1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/common/src/fixpath.c Wed Apr 27 01:39:08 2016 +0800
1.3 @@ -0,0 +1,356 @@
1.4 +/*
1.5 + * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +#include <Windows.h>
1.30 +#include <io.h>
1.31 +#include <stdio.h>
1.32 +#include <string.h>
1.33 +#include <malloc.h>
1.34 +
1.35 +void report_error()
1.36 +{
1.37 + LPVOID lpMsgBuf;
1.38 + DWORD dw = GetLastError();
1.39 +
1.40 + FormatMessage(
1.41 + FORMAT_MESSAGE_ALLOCATE_BUFFER |
1.42 + FORMAT_MESSAGE_FROM_SYSTEM |
1.43 + FORMAT_MESSAGE_IGNORE_INSERTS,
1.44 + NULL,
1.45 + dw,
1.46 + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
1.47 + (LPTSTR) &lpMsgBuf,
1.48 + 0,
1.49 + NULL);
1.50 +
1.51 + fprintf(stderr,
1.52 + "Could not start process! Failed with error %d: %s\n",
1.53 + dw, lpMsgBuf);
1.54 +
1.55 + LocalFree(lpMsgBuf);
1.56 +}
1.57 +
1.58 +/*
1.59 + * Test if pos points to /cygdrive/_/ where _ can
1.60 + * be any character.
1.61 + */
1.62 +int is_cygdrive_here(int pos, char *in, int len)
1.63 +{
1.64 + // Length of /cygdrive/c/ is 12
1.65 + if (pos+12 > len) return 0;
1.66 + if (in[pos+11]=='/' &&
1.67 + in[pos+9]=='/' &&
1.68 + in[pos+8]=='e' &&
1.69 + in[pos+7]=='v' &&
1.70 + in[pos+6]=='i' &&
1.71 + in[pos+5]=='r' &&
1.72 + in[pos+4]=='d' &&
1.73 + in[pos+3]=='g' &&
1.74 + in[pos+2]=='y' &&
1.75 + in[pos+1]=='c' &&
1.76 + in[pos+0]=='/') {
1.77 + return 1;
1.78 + }
1.79 + return 0;
1.80 +}
1.81 +
1.82 +/*
1.83 + * Replace /cygdrive/_/ with _:/
1.84 + * Works in place since drive letter is always
1.85 + * shorter than /cygdrive/
1.86 + */
1.87 +char *replace_cygdrive_cygwin(char *in)
1.88 +{
1.89 + int len = strlen(in);
1.90 + char *out = malloc(len+1);
1.91 + int i,j;
1.92 +
1.93 + if (len < 12) {
1.94 + strcpy(out, in);
1.95 + return out;
1.96 + }
1.97 + for (i = 0, j = 0; i<len;) {
1.98 + if (is_cygdrive_here(i, in, len)) {
1.99 + out[j++] = in[i+10];
1.100 + out[j++] = ':';
1.101 + i+=11;
1.102 + } else {
1.103 + out[j] = in[i];
1.104 + i++;
1.105 + j++;
1.106 + }
1.107 + }
1.108 + out[j] = 0;
1.109 + return out;
1.110 +}
1.111 +
1.112 +void append(char **b, size_t *bl, size_t *u, char *add, size_t addlen)
1.113 +{
1.114 + while ( (addlen+*u+1) > *bl) {
1.115 + *bl *= 2;
1.116 + *b = realloc(*b, *bl);
1.117 + }
1.118 + memcpy(*b+*u, add, addlen);
1.119 + *u += addlen;
1.120 +}
1.121 +
1.122 +/*
1.123 + * Creates a new string from in where the first occurance of sub is
1.124 + * replaced by rep.
1.125 + */
1.126 +char *replace_substring(char *in, char *sub, char *rep)
1.127 +{
1.128 + int in_len = strlen(in);
1.129 + int sub_len = strlen(sub);
1.130 + int rep_len = strlen(rep);
1.131 + char *out = malloc(in_len - sub_len + rep_len + 1);
1.132 + char *p;
1.133 +
1.134 + if (!(p = strstr(in, sub))) {
1.135 + // If sub isn't a substring of in, just return in.
1.136 + return in;
1.137 + }
1.138 +
1.139 + // Copy characters from beginning of in to start of sub.
1.140 + strncpy(out, in, p - in);
1.141 + out[p - in] = '\0';
1.142 +
1.143 + sprintf(out + (p - in), "%s%s", rep, p + sub_len);
1.144 +
1.145 + return out;
1.146 +}
1.147 +
1.148 +char* msys_path_list; // @-separated list of paths prefix to look for
1.149 +char* msys_path_list_end; // Points to last \0 in msys_path_list.
1.150 +
1.151 +void setup_msys_path_list(char* argument)
1.152 +{
1.153 + char* p;
1.154 + char* drive_letter_pos;
1.155 +
1.156 + msys_path_list = strdup(&argument[2]);
1.157 + msys_path_list_end = &msys_path_list[strlen(msys_path_list)];
1.158 +
1.159 + // Convert all at-sign (@) in path list to \0.
1.160 + // @ was chosen as separator to minimize risk of other tools messing around with it
1.161 + p = msys_path_list;
1.162 + do {
1.163 + if (p[1] == ':') {
1.164 + // msys has mangled our path list, restore it from c:/... to /c/...
1.165 + drive_letter_pos = p+1;
1.166 + *drive_letter_pos = *p;
1.167 + *p = '/';
1.168 + }
1.169 +
1.170 + // Look for an @ in the list
1.171 + p = strchr(p, '@');
1.172 + if (p != NULL) {
1.173 + *p = '\0';
1.174 + p++;
1.175 + }
1.176 + } while (p != NULL);
1.177 +}
1.178 +
1.179 +char *replace_cygdrive_msys(char *in)
1.180 +{
1.181 + char* str;
1.182 + char* prefix;
1.183 + char* p;
1.184 +
1.185 + str = strdup(in);
1.186 +
1.187 + // For each prefix in the path list, search for it and replace /c/... with c:/...
1.188 + for (prefix = msys_path_list; prefix < msys_path_list_end && prefix != NULL; prefix += strlen(prefix)+1) {
1.189 + p=str;
1.190 + while ((p = strstr(p, prefix))) {
1.191 + char* drive_letter = p+1;
1.192 + *p = *drive_letter;
1.193 + *drive_letter = ':';
1.194 + p++;
1.195 + }
1.196 + }
1.197 +
1.198 + return str;
1.199 +}
1.200 +
1.201 +char*(*replace_cygdrive)(char *in) = NULL;
1.202 +
1.203 +char *files_to_delete[1024];
1.204 +int num_files_to_delete = 0;
1.205 +
1.206 +char *fix_at_file(char *in)
1.207 +{
1.208 + char *tmpdir;
1.209 + char name[2048];
1.210 + char *atname;
1.211 + char *buffer;
1.212 + size_t buflen=65536;
1.213 + size_t used=0;
1.214 + size_t len;
1.215 + int rc;
1.216 + FILE *atout;
1.217 + FILE *atin;
1.218 + char block[2048];
1.219 + size_t blocklen;
1.220 + char *fixed;
1.221 +
1.222 + atin = fopen(in+1, "r");
1.223 + if (atin == NULL) {
1.224 + fprintf(stderr, "Could not read at file %s\n", in+1);
1.225 + exit(-1);
1.226 + }
1.227 +
1.228 + tmpdir = getenv("TMP");
1.229 + if (tmpdir == NULL) {
1.230 + tmpdir = "c:/cygwin/tmp";
1.231 + }
1.232 + _snprintf(name, sizeof(name), "%s\\atfile_XXXXXX", tmpdir);
1.233 +
1.234 + rc = _mktemp_s(name, strlen(name)+1);
1.235 + if (rc) {
1.236 + fprintf(stderr, "Could not create temporary file name for at file!\n");
1.237 + exit(-1);
1.238 + }
1.239 +
1.240 + atout = fopen(name, "w");
1.241 + if (atout == NULL) {
1.242 + fprintf(stderr, "Could not open temporary file for writing! %s\n", name);
1.243 + exit(-1);
1.244 + }
1.245 +
1.246 + buffer = malloc(buflen);
1.247 + while((blocklen = fread(block,1,sizeof(block),atin)) > 0) {
1.248 + append(&buffer, &buflen, &used, block, blocklen);
1.249 + }
1.250 + buffer[used] = 0;
1.251 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.252 + fprintf(stderr, "fixpath input from @-file %s: %s\n", &in[1], buffer);
1.253 + }
1.254 + fixed = replace_cygdrive(buffer);
1.255 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.256 + fprintf(stderr, "fixpath converted to @-file %s is: %s\n", name, fixed);
1.257 + }
1.258 + fwrite(fixed, strlen(fixed), 1, atout);
1.259 + fclose(atin);
1.260 + fclose(atout);
1.261 + free(fixed);
1.262 + free(buffer);
1.263 + files_to_delete[num_files_to_delete] = malloc(strlen(name)+1);
1.264 + strcpy(files_to_delete[num_files_to_delete], name);
1.265 + num_files_to_delete++;
1.266 + atname = malloc(strlen(name)+2);
1.267 + atname[0] = '@';
1.268 + strcpy(atname+1, name);
1.269 + return atname;
1.270 +}
1.271 +
1.272 +int main(int argc, char **argv)
1.273 +{
1.274 + STARTUPINFO si;
1.275 + PROCESS_INFORMATION pi;
1.276 + unsigned short rc;
1.277 +
1.278 + char *new_at_file;
1.279 + char *old_at_file;
1.280 + char *line;
1.281 + int i;
1.282 + DWORD exitCode;
1.283 +
1.284 + if (argc<3 || argv[1][0] != '-' || (argv[1][1] != 'c' && argv[1][1] != 'm')) {
1.285 + fprintf(stderr, "Usage: fixpath -c|m<path@path@...> /cygdrive/c/WINDOWS/notepad.exe /cygdrive/c/x/test.txt\n");
1.286 + exit(0);
1.287 + }
1.288 +
1.289 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.290 + fprintf(stderr, "fixpath input line >%s<\n", strstr(GetCommandLine(), argv[1]));
1.291 + }
1.292 +
1.293 + if (argv[1][1] == 'c' && argv[1][2] == '\0') {
1.294 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.295 + fprintf(stderr, "using cygwin mode\n");
1.296 + }
1.297 + replace_cygdrive = replace_cygdrive_cygwin;
1.298 + } else if (argv[1][1] == 'm') {
1.299 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.300 + fprintf(stderr, "using msys mode, with path list: %s\n", &argv[1][2]);
1.301 + }
1.302 + setup_msys_path_list(argv[1]);
1.303 + replace_cygdrive = replace_cygdrive_msys;
1.304 + } else {
1.305 + fprintf(stderr, "Unknown mode: %s\n", argv[1]);
1.306 + exit(-1);
1.307 + }
1.308 + line = replace_cygdrive(strstr(GetCommandLine(), argv[2]));
1.309 +
1.310 + for (i=1; i<argc; ++i) {
1.311 + if (argv[i][0] == '@') {
1.312 + // Found at-file! Fix it!
1.313 + old_at_file = replace_cygdrive(argv[i]);
1.314 + new_at_file = fix_at_file(old_at_file);
1.315 + line = replace_substring(line, old_at_file, new_at_file);
1.316 + }
1.317 + }
1.318 +
1.319 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.320 + fprintf(stderr, "fixpath converted line >%s<\n", line);
1.321 + }
1.322 +
1.323 + ZeroMemory(&si,sizeof(si));
1.324 + si.cb=sizeof(si);
1.325 + ZeroMemory(&pi,sizeof(pi));
1.326 +
1.327 + rc = CreateProcess(NULL,
1.328 + line,
1.329 + 0,
1.330 + 0,
1.331 + TRUE,
1.332 + 0,
1.333 + 0,
1.334 + 0,
1.335 + &si,
1.336 + &pi);
1.337 + if(!rc) {
1.338 + // Could not start process for some reason. Try to report why:
1.339 + report_error();
1.340 + exit(rc);
1.341 + }
1.342 +
1.343 + WaitForSingleObject(pi.hProcess,INFINITE);
1.344 + GetExitCodeProcess(pi.hProcess,&exitCode);
1.345 +
1.346 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.347 + for (i=0; i<num_files_to_delete; ++i) {
1.348 + fprintf(stderr, "Not deleting temporary fixpath file %s\n",
1.349 + files_to_delete[i]);
1.350 + }
1.351 + }
1.352 + else {
1.353 + for (i=0; i<num_files_to_delete; ++i) {
1.354 + remove(files_to_delete[i]);
1.355 + }
1.356 + }
1.357 +
1.358 + exit(exitCode);
1.359 +}
