeout( (pcap_t *)(ULONG_PTR)params->handle, params->timeout ); } static NTSTATUS wrap_set_tstamp_precision( void *args ) { const struct set_tstamp_precision_params *params = args; return pcap_set_tstamp_precision( (pcap_t *)(ULONG_PTR)params->handle, params->precision ); } static NTSTATUS wrap_set_tstamp_type( void *args ) { const struct set_tstamp_type_params *params = args; return pcap_set_tstamp_type( (pcap_t *)(ULONG_PTR)params->handle, params->type ); } static NTSTATUS wrap_setfilter( void *args ) { const struct setfilter_params *params = args; struct bpf_program program = { params->program_len, params->program_insns }; return pcap_setfilter( (pcap_t *)(ULONG_PTR)params->handle, &program ); } static NTSTATUS wrap_setnonblock( void *args ) { const struct setnonblock_params *params = args; return pcap_setnonblock( (pcap_t *)(ULONG_PTR)params->handle, params->nonblock, params->errbuf ); } static NTSTATUS wrap_snapshot( void *args ) { const struct snapshot_params *params = args; return pcap_snapshot( (pcap_t *)(ULONG_PTR)params->handle ); } static NTSTATUS wrap_stats( void *args ) { struct stats_params *params = args; struct pcap_stat stat; int ret; if (!(ret = pcap_stats( (pcap_t *)(ULONG_PTR)params->handle, &stat ))) { params->stat.ps_recv = stat.ps_recv; params->stat.ps_drop = stat.ps_drop; params->stat.ps_ifdrop = stat.ps_ifdrop; params->stat.ps_capt = 0; params->stat.ps_sent = 0; params->stat.ps_netdrop = 0; } return ret; } static NTSTATUS wrap_tstamp_type_name_to_val( void *args ) { const struct tstamp_type_name_to_val_params *params = args; return pcap_tstamp_type_name_to_val( params->name ); } static NTSTATUS wrap_tstamp_type_val_to_description( void *args ) { const struct tstamp_type_val_to_description_params *params = args; const char *str = pcap_tstamp_type_val_to_description( params->type ); int len; if (!str || !params->buf) return STATUS_INVALID_PARAMETER; if ((len = strlen( str )) >= *params->buflen) { *params->buflen = len + 1; return STATUS_BUFFER_TOO_SMALL; } strcpy( params->buf, str ); return STATUS_SUCCESS; } static NTSTATUS wrap_tstamp_type_val_to_name( void *args ) { const struct tstamp_type_val_to_name_params *params = args; const char *str = pcap_tstamp_type_val_to_name( params->type ); int len; if (!str || !params->buf) return STATUS_INVALID_PARAMETER; if ((len = strlen( str )) >= *params->buflen) { *params->buflen = len + 1; return STATUS_BUFFER_TOO_SMALL; } strcpy( params->buf, str ); return STATUS_SUCCESS; } const unixlib_entry_t __wine_unix_call_funcs[] = { wrap_activate, wrap_breakloop, wrap_bufsize, wrap_can_set_rfmon, wrap_close, wrap_compile, wrap_create, wrap_datalink, wrap_datalink_name_to_val, wrap_datalink_val_to_description, wrap_datalink_val_to_name, wrap_dump, wrap_dump_close, wrap_dump_open, wrap_findalldevs, wrap_get_tstamp_precision, wrap_geterr, wrap_getnonblock, wrap_init, wrap_lib_version, wrap_list_datalinks, wrap_list_tstamp_types, wrap_lookupnet, wrap_major_version, wrap_minor_version, wrap_next_ex, wrap_open_live, wrap_sendpacket, wrap_set_buffer_size, wrap_set_datalink, wrap_set_promisc, wrap_set_rfmon, wrap_set_snaplen, wrap_set_timeout, wrap_set_tstamp_precision, wrap_set_tstamp_type, wrap_setfilter, wrap_setnonblock, wrap_snapshot, wrap_stats, wrap_tstamp_type_name_to_val, wrap_tstamp_type_val_to_description, wrap_tstamp_type_val_to_name, }; C_ASSERT( ARRAYSIZE(__wine_unix_call_funcs) == unix_funcs_count ); #ifdef _WIN64 typedef ULONG PTR32; static NTSTATUS wow64_compile( void *args ) { struct { UINT64 handle; PTR32 program_len; PTR32 program_insns; PTR32 str; int optimize; unsigned int mask; } const *params32 = args; struct compile_params params = { params32->handle, ULongToPtr(params32->program_len), ULongToPtr(params32->program_insns), ULongToPtr(params32->str), params32->optimize, params32->mask }; return wrap_compile( ¶ms ); } static NTSTATUS wow64_create( void *args ) { struct { PTR32 source; PTR32 errbuf; PTR32 handle; } const *params32 = args; struct create_params params = { ULongToPtr(params32->source), ULongToPtr(params32->errbuf), ULongToPtr(params32->handle), }; return wrap_create( ¶ms ); } static NTSTATUS wow64_datalink_name_to_val( void *args ) { struct { PTR32 name; } const *params32 = args; struct datalink_name_to_val_params params = { ULongToPtr(params32->name), }; return wrap_datalink_name_to_val( ¶ms ); } static NTSTATUS wow64_datalink_val_to_description( void *args ) { struct { int link; PTR32 buf; PTR32 buflen; } const *params32 = args; struct datalink_val_to_description_params params = { params32->link, ULongToPtr(params32->buf), ULongToPtr(params32->buflen) }; return wrap_datalink_val_to_description( ¶ms ); } static NTSTATUS wow64_datalink_val_to_name( void *args ) { struct { int link; PTR32 buf; PTR32 buflen; } const *params32 = args; struct datalink_val_to_name_params params = { params32->link, ULongToPtr(params32->buf), ULongToPtr(params32->buflen) }; return wrap_datalink_val_to_name( ¶ms ); } static NTSTATUS wow64_dump( void *args ) { struct { PTR32 user; PTR32 hdr; PTR32 packet; } const *params32 = args; struct dump_params params = { ULongToPtr(params32->user), ULongToPtr(params32->hdr), ULongToPtr(params32->packet) }; return wrap_dump( ¶ms ); } static NTSTATUS wow64_dump_open( void *args ) { struct { UINT64 handle; PTR32 name; PTR32 ret_handle; } const *params32 = args; struct datalink_val_to_name_params params = { params32->handle, ULongToPtr(params32->name), ULongToPtr(params32->ret_handle) }; return wrap_dump_open( ¶ms ); } static NTSTATUS wow64_findalldevs( void *args ) { struct { PTR32 buf; PTR32 buflen; PTR32 errbuf; } const *params32 = args; struct findalldevs_params params = { ULongToPtr(params32->buf), ULongToPtr(params32->buflen), ULongToPtr(params32->errbuf) }; return wrap_findalldevs( ¶ms ); } static NTSTATUS wow64_geterr( void *args ) { struct { UINT64 handle; PTR32 errbuf; } const *params32 = args; struct geterr_params params = { params32->handle, ULongToPtr(params32->errbuf) }; return wrap_geterr( ¶ms ); } static NTSTATUS wow64_getnonblock( void *args ) { struct { UINT64 handle; PTR32 errbuf; } const *params32 = args; struct getnonblock_params params = { params32->handle, ULongToPtr(params32->errbuf) }; return wrap_getnonblock( ¶ms ); } static NTSTATUS wow64_init( void *args ) { struct { int opt; PTR32 errbuf; } const *params32 = args; struct init_params params = { params32->opt, ULongToPtr(params32->errbuf) }; return wrap_init( ¶ms ); } static NTSTATUS wow64_lib_version( void *args ) { struct { PTR32 version; unsigned int size; } const *params32 = args; struct lib_version_params params = { ULongToPtr(params32->version), params32->size }; return wrap_lib_version( ¶ms ); } static NTSTATUS wow64_list_datalinks( void *args ) { struct { UINT64 handle; PTR32 links; PTR32 count; } const *params32 = args; struct list_datalinks_params params = { params32->handle, ULongToPtr(params32->links), ULongToPtr(params32->count) }; return wrap_list_datalinks( ¶ms ); } static NTSTATUS wow64_list_tstamp_types( void *args ) { struct { UINT64 handle; PTR32 types; PTR32 count; } const *params32 = args; struct list_tstamp_types_params params = { params32->handle, ULongToPtr(params32->types), ULongToPtr(params32->count) }; return wrap_list_tstamp_types( ¶ms ); } static NTSTATUS wow64_lookupnet( void *args ) { struct { PTR32 device; PTR32 net; PTR32 mask; PTR32 errbuf; } const *params32 = args; struct lookupnet_params params = { ULongToPtr(params32->device), ULongToPtr(params32->net), ULongToPtr(params32->mask), ULongToPtr(params32->errbuf) }; return wrap_lookupnet( ¶ms ); } static NTSTATUS wow64_next_ex( void *args ) { struct { UINT64 handle; PTR32 hdr; PTR32 data; } const *params32 = args; struct next_ex_params params = { params32->handle, ULongToPtr(params32->hdr), ULongToPtr(params32->data) }; return wrap_next_ex( ¶ms ); } static NTSTATUS wow64_open_live( void *args ) { struct { PTR32 source; int snaplen; int promisc; int timeout; PTR32 errbuf; PTR32 handle; } const *params32 = args; struct open_live_params params = { ULongToPtr(params32->source), params32->snaplen, params32->promisc, params32->timeout, ULongToPtr(params32->errbuf), ULongToPtr(params32->handle) }; return wrap_open_live( ¶ms ); } static NTSTATUS wow64_sendpacket( void *args ) { struct { UINT64 handle; PTR32 buf; int size; } const *params32 = args; struct sendpacket_params params = { params32->handle, ULongToPtr(params32->buf), params32->size }; return wrap_sendpacket( ¶ms ); } static NTSTATUS wow64_setfilter( void *args ) { struct { UINT64 handle; unsigned int program_len; PTR32 program_insns; } const *params32 = args; struct setfilter_params params = { params32->handle, params32->program_len, ULongToPtr(params32->program_insns) }; return wrap_setfilter( ¶ms ); } static NTSTATUS wow64_setnonblock( void *args ) { struct { UINT64 handle; int nonblock; PTR32 errbuf; } const *params32 = args; struct setnonblock_params params = { params32->handle, params32->nonblock, ULongToPtr(params32->errbuf) }; return wrap_setnonblock( ¶ms ); } static NTSTATUS wow64_tstamp_type_name_to_val( void *args ) { struct { PTR32 name; } const *params32 = args; struct tstamp_type_name_to_val_params params = { ULongToPtr(params32->name) }; return wrap_tstamp_type_name_to_val( ¶ms ); } static NTSTATUS wow64_tstamp_type_val_to_description( void *args ) { struct { int type; PTR32 buf; PTR32 buflen; } const *params32 = args; struct tstamp_type_val_to_description_params params = { params32->type, ULongToPtr(params32->buf), ULongToPtr(params32->buflen) }; return wrap_tstamp_type_val_to_description( ¶ms ); } static NTSTATUS wow64_tstamp_type_val_to_name( void *args ) { struct { int type; PTR32 buf; PTR32 buflen; } const *params32 = args; struct tstamp_type_val_to_name_params params = { params32->type, ULongToPtr(params32->buf), ULongToPtr(params32->buflen) }; return wrap_tstamp_type_val_to_name( ¶ms ); } const unixlib_entry_t __wine_unix_call_wow64_funcs[] = { wrap_activate, wrap_breakloop, wrap_bufsize, wrap_can_set_rfmon, wrap_close, wow64_compile, wow64_create, wrap_datalink, wow64_datalink_name_to_val, wow64_datalink_val_to_description, wow64_datalink_val_to_name, wow64_dump, wrap_dump_close, wow64_dump_open, wow64_findalldevs, wrap_get_tstamp_precision, wow64_geterr, wow64_getnonblock, wow64_init, wow64_lib_version, wow64_list_datalinks, wow64_list_tstamp_types, wow64_lookupnet, wrap_major_version, wrap_minor_version, wow64_next_ex, wow64_open_live, wow64_sendpacket, wrap_set_buffer_size, wrap_set_datalink, wrap_set_promisc, wrap_set_rfmon, wrap_set_snaplen, wrap_set_timeout, wrap_set_tstamp_precision, wrap_set_tstamp_type, wow64_setfilter, wow64_setnonblock, wrap_snapshot, wrap_stats, wow64_tstamp_type_name_to_val, wow64_tstamp_type_val_to_description, wow64_tstamp_type_val_to_name, }; C_ASSERT( ARRAYSIZE(__wine_unix_call_wow64_funcs) == unix_funcs_count ); #endif /* _WIN64 */ #endif /* HAVE_PCAP_PCAP_H */