Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | h266 | 1 | /* |
| 2 | SSI File Unpacker |
||
| 3 | Copyright (c) 2003 Jonathon Fowler |
||
| 4 | |||
| 5 | This program is free software; you can redistribute it and/or modify |
||
| 6 | it under the terms of the GNU General Public License as published by |
||
| 7 | the Free Software Foundation; either version 2 of the License, or |
||
| 8 | (at your option) any later version. |
||
| 9 | |||
| 10 | This program is distributed in the hope that it will be useful, |
||
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
| 13 | GNU General Public License for more details. |
||
| 14 | |||
| 15 | You should have received a copy of the GNU General Public License |
||
| 16 | along with this program; if not, write to the Free Software |
||
| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
||
| 18 | */ |
||
| 19 | |||
| 20 | #include <stdio.h> |
||
| 21 | #include <stdlib.h> |
||
| 22 | |||
| 23 | int main(int argc, char **argv) |
||
| 24 | { |
||
| 25 | FILE *fp, *ofp; |
||
| 26 | long i,j; |
||
| 27 | long version; |
||
| 28 | long numfiles; |
||
| 29 | unsigned char numchars; |
||
| 30 | char title[33]; |
||
| 31 | char description[3][71]; |
||
| 32 | struct file { |
||
| 33 | char name[13]; |
||
| 34 | long length; |
||
| 35 | } *filenames; |
||
| 36 | char runfile[13] = "<unknown>"; |
||
| 37 | char buf[1024]; |
||
| 38 | int mode=0, param; |
||
| 39 | |||
| 40 | puts("unpackssi - .SSI File Unpacker\n" |
||
| 41 | "Copyright (c) 2003 Jonathon Fowler\n" |
||
| 42 | "This software is distributed under the terms of the GNU General Public License."); |
||
| 43 | |||
| 44 | if (argc<2) { |
||
| 45 | puts("\nUsage: unpackssi [-l] <ssifile.ssi> [ssifile2.ssi ...]"); |
||
| 46 | puts(" Unpacks the contents of an SSI file (like those which Sunstorm Interactive"); |
||
| 47 | puts(" expansion packs for Duke Nukem 3D are distributed in) to the current"); |
||
| 48 | puts(" directory. NOTE: Any files which already exist and have the same name as the"); |
||
| 49 | puts(" files contained in the SSI file will be overwritten when extracting."); |
||
| 50 | puts("\nSwitches:"); |
||
| 51 | puts(" -l List files (no extraction)\n"); |
||
| 52 | return -1; |
||
| 53 | } else { |
||
| 54 | param = 1; |
||
| 55 | if (argv[1][0] == '-') { |
||
| 56 | param++; |
||
| 57 | switch (argv[1][1]) { |
||
| 58 | case 'l': mode = 1; break; |
||
| 59 | default: printf("Unrecognised switch: %c.\n", argv[1][1]); break; |
||
| 60 | } |
||
| 61 | } |
||
| 62 | } |
||
| 63 | |||
| 64 | while (param < argc) { |
||
| 65 | puts(""); |
||
| 66 | |||
| 67 | fp = fopen(argv[param],"rb"); |
||
| 68 | if (!fp) return -2; |
||
| 69 | |||
| 70 | fread(&version, 4, 1, fp); |
||
| 71 | if (version != 1 && version != 2) { |
||
| 72 | fclose(fp); |
||
| 73 | puts("Error: Unrecognized SSI version."); |
||
| 74 | return -1; |
||
| 75 | } |
||
| 76 | |||
| 77 | printf("File is SSI Version %d\n", version); |
||
| 78 | |||
| 79 | fread(&numfiles, 4, 1, fp); |
||
| 80 | |||
| 81 | fread(&numchars, 1, 1, fp); |
||
| 82 | if (numchars > 32) numchars = 32; |
||
| 83 | fread(title, 32, 1, fp); |
||
| 84 | title[numchars] = 0; |
||
| 85 | |||
| 86 | if (version == 2) { |
||
| 87 | fread(&numchars, 1, 1, fp); |
||
| 88 | if (numchars > 12) numchars = 12; |
||
| 89 | fread(runfile, 12, 1, fp); |
||
| 90 | runfile[numchars] = 0; |
||
| 91 | } |
||
| 92 | |||
| 93 | for (i=0;i<3;i++) { |
||
| 94 | fread(&numchars, 1, 1, fp); |
||
| 95 | if (numchars > 70) numchars = 70; |
||
| 96 | fread(description[i], 70, 1, fp); |
||
| 97 | description[i][numchars] = 0; |
||
| 98 | } |
||
| 99 | |||
| 100 | filenames = (struct file *)malloc(sizeof(struct file) * numfiles); |
||
| 101 | if (!filenames) { |
||
| 102 | fclose(fp); |
||
| 103 | puts("Error: Failed allocating memory for file index."); |
||
| 104 | return -2; |
||
| 105 | } |
||
| 106 | |||
| 107 | for (i=0;i<numfiles;i++) { |
||
| 108 | fread(&numchars, 1, 1, fp); |
||
| 109 | if (numchars > 12) numchars = 12; |
||
| 110 | fread(filenames[i].name, 12, 1, fp); |
||
| 111 | filenames[i].name[numchars] = 0; |
||
| 112 | |||
| 113 | fread(&filenames[i].length, 4, 1, fp); |
||
| 114 | |||
| 115 | // seek past some stuff I can't seem to fully decipher at the moment |
||
| 116 | fseek(fp, 34+1+69, SEEK_CUR); |
||
| 117 | } |
||
| 118 | |||
| 119 | printf("File: %s\n" |
||
| 120 | "Package Title: %s\n" |
||
| 121 | "Description: %s\n" |
||
| 122 | " %s\n" |
||
| 123 | " %s\n" |
||
| 124 | "Run Filename: %s\n\n" |
||
| 125 | , argv[param], title, description[0], description[1], description[2], runfile); |
||
| 126 | |||
| 127 | if (mode == 1) { |
||
| 128 | j=0; |
||
| 129 | puts("File listing:"); |
||
| 130 | } |
||
| 131 | |||
| 132 | for (i=0;i<numfiles;i++) { |
||
| 133 | if (mode == 0) { |
||
| 134 | ofp = fopen(filenames[i].name, "wb"); |
||
| 135 | if (!ofp) { |
||
| 136 | printf("Error: Failed creating %s. Unpack operation cancelled.\n", filenames[i].name); |
||
| 137 | break; |
||
| 138 | } |
||
| 139 | |||
| 140 | printf("Unpacking %s (%d bytes)...", filenames[i].name, filenames[i].length); |
||
| 141 | |||
| 142 | for (j=filenames[i].length; j>1024; j-=1024) { |
||
| 143 | fread(buf, 1024, 1, fp); |
||
| 144 | fwrite(buf, 1024, 1, ofp); |
||
| 145 | } |
||
| 146 | if (j) { |
||
| 147 | fread(buf, j, 1, fp); |
||
| 148 | fwrite(buf, j, 1, ofp); |
||
| 149 | } |
||
| 150 | |||
| 151 | fclose(ofp); |
||
| 152 | puts("done"); |
||
| 153 | } else if (mode == 1) { |
||
| 154 | printf(" %-12s %d bytes\n", filenames[i].name, filenames[i].length); |
||
| 155 | j += filenames[i].length; |
||
| 156 | } |
||
| 157 | } |
||
| 158 | |||
| 159 | if (mode == 1) { |
||
| 160 | puts(""); |
||
| 161 | printf(" %d files, %d bytes\n", numfiles, j); |
||
| 162 | } |
||
| 163 | |||
| 164 | fclose(fp); |
||
| 165 | free(filenames); |
||
| 166 | |||
| 167 | param++; |
||
| 168 | } |
||
| 169 | |||
| 170 | return 0; |
||
| 171 | } |