1 | #ifndef URLADER |
1 | #ifndef URLADER |
2 | # define URLADER "urlader" |
2 | # define URLADER "urlader" |
3 | #endif |
3 | #endif |
4 | #define URLADER_VERSION "1.0" |
4 | #define URLADER_VERSION "1.0" // a decimal number, not a version string |
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5 | |
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6 | #define MAX_ARGC 32 |
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7 | #define MAX_ARGS 256 |
5 | |
8 | |
6 | #include <stdio.h> |
9 | #include <stdio.h> |
7 | #include <stdlib.h> |
10 | #include <stdlib.h> |
8 | #include <unistd.h> |
11 | #include <unistd.h> |
9 | #include <errno.h> |
12 | #include <errno.h> |
10 | #include <string.h> |
13 | #include <string.h> |
11 | #include <time.h> |
14 | #include <time.h> |
12 | #include <fcntl.h> |
15 | #include <fcntl.h> |
13 | |
16 | |
14 | #include "lzf_d.c" |
17 | #include "liblzf/lzf_d.c" |
15 | |
18 | |
16 | #define TAIL_MAGIC "SCHMORPPACK0" |
19 | #define TAIL_MAGIC "SCHMORPPACK0" |
17 | |
20 | |
18 | #ifdef _WIN32 |
21 | #ifdef _WIN32 |
19 | |
22 | |
20 | #include <windows.h> |
23 | #include <windows.h> |
21 | //#include <winbase.h> |
24 | //#include <winbase.h> |
22 | #include <shlobj.h> |
25 | #include <shlobj.h> |
23 | #include <shlwapi.h> |
26 | #include <shlwapi.h> |
24 | #include <wininet.h> |
27 | #include <wininet.h> |
25 | |
28 | |
26 | static DWORD dword; |
29 | static DWORD dword; |
27 | |
30 | |
28 | #define u_handle HANDLE |
31 | #define u_handle HANDLE |
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32 | #define u_invalid_handle 0 |
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33 | #define u_valid(handle) (!!handle) |
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34 | |
29 | #define u_setenv(name,value) SetEnvironmentVariable (name, value) |
35 | #define u_setenv(name,value) SetEnvironmentVariable (name, value) |
30 | #define u_mkdir(path) !CreateDirectory (path, NULL) |
36 | #define u_mkdir(path) !CreateDirectory (path, NULL) |
31 | #define u_chdir(path) !SetCurrentDirectory (path) |
37 | #define u_chdir(path) !SetCurrentDirectory (path) |
32 | #define u_rename(fr,to) !MoveFile (fr, to) |
38 | #define u_rename(fr,to) !MoveFile (fr, to) |
33 | #define u_open(path) CreateFile (path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL) |
39 | #define u_open(path) CreateFile (path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL) |
34 | #define u_creat(path,exec) CreateFile (path, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL) |
40 | #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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41 | #define u_creat(path,exec) CreateFile (path, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL) |
35 | #define u_close(handle) CloseHandle (handle) |
42 | #define u_close(handle) CloseHandle (handle) |
36 | #define u_append(path,add) PathAppend (path, add) |
43 | #define u_append(path,add) PathAppend (path, add) |
37 | #define u_write(handle,data,len) (WriteFile (handle, data, len, &dword, 0) ? dword : -1) |
44 | #define u_write(handle,data,len) (WriteFile (handle, data, len, &dword, 0) ? dword : -1) |
38 | |
45 | |
39 | #else |
46 | #define u_fsync(handle) FlushFileBuffers (handle) |
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47 | #define u_sync() |
40 | |
48 | |
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49 | #define u_lockfile(path) CreateFile (path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL) |
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50 | #define u_cloexec(handle) |
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51 | // acquire shared in addition to excl, then unlock excl |
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52 | #define u_lock_write_to_read(wait) u_lock (U_LOCK_READ, 1); u_lock (U_UNLOCK, 1); |
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53 | |
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54 | #else |
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55 | |
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56 | #define _GNU_SOURCE 1 |
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57 | #define _BSD_SOURCE 1 |
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58 | // the above increases our chances of getting MAP_ANONYMOUS |
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59 | |
41 | #include <sys/mman.h> |
60 | #include <sys/mman.h> |
42 | #include <sys/types.h> |
61 | #include <sys/types.h> |
43 | #include <pwd.h> |
62 | #include <pwd.h> |
44 | |
63 | |
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64 | #if defined (MAP_ANON) && !defined (MAP_ANONYMOUS) |
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65 | #define MAP_ANONYMOUS MAP_ANON |
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66 | #endif |
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67 | |
45 | #ifdef PATH_MAX |
68 | #ifdef PATH_MAX |
46 | #define MAX_PATH (PATH_MAX < 4096 ? 4096 : PATH_MAX) |
69 | #define MAX_PATH (PATH_MAX < 4096 ? 4096 : PATH_MAX) |
47 | #else |
70 | #else |
48 | #define MAX_PATH 4096 |
71 | #define MAX_PATH 4096 |
49 | #endif |
72 | #endif |
50 | |
73 | |
51 | #define u_handle int |
74 | #define u_handle int |
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75 | #define u_invalid_handle -1 |
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76 | #define u_valid(fd) ((fd) >= 0) |
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77 | |
52 | #define u_setenv(name,value) setenv (name, value, 1) |
78 | #define u_setenv(name,value) setenv (name, value, 1) |
53 | #define u_mkdir(path) mkdir (path, 0777) |
79 | #define u_mkdir(path) mkdir (path, 0777) |
54 | #define u_chdir(path) chdir (path) |
80 | #define u_chdir(path) chdir (path) |
55 | #define u_rename(fr,to) rename (fr, to) |
81 | #define u_rename(fr,to) rename (fr, to) |
56 | #define u_open(path) open (path, O_RDONLY) + 1 |
82 | #define u_open(path) open (path, O_RDONLY) |
57 | #define u_creat(path,exec) open (path, O_WRONLY | O_CREAT | O_TRUNC, (exec) ? 0777 : 0666) + 1 |
83 | #define u_creat(path,exec) open (path, O_WRONLY | O_CREAT | O_TRUNC, (exec) ? 0777 : 0666) |
58 | #define u_close(handle) close (handle - 1) |
84 | #define u_close(handle) close (handle) |
59 | #define u_append(path,add) strcat (strcat (path, "/"), add) |
85 | #define u_append(path,add) strcat (strcat (path, "/"), add) |
60 | #define u_write(handle,data,len) write ((handle) - 1, data, len) |
86 | #define u_write(handle,data,len) write (handle, data, len) |
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87 | |
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88 | // on a mostly idle system, a sync at the end is certainly faster, hope for the best |
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89 | #define u_fsync(handle) |
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90 | #define u_sync() sync () |
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91 | |
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92 | #define u_lockfile(path) open (path, O_RDWR | O_CREAT, 0666) |
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93 | #define u_cloexec(handle) fcntl (handle, F_SETFD, FD_CLOEXEC) |
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94 | #define u_lock_write_to_read(wait) u_lock (U_LOCK_READ, 1); |
61 | |
95 | |
62 | #endif |
96 | #endif |
63 | |
97 | |
64 | #define u_16(ptr) (((ptr)[0] << 8) | (ptr)[1]) |
98 | #define u_16(ptr) (((ptr)[0] << 8) | (ptr)[1]) |
65 | #define u_32(ptr) (((ptr)[0] << 24) | ((ptr)[1] << 16) | ((ptr)[2] << 8) | (ptr)[3]) |
99 | #define u_32(ptr) (((ptr)[0] << 24) | ((ptr)[1] << 16) | ((ptr)[2] << 8) | (ptr)[3]) |
66 | |
100 | |
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101 | /* some simple? dynamic memory management for paths might save ltos of ram */ |
67 | static u_handle pack_handle; |
102 | static u_handle pack_handle; |
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103 | static u_handle lock_handle; |
68 | static char tmppath[MAX_PATH]; |
104 | static char tmppath[MAX_PATH]; |
69 | static char currdir[MAX_PATH]; |
105 | static char currdir[MAX_PATH]; |
70 | static char datadir[MAX_PATH]; // %AppData%/urlader |
106 | static char datadir[MAX_PATH]; // %AppData%/urlader |
71 | static char exe_dir[MAX_PATH]; // %AppData%/urlader/EXE_ID |
107 | static char exe_dir[MAX_PATH]; // %AppData%/urlader/EXE_ID |
72 | static char execdir[MAX_PATH]; // %AppData%/urlader/EXE_ID/EXE_VER |
108 | static char execdir[MAX_PATH]; // %AppData%/urlader/EXE_ID/EXE_VER |
73 | static char exe_id[MAX_PATH]; |
109 | static char exe_id[MAX_PATH]; |
74 | static char exe_ver[MAX_PATH]; |
110 | static char exe_ver[MAX_PATH]; |
75 | |
111 | |
76 | static int exe_argc; |
112 | static int exe_argc; |
77 | static const char *exe_argv[32]; |
113 | static const char *exe_argv[MAX_ARGC]; |
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114 | static char exe_args[MAX_ARGS]; /* actual arguments strings copied here */ |
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115 | static unsigned int exe_argo; |
78 | |
116 | |
79 | static void |
117 | static void |
80 | fatal (const char *msg) |
118 | fatal (const char *msg) |
81 | { |
119 | { |
82 | #ifdef _WIN32 |
120 | #ifdef _WIN32 |
83 | MessageBox (0, msg, URLADER, 0); |
121 | MessageBox (0, msg, URLADER, 0); |
84 | #else |
122 | #else |
85 | fprintf (stderr, "%s: %s\n", URLADER, msg); |
123 | write (2, URLADER ": ", sizeof (URLADER ": ") - 1); |
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124 | write (2, msg, strlen (msg)); |
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125 | write (2, "\n", 1); |
86 | #endif |
126 | #endif |
87 | |
127 | |
88 | _exit (1); |
128 | _exit (1); |
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129 | } |
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130 | |
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131 | static void * |
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132 | u_malloc (unsigned int size) |
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133 | { |
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134 | void *addr; |
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135 | |
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136 | #ifdef _WIN32 |
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137 | HANDLE handle = CreateFileMapping (0, 0, PAGE_READWRITE, 0, size, NULL); |
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138 | |
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139 | if (!handle) |
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140 | return 0; |
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141 | |
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142 | addr = MapViewOfFile (handle, FILE_MAP_WRITE, 0, 0, size); |
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143 | |
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144 | CloseHandle (handle); |
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145 | #elif defined (MAP_ANONYMOUS) |
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146 | addr = mmap (0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); |
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147 | |
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148 | if (addr == (void *)-1) |
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149 | addr = 0; |
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150 | #else |
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151 | addr = malloc (size); |
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152 | #endif |
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153 | |
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154 | return addr; |
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155 | } |
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156 | |
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157 | static void |
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158 | u_free (void *addr, unsigned int size) |
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159 | { |
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160 | #ifdef _WIN32 |
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161 | UnmapViewOfFile (addr); |
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162 | #elif defined (MAP_ANONYMOUS) |
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163 | munmap (addr, size); |
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164 | #else |
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165 | free (addr); |
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166 | #endif |
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167 | } |
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168 | |
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169 | static void * |
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170 | u_mmap (u_handle h, unsigned int size) |
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171 | { |
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172 | void *addr; |
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173 | |
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174 | #ifdef _WIN32 |
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175 | HANDLE handle = CreateFileMapping (h, 0, PAGE_READONLY, 0, size, NULL); |
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176 | |
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177 | if (!handle) |
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178 | return 0; |
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179 | |
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180 | addr = MapViewOfFile (handle, FILE_MAP_READ, 0, 0, size); |
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181 | |
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182 | CloseHandle (handle); |
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183 | #else |
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184 | addr = mmap (0, size, PROT_READ, MAP_SHARED, h, 0); |
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185 | |
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186 | if (addr == (void *)-1) |
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187 | addr = 0; |
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188 | #endif |
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189 | |
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190 | return addr; |
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191 | } |
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192 | |
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193 | static void |
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194 | u_munmap (void *addr, unsigned int len) |
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195 | { |
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196 | #ifdef _WIN32 |
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197 | UnmapViewOfFile (addr); |
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198 | #else |
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199 | munmap (addr, len); |
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200 | #endif |
89 | } |
201 | } |
90 | |
202 | |
91 | static void |
203 | static void |
92 | tmpdir (const char *dir) |
204 | tmpdir (const char *dir) |
93 | { |
205 | { |
… | |
… | |
102 | // #endif |
214 | // #endif |
103 | |
215 | |
104 | if (!u_mkdir (tmppath)) |
216 | if (!u_mkdir (tmppath)) |
105 | return; |
217 | return; |
106 | } |
218 | } |
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219 | } |
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220 | |
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221 | enum |
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222 | { |
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223 | U_UNLOCK, |
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224 | U_LOCK_READ, |
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225 | U_LOCK_WRITE |
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226 | }; |
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227 | |
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228 | static int |
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229 | u_lock (int mode, int dowait) |
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230 | { |
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231 | #ifdef _WIN32 |
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232 | if (mode == U_UNLOCK) |
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233 | return !UnlockFile (lock_handle, 0, 0, 1, 0); |
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234 | else |
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235 | { |
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236 | OVERLAPPED ov = { 0 }; |
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237 | |
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238 | return !LockFileEx (lock_handle, |
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239 | 0 |
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240 | | (mode == U_LOCK_WRITE ? LOCKFILE_EXCLUSIVE_LOCK : 0) |
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241 | | (dowait ? 0 : LOCKFILE_FAIL_IMMEDIATELY), |
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242 | 0, |
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243 | 1, 0, |
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244 | &ov); |
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245 | } |
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246 | #else |
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247 | static short mode2lck [] = { F_UNLCK, F_RDLCK, F_WRLCK }; |
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248 | struct flock lck; |
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249 | lck.l_type = mode2lck [mode]; |
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250 | lck.l_whence = SEEK_SET; |
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251 | lck.l_start = 0; |
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252 | lck.l_len = 1; |
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253 | |
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254 | return fcntl (lock_handle, dowait ? F_SETLKW : F_SETLK, &lck); |
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255 | #endif |
107 | } |
256 | } |
108 | |
257 | |
109 | static void |
258 | static void |
110 | systemv (const char *const argv[]) |
259 | systemv (const char *const argv[]) |
111 | { |
260 | { |
… | |
… | |
139 | const char *argv[] = { "/bin/rm", "-rf", path, 0 }; |
288 | const char *argv[] = { "/bin/rm", "-rf", path, 0 }; |
140 | #endif |
289 | #endif |
141 | systemv (argv); |
290 | systemv (argv); |
142 | } |
291 | } |
143 | |
292 | |
144 | static void |
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145 | execute (void) |
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146 | { |
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147 | exe_argv [exe_argc] = 0; |
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148 | systemv (exe_argv); |
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149 | } |
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150 | |
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151 | enum |
293 | enum |
152 | { |
294 | { |
153 | T_NULL, // 5 |
295 | T_NULL, // 5 |
154 | T_META, // 1 : exe_id, exe_ver |
296 | T_META, // 1 : exe_id, exe_ver |
155 | T_ARG, // 2 : arg |
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156 | T_ENV, // 3 : name, value |
297 | T_ENV, // 2 : name, value |
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298 | T_ARG, // 3 : arg |
157 | T_DIR, // 4+: path |
299 | T_DIR, // 4+: path |
158 | T_FILE, // 4+: path, data |
300 | T_FILE, // 4+: path, data |
159 | T_NUM |
301 | T_NUM |
160 | }; |
302 | }; |
161 | |
303 | |
… | |
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180 | char magic[12]; |
322 | char magic[12]; |
181 | }; |
323 | }; |
182 | |
324 | |
183 | static char *pack_base, *pack_end; |
325 | static char *pack_base, *pack_end; |
184 | static struct hdr *pack_cur; |
326 | static struct hdr *pack_cur; |
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327 | static char *scratch; |
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328 | static unsigned int scratch_size; |
185 | |
329 | |
186 | #define PACK_NAME ((char *)(pack_cur + 1)) |
330 | #define PACK_NAME ((char *)(pack_cur + 1)) |
187 | #define PACK_DATA (PACK_NAME + u_16 (pack_cur->namelen) + 1) |
331 | #define PACK_DATA (PACK_NAME + u_16 (pack_cur->namelen) + 1) |
188 | #define PACK_VALID pack_cur->type |
332 | #define PACK_VALID pack_cur->type |
189 | |
333 | |
… | |
… | |
196 | } |
340 | } |
197 | |
341 | |
198 | static void |
342 | static void |
199 | pack_unmap (void) |
343 | pack_unmap (void) |
200 | { |
344 | { |
201 | if (!pack_base) |
345 | if (pack_base) |
202 | return; |
346 | { |
203 | |
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204 | #ifdef _WIN32 |
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205 | UnmapViewOfFile (pack_base); |
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206 | #else |
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207 | munmap (pack_base, pack_end - pack_base); |
347 | u_munmap (pack_base, pack_end - pack_base); |
208 | #endif |
348 | pack_base = 0; |
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349 | } |
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350 | |
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351 | if (scratch) |
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352 | { |
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353 | u_free (scratch, scratch_size); |
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354 | scratch = 0; |
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355 | } |
209 | } |
356 | } |
210 | |
357 | |
211 | static int |
358 | static int |
212 | pack_map (void) |
359 | pack_map (void) |
213 | { |
360 | { |
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361 | char *addr; |
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362 | unsigned int size; |
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363 | |
214 | #ifdef _WIN32 |
364 | #ifdef _WIN32 |
215 | BY_HANDLE_FILE_INFORMATION fi; |
365 | BY_HANDLE_FILE_INFORMATION fi; |
216 | |
366 | |
217 | if (!GetFileInformationByHandle (pack_handle, &fi)) |
367 | if (!GetFileInformationByHandle (pack_handle, &fi)) |
218 | return 0; |
368 | return 0; |
219 | |
369 | |
220 | if (fi.nFileSizeHigh) // too big |
370 | size = fi.nFileSizeLow; |
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371 | #else |
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372 | size = lseek (pack_handle, 0, SEEK_END); |
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373 | #endif |
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374 | |
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375 | addr = u_mmap (pack_handle, size); |
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376 | if (!addr) |
221 | return 0; |
377 | return 0; |
222 | |
378 | |
223 | HANDLE handle = CreateFileMapping (pack_handle, 0, PAGE_READONLY, 0, fi.nFileSizeLow, NULL); |
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224 | |
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225 | if (!handle) |
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226 | return 0; |
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227 | |
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228 | pack_unmap (); |
379 | pack_unmap (); |
229 | |
380 | |
230 | pack_base = MapViewOfFile (handle, FILE_MAP_READ, 0, 0, fi.nFileSizeLow); |
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231 | |
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232 | CloseHandle (handle); |
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233 | |
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234 | pack_end = pack_base + fi.nFileSizeLow; |
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235 | #else |
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236 | off_t len = lseek (pack_handle - 1, 0, SEEK_END); |
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237 | |
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238 | pack_unmap (); |
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239 | |
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240 | pack_base = mmap (0, len, PROT_READ, MAP_SHARED, pack_handle - 1, 0); |
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241 | if (pack_base == (void *)-1) |
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242 | pack_base = 0; |
381 | pack_base = addr; |
243 | |
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244 | pack_end = pack_base + len; |
382 | pack_end = pack_base + size; |
245 | #endif |
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246 | |
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247 | if (!pack_base) |
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248 | return 0; |
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249 | |
383 | |
250 | struct tail *tail; |
384 | struct tail *tail; |
251 | |
385 | |
252 | tail = (void *)(pack_end - sizeof (*tail)); |
386 | tail = (void *)(pack_end - sizeof (*tail)); |
253 | |
387 | |
254 | if (memcmp (tail->magic, TAIL_MAGIC, sizeof (TAIL_MAGIC) - 1)) |
388 | if (memcmp (tail->magic, TAIL_MAGIC, sizeof (TAIL_MAGIC) - 1)) |
255 | return 0; |
389 | return 0; |
256 | |
390 | |
257 | pack_cur = (struct hdr *)(pack_end - u_32 (tail->size)); |
391 | pack_cur = (struct hdr *)(pack_end - u_32 (tail->size)); |
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392 | |
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393 | scratch = u_malloc (scratch_size = u_32 (tail->max_filesize)); |
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394 | if (!scratch) |
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395 | return 0; |
258 | |
396 | |
259 | return 1; |
397 | return 1; |
260 | } |
398 | } |
261 | |
399 | |
262 | static void |
400 | static void |
… | |
… | |
282 | |
420 | |
283 | if (u_chdir (exe_dir)) |
421 | if (u_chdir (exe_dir)) |
284 | fatal ("unable to change to application data directory"); |
422 | fatal ("unable to change to application data directory"); |
285 | |
423 | |
286 | u_handle h = u_open ("override"); |
424 | u_handle h = u_open ("override"); |
287 | if (h) |
425 | if (u_valid (h)) |
288 | { |
426 | { |
289 | u_handle oh = pack_handle; |
427 | u_handle oh = pack_handle; |
290 | |
428 | |
291 | pack_handle = h; |
429 | pack_handle = h; |
292 | if (!pack_map ()) |
430 | if (!pack_map ()) |
… | |
… | |
302 | fatal ("unable to locate override metadata"); |
440 | fatal ("unable to locate override metadata"); |
303 | |
441 | |
304 | strcpy (exe_ver, PACK_DATA); |
442 | strcpy (exe_ver, PACK_DATA); |
305 | pack_next (); |
443 | pack_next (); |
306 | |
444 | |
|
|
445 | for (;;) |
|
|
446 | { |
|
|
447 | if (pack_cur->type == T_ENV) |
|
|
448 | u_setenv (PACK_NAME, PACK_DATA); |
307 | while (pack_cur->type == T_ARG) |
449 | else if (pack_cur->type == T_ARG) |
308 | { |
450 | { |
309 | exe_argv [exe_argc++] = strdup (PACK_NAME); |
451 | int len = u_16 (pack_cur->namelen) + 1; |
|
|
452 | exe_argv [exe_argc++] = exe_args + exe_argo; |
|
|
453 | memcpy (exe_args + exe_argo, PACK_NAME, len); |
|
|
454 | exe_argo += len; |
|
|
455 | } |
|
|
456 | else |
|
|
457 | break; |
|
|
458 | |
310 | pack_next (); |
459 | pack_next (); |
311 | } |
460 | } |
312 | |
461 | |
313 | while (pack_cur->type == T_ENV) |
462 | done_env_arg: |
314 | { |
|
|
315 | u_setenv (PACK_NAME, PACK_DATA); |
|
|
316 | pack_next (); |
|
|
317 | } |
|
|
318 | |
|
|
319 | strcpy (execdir, exe_dir); |
463 | strcpy (execdir, exe_dir); |
320 | u_append (execdir, "i-"); |
464 | u_append (execdir, "i-"); |
321 | strcat (execdir, exe_ver); |
465 | strcat (execdir, exe_ver); |
|
|
466 | |
|
|
467 | strcat (strcpy (tmppath, execdir), ".lck"); |
|
|
468 | lock_handle = u_lockfile (tmppath); |
|
|
469 | if (!lock_handle) |
|
|
470 | fatal ("unable to create lock file"); |
|
|
471 | |
|
|
472 | u_cloexec (lock_handle); |
|
|
473 | |
|
|
474 | // all users that uee an instance acquire a shared lock |
|
|
475 | // acquiring an exclusive lock is enough to delete the dir |
|
|
476 | // deleeting the lockfile is another topic altogether |
|
|
477 | u_lock (U_LOCK_READ, 1); |
322 | |
478 | |
323 | if (access (execdir, F_OK)) |
479 | if (access (execdir, F_OK)) |
324 | { |
480 | { |
325 | // does not exist yet, so unpack and move |
481 | // does not exist yet, so unpack and move |
326 | tmpdir (exe_dir); |
482 | tmpdir (exe_dir); |
… | |
… | |
337 | break; |
493 | break; |
338 | |
494 | |
339 | case T_FILE: |
495 | case T_FILE: |
340 | { |
496 | { |
341 | u_handle h = u_creat (PACK_NAME, pack_cur->flags & F_EXEC); |
497 | u_handle h = u_creat (PACK_NAME, pack_cur->flags & F_EXEC); |
342 | unsigned int len = u_32 (pack_cur->datalen); |
498 | unsigned int dlen, len = u_32 (pack_cur->datalen); |
|
|
499 | char *data = PACK_DATA; |
343 | |
500 | |
|
|
501 | if (pack_cur->flags & F_LZF) |
|
|
502 | if (dlen = lzf_decompress (data, len, scratch, scratch_size)) |
|
|
503 | { |
|
|
504 | data = scratch; |
|
|
505 | len = dlen; |
|
|
506 | } |
|
|
507 | else |
|
|
508 | fatal ("unable to uncompress file data - pack corrupted?"); |
|
|
509 | |
344 | if (!h) |
510 | if (!u_valid (h)) |
345 | fatal ("unable to unpack file from packfile - disk full?"); |
511 | fatal ("unable to unpack file from packfile - disk full?"); |
346 | |
512 | |
347 | if (u_write (h, PACK_DATA, len) != len) |
513 | if (u_write (h, data, len) != len) |
348 | fatal ("unable to unpack file from packfile - disk full?"); |
514 | fatal ("unable to unpack file from packfile - disk full?"); |
349 | |
515 | |
|
|
516 | u_fsync (h); |
350 | u_close (h); |
517 | u_close (h); |
351 | } |
518 | } |
352 | break; |
519 | break; |
353 | |
520 | |
354 | case T_NULL: |
521 | case T_NULL: |
… | |
… | |
360 | |
527 | |
361 | done: |
528 | done: |
362 | if (u_chdir (datadir)) |
529 | if (u_chdir (datadir)) |
363 | fatal ("unable to change to data directory"); |
530 | fatal ("unable to change to data directory"); |
364 | |
531 | |
|
|
532 | u_sync (); |
|
|
533 | |
365 | if (u_rename (tmppath, execdir)) |
534 | if (u_rename (tmppath, execdir)) |
366 | deltree (tmppath); // if move fails, delete new, assume other process created it independently |
535 | deltree (tmppath); // if move fails, delete new, assume other process created it independently |
367 | |
|
|
368 | if (u_chdir (execdir)) |
|
|
369 | fatal ("unable to change to application instance directory"); |
|
|
370 | } |
536 | } |
371 | |
537 | |
372 | pack_unmap (); |
538 | pack_unmap (); |
373 | u_close (pack_handle); |
539 | u_close (pack_handle); |
|
|
540 | |
|
|
541 | if (u_chdir (execdir)) |
|
|
542 | fatal ("unable to change to application instance directory"); |
374 | |
543 | |
375 | u_setenv ("URLADER_VERSION", URLADER_VERSION); |
544 | u_setenv ("URLADER_VERSION", URLADER_VERSION); |
376 | u_setenv ("URLADER_DATADIR", datadir); |
545 | u_setenv ("URLADER_DATADIR", datadir); |
377 | u_setenv ("URLADER_EXECDIR", execdir); |
546 | u_setenv ("URLADER_EXECDIR", execdir); |
378 | u_setenv ("URLADER_EXE_ID" , exe_id); |
547 | u_setenv ("URLADER_EXE_ID" , exe_id); |
379 | u_setenv ("URLADER_EXE_DIR", exe_dir); |
548 | u_setenv ("URLADER_EXE_DIR", exe_dir); |
380 | u_setenv ("URLADER_EXE_VER", exe_ver); |
549 | u_setenv ("URLADER_EXE_VER", exe_ver); |
381 | |
550 | |
|
|
551 | #if 0 |
382 | // yes, this is overkill |
552 | // yes, this is overkill |
383 | u_setenv ("SHLIB_PATH" , execdir); // hpux |
553 | u_setenv ("SHLIB_PATH" , execdir); // hpux |
384 | u_setenv ("LIBPATH" , execdir); // aix |
554 | u_setenv ("LIBPATH" , execdir); // aix |
385 | u_setenv ("LD_LIBRARY_PATH" , execdir); // most elf systems |
555 | u_setenv ("LD_LIBRARY_PATH" , execdir); // most elf systems |
386 | u_setenv ("LD_LIBRARY_PATH_32", execdir); // solaris |
556 | u_setenv ("LD_LIBRARY_PATH_32", execdir); // solaris |
387 | u_setenv ("LD_LIBRARY_PATH_64", execdir); // solaris |
557 | u_setenv ("LD_LIBRARY_PATH_64", execdir); // solaris |
388 | u_setenv ("LD_LIBRARYN32_PATH", execdir); // irix |
558 | u_setenv ("LD_LIBRARYN32_PATH", execdir); // irix |
389 | u_setenv ("LD_LIBRARY64_PATH" , execdir); // irix |
559 | u_setenv ("LD_LIBRARY64_PATH" , execdir); // irix |
390 | u_setenv ("DYLD_LIBRARY_PATH" , execdir); // os sucks from apple |
560 | u_setenv ("DYLD_LIBRARY_PATH" , execdir); // os sucks from apple |
|
|
561 | #endif |
|
|
562 | } |
|
|
563 | |
|
|
564 | static void |
|
|
565 | execute (void) |
|
|
566 | { |
|
|
567 | exe_argv [exe_argc] = 0; |
|
|
568 | systemv (exe_argv); |
391 | } |
569 | } |
392 | |
570 | |
393 | #ifdef _WIN32 |
571 | #ifdef _WIN32 |
394 | |
572 | |
395 | int APIENTRY |
573 | int APIENTRY |
396 | WinMain (HINSTANCE hI, HINSTANCE hP, LPSTR argv, int command_show) |
574 | WinMain (HINSTANCE hI, HINSTANCE hP, LPSTR argv, int command_show) |
397 | { |
575 | { |
398 | if (!GetModuleFileName (hI, tmppath, sizeof (tmppath))) |
576 | if (!GetModuleFileName (hI, tmppath, sizeof (tmppath))) |
399 | fatal ("unable to find executable pack"); |
577 | fatal ("unable to find executable pack"); |
400 | |
578 | |
401 | if (!(pack_handle = u_open (tmppath))) |
579 | pack_handle = u_open (tmppath); |
|
|
580 | if (!u_valid (pack_handle)) |
402 | fatal ("unable to open executable pack"); |
581 | fatal ("unable to open executable pack"); |
403 | |
582 | |
404 | exe_info (); |
583 | exe_info (); |
405 | |
584 | |
406 | if (!GetCurrentDirectory (sizeof (currdir), currdir)) |
585 | if (!GetCurrentDirectory (sizeof (currdir), currdir)) |
… | |
… | |
423 | int |
602 | int |
424 | main (int argc, char *argv[]) |
603 | main (int argc, char *argv[]) |
425 | { |
604 | { |
426 | char *home = getenv ("HOME"); |
605 | char *home = getenv ("HOME"); |
427 | |
606 | |
428 | // we assume fd 0 and 2 are "normal" |
|
|
429 | |
|
|
430 | if (!(pack_handle = u_open (argv [0]))) |
607 | pack_handle = u_open (argv [0]); |
|
|
608 | if (!u_valid (pack_handle)) |
431 | fatal ("unable to open executable pack"); |
609 | fatal ("unable to open executable pack"); |
432 | |
610 | |
433 | exe_info (); |
611 | exe_info (); |
434 | |
612 | |
435 | if (!home) |
613 | if (!home) |
… | |
… | |
444 | |
622 | |
445 | if (!getcwd (currdir, sizeof (currdir))) |
623 | if (!getcwd (currdir, sizeof (currdir))) |
446 | strcpy (currdir, "."); |
624 | strcpy (currdir, "."); |
447 | |
625 | |
448 | u_mkdir (home); |
626 | u_mkdir (home); |
|
|
627 | //strcat (strcat (strcpy (datadir, home), "/."), URLADER); |
449 | sprintf (datadir, "%s/.%s", home, URLADER); |
628 | sprintf (datadir, "%s/.%s", home, URLADER); |
450 | u_mkdir (datadir); |
629 | u_mkdir (datadir); |
451 | |
630 | |
|
|
631 | #if 0 |
452 | if (gethostname (tmppath, sizeof (tmppath))) |
632 | if (gethostname (tmppath, sizeof (tmppath))) |
453 | strcpy (tmppath, "default"); |
633 | strcpy (tmppath, "default"); |
454 | |
634 | |
455 | u_append (datadir, tmppath); |
635 | u_append (datadir, tmppath); |
|
|
636 | #endif |
456 | |
637 | |
457 | load (); |
638 | load (); |
458 | execute (); |
639 | execute (); |
459 | |
640 | |
460 | return 0; |
641 | return 0; |