70 lines
2.6 KiB
C
70 lines
2.6 KiB
C
/* ************************************************************************** */
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/* _____ _ */
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/* p7os/prepare.c |_ _|__ _ _| |__ ___ _ _ */
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/* | Project: p7utils | |/ _ \| | | | '_ \ / _ \ | | | */
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/* | | (_) | |_| | | | | __/ |_| | */
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/* By: thomas <thomas@touhey.fr> |_|\___/ \__,_|_| |_|\___|\__, |.fr */
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/* Last updated: 2017/01/16 23:56:41 |___/ */
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/* */
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/* ************************************************************************** */
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#include "main.h"
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/* ************************************************************************** */
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/* Error messages */
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/* ************************************************************************** */
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/* Unable to open the embedded thingy */
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static const char error_fmemopen[] =
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"Unable to open the embedded update.exe.\n";
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/* ************************************************************************** */
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/* Embedded update.exe */
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/* ************************************************************************** */
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#define cake_exe_str (_binary_cake_exe_bin_start)
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#define cake_exe_end (_binary_cake_exe_bin_end)
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extern char _binary_cake_exe_bin_start[];
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extern char _binary_cake_exe_bin_end[];
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/* ************************************************************************** */
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/* Main function */
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/* ************************************************************************** */
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/**
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* prepare_ops:
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* Prepare the operation, by uploading the update.exe.
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*
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* @arg handle the libp7 handle.
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* @arg uexe the update.exe to use (NULL if use the embedded one).
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* @return the error (-1 if not a libp7 error, 0 if ok)
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*/
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int prepare_ops(p7_handle_t *handle, FILE *uexe, void (*disp)())
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{
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int err; size_t usize;
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/* prepare the update.exe */
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if (uexe) {
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/* calculate the size */
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fseek(uexe, 0, SEEK_END);
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usize = ftell(uexe);
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fseek(uexe, 0, SEEK_SET);
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} else {
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/* take the default uexe */
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usize = (size_t)&cake_exe_end - (size_t)&cake_exe_str;
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uexe = fmemopen(cake_exe_str, usize, "r");
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if (!uexe) {
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fprintf(stderr, error_fmemopen);
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return (-1);
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}
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}
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/* send the thing */
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if ((err = p7_sendexe_stream(handle, uexe, (p7uint_t)usize,
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0x88030000, 0x88030000, disp))) {
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fclose(uexe);
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return (err);
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}
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/* no error! */
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fclose(uexe);
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return (0);
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}
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