1 | #ifndef URLADER |
1 | /* |
2 | # define URLADER "urlader" |
2 | * Copyright (c) 2012 Marc Alexander Lehmann <schmorp@schmorp.de> |
3 | #endif |
3 | * |
4 | #define URLADER_VERSION "1.0" // a decimal number, not a version string |
4 | * Redistribution and use in source and binary forms, with or without modifica- |
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5 | * tion, are permitted provided that the following conditions are met: |
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6 | * |
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7 | * 1. Redistributions of source code must retain the above copyright notice, |
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8 | * this list of conditions and the following disclaimer. |
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9 | * |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * |
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14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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15 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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16 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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17 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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18 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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20 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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21 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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22 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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23 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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24 | * |
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25 | * Alternatively, the contents of this file may be used under the terms of |
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26 | * the GNU General Public License ("GPL") version 2 or any later version, |
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27 | * in which case the provisions of the GPL are applicable instead of |
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28 | * the above. If you wish to allow the use of your version of this file |
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29 | * only under the terms of the GPL and not to allow others to use your |
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30 | * version of this file under the BSD license, indicate your decision |
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31 | * by deleting the provisions above and replace them with the notice |
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32 | * and other provisions required by the GPL. If you do not delete the |
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33 | * provisions above, a recipient may use your version of this file under |
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34 | * either the BSD or the GPL. |
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35 | */ |
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36 | |
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37 | #include "urlib.h" |
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38 | #include "urlib.c" |
5 | |
39 | |
6 | #include <stdio.h> |
40 | #include <stdio.h> |
7 | #include <stdlib.h> |
41 | #include <stdlib.h> |
8 | #include <unistd.h> |
42 | #include <unistd.h> |
9 | #include <errno.h> |
43 | #include <errno.h> |
10 | #include <string.h> |
44 | #include <string.h> |
11 | #include <time.h> |
45 | #include <time.h> |
12 | #include <fcntl.h> |
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13 | |
46 | |
14 | #include "liblzf/lzf_d.c" |
47 | #include "liblzf/lzf_d.c" |
15 | |
48 | |
16 | #define TAIL_MAGIC "SCHMORPPACK0" |
49 | /* some simple? dynamic memory management for paths might save ltos of ram */ |
17 | |
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18 | #ifdef _WIN32 |
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19 | |
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20 | #include <windows.h> |
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21 | //#include <winbase.h> |
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22 | #include <shlobj.h> |
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23 | #include <shlwapi.h> |
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24 | #include <wininet.h> |
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25 | |
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26 | static DWORD dword; |
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27 | |
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28 | #define u_handle HANDLE |
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29 | #define u_valid(handle) (!!handle) |
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30 | |
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31 | #define u_setenv(name,value) SetEnvironmentVariable (name, value) |
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32 | #define u_mkdir(path) !CreateDirectory (path, NULL) |
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33 | #define u_chdir(path) !SetCurrentDirectory (path) |
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34 | #define u_rename(fr,to) !MoveFile (fr, to) |
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35 | #define u_open(path) CreateFile (path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL) |
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36 | #define u_creat(path,exec) CreateFile (path, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL) |
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37 | #define u_close(handle) CloseHandle (handle) |
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38 | #define u_append(path,add) PathAppend (path, add) |
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39 | #define u_write(handle,data,len) (WriteFile (handle, data, len, &dword, 0) ? dword : -1) |
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40 | |
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41 | #define u_fsync(handle) FlushFileBuffers (handle) |
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42 | #define u_sync() |
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43 | |
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44 | #else |
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45 | |
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46 | #include <sys/mman.h> |
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47 | #include <sys/types.h> |
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48 | #include <pwd.h> |
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49 | |
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50 | #ifdef PATH_MAX |
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51 | #define MAX_PATH (PATH_MAX < 4096 ? 4096 : PATH_MAX) |
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52 | #else |
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53 | #define MAX_PATH 4096 |
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54 | #endif |
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55 | |
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56 | #define u_handle int |
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57 | #define u_valid(fd) ((fd) >= 0) |
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58 | |
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59 | #define u_setenv(name,value) setenv (name, value, 1) |
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60 | #define u_mkdir(path) mkdir (path, 0777) |
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61 | #define u_chdir(path) chdir (path) |
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62 | #define u_rename(fr,to) rename (fr, to) |
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63 | #define u_open(path) open (path, O_RDONLY) |
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64 | #define u_creat(path,exec) open (path, O_WRONLY | O_CREAT | O_TRUNC, (exec) ? 0777 : 0666) |
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65 | #define u_close(handle) close (handle) |
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66 | #define u_append(path,add) strcat (strcat (path, "/"), add) |
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67 | #define u_write(handle,data,len) write (handle, data, len) |
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68 | |
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69 | // on a mostly idle system, a sync at the end is certainly faster, hope for the best |
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70 | #define u_fsync(handle) |
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71 | #define u_sync() sync () |
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72 | |
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73 | #endif |
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74 | |
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75 | #define u_16(ptr) (((ptr)[0] << 8) | (ptr)[1]) |
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76 | #define u_32(ptr) (((ptr)[0] << 24) | ((ptr)[1] << 16) | ((ptr)[2] << 8) | (ptr)[3]) |
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77 | |
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78 | static u_handle pack_handle; |
50 | static u_handle pack_handle; |
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51 | static u_handle lock_handle; |
79 | static char tmppath[MAX_PATH]; |
52 | static char tmppath[MAX_PATH]; |
80 | static char currdir[MAX_PATH]; |
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81 | static char datadir[MAX_PATH]; // %AppData%/urlader |
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82 | static char exe_dir[MAX_PATH]; // %AppData%/urlader/EXE_ID |
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83 | static char execdir[MAX_PATH]; // %AppData%/urlader/EXE_ID/EXE_VER |
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84 | static char exe_id[MAX_PATH]; |
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85 | static char exe_ver[MAX_PATH]; |
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86 | |
53 | |
87 | static int exe_argc; |
54 | static int exe_argc; |
88 | static const char *exe_argv[32]; |
55 | static u_dynbuf exe_argv; |
89 | |
56 | static u_dynbuf exe_args; /* actual arguments strings copied here */ |
90 | static void |
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91 | fatal (const char *msg) |
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92 | { |
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93 | #ifdef _WIN32 |
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94 | MessageBox (0, msg, URLADER, 0); |
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95 | #else |
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96 | fprintf (stderr, "%s: %s\n", URLADER, msg); |
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97 | #endif |
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98 | |
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99 | _exit (1); |
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100 | } |
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101 | |
57 | |
102 | static void |
58 | static void |
103 | tmpdir (const char *dir) |
59 | tmpdir (const char *dir) |
104 | { |
60 | { |
105 | static int cnt; |
61 | static int cnt; |
… | |
… | |
116 | return; |
72 | return; |
117 | } |
73 | } |
118 | } |
74 | } |
119 | |
75 | |
120 | static void |
76 | static void |
121 | systemv (const char *const argv[], int dowait) |
77 | systemv (const char *const argv[]) |
122 | { |
78 | { |
123 | #ifdef _WIN32 |
79 | #ifdef _WIN32 |
124 | _spawnv (P_WAIT, argv [0], argv); |
80 | _spawnv (P_WAIT, argv [0], argv); |
125 | #else |
81 | #else |
126 | pid_t pid = dowait ? fork () : 0; |
82 | pid_t pid = fork (); |
127 | |
83 | |
128 | if (pid < 0) |
84 | if (pid < 0) |
129 | fatal ("fork failure"); |
85 | u_fatal ("fork failure"); |
130 | |
86 | |
131 | if (!pid) |
87 | if (!pid) |
132 | { |
88 | { |
133 | execv (argv [0], (void *)argv); |
89 | execv (argv [0], (void *)argv); |
134 | _exit (124); |
90 | _exit (124); |
… | |
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147 | const char *argv[] = { getenv ("COMSPEC"), "/c", "rd", "/s", "/q", buf, 0 }; |
103 | const char *argv[] = { getenv ("COMSPEC"), "/c", "rd", "/s", "/q", buf, 0 }; |
148 | sprintf (buf, "\"%s\"", path); |
104 | sprintf (buf, "\"%s\"", path); |
149 | #else |
105 | #else |
150 | const char *argv[] = { "/bin/rm", "-rf", path, 0 }; |
106 | const char *argv[] = { "/bin/rm", "-rf", path, 0 }; |
151 | #endif |
107 | #endif |
152 | systemv (argv, 1); |
108 | systemv (argv); |
153 | } |
109 | } |
154 | |
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155 | enum |
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156 | { |
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157 | T_NULL, // 5 |
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158 | T_META, // 1 : exe_id, exe_ver |
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159 | T_ENV, // 2 : name, value |
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160 | T_ARG, // 3 : arg |
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161 | T_DIR, // 4+: path |
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162 | T_FILE, // 4+: path, data |
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163 | T_NUM |
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164 | }; |
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165 | |
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166 | enum |
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167 | { |
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168 | F_EXEC = 1, |
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169 | F_LZF = 2, |
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170 | F_NULL = 0 |
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171 | }; |
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172 | |
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173 | struct hdr |
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174 | { |
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175 | unsigned char type; |
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176 | unsigned char flags; |
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177 | unsigned char namelen[2]; |
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178 | unsigned char datalen[4]; |
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179 | }; |
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180 | |
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181 | struct tail { |
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182 | unsigned char max_filesize[4]; |
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183 | unsigned char size[4]; |
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184 | char magic[12]; |
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185 | }; |
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186 | |
110 | |
187 | static char *pack_base, *pack_end; |
111 | static char *pack_base, *pack_end; |
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112 | static struct u_pack_tail *pack_tail; |
188 | static struct hdr *pack_cur; |
113 | static struct u_pack_hdr *pack_cur; |
189 | static char *scratch; |
114 | static char *scratch; |
190 | static unsigned int scratch_len; |
115 | static unsigned int scratch_size; |
191 | |
116 | |
192 | #define PACK_NAME ((char *)(pack_cur + 1)) |
117 | #define PACK_NAME ((char *)(pack_cur + 1)) |
193 | #define PACK_DATA (PACK_NAME + u_16 (pack_cur->namelen) + 1) |
118 | #define PACK_DATA (PACK_NAME + u_16 (pack_cur->namelen) + 1) |
194 | #define PACK_VALID pack_cur->type |
119 | #define PACK_VALID pack_cur->type |
195 | |
120 | |
196 | static void |
121 | static void |
197 | pack_next (void) |
122 | pack_next (void) |
198 | { |
123 | { |
199 | unsigned int d = u_32 (pack_cur->datalen); |
124 | unsigned int d = u_32 (pack_cur->datalen); |
200 | |
125 | |
201 | pack_cur = (struct hdr *)(PACK_DATA + d); |
126 | pack_cur = (struct u_pack_hdr *)(PACK_DATA + d); |
202 | } |
127 | } |
203 | |
128 | |
204 | static void |
129 | static void |
205 | pack_unmap (void) |
130 | pack_unmap (void) |
206 | { |
131 | { |
207 | if (!pack_base) |
132 | if (pack_base) |
208 | return; |
133 | { |
209 | |
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210 | free (scratch); |
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211 | |
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212 | #ifdef _WIN32 |
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213 | UnmapViewOfFile (pack_base); |
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214 | #else |
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215 | munmap (pack_base, pack_end - pack_base); |
134 | u_munmap (pack_base, pack_end - pack_base); |
216 | #endif |
135 | pack_base = 0; |
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136 | } |
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137 | |
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138 | if (scratch) |
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139 | { |
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140 | u_free (scratch, scratch_size); |
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141 | scratch = 0; |
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142 | } |
217 | } |
143 | } |
218 | |
144 | |
219 | static int |
145 | static int |
220 | pack_map (void) |
146 | pack_map (void) |
221 | { |
147 | { |
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148 | char *addr; |
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149 | unsigned int size; |
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150 | |
222 | #ifdef _WIN32 |
151 | #ifdef _WIN32 |
223 | BY_HANDLE_FILE_INFORMATION fi; |
152 | BY_HANDLE_FILE_INFORMATION fi; |
224 | |
153 | |
225 | if (!GetFileInformationByHandle (pack_handle, &fi)) |
154 | if (!GetFileInformationByHandle (pack_handle, &fi)) |
226 | return 0; |
155 | return 0; |
227 | |
156 | |
228 | if (fi.nFileSizeHigh) // too big |
157 | size = fi.nFileSizeLow; |
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158 | #else |
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159 | size = lseek (pack_handle, 0, SEEK_END); |
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160 | #endif |
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161 | |
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162 | addr = u_mmap (pack_handle, size); |
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163 | if (!addr) |
229 | return 0; |
164 | return 0; |
230 | |
165 | |
231 | HANDLE handle = CreateFileMapping (pack_handle, 0, PAGE_READONLY, 0, fi.nFileSizeLow, NULL); |
166 | /*pack_unmap ();*/ |
232 | |
167 | |
233 | if (!handle) |
168 | pack_base = addr; |
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169 | pack_end = pack_base + size; |
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170 | |
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171 | pack_tail = (void *)(pack_end - sizeof (*pack_tail)); |
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172 | |
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173 | if (memcmp (pack_tail->magic, TAIL_MAGIC, sizeof (TAIL_MAGIC) - 1)) |
234 | return 0; |
174 | return 0; |
235 | |
175 | |
236 | pack_unmap (); |
176 | pack_cur = (struct u_pack_hdr *)(pack_end - u_32 (pack_tail->size)); |
237 | |
177 | |
238 | pack_base = MapViewOfFile (handle, FILE_MAP_READ, 0, 0, fi.nFileSizeLow); |
178 | if (pack_cur->type != T_META) |
239 | |
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240 | CloseHandle (handle); |
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241 | |
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242 | pack_end = pack_base + fi.nFileSizeLow; |
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243 | #else |
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244 | off_t len = lseek (pack_handle - 1, 0, SEEK_END); |
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245 | |
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246 | pack_unmap (); |
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247 | |
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248 | pack_base = mmap (0, len, PROT_READ, MAP_SHARED, pack_handle - 1, 0); |
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249 | if (pack_base == (void *)-1) |
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250 | pack_base = 0; |
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251 | |
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252 | pack_end = pack_base + len; |
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253 | #endif |
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254 | |
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255 | if (!pack_base) |
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256 | return 0; |
179 | return 0; |
257 | |
180 | |
258 | struct tail *tail; |
181 | scratch = u_malloc (scratch_size = u_32 (pack_tail->max_uncompressed)); |
259 | |
182 | if (!scratch) |
260 | tail = (void *)(pack_end - sizeof (*tail)); |
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261 | |
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262 | if (memcmp (tail->magic, TAIL_MAGIC, sizeof (TAIL_MAGIC) - 1)) |
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263 | return 0; |
183 | return 0; |
264 | |
184 | |
265 | pack_cur = (struct hdr *)(pack_end - u_32 (tail->size)); |
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266 | |
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267 | free (scratch); |
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268 | scratch = malloc (scratch_len = u_32 (tail->max_filesize)); |
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269 | |
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270 | return 1; |
185 | return 1; |
271 | } |
186 | } |
272 | |
187 | |
273 | static void |
188 | static void |
274 | exe_info (void) |
189 | add_arg (char *arg, unsigned int len) |
275 | { |
190 | { |
276 | if (!pack_map ()) |
191 | char *addr = u_dynbuf_append (&exe_args, arg, len); |
277 | fatal ("unable to locate packfile in executable - executable corrupted?"); |
192 | u_dynbuf_append (&exe_argv, &addr, sizeof (addr)); |
278 | |
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279 | if (pack_cur->type != T_META) |
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280 | fatal ("unable to locate executable metadata - executable corrupted?"); |
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281 | |
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282 | strcpy (exe_id, PACK_NAME); |
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283 | } |
193 | } |
284 | |
194 | |
285 | static void |
195 | static void |
286 | load (void) |
196 | load (void) |
287 | { |
197 | { |
288 | u_mkdir (datadir); |
198 | strcpy (exe_id , PACK_NAME); |
289 | |
199 | strcpy (exe_ver, PACK_DATA); |
290 | strcpy (exe_dir, datadir); |
200 | u_set_exe_info (); |
291 | u_append (exe_dir, exe_id); |
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292 | u_mkdir (exe_dir); |
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293 | |
201 | |
294 | if (u_chdir (exe_dir)) |
202 | if (u_chdir (exe_dir)) |
295 | fatal ("unable to change to application data directory"); |
203 | u_fatal ("unable to change to application data directory"); |
296 | |
204 | |
297 | u_handle h = u_open ("override"); |
205 | u_handle h = u_open ("override"); |
298 | if (u_valid (h)) |
206 | if (u_valid (h)) |
299 | { |
207 | { |
300 | u_handle oh = pack_handle; |
208 | u_handle oh = pack_handle; |
301 | |
209 | |
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210 | pack_unmap (); |
302 | pack_handle = h; |
211 | pack_handle = h; |
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212 | |
303 | if (!pack_map ()) |
213 | if (pack_map () |
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214 | && strcmp (exe_id , PACK_NAME) == 0 |
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215 | && strcmp (exe_ver, PACK_DATA) <= 0) |
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216 | u_setenv ("URLADER_OVERRIDE", "override"); |
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217 | else |
304 | { |
218 | { |
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219 | pack_unmap (); |
305 | pack_handle = oh; |
220 | pack_handle = oh; |
306 | oh = h; |
221 | oh = h; |
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222 | pack_map (); |
307 | } |
223 | } |
308 | |
224 | |
309 | u_close (oh); |
225 | u_close (oh); |
310 | } |
226 | } |
311 | |
227 | |
312 | if (pack_cur->type != T_META) |
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313 | fatal ("unable to locate override metadata"); |
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314 | |
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315 | strcpy (exe_ver, PACK_DATA); |
228 | strcpy (exe_ver, PACK_DATA); |
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229 | u_set_exe_info (); |
316 | pack_next (); |
230 | pack_next (); |
317 | |
231 | |
318 | for (;;) |
232 | for (;;) |
319 | { |
233 | { |
320 | if (pack_cur->type == T_ENV) |
234 | if (pack_cur->type == T_ENV) |
321 | u_setenv (PACK_NAME, PACK_DATA); |
235 | u_setenv (PACK_NAME, PACK_DATA); |
322 | else if (pack_cur->type == T_ARG) |
236 | else if (pack_cur->type == T_ARG) |
323 | exe_argv [exe_argc++] = strdup (PACK_NAME); |
237 | add_arg (PACK_NAME, u_16 (pack_cur->namelen) + 1); |
324 | else |
238 | else |
325 | break; |
239 | break; |
326 | |
240 | |
327 | pack_next (); |
241 | pack_next (); |
328 | } |
242 | } |
329 | |
243 | |
330 | done_env_arg: |
244 | done_env_arg: |
331 | strcpy (execdir, exe_dir); |
245 | |
332 | u_append (execdir, "i-"); |
246 | strcat (strcpy (tmppath, execdir), ".lck"); |
333 | strcat (execdir, exe_ver); |
247 | lock_handle = u_lock (tmppath, 0, 1); |
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248 | if (!lock_handle) |
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249 | u_fatal ("unable to lock application instance"); |
334 | |
250 | |
335 | if (access (execdir, F_OK)) |
251 | if (access (execdir, F_OK)) |
336 | { |
252 | { |
337 | // does not exist yet, so unpack and move |
253 | // does not exist yet, so unpack and move |
338 | tmpdir (exe_dir); |
254 | tmpdir (exe_dir); |
339 | |
255 | |
340 | if (u_chdir (tmppath)) |
256 | if (u_chdir (tmppath)) |
341 | fatal ("unable to change to new instance directory"); |
257 | u_fatal ("unable to change to new instance directory"); |
342 | |
258 | |
343 | for (;;) |
259 | for (;;) |
344 | { |
260 | { |
345 | switch (pack_cur->type) |
261 | switch (pack_cur->type) |
346 | { |
262 | { |
… | |
… | |
353 | u_handle h = u_creat (PACK_NAME, pack_cur->flags & F_EXEC); |
269 | u_handle h = u_creat (PACK_NAME, pack_cur->flags & F_EXEC); |
354 | unsigned int dlen, len = u_32 (pack_cur->datalen); |
270 | unsigned int dlen, len = u_32 (pack_cur->datalen); |
355 | char *data = PACK_DATA; |
271 | char *data = PACK_DATA; |
356 | |
272 | |
357 | if (pack_cur->flags & F_LZF) |
273 | if (pack_cur->flags & F_LZF) |
358 | if (dlen = lzf_decompress (data, len, scratch, scratch_len)) |
274 | if (dlen = lzf_decompress (data, len, scratch, scratch_size)) |
359 | { |
275 | { |
360 | data = scratch; |
276 | data = scratch; |
361 | len = dlen; |
277 | len = dlen; |
362 | } |
278 | } |
363 | else |
279 | else |
364 | fatal ("unable to uncompress file data - pack corrupted?"); |
280 | u_fatal ("unable to uncompress file data - pack corrupted?"); |
365 | |
281 | |
366 | if (!u_valid (h)) |
282 | if (!u_valid (h)) |
367 | fatal ("unable to unpack file from packfile - disk full?"); |
283 | u_fatal ("unable to unpack file from packfile - disk full?"); |
368 | |
284 | |
369 | if (u_write (h, data, len) != len) |
285 | if (u_write (h, data, len) != len) |
370 | fatal ("unable to unpack file from packfile - disk full?"); |
286 | u_fatal ("unable to unpack file from packfile - disk full?"); |
371 | |
287 | |
372 | u_fsync (h); |
288 | u_fsync (h); |
373 | u_close (h); |
289 | u_close (h); |
374 | } |
290 | } |
375 | break; |
291 | break; |
… | |
… | |
381 | pack_next (); |
297 | pack_next (); |
382 | } |
298 | } |
383 | |
299 | |
384 | done: |
300 | done: |
385 | if (u_chdir (datadir)) |
301 | if (u_chdir (datadir)) |
386 | fatal ("unable to change to data directory"); |
302 | u_fatal ("unable to change to data directory"); |
387 | |
303 | |
388 | u_sync (); |
304 | u_sync (); |
389 | |
305 | |
390 | if (u_rename (tmppath, execdir)) |
306 | if (u_rename (tmppath, execdir)) |
391 | deltree (tmppath); // if move fails, delete new, assume other process created it independently |
307 | deltree (tmppath); // if move fails, delete new, assume other process created it independently |
… | |
… | |
393 | |
309 | |
394 | pack_unmap (); |
310 | pack_unmap (); |
395 | u_close (pack_handle); |
311 | u_close (pack_handle); |
396 | |
312 | |
397 | if (u_chdir (execdir)) |
313 | if (u_chdir (execdir)) |
398 | fatal ("unable to change to application instance directory"); |
314 | u_fatal ("unable to change to application instance directory"); |
399 | |
315 | |
400 | u_setenv ("URLADER_VERSION", URLADER_VERSION); |
316 | u_setenv ("URLADER_VERSION", URLADER_VERSION); |
401 | u_setenv ("URLADER_DATADIR", datadir); |
|
|
402 | u_setenv ("URLADER_EXECDIR", execdir); |
|
|
403 | u_setenv ("URLADER_EXE_ID" , exe_id); |
|
|
404 | u_setenv ("URLADER_EXE_DIR", exe_dir); |
|
|
405 | u_setenv ("URLADER_EXE_VER", exe_ver); |
|
|
406 | |
317 | |
407 | #if 0 |
318 | #if 0 |
408 | // yes, this is overkill |
319 | // yes, this is overkill |
409 | u_setenv ("SHLIB_PATH" , execdir); // hpux |
320 | u_setenv ("SHLIB_PATH" , execdir); // hpux |
410 | u_setenv ("LIBPATH" , execdir); // aix |
321 | u_setenv ("LIBPATH" , execdir); // aix |
… | |
… | |
418 | } |
329 | } |
419 | |
330 | |
420 | static void |
331 | static void |
421 | execute (void) |
332 | execute (void) |
422 | { |
333 | { |
423 | exe_argv [exe_argc] = 0; |
334 | char *null = 0; |
424 | systemv (exe_argv, 0); |
335 | u_dynbuf_append (&exe_argv, &null, sizeof (null)); |
|
|
336 | systemv ((const char *const *)exe_argv.addr); |
|
|
337 | } |
|
|
338 | |
|
|
339 | // this argc/argv is without argv [0] |
|
|
340 | static void |
|
|
341 | doit (int argc, char *argv[]) |
|
|
342 | { |
|
|
343 | int i; |
|
|
344 | |
|
|
345 | u_setenv ("URLADER_CURRDIR", currdir); |
|
|
346 | |
|
|
347 | u_set_datadir (); |
|
|
348 | u_mkdir (datadir); |
|
|
349 | |
|
|
350 | if (!pack_map ()) |
|
|
351 | u_fatal ("unable to map pack file - executable corrupted?"); |
|
|
352 | |
|
|
353 | load (); |
|
|
354 | |
|
|
355 | while (argc--) |
|
|
356 | { |
|
|
357 | add_arg (*argv, strlen (*argv) + 1); |
|
|
358 | ++argv; |
|
|
359 | } |
|
|
360 | |
|
|
361 | execute (); |
425 | } |
362 | } |
426 | |
363 | |
427 | #ifdef _WIN32 |
364 | #ifdef _WIN32 |
428 | |
365 | |
429 | int APIENTRY |
366 | int APIENTRY |
430 | WinMain (HINSTANCE hI, HINSTANCE hP, LPSTR argv, int command_show) |
367 | WinMain (HINSTANCE hI, HINSTANCE hP, LPSTR argv, int command_show) |
431 | { |
368 | { |
432 | if (!GetModuleFileName (hI, tmppath, sizeof (tmppath))) |
369 | if (!GetModuleFileName (hI, tmppath, sizeof (tmppath))) |
433 | fatal ("unable to find executable pack"); |
370 | u_fatal ("unable to find executable pack"); |
|
|
371 | |
|
|
372 | u_setenv ("URLADER_EXEPATH", tmppath); |
434 | |
373 | |
435 | pack_handle = u_open (tmppath); |
374 | pack_handle = u_open (tmppath); |
436 | if (!u_valid (pack_handle)) |
375 | if (!u_valid (pack_handle)) |
437 | fatal ("unable to open executable pack"); |
376 | u_fatal ("unable to open executable pack"); |
438 | |
|
|
439 | exe_info (); |
|
|
440 | |
377 | |
441 | if (!GetCurrentDirectory (sizeof (currdir), currdir)) |
378 | if (!GetCurrentDirectory (sizeof (currdir), currdir)) |
442 | strcpy (currdir, "."); |
379 | strcpy (currdir, "."); |
443 | |
380 | |
444 | if (SHGetFolderPath (0, CSIDL_APPDATA | CSIDL_FLAG_CREATE, NULL, SHGFP_TYPE_CURRENT, datadir) != S_OK) |
381 | doit (1, &argv); |
445 | fatal ("unable to find application data directory"); |
|
|
446 | |
|
|
447 | u_mkdir (datadir); |
|
|
448 | u_append (datadir, URLADER); |
|
|
449 | |
|
|
450 | load (); |
|
|
451 | execute (); |
|
|
452 | |
382 | |
453 | return 0; |
383 | return 0; |
454 | } |
384 | } |
455 | |
385 | |
456 | #else |
386 | #else |
457 | |
387 | |
458 | int |
388 | int |
459 | main (int argc, char *argv[]) |
389 | main (int argc, char *argv[]) |
460 | { |
390 | { |
461 | char *home = getenv ("HOME"); |
|
|
462 | |
|
|
463 | pack_handle = u_open (argv [0]); |
|
|
464 | if (!u_valid (pack_handle)) |
|
|
465 | fatal ("unable to open executable pack"); |
|
|
466 | |
|
|
467 | exe_info (); |
|
|
468 | |
|
|
469 | if (!home) |
|
|
470 | { |
|
|
471 | struct passwd *pw; |
|
|
472 | |
|
|
473 | if ((pw = getpwuid (getuid ()))) |
|
|
474 | home = pw->pw_dir; |
|
|
475 | else |
|
|
476 | home = "/tmp"; |
|
|
477 | } |
|
|
478 | |
|
|
479 | if (!getcwd (currdir, sizeof (currdir))) |
391 | if (!getcwd (currdir, sizeof (currdir))) |
480 | strcpy (currdir, "."); |
392 | strcpy (currdir, "."); |
481 | |
393 | |
482 | u_mkdir (home); |
394 | { |
483 | sprintf (datadir, "%s/.%s", home, URLADER); |
395 | const char *exe_path = 0; |
484 | u_mkdir (datadir); |
396 | |
|
|
397 | if (strchr (argv [0], '/')) |
|
|
398 | exe_path = argv [0]; |
|
|
399 | else |
|
|
400 | { |
|
|
401 | const char *p, *path = getenv ("PATH"); |
|
|
402 | |
|
|
403 | if (!path) |
|
|
404 | u_fatal ("unable to find executable, try running with full path."); |
|
|
405 | |
|
|
406 | for (p = path; ; ) |
|
|
407 | { |
|
|
408 | const char *e = p; |
|
|
409 | int l; |
|
|
410 | |
|
|
411 | while (*e && *e != ':') |
|
|
412 | ++e; |
|
|
413 | |
|
|
414 | l = e - p; |
|
|
415 | memcpy (tmppath, p, l); |
|
|
416 | |
|
|
417 | if (!l) |
|
|
418 | tmppath [l++] = '.'; |
|
|
419 | |
|
|
420 | tmppath [l++] = '/'; |
|
|
421 | |
|
|
422 | strcpy (tmppath + l, argv [0]); |
|
|
423 | |
|
|
424 | if (!access (tmppath, X_OK)) |
|
|
425 | break; |
|
|
426 | |
|
|
427 | p = e; |
|
|
428 | if (!*p) |
|
|
429 | u_fatal ("unable to find executable, try running with full path."); |
|
|
430 | |
|
|
431 | ++p; |
|
|
432 | } |
|
|
433 | |
|
|
434 | exe_path = tmppath; |
|
|
435 | } |
|
|
436 | |
|
|
437 | pack_handle = u_open (exe_path); |
|
|
438 | if (!u_valid (pack_handle)) |
|
|
439 | u_fatal ("unable to open executable for reading - permissions problem?"); |
|
|
440 | |
|
|
441 | u_setenv ("URLADER_EXEPATH", exe_path); |
|
|
442 | } |
485 | |
443 | |
486 | #if 0 |
444 | #if 0 |
|
|
445 | /* intersperse hostname, for whatever reason */ |
|
|
446 | |
487 | if (gethostname (tmppath, sizeof (tmppath))) |
447 | if (gethostname (tmppath, sizeof (tmppath))) |
488 | strcpy (tmppath, "default"); |
448 | strcpy (tmppath, "default"); |
489 | |
449 | |
490 | u_append (datadir, tmppath); |
450 | u_append (datadir, tmppath); |
491 | #endif |
451 | #endif |
492 | |
452 | |
493 | load (); |
453 | doit (argc - 1, argv + 1); |
494 | execute (); |
|
|
495 | |
454 | |
496 | return 0; |
455 | return 0; |
497 | } |
456 | } |
498 | |
457 | |
499 | #endif |
458 | #endif |