X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fimage.c;h=608ac59d4586ac7b0973584611f4ac3450027908;hb=ef36a7fb3b87bddc14ad9c5d98fde1d041a0de2d;hp=d51e8743b23ba5f6c5b11c6972ae6bad9083800c;hpb=8b994145b849c40b0a195c3fb332b9770b2f9097;p=openocd.git diff --git a/src/target/image.c b/src/target/image.c index d51e8743b2..608ac59d45 100644 --- a/src/target/image.c +++ b/src/target/image.c @@ -8,6 +8,9 @@ * Copyright (C) 2008 by Spencer Oliver * * spen@spen-soft.co.uk * * * + * Copyright (C) 2009 by Franck Hereson * + * franck.hereson@secad.fr * + * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * @@ -41,10 +44,10 @@ ((elf->endianness == ELFDATA2LSB)? \ le_to_h_u32((uint8_t*)&field):be_to_h_u32((uint8_t*)&field)) -static int autodetect_image_type(image_t *image, char *url) +static int autodetect_image_type(image_t *image, const char *url) { int retval; - fileio_t fileio; + struct fileio fileio; uint32_t read_bytes; uint8_t buffer[9]; @@ -103,7 +106,7 @@ static int autodetect_image_type(image_t *image, char *url) return ERROR_OK; } -static int identify_image_type(image_t *image, char *type_string, char *url) +static int identify_image_type(image_t *image, const char *type_string, const char *url) { if (type_string) { @@ -146,8 +149,8 @@ static int identify_image_type(image_t *image, char *type_string, char *url) static int image_ihex_buffer_complete(image_t *image) { - image_ihex_t *ihex = image->type_private; - fileio_t *fileio = &ihex->fileio; + struct image_ihex *ihex = image->type_private; + struct fileio *fileio = &ihex->fileio; uint32_t full_address = 0x0; uint32_t cooked_bytes; int i; @@ -155,7 +158,7 @@ static int image_ihex_buffer_complete(image_t *image) /* we can't determine the number of sections that we'll have to create ahead of time, * so we locally hold them until parsing is finished */ - image_section_t section[IMAGE_MAX_SECTIONS]; + struct image_section section[IMAGE_MAX_SECTIONS]; ihex->buffer = malloc(fileio->size >> 1); cooked_bytes = 0x0; @@ -196,6 +199,12 @@ static int image_ihex_buffer_complete(image_t *image) if (section[image->num_sections].size != 0) { image->num_sections++; + if (image->num_sections >= IMAGE_MAX_SECTIONS) + { + /* too many sections */ + LOG_ERROR("Too many sections found in IHEX file"); + return ERROR_IMAGE_FORMAT_ERROR; + } section[image->num_sections].size = 0x0; section[image->num_sections].flags = 0; section[image->num_sections].private = &ihex->buffer[cooked_bytes]; @@ -223,7 +232,7 @@ static int image_ihex_buffer_complete(image_t *image) image->num_sections++; /* copy section information */ - image->sections = malloc(sizeof(image_section_t) * image->num_sections); + image->sections = malloc(sizeof(struct image_section) * image->num_sections); for (i = 0; i < image->num_sections; i++) { image->sections[i].private = section[i].private; @@ -252,6 +261,12 @@ static int image_ihex_buffer_complete(image_t *image) if (section[image->num_sections].size != 0) { image->num_sections++; + if (image->num_sections >= IMAGE_MAX_SECTIONS) + { + /* too many sections */ + LOG_ERROR("Too many sections found in IHEX file"); + return ERROR_IMAGE_FORMAT_ERROR; + } section[image->num_sections].size = 0x0; section[image->num_sections].flags = 0; section[image->num_sections].private = &ihex->buffer[cooked_bytes]; @@ -292,6 +307,12 @@ static int image_ihex_buffer_complete(image_t *image) if (section[image->num_sections].size != 0) { image->num_sections++; + if (image->num_sections >= IMAGE_MAX_SECTIONS) + { + /* too many sections */ + LOG_ERROR("Too many sections found in IHEX file"); + return ERROR_IMAGE_FORMAT_ERROR; + } section[image->num_sections].size = 0x0; section[image->num_sections].flags = 0; section[image->num_sections].private = &ihex->buffer[cooked_bytes]; @@ -418,7 +439,7 @@ static int image_elf_read_headers(image_t *image) if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0)) image->num_sections++; /* alloc and fill sections array with loadable segments */ - image->sections = malloc(image->num_sections * sizeof(image_section_t)); + image->sections = malloc(image->num_sections * sizeof(struct image_section)); for (i = 0,j = 0;i < elf->segment_count;i++) { if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0)) @@ -480,8 +501,8 @@ static int image_elf_read_section(image_t *image, int section, uint32_t offset, static int image_mot_buffer_complete(image_t *image) { - image_mot_t *mot = image->type_private; - fileio_t *fileio = &mot->fileio; + struct image_mot *mot = image->type_private; + struct fileio *fileio = &mot->fileio; uint32_t full_address = 0x0; uint32_t cooked_bytes; int i; @@ -489,7 +510,7 @@ static int image_mot_buffer_complete(image_t *image) /* we can't determine the number of sections that we'll have to create ahead of time, * so we locally hold them until parsing is finished */ - image_section_t section[IMAGE_MAX_SECTIONS]; + struct image_section section[IMAGE_MAX_SECTIONS]; mot->buffer = malloc(fileio->size >> 1); cooked_bytes = 0x0; @@ -614,7 +635,7 @@ static int image_mot_buffer_complete(image_t *image) image->num_sections++; /* copy section information */ - image->sections = malloc(sizeof(image_section_t) * image->num_sections); + image->sections = malloc(sizeof(struct image_section) * image->num_sections); for (i = 0; i < image->num_sections; i++) { image->sections[i].private = section[i].private; @@ -648,7 +669,7 @@ static int image_mot_buffer_complete(image_t *image) return ERROR_IMAGE_FORMAT_ERROR; } -int image_open(image_t *image, char *url, char *type_string) +int image_open(image_t *image, const char *url, const char *type_string) { int retval = ERROR_OK; @@ -659,9 +680,9 @@ int image_open(image_t *image, char *url, char *type_string) if (image->type == IMAGE_BINARY) { - image_binary_t *image_binary; + struct image_binary *image_binary; - image_binary = image->type_private = malloc(sizeof(image_binary_t)); + image_binary = image->type_private = malloc(sizeof(struct image_binary)); if ((retval = fileio_open(&image_binary->fileio, url, FILEIO_READ, FILEIO_BINARY)) != ERROR_OK) { @@ -669,16 +690,16 @@ int image_open(image_t *image, char *url, char *type_string) } image->num_sections = 1; - image->sections = malloc(sizeof(image_section_t)); + image->sections = malloc(sizeof(struct image_section)); image->sections[0].base_address = 0x0; image->sections[0].size = image_binary->fileio.size; image->sections[0].flags = 0; } else if (image->type == IMAGE_IHEX) { - image_ihex_t *image_ihex; + struct image_ihex *image_ihex; - image_ihex = image->type_private = malloc(sizeof(image_ihex_t)); + image_ihex = image->type_private = malloc(sizeof(struct image_ihex)); if ((retval = fileio_open(&image_ihex->fileio, url, FILEIO_READ, FILEIO_TEXT)) != ERROR_OK) { @@ -719,15 +740,15 @@ int image_open(image_t *image, char *url, char *type_string) return ERROR_FAIL; } - image_memory_t *image_memory; + struct image_memory *image_memory; image->num_sections = 1; - image->sections = malloc(sizeof(image_section_t)); + image->sections = malloc(sizeof(struct image_section)); image->sections[0].base_address = 0x0; image->sections[0].size = 0xffffffff; image->sections[0].flags = 0; - image_memory = image->type_private = malloc(sizeof(image_memory_t)); + image_memory = image->type_private = malloc(sizeof(struct image_memory)); image_memory->target = target; image_memory->cache = NULL; @@ -735,9 +756,9 @@ int image_open(image_t *image, char *url, char *type_string) } else if (image->type == IMAGE_SRECORD) { - image_mot_t *image_mot; + struct image_mot *image_mot; - image_mot = image->type_private = malloc(sizeof(image_mot_t)); + image_mot = image->type_private = malloc(sizeof(struct image_mot)); if ((retval = fileio_open(&image_mot->fileio, url, FILEIO_READ, FILEIO_TEXT)) != ERROR_OK) { @@ -790,7 +811,7 @@ int image_read_section(image_t *image, int section, uint32_t offset, uint32_t si if (image->type == IMAGE_BINARY) { - image_binary_t *image_binary = image->type_private; + struct image_binary *image_binary = image->type_private; /* only one section in a plain binary */ if (section != 0) @@ -821,7 +842,7 @@ int image_read_section(image_t *image, int section, uint32_t offset, uint32_t si } else if (image->type == IMAGE_MEMORY) { - image_memory_t *image_memory = image->type_private; + struct image_memory *image_memory = image->type_private; uint32_t address = image->sections[section].base_address + offset; *size_read = 0; @@ -878,7 +899,7 @@ int image_read_section(image_t *image, int section, uint32_t offset, uint32_t si int image_add_section(image_t *image, uint32_t base, uint32_t size, int flags, uint8_t *data) { - image_section_t *section; + struct image_section *section; /* only image builder supports adding sections */ if (image->type != IMAGE_BUILDER) @@ -902,7 +923,7 @@ int image_add_section(image_t *image, uint32_t base, uint32_t size, int flags, u /* allocate new section */ image->num_sections++; - image->sections = realloc(image->sections, sizeof(image_section_t) * image->num_sections); + image->sections = realloc(image->sections, sizeof(struct image_section) * image->num_sections); section = &image->sections[image->num_sections - 1]; section->base_address = base; section->size = size; @@ -917,13 +938,13 @@ void image_close(image_t *image) { if (image->type == IMAGE_BINARY) { - image_binary_t *image_binary = image->type_private; + struct image_binary *image_binary = image->type_private; fileio_close(&image_binary->fileio); } else if (image->type == IMAGE_IHEX) { - image_ihex_t *image_ihex = image->type_private; + struct image_ihex *image_ihex = image->type_private; fileio_close(&image_ihex->fileio); @@ -953,7 +974,7 @@ void image_close(image_t *image) } else if (image->type == IMAGE_MEMORY) { - image_memory_t *image_memory = image->type_private; + struct image_memory *image_memory = image->type_private; if (image_memory->cache) { @@ -963,7 +984,7 @@ void image_close(image_t *image) } else if (image->type == IMAGE_SRECORD) { - image_mot_t *image_mot = image->type_private; + struct image_mot *image_mot = image->type_private; fileio_close(&image_mot->fileio);