FreeCalypso > hg > fc-am-toolkit

annotate bootutil/do_match.c @ 22:873d5f33e8f3

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doc: beginning with FC-aftermarket-intro
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 11 Jun 2023 06:18:53 +0000
parents fe5f7ba7f154
children
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fe5f7ba7f154 c139-analyze-boot utility put together, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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2 * The function implemented in this module performs a single match-check
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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3 * between the boot image being analyzed and one of the reference versions
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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4 * from ../bootmatch directory.
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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5 */
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6
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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7 #include <sys/types.h>
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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8 #include <string.h>
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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9 #include <strings.h>
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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10 #include "../bootmatch/bootmatch.h"
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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12 check_for_match(image, bm)
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13 u_char *image;
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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14 struct bootmatch *bm;
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15 {
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16 for (; bm->nbytes; bm++) {
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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17 if (bcmp(image + bm->offset, bm->refbytes, bm->nbytes))
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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18 return(0);
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19 }
fe5f7ba7f154 c139-analyze-boot utility put together, compiles
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20 return(1);
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21 }