diff options
Diffstat (limited to 'win/packaging/ca/CustomAction.cpp')
-rw-r--r-- | win/packaging/ca/CustomAction.cpp | 87 |
1 files changed, 86 insertions, 1 deletions
diff --git a/win/packaging/ca/CustomAction.cpp b/win/packaging/ca/CustomAction.cpp index ed26dd45a94..50b39adc0b1 100644 --- a/win/packaging/ca/CustomAction.cpp +++ b/win/packaging/ca/CustomAction.cpp @@ -73,6 +73,82 @@ LExit: return WcaFinalize(er); } +/* + Escape command line parameter fpr pass to CreateProcess(). + + We assume out has enough space to include encoded string + 2*wcslen(in) is enough. + + It is assumed that called will add double quotation marks before and after + the string. +*/ +static void EscapeCommandLine(const wchar_t *in, wchar_t *out, size_t buflen) +{ + const wchar_t special_chars[]=L" \t\n\v\""; + bool needs_escaping= false; + size_t pos; + + for(int i=0; i< sizeof(special_chars) -1; i++) + { + if (wcschr(in, special_chars[i])) + { + needs_escaping = true; + break; + } + } + + if(!needs_escaping) + { + wcscpy_s(out, buflen, in); + return; + } + + pos= 0; + for(int i = 0 ; ; i++)
+ {
+ size_t n_backslashes = 0;
+ wchar_t c;
+ while (in[i] == L'\\')
+ {
+ i++;
+ n_backslashes++;
+ }
+
+ c= in[i];
+ if (c == 0)
+ {
+ /*
+ Escape all backslashes, but let the terminating double quotation mark
+ that caller adds be interpreted as a metacharacter.
+ */
+ for(size_t j= 0; j < 2*n_backslashes;j++)
+ {
+ out[pos++]=L'\\';
+ }
+ break;
+ }
+ else if (c == L'"')
+ {
+ /*
+ Escape all backslashes and the following double quotation mark.
+ */
+ for(size_t j= 0; j < 2*n_backslashes + 1; j++)
+ {
+ out[pos++]=L'\\';
+ }
+ out[pos++]= L'"';
+ }
+ else
+ {
+ /* Backslashes aren't special here. */
+ for (size_t j=0; j < n_backslashes; j++)
+ out[pos++] = L'\\';
+
+ out[pos++]= c;
+ }
+ } + out[pos++]= 0; +} /* Check for if directory is empty during install, sets "<PROPERTY>_NOT_EMPTY" otherise @@ -462,6 +538,8 @@ unsigned long long GetMaxBufferSize(unsigned long long totalPhys) return totalPhys; #endif } + + /* Checks SERVICENAME, PORT and BUFFERSIZE parameters */ @@ -470,6 +548,8 @@ extern "C" UINT __stdcall CheckDatabaseProperties (MSIHANDLE hInstall) wchar_t ServiceName[MAX_PATH]={0}; wchar_t SkipNetworking[MAX_PATH]={0}; wchar_t QuickConfig[MAX_PATH]={0}; + wchar_t Password[MAX_PATH]={0}; + wchar_t EscapedPassword[2*MAX_PATH+2]; wchar_t Port[6]; wchar_t BufferPoolSize[16]; DWORD PortLen=6; @@ -512,8 +592,13 @@ extern "C" UINT __stdcall CheckDatabaseProperties (MSIHANDLE hInstall) } } - DWORD SkipNetworkingLen= MAX_PATH; + DWORD PasswordLen= MAX_PATH; + MsiGetPropertyW (hInstall, L"PASSWORD", Password, &PasswordLen); + EscapeCommandLine(Password, EscapedPassword, + sizeof(EscapedPassword)/sizeof(EscapedPassword[0])); + MsiSetPropertyW(hInstall,L"ESCAPEDPASSWORD",EscapedPassword); + DWORD SkipNetworkingLen= MAX_PATH; MsiGetPropertyW(hInstall, L"SKIPNETWORKING", SkipNetworking, &SkipNetworkingLen); MsiGetPropertyW(hInstall, L"PORT", Port, &PortLen); |