mirror of
https://gitlab.com/bztsrc/bootboot.git
synced 2023-02-13 20:54:32 -05:00
62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
/*
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* mkbootimg/cpio.c
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*
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* Copyright (C) 2017 - 2021 bzt (bztsrc@gitlab)
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* This file is part of the BOOTBOOT Protocol package.
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* @brief CPIO initrd driver
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* See https://en.wikipedia.org/wiki/Cpio
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*
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*/
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#include "main.h"
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void cpio_open(gpt_t *gpt_entry)
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{
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if(gpt_entry) { fprintf(stderr,"mkbootimg: partition #%d %s cpio.\r\n", fs_no, lang[ERR_INITRDTYPE]); exit(1); }
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}
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void cpio_add(struct stat *st, char *name, unsigned char *content, int size)
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{
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unsigned char *end;
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int n = strlen(name);
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if(!S_ISREG(st->st_mode) && !S_ISDIR(st->st_mode) && !S_ISLNK(st->st_mode)) return;
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fs_base = realloc(fs_base, fs_len + 76 + n + 1 + size);
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if(!fs_base) { fprintf(stderr,"mkbootimg: %s\r\n", lang[ERR_MEM]); exit(1); }
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end = fs_base + fs_len;
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end += sprintf((char*)end, "070707000000000000%06o00000000000000000000000000000000000%06o%011o%s",
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st->st_mode & 0777777,n+1,size,name);
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*end++ = 0;
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if(content && size) memcpy(end, content, size);
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fs_len += 76 + n + 1 + size;
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}
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void cpio_close()
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{
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char *end;
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fs_base = realloc(fs_base, fs_len + 76 + 11 + 512);
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if(!fs_base) { fprintf(stderr,"mkbootimg: %s\r\n", lang[ERR_MEM]); exit(1); }
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end = (char*)fs_base + fs_len;
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memset(end, 0, 76 + 11 + 512);
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end += sprintf(end, "07070700000000000000000000000000000000000010000000000000000%06o%011oTRAILER!!!",11,0);
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fs_len = ((fs_len + 88 + 511) & ~511);
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}
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