Module: wine Branch: master Commit: e9ee0df5d285e71d2d5564ef0846e4f456053b9d URL: https://source.winehq.org/git/wine.git/?a=commit;h=e9ee0df5d285e71d2d5564ef0...
Author: Alex Henrie alexhenrie24@gmail.com Date: Sun Aug 25 18:36:49 2019 -0600
ntdll: Implement RtlIpv4StringToAddress(Ex)W.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46149 Signed-off-by: Alex Henrie alexhenrie24@gmail.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/ntdll/rtl.c | 145 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 141 insertions(+), 4 deletions(-)
diff --git a/dlls/ntdll/rtl.c b/dlls/ntdll/rtl.c index e0d8551..72ecfd9 100644 --- a/dlls/ntdll/rtl.c +++ b/dlls/ntdll/rtl.c @@ -884,13 +884,150 @@ void WINAPI RtlCopyLuidAndAttributesArray( for (i = 0; i < Count; i++) Dest[i] = Src[i]; }
+static BOOL parse_ipv4_component(const WCHAR **str, BOOL strict, ULONG *value) +{ + static const int hex_table[] = { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x00-0x0F */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x10-0x1F */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x20-0x2F */ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /* 0x30-0x3F */ + -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x40-0x4F */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x50-0x5F */ + -1, 10, 11, 12, 13, 14, 15 /* 0x60-0x66 */ + }; + int base = 10, d; + WCHAR c; + ULONG cur_value, prev_value = 0; + BOOL success = FALSE; + + if (**str == '.') + { + *str += 1; + return FALSE; + } + + if ((*str)[0] == '0') + { + if ((*str)[1] == 'x' || (*str)[1] == 'X') + { + *str += 2; + if (strict) return FALSE; + base = 16; + } + else if ((*str)[1] >= '0' && (*str)[1] <= '9') + { + *str += 1; + if (strict) return FALSE; + base = 8; + } + } + + for (cur_value = 0; **str; *str += 1) + { + c = **str; + if (c >= ARRAY_SIZE(hex_table)) break; + d = hex_table[c]; + if (d == -1 || d >= base) break; + cur_value = cur_value * base + d; + success = TRUE; + if (cur_value < prev_value) return FALSE; /* overflow */ + prev_value = cur_value; + } + + if (success) *value = cur_value; + return success; +} + +static NTSTATUS ipv4_string_to_address(const WCHAR *str, BOOL strict, + const WCHAR **terminator, IN_ADDR *address, USHORT *port) +{ + ULONG fields[4]; + int n = 0; + + for (;;) + { + if (!parse_ipv4_component(&str, strict, &fields[n])) + goto error; + n++; + if (*str != '.') + break; + if (n == 4) + goto error; + str++; + } + + if (strict && n < 4) + goto error; + + switch (n) + { + case 4: + if (fields[0] > 0xFF || fields[1] > 0xFF || fields[2] > 0xFF || fields[3] > 0xFF) + goto error; + address->S_un.S_un_b.s_b1 = fields[0]; + address->S_un.S_un_b.s_b2 = fields[1]; + address->S_un.S_un_b.s_b3 = fields[2]; + address->S_un.S_un_b.s_b4 = fields[3]; + break; + case 3: + if (fields[0] > 0xFF || fields[1] > 0xFF || fields[2] > 0xFFFF) + goto error; + address->S_un.S_un_b.s_b1 = fields[0]; + address->S_un.S_un_b.s_b2 = fields[1]; + address->S_un.S_un_b.s_b3 = (fields[2] & 0xFF00) >> 8; + address->S_un.S_un_b.s_b4 = (fields[2] & 0x00FF); + break; + case 2: + if (fields[0] > 0xFF || fields[1] > 0xFFFFFF) + goto error; + address->S_un.S_un_b.s_b1 = fields[0]; + address->S_un.S_un_b.s_b2 = (fields[1] & 0xFF0000) >> 16; + address->S_un.S_un_b.s_b3 = (fields[1] & 0x00FF00) >> 8; + address->S_un.S_un_b.s_b4 = (fields[1] & 0x0000FF); + break; + case 1: + address->S_un.S_un_b.s_b1 = (fields[0] & 0xFF000000) >> 24; + address->S_un.S_un_b.s_b2 = (fields[0] & 0x00FF0000) >> 16; + address->S_un.S_un_b.s_b3 = (fields[0] & 0x0000FF00) >> 8; + address->S_un.S_un_b.s_b4 = (fields[0] & 0x000000FF); + break; + default: + goto error; + } + + if (terminator) *terminator = str; + + if (*str == ':') + { + str++; + if (!parse_ipv4_component(&str, FALSE, &fields[0])) + goto error; + if (!fields[0] || fields[0] > 0xFFFF || *str) + goto error; + if (port) + { + *port = htons(fields[0]); + if (terminator) *terminator = str; + } + } + + if (!terminator && *str) + return STATUS_INVALID_PARAMETER; + return STATUS_SUCCESS; + +error: + if (terminator) *terminator = str; + return STATUS_INVALID_PARAMETER; +} + /*********************************************************************** * RtlIpv4StringToAddressExW [NTDLL.@] */ NTSTATUS WINAPI RtlIpv4StringToAddressExW(const WCHAR *str, BOOLEAN strict, IN_ADDR *address, USHORT *port) { - FIXME("(%s, %u, %p, %p): stub\n", debugstr_w(str), strict, address, port); - return STATUS_NOT_IMPLEMENTED; + TRACE("(%s, %u, %p, %p)\n", debugstr_w(str), strict, address, port); + if (!str || !address || !port) return STATUS_INVALID_PARAMETER; + return ipv4_string_to_address(str, strict, NULL, address, port); }
/*********************************************************************** @@ -898,8 +1035,8 @@ NTSTATUS WINAPI RtlIpv4StringToAddressExW(const WCHAR *str, BOOLEAN strict, IN_A */ NTSTATUS WINAPI RtlIpv4StringToAddressW(const WCHAR *str, BOOLEAN strict, const WCHAR **terminator, IN_ADDR *address) { - FIXME("(%s, %u, %p, %p): stub\n", debugstr_w(str), strict, terminator, address); - return STATUS_NOT_IMPLEMENTED; + TRACE("(%s, %u, %p, %p)\n", debugstr_w(str), strict, terminator, address); + return ipv4_string_to_address(str, strict, terminator, address, NULL); }
/***********************************************************************