| /* |
| * This file is part of the bayou project. |
| * |
| * Copyright (C) 2008 Advanced Micro Devices, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <libgen.h> |
| #include "liblar.h" |
| #include "pbuilder.h" |
| |
| void do_lzma_compress(char *in, int in_len, char *out, int *out_len); |
| |
| int add_bpt_to_lar(struct LAR *lar, struct config *config) |
| { |
| char *buffer; |
| int ret, i, len = sizeof(struct bpt_config); |
| struct bpt_config *cfg; |
| struct LARAttr attr; |
| char *ptr; |
| |
| for (i = 0; i < config->n_entries; i++) { |
| len += sizeof(struct bpt_pentry); |
| |
| if (config->entries[i]->type != BPT_TYPE_CHAIN) |
| len += ((strlen(config->entries[i]->larname) |
| + 15) & ~0x0F); |
| } |
| |
| buffer = calloc(len, 1); |
| |
| if (buffer == NULL) |
| return -1; |
| |
| cfg = (struct bpt_config *)buffer; |
| |
| cfg->id = BPT_ID; |
| cfg->timeout = config->timeout; |
| cfg->entries = config->n_entries; |
| |
| ptr = buffer + sizeof(struct bpt_config); |
| |
| for (i = 0; i < config->n_entries; i++) { |
| int nlen = 0; |
| struct bpt_pentry *pentry = (struct bpt_pentry *)ptr; |
| |
| pentry->index = config->entries[i]->index; |
| pentry->parent = config->entries[i]->parent; |
| pentry->type = config->entries[i]->type; |
| pentry->flags = config->entries[i]->flags; |
| |
| strncpy((char *)pentry->title, |
| (char *)config->entries[i]->title, |
| sizeof(pentry->title)); |
| |
| if (config->entries[i]->type != BPT_TYPE_CHAIN) { |
| nlen = strlen(config->entries[i]->larname); |
| nlen = (nlen + 15) & ~0x0F; |
| |
| strcpy((char *)(ptr + sizeof(struct bpt_pentry)), |
| config->entries[i]->larname); |
| |
| pentry->nlen = nlen; |
| } |
| |
| ptr += sizeof(struct bpt_pentry); |
| |
| if (config->entries[i]->type != BPT_TYPE_CHAIN) |
| ptr += nlen; |
| } |
| |
| LAR_SetAttrs(&attr, "bayou_payload_table", ALGO_NONE); |
| |
| ret = LAR_AppendBuffer(lar, (unsigned char *)buffer, len, &attr); |
| free(buffer); |
| return ret; |
| } |
| |
| struct lfile { |
| char *file; |
| char *larname; |
| }; |
| |
| int n_lfiles; |
| |
| int create_lar_from_config(const char *input, const char *output) |
| { |
| struct config config; |
| FILE *stream; |
| struct LAR *lar; |
| struct LARAttr attr; |
| int i, j, ret = -1; |
| struct lfile *lfiles; |
| |
| stream = fopen(input, "r"); |
| |
| if (stream == NULL) { |
| warn("E: Couldn't open %s for reading\n", input); |
| return -1; |
| } |
| |
| memset(&config, 0, sizeof(config)); |
| |
| parseconfig(stream, &config); |
| fclose(stream); |
| |
| lar = LAR_Create(output); |
| |
| if (lar == NULL) { |
| warn("E: Couldn't create a new lar file\n"); |
| return -1; |
| } |
| |
| LAR_SetCompressionFuncs(lar, ALGO_LZMA, do_lzma_compress, NULL); |
| |
| lfiles = calloc(sizeof(struct lfile), config.n_entries); |
| |
| if (lfiles == NULL) { |
| warn("E: Couldn't allocate memory: %m\n"); |
| return -1; |
| } |
| |
| for (i = 0; i < config.n_entries; i++) { |
| /* Master chain entries don't have files associated with them. */ |
| if (config.entries[i]->type == BPT_TYPE_CHAIN) |
| continue; |
| |
| if (access(config.entries[i]->file, R_OK)) { |
| warn("E: Could not find file %s\n", |
| config.entries[i]->file); |
| |
| goto err; |
| } |
| |
| if (config.entries[i]->larname == NULL) { |
| config.entries[i]->larname = |
| strdup(basename(config.entries[i]->file)); |
| |
| if (config.entries[i]->larname == NULL) { |
| warn("E: Could not allocate memory for the default name\n"); |
| goto err; |
| } |
| } |
| |
| /* |
| * Add the file to the list of files to add to the LAR - skip |
| * any duplicates, but be on the lookout for the same LAR name |
| * attached to a different file. |
| */ |
| for (j = 0; j < n_lfiles; j++) { |
| if (!strcmp(lfiles[j].larname, |
| config.entries[i]->larname)) { |
| if (strcmp(lfiles[j].file, |
| config.entries[i]->file)) { |
| warn("E: LAR name '%s' has already been used\n", config.entries[i]->larname); |
| goto err; |
| } |
| break; |
| } |
| } |
| |
| if (j == n_lfiles) { |
| lfiles[n_lfiles].file = config.entries[i]->file; |
| lfiles[n_lfiles++].larname = config.entries[i]->larname; |
| } |
| } |
| |
| /* Add all the files to the LAR. */ |
| for (i = 0; i < n_lfiles; i++) { |
| LAR_SetAttrs(&attr, lfiles[i].larname, ALGO_LZMA); |
| |
| if (LAR_AppendFile(lar, lfiles[i].file, &attr)) { |
| warn("E: Could not add %s to the LAR\n", |
| lfiles[i].file); |
| goto err; |
| } |
| } |
| |
| ret = add_bpt_to_lar(lar, &config); |
| |
| err: |
| LAR_Close(lar); |
| return ret; |
| } |