config.c revision 262400
1247841Sbapt/*- 2247841Sbapt * Copyright (c) 2013 Baptiste Daroussin <bapt@FreeBSD.org> 3257147Sbdrewery * Copyright (c) 2013 Bryan Drewery <bdrewery@FreeBSD.org> 4247841Sbapt * All rights reserved. 5247841Sbapt * 6247841Sbapt * Redistribution and use in source and binary forms, with or without 7247841Sbapt * modification, are permitted provided that the following conditions 8247841Sbapt * are met: 9247841Sbapt * 1. Redistributions of source code must retain the above copyright 10247841Sbapt * notice, this list of conditions and the following disclaimer. 11247841Sbapt * 2. Redistributions in binary form must reproduce the above copyright 12247841Sbapt * notice, this list of conditions and the following disclaimer in the 13247841Sbapt * documentation and/or other materials provided with the distribution. 14247841Sbapt * 15247841Sbapt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16247841Sbapt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17247841Sbapt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18247841Sbapt * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19247841Sbapt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20247841Sbapt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21247841Sbapt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22247841Sbapt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23247841Sbapt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24247841Sbapt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25247841Sbapt * SUCH DAMAGE. 26247841Sbapt */ 27247841Sbapt 28247841Sbapt#include <sys/cdefs.h> 29247841Sbapt__FBSDID("$FreeBSD: head/usr.sbin/pkg/config.c 262400 2014-02-23 21:55:07Z bapt $"); 30247841Sbapt 31247841Sbapt#include <sys/param.h> 32260942Sbapt#include <sys/queue.h> 33247841Sbapt#include <sys/sbuf.h> 34247841Sbapt#include <sys/elf_common.h> 35247841Sbapt#include <sys/endian.h> 36259266Sbdrewery#include <sys/types.h> 37247841Sbapt 38255457Sbapt#include <assert.h> 39259266Sbdrewery#include <dirent.h> 40262400Sbapt#include <ucl.h> 41247841Sbapt#include <ctype.h> 42247841Sbapt#include <err.h> 43247841Sbapt#include <errno.h> 44247841Sbapt#include <fcntl.h> 45247841Sbapt#include <gelf.h> 46247841Sbapt#include <inttypes.h> 47247841Sbapt#include <paths.h> 48247841Sbapt#include <stdbool.h> 49247841Sbapt#include <string.h> 50247841Sbapt#include <unistd.h> 51247841Sbapt 52247841Sbapt#include "elf_tables.h" 53247841Sbapt#include "config.h" 54247841Sbapt 55247841Sbapt#define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */ 56247841Sbapt 57259266Sbdrewerystruct config_value { 58259266Sbdrewery char *value; 59259266Sbdrewery STAILQ_ENTRY(config_value) next; 60259266Sbdrewery}; 61259266Sbdrewery 62247841Sbaptstruct config_entry { 63247841Sbapt uint8_t type; 64247841Sbapt const char *key; 65247841Sbapt const char *val; 66247841Sbapt char *value; 67259266Sbdrewery STAILQ_HEAD(, config_value) *list; 68247841Sbapt bool envset; 69247841Sbapt}; 70247841Sbapt 71247841Sbaptstatic struct config_entry c[] = { 72247841Sbapt [PACKAGESITE] = { 73247841Sbapt PKG_CONFIG_STRING, 74247841Sbapt "PACKAGESITE", 75257051Sbdrewery URL_SCHEME_PREFIX "http://pkg.FreeBSD.org/${ABI}/latest", 76247841Sbapt NULL, 77259266Sbdrewery NULL, 78247841Sbapt false, 79247841Sbapt }, 80247841Sbapt [ABI] = { 81247841Sbapt PKG_CONFIG_STRING, 82247841Sbapt "ABI", 83247841Sbapt NULL, 84247841Sbapt NULL, 85259266Sbdrewery NULL, 86247841Sbapt false, 87247841Sbapt }, 88247841Sbapt [MIRROR_TYPE] = { 89247841Sbapt PKG_CONFIG_STRING, 90247841Sbapt "MIRROR_TYPE", 91247841Sbapt "SRV", 92247841Sbapt NULL, 93259266Sbdrewery NULL, 94247841Sbapt false, 95247841Sbapt }, 96247841Sbapt [ASSUME_ALWAYS_YES] = { 97247841Sbapt PKG_CONFIG_BOOL, 98247841Sbapt "ASSUME_ALWAYS_YES", 99247841Sbapt "NO", 100247841Sbapt NULL, 101259266Sbdrewery NULL, 102247841Sbapt false, 103257147Sbdrewery }, 104257147Sbdrewery [SIGNATURE_TYPE] = { 105257147Sbdrewery PKG_CONFIG_STRING, 106257147Sbdrewery "SIGNATURE_TYPE", 107257147Sbdrewery NULL, 108257147Sbdrewery NULL, 109259266Sbdrewery NULL, 110257147Sbdrewery false, 111257147Sbdrewery }, 112257147Sbdrewery [FINGERPRINTS] = { 113257147Sbdrewery PKG_CONFIG_STRING, 114257147Sbdrewery "FINGERPRINTS", 115257147Sbdrewery NULL, 116257147Sbdrewery NULL, 117259266Sbdrewery NULL, 118257147Sbdrewery false, 119257147Sbdrewery }, 120259266Sbdrewery [REPOS_DIR] = { 121259266Sbdrewery PKG_CONFIG_LIST, 122259266Sbdrewery "REPOS_DIR", 123259266Sbdrewery NULL, 124259266Sbdrewery NULL, 125259266Sbdrewery NULL, 126259266Sbdrewery false, 127259266Sbdrewery }, 128247841Sbapt}; 129247841Sbapt 130247841Sbaptstatic const char * 131247841Sbaptelf_corres_to_string(struct _elf_corres *m, int e) 132247841Sbapt{ 133247841Sbapt int i; 134247841Sbapt 135247841Sbapt for (i = 0; m[i].string != NULL; i++) 136247841Sbapt if (m[i].elf_nb == e) 137247841Sbapt return (m[i].string); 138247841Sbapt 139247841Sbapt return ("unknown"); 140247841Sbapt} 141247841Sbapt 142255457Sbaptstatic const char * 143255457Sbaptaeabi_parse_arm_attributes(void *data, size_t length) 144255457Sbapt{ 145255457Sbapt uint32_t sect_len; 146255457Sbapt uint8_t *section = data; 147255457Sbapt 148255457Sbapt#define MOVE(len) do { \ 149255457Sbapt assert(length >= (len)); \ 150255457Sbapt section += (len); \ 151255457Sbapt length -= (len); \ 152255457Sbapt} while (0) 153255457Sbapt 154255457Sbapt if (length == 0 || *section != 'A') 155255457Sbapt return (NULL); 156255457Sbapt 157255457Sbapt MOVE(1); 158255457Sbapt 159255457Sbapt /* Read the section length */ 160255457Sbapt if (length < sizeof(sect_len)) 161255457Sbapt return (NULL); 162255457Sbapt 163255457Sbapt memcpy(§_len, section, sizeof(sect_len)); 164255457Sbapt 165255457Sbapt /* 166255457Sbapt * The section length should be no longer than the section it is within 167255457Sbapt */ 168255457Sbapt if (sect_len > length) 169255457Sbapt return (NULL); 170255457Sbapt 171255457Sbapt MOVE(sizeof(sect_len)); 172255457Sbapt 173255457Sbapt /* Skip the vendor name */ 174255457Sbapt while (length != 0) { 175255457Sbapt if (*section == '\0') 176255457Sbapt break; 177255457Sbapt MOVE(1); 178255457Sbapt } 179255457Sbapt if (length == 0) 180255457Sbapt return (NULL); 181255457Sbapt MOVE(1); 182255457Sbapt 183255457Sbapt while (length != 0) { 184255457Sbapt uint32_t tag_length; 185255457Sbapt 186255457Sbapt switch(*section) { 187255457Sbapt case 1: /* Tag_File */ 188255457Sbapt MOVE(1); 189255457Sbapt if (length < sizeof(tag_length)) 190255457Sbapt return (NULL); 191255457Sbapt memcpy(&tag_length, section, sizeof(tag_length)); 192255457Sbapt break; 193255457Sbapt case 2: /* Tag_Section */ 194255457Sbapt case 3: /* Tag_Symbol */ 195255457Sbapt default: 196255457Sbapt return (NULL); 197255457Sbapt } 198255457Sbapt /* At least space for the tag and size */ 199255457Sbapt if (tag_length <= 5) 200255457Sbapt return (NULL); 201255457Sbapt tag_length--; 202255457Sbapt /* Check the tag fits */ 203255457Sbapt if (tag_length > length) 204255457Sbapt return (NULL); 205255457Sbapt 206255457Sbapt#define MOVE_TAG(len) do { \ 207255457Sbapt assert(tag_length >= (len)); \ 208255457Sbapt MOVE(len); \ 209255457Sbapt tag_length -= (len); \ 210255457Sbapt} while(0) 211255457Sbapt 212255457Sbapt MOVE(sizeof(tag_length)); 213255457Sbapt tag_length -= sizeof(tag_length); 214255457Sbapt 215255457Sbapt while (tag_length != 0) { 216255457Sbapt uint8_t tag; 217255457Sbapt 218255457Sbapt assert(tag_length >= length); 219255457Sbapt 220255457Sbapt tag = *section; 221255457Sbapt MOVE_TAG(1); 222255457Sbapt 223255457Sbapt /* 224255457Sbapt * These tag values come from: 225255457Sbapt * 226255457Sbapt * Addenda to, and Errata in, the ABI for the 227255457Sbapt * ARM Architecture. Release 2.08, section 2.3. 228255457Sbapt */ 229255457Sbapt if (tag == 6) { /* == Tag_CPU_arch */ 230255457Sbapt uint8_t val; 231255457Sbapt 232255457Sbapt val = *section; 233255457Sbapt /* 234255457Sbapt * We don't support values that require 235255457Sbapt * more than one byte. 236255457Sbapt */ 237255457Sbapt if (val & (1 << 7)) 238255457Sbapt return (NULL); 239255457Sbapt 240255457Sbapt /* We have an ARMv4 or ARMv5 */ 241255457Sbapt if (val <= 5) 242255457Sbapt return ("arm"); 243255457Sbapt else /* We have an ARMv6+ */ 244255457Sbapt return ("armv6"); 245255457Sbapt } else if (tag == 4 || tag == 5 || tag == 32 || 246255457Sbapt tag == 65 || tag == 67) { 247255457Sbapt while (*section != '\0' && length != 0) 248255457Sbapt MOVE_TAG(1); 249255457Sbapt if (tag_length == 0) 250255457Sbapt return (NULL); 251255457Sbapt /* Skip the last byte */ 252255457Sbapt MOVE_TAG(1); 253255457Sbapt } else if ((tag >= 7 && tag <= 31) || tag == 34 || 254255457Sbapt tag == 36 || tag == 38 || tag == 42 || tag == 44 || 255255457Sbapt tag == 64 || tag == 66 || tag == 68 || tag == 70) { 256255457Sbapt /* Skip the uleb128 data */ 257255457Sbapt while (*section & (1 << 7) && length != 0) 258255457Sbapt MOVE_TAG(1); 259255457Sbapt if (tag_length == 0) 260255457Sbapt return (NULL); 261255457Sbapt /* Skip the last byte */ 262255457Sbapt MOVE_TAG(1); 263255457Sbapt } else 264255457Sbapt return (NULL); 265255457Sbapt#undef MOVE_TAG 266255457Sbapt } 267255457Sbapt 268255457Sbapt break; 269255457Sbapt } 270255457Sbapt return (NULL); 271255457Sbapt#undef MOVE 272255457Sbapt} 273255457Sbapt 274247841Sbaptstatic int 275247841Sbaptpkg_get_myabi(char *dest, size_t sz) 276247841Sbapt{ 277247841Sbapt Elf *elf; 278247841Sbapt Elf_Data *data; 279247841Sbapt Elf_Note note; 280247841Sbapt Elf_Scn *scn; 281247841Sbapt char *src, *osname; 282255457Sbapt const char *arch, *abi, *fpu, *endian_corres_str; 283255457Sbapt const char *wordsize_corres_str; 284247841Sbapt GElf_Ehdr elfhdr; 285247841Sbapt GElf_Shdr shdr; 286247841Sbapt int fd, i, ret; 287247841Sbapt uint32_t version; 288247841Sbapt 289247841Sbapt version = 0; 290247841Sbapt ret = -1; 291247841Sbapt scn = NULL; 292247841Sbapt abi = NULL; 293247841Sbapt 294247841Sbapt if (elf_version(EV_CURRENT) == EV_NONE) { 295247841Sbapt warnx("ELF library initialization failed: %s", 296247841Sbapt elf_errmsg(-1)); 297247841Sbapt return (-1); 298247841Sbapt } 299247841Sbapt 300247841Sbapt if ((fd = open(_PATH_BSHELL, O_RDONLY)) < 0) { 301247841Sbapt warn("open()"); 302247841Sbapt return (-1); 303247841Sbapt } 304247841Sbapt 305247841Sbapt if ((elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) { 306247841Sbapt ret = -1; 307247841Sbapt warnx("elf_begin() failed: %s.", elf_errmsg(-1)); 308247841Sbapt goto cleanup; 309247841Sbapt } 310247841Sbapt 311247841Sbapt if (gelf_getehdr(elf, &elfhdr) == NULL) { 312247841Sbapt ret = -1; 313247841Sbapt warn("getehdr() failed: %s.", elf_errmsg(-1)); 314247841Sbapt goto cleanup; 315247841Sbapt } 316247841Sbapt while ((scn = elf_nextscn(elf, scn)) != NULL) { 317247841Sbapt if (gelf_getshdr(scn, &shdr) != &shdr) { 318247841Sbapt ret = -1; 319247841Sbapt warn("getshdr() failed: %s.", elf_errmsg(-1)); 320247841Sbapt goto cleanup; 321247841Sbapt } 322247841Sbapt 323247841Sbapt if (shdr.sh_type == SHT_NOTE) 324247841Sbapt break; 325247841Sbapt } 326247841Sbapt 327247841Sbapt if (scn == NULL) { 328247841Sbapt ret = -1; 329247841Sbapt warn("failed to get the note section"); 330247841Sbapt goto cleanup; 331247841Sbapt } 332247841Sbapt 333247841Sbapt data = elf_getdata(scn, NULL); 334247841Sbapt src = data->d_buf; 335247841Sbapt for (;;) { 336247841Sbapt memcpy(¬e, src, sizeof(Elf_Note)); 337247841Sbapt src += sizeof(Elf_Note); 338247841Sbapt if (note.n_type == NT_VERSION) 339247841Sbapt break; 340247841Sbapt src += note.n_namesz + note.n_descsz; 341247841Sbapt } 342247841Sbapt osname = src; 343247841Sbapt src += roundup2(note.n_namesz, 4); 344247841Sbapt if (elfhdr.e_ident[EI_DATA] == ELFDATA2MSB) 345247841Sbapt version = be32dec(src); 346247841Sbapt else 347247841Sbapt version = le32dec(src); 348247841Sbapt 349247841Sbapt for (i = 0; osname[i] != '\0'; i++) 350247841Sbapt osname[i] = (char)tolower(osname[i]); 351247841Sbapt 352255457Sbapt wordsize_corres_str = elf_corres_to_string(wordsize_corres, 353255457Sbapt (int)elfhdr.e_ident[EI_CLASS]); 354247841Sbapt 355255457Sbapt arch = elf_corres_to_string(mach_corres, (int) elfhdr.e_machine); 356255457Sbapt 357255457Sbapt snprintf(dest, sz, "%s:%d", 358255457Sbapt osname, version / 100000); 359255457Sbapt 360247841Sbapt ret = 0; 361247841Sbapt 362247841Sbapt switch (elfhdr.e_machine) { 363247841Sbapt case EM_ARM: 364255457Sbapt endian_corres_str = elf_corres_to_string(endian_corres, 365255457Sbapt (int)elfhdr.e_ident[EI_DATA]); 366255457Sbapt 367253755Sbapt /* FreeBSD doesn't support the hard-float ABI yet */ 368253755Sbapt fpu = "softfp"; 369253755Sbapt if ((elfhdr.e_flags & 0xFF000000) != 0) { 370255457Sbapt const char *sh_name = NULL; 371255457Sbapt size_t shstrndx; 372255457Sbapt 373253755Sbapt /* This is an EABI file, the conformance level is set */ 374253755Sbapt abi = "eabi"; 375255457Sbapt /* Find which TARGET_ARCH we are building for. */ 376255457Sbapt elf_getshdrstrndx(elf, &shstrndx); 377255457Sbapt while ((scn = elf_nextscn(elf, scn)) != NULL) { 378255457Sbapt sh_name = NULL; 379255457Sbapt if (gelf_getshdr(scn, &shdr) != &shdr) { 380255457Sbapt scn = NULL; 381255457Sbapt break; 382255457Sbapt } 383255457Sbapt 384255457Sbapt sh_name = elf_strptr(elf, shstrndx, 385255457Sbapt shdr.sh_name); 386255457Sbapt if (sh_name == NULL) 387255457Sbapt continue; 388255457Sbapt if (strcmp(".ARM.attributes", sh_name) == 0) 389255457Sbapt break; 390255457Sbapt } 391255457Sbapt if (scn != NULL && sh_name != NULL) { 392255457Sbapt data = elf_getdata(scn, NULL); 393255457Sbapt /* 394255457Sbapt * Prior to FreeBSD 10.0 libelf would return 395255457Sbapt * NULL from elf_getdata on the .ARM.attributes 396255457Sbapt * section. As this was the first release to 397255457Sbapt * get armv6 support assume a NULL value means 398255457Sbapt * arm. 399255457Sbapt * 400255457Sbapt * This assumption can be removed when 9.x 401255457Sbapt * is unsupported. 402255457Sbapt */ 403255457Sbapt if (data != NULL) { 404255457Sbapt arch = aeabi_parse_arm_attributes( 405255457Sbapt data->d_buf, data->d_size); 406255457Sbapt if (arch == NULL) { 407255457Sbapt ret = 1; 408255457Sbapt warn("unknown ARM ARCH"); 409255457Sbapt goto cleanup; 410255457Sbapt } 411255457Sbapt } 412255457Sbapt } else { 413255457Sbapt ret = 1; 414255457Sbapt warn("Unable to find the .ARM.attributes " 415255457Sbapt "section"); 416255457Sbapt goto cleanup; 417255457Sbapt } 418253755Sbapt } else if (elfhdr.e_ident[EI_OSABI] != ELFOSABI_NONE) { 419253755Sbapt /* 420253755Sbapt * EABI executables all have this field set to 421253755Sbapt * ELFOSABI_NONE, therefore it must be an oabi file. 422253755Sbapt */ 423253755Sbapt abi = "oabi"; 424253755Sbapt } else { 425253755Sbapt ret = 1; 426255457Sbapt warn("unknown ARM ABI"); 427253755Sbapt goto cleanup; 428253755Sbapt } 429247841Sbapt snprintf(dest + strlen(dest), sz - strlen(dest), 430255457Sbapt ":%s:%s:%s:%s:%s", arch, wordsize_corres_str, 431255457Sbapt endian_corres_str, abi, fpu); 432247841Sbapt break; 433247841Sbapt case EM_MIPS: 434247841Sbapt /* 435247841Sbapt * this is taken from binutils sources: 436247841Sbapt * include/elf/mips.h 437247841Sbapt * mapping is figured out from binutils: 438247841Sbapt * gas/config/tc-mips.c 439247841Sbapt */ 440247841Sbapt switch (elfhdr.e_flags & EF_MIPS_ABI) { 441247841Sbapt case E_MIPS_ABI_O32: 442247841Sbapt abi = "o32"; 443247841Sbapt break; 444247841Sbapt case E_MIPS_ABI_N32: 445247841Sbapt abi = "n32"; 446247841Sbapt break; 447247841Sbapt default: 448247841Sbapt if (elfhdr.e_ident[EI_DATA] == 449247841Sbapt ELFCLASS32) 450247841Sbapt abi = "o32"; 451247841Sbapt else if (elfhdr.e_ident[EI_DATA] == 452247841Sbapt ELFCLASS64) 453247841Sbapt abi = "n64"; 454247841Sbapt break; 455247841Sbapt } 456255457Sbapt endian_corres_str = elf_corres_to_string(endian_corres, 457255457Sbapt (int)elfhdr.e_ident[EI_DATA]); 458255457Sbapt 459255457Sbapt snprintf(dest + strlen(dest), sz - strlen(dest), ":%s:%s:%s:%s", 460255457Sbapt arch, wordsize_corres_str, endian_corres_str, abi); 461247841Sbapt break; 462255457Sbapt default: 463255457Sbapt snprintf(dest + strlen(dest), sz - strlen(dest), ":%s:%s", 464255457Sbapt arch, wordsize_corres_str); 465247841Sbapt } 466247841Sbapt 467247841Sbaptcleanup: 468247841Sbapt if (elf != NULL) 469247841Sbapt elf_end(elf); 470247841Sbapt 471247841Sbapt close(fd); 472247841Sbapt return (ret); 473247841Sbapt} 474247841Sbapt 475247841Sbaptstatic void 476247841Sbaptsubst_packagesite(const char *abi) 477247841Sbapt{ 478247841Sbapt struct sbuf *newval; 479247841Sbapt const char *variable_string; 480247841Sbapt const char *oldval; 481247841Sbapt 482247841Sbapt if (c[PACKAGESITE].value != NULL) 483247841Sbapt oldval = c[PACKAGESITE].value; 484247841Sbapt else 485247841Sbapt oldval = c[PACKAGESITE].val; 486247841Sbapt 487247841Sbapt if ((variable_string = strstr(oldval, "${ABI}")) == NULL) 488247841Sbapt return; 489247841Sbapt 490247841Sbapt newval = sbuf_new_auto(); 491247841Sbapt sbuf_bcat(newval, oldval, variable_string - oldval); 492247841Sbapt sbuf_cat(newval, abi); 493247841Sbapt sbuf_cat(newval, variable_string + strlen("${ABI}")); 494247841Sbapt sbuf_finish(newval); 495247841Sbapt 496247841Sbapt free(c[PACKAGESITE].value); 497247841Sbapt c[PACKAGESITE].value = strdup(sbuf_data(newval)); 498247841Sbapt} 499247841Sbapt 500259266Sbdrewerystatic int 501259266Sbdreweryboolstr_to_bool(const char *str) 502259266Sbdrewery{ 503259266Sbdrewery if (str != NULL && (strcasecmp(str, "true") == 0 || 504259266Sbdrewery strcasecmp(str, "yes") == 0 || strcasecmp(str, "on") == 0 || 505259266Sbdrewery str[0] == '1')) 506259266Sbdrewery return (true); 507259266Sbdrewery 508259266Sbdrewery return (false); 509259266Sbdrewery} 510259266Sbdrewery 511247841Sbaptstatic void 512262400Sbaptconfig_parse(ucl_object_t *obj, pkg_conf_file_t conftype) 513247841Sbapt{ 514247841Sbapt struct sbuf *buf = sbuf_new_auto(); 515262400Sbapt ucl_object_t *cur, *seq; 516262400Sbapt ucl_object_iter_t it = NULL, itseq = NULL; 517259266Sbdrewery struct config_entry *temp_config; 518259266Sbdrewery struct config_value *cv; 519262400Sbapt const char *key; 520247841Sbapt int i; 521247841Sbapt size_t j; 522247841Sbapt 523259266Sbdrewery /* Temporary config for configs that may be disabled. */ 524259266Sbdrewery temp_config = calloc(CONFIG_SIZE, sizeof(struct config_entry)); 525259266Sbdrewery 526262400Sbapt while ((cur = ucl_iterate_object(obj, &it, true))) { 527262400Sbapt key = ucl_object_key(cur); 528262400Sbapt if (key == NULL) 529247841Sbapt continue; 530247841Sbapt sbuf_clear(buf); 531247841Sbapt 532257145Sbdrewery if (conftype == CONFFILE_PKG) { 533262400Sbapt for (j = 0; j < strlen(key); ++j) 534262400Sbapt sbuf_putc(buf, key[j]); 535257145Sbdrewery sbuf_finish(buf); 536257145Sbdrewery } else if (conftype == CONFFILE_REPO) { 537262400Sbapt if (strcasecmp(key, "url") == 0) 538257145Sbdrewery sbuf_cpy(buf, "PACKAGESITE"); 539262400Sbapt else if (strcasecmp(key, "mirror_type") == 0) 540257145Sbdrewery sbuf_cpy(buf, "MIRROR_TYPE"); 541262400Sbapt else if (strcasecmp(key, "signature_type") == 0) 542257147Sbdrewery sbuf_cpy(buf, "SIGNATURE_TYPE"); 543262400Sbapt else if (strcasecmp(key, "fingerprints") == 0) 544257147Sbdrewery sbuf_cpy(buf, "FINGERPRINTS"); 545262400Sbapt else if (strcasecmp(key, "enabled") == 0) { 546262400Sbapt if ((cur->type != UCL_BOOLEAN) || 547262400Sbapt !ucl_object_toboolean(cur)) 548259266Sbdrewery goto cleanup; 549262400Sbapt } else 550257145Sbdrewery continue; 551257145Sbdrewery sbuf_finish(buf); 552257145Sbdrewery } 553257145Sbdrewery 554247841Sbapt for (i = 0; i < CONFIG_SIZE; i++) { 555247841Sbapt if (strcmp(sbuf_data(buf), c[i].key) == 0) 556247841Sbapt break; 557247841Sbapt } 558247841Sbapt 559257145Sbdrewery /* Silently skip unknown keys to be future compatible. */ 560262400Sbapt if (i == CONFIG_SIZE) 561247841Sbapt continue; 562247841Sbapt 563247841Sbapt /* env has priority over config file */ 564262400Sbapt if (c[i].envset) 565247841Sbapt continue; 566247841Sbapt 567259266Sbdrewery /* Parse sequence value ["item1", "item2"] */ 568259266Sbdrewery switch (c[i].type) { 569259266Sbdrewery case PKG_CONFIG_LIST: 570262400Sbapt if (cur->type != UCL_ARRAY) { 571262400Sbapt warnx("Skipping invalid array " 572259266Sbdrewery "value for %s.\n", c[i].key); 573259266Sbdrewery continue; 574259266Sbdrewery } 575259266Sbdrewery temp_config[i].list = 576259266Sbdrewery malloc(sizeof(*temp_config[i].list)); 577259266Sbdrewery STAILQ_INIT(temp_config[i].list); 578259266Sbdrewery 579262400Sbapt while ((seq = ucl_iterate_object(cur, &itseq, true))) { 580262400Sbapt if (seq->type != UCL_STRING) 581259266Sbdrewery continue; 582259266Sbdrewery cv = malloc(sizeof(struct config_value)); 583259266Sbdrewery cv->value = 584262400Sbapt strdup(ucl_object_tostring(seq)); 585259266Sbdrewery STAILQ_INSERT_TAIL(temp_config[i].list, cv, 586259266Sbdrewery next); 587259266Sbdrewery } 588259266Sbdrewery break; 589259266Sbdrewery default: 590259266Sbdrewery /* Normal string value. */ 591262400Sbapt temp_config[i].value = strdup(ucl_object_tostring(cur)); 592259266Sbdrewery break; 593259266Sbdrewery } 594247841Sbapt } 595247841Sbapt 596259266Sbdrewery /* Repo is enabled, copy over all settings from temp_config. */ 597259266Sbdrewery for (i = 0; i < CONFIG_SIZE; i++) { 598259266Sbdrewery if (c[i].envset) 599259266Sbdrewery continue; 600259266Sbdrewery switch (c[i].type) { 601259266Sbdrewery case PKG_CONFIG_LIST: 602259266Sbdrewery c[i].list = temp_config[i].list; 603259266Sbdrewery break; 604259266Sbdrewery default: 605259266Sbdrewery c[i].value = temp_config[i].value; 606259266Sbdrewery break; 607259266Sbdrewery } 608259266Sbdrewery } 609259266Sbdrewery 610259266Sbdrewerycleanup: 611259266Sbdrewery free(temp_config); 612247841Sbapt sbuf_delete(buf); 613247841Sbapt} 614247841Sbapt 615257145Sbdrewery/*- 616257145Sbdrewery * Parse new repo style configs in style: 617257145Sbdrewery * Name: 618257145Sbdrewery * URL: 619257145Sbdrewery * MIRROR_TYPE: 620257145Sbdrewery * etc... 621257145Sbdrewery */ 622257145Sbdrewerystatic void 623262400Sbaptparse_repo_file(ucl_object_t *obj) 624247841Sbapt{ 625262400Sbapt ucl_object_iter_t it = NULL; 626262400Sbapt ucl_object_t *cur; 627262400Sbapt const char *key; 628257145Sbdrewery 629262400Sbapt while ((cur = ucl_iterate_object(obj, &it, true))) { 630262400Sbapt key = ucl_object_key(cur); 631257145Sbdrewery 632262400Sbapt if (key == NULL) 633257145Sbdrewery continue; 634257145Sbdrewery 635262400Sbapt if (cur->type != UCL_OBJECT) 636257145Sbdrewery continue; 637257145Sbdrewery 638262400Sbapt config_parse(cur, CONFFILE_REPO); 639257145Sbdrewery } 640257145Sbdrewery} 641257145Sbdrewery 642257145Sbdrewery 643257145Sbdrewerystatic int 644257145Sbdreweryread_conf_file(const char *confpath, pkg_conf_file_t conftype) 645257145Sbdrewery{ 646262400Sbapt struct ucl_parser *p; 647262400Sbapt ucl_object_t *obj = NULL; 648247841Sbapt 649262400Sbapt p = ucl_parser_new(0); 650262400Sbapt 651262400Sbapt if (!ucl_parser_add_file(p, confpath)) { 652247841Sbapt if (errno != ENOENT) 653262400Sbapt errx(EXIT_FAILURE, "Unable to parse configuration " 654262400Sbapt "file %s: %s", confpath, ucl_parser_get_error(p)); 655262400Sbapt ucl_parser_free(p); 656247841Sbapt /* no configuration present */ 657257145Sbdrewery return (1); 658247841Sbapt } 659247841Sbapt 660262400Sbapt obj = ucl_parser_get_object(p); 661262400Sbapt if (obj->type != UCL_OBJECT) 662257142Sbdrewery warnx("Invalid configuration format, ignoring the " 663257145Sbdrewery "configuration file %s", confpath); 664257145Sbdrewery else { 665257145Sbdrewery if (conftype == CONFFILE_PKG) 666262400Sbapt config_parse(obj, conftype); 667257145Sbdrewery else if (conftype == CONFFILE_REPO) 668262400Sbapt parse_repo_file(obj); 669247841Sbapt } 670247841Sbapt 671262400Sbapt ucl_object_free(obj); 672262400Sbapt ucl_parser_free(p); 673247841Sbapt 674257145Sbdrewery return (0); 675257145Sbdrewery} 676257145Sbdrewery 677259266Sbdrewerystatic int 678259266Sbdreweryload_repositories(const char *repodir) 679259266Sbdrewery{ 680259266Sbdrewery struct dirent *ent; 681259266Sbdrewery DIR *d; 682259266Sbdrewery char *p; 683259266Sbdrewery size_t n; 684259266Sbdrewery char path[MAXPATHLEN]; 685259266Sbdrewery int ret; 686259266Sbdrewery 687259266Sbdrewery ret = 0; 688259266Sbdrewery 689259266Sbdrewery if ((d = opendir(repodir)) == NULL) 690259266Sbdrewery return (1); 691259266Sbdrewery 692259266Sbdrewery while ((ent = readdir(d))) { 693259266Sbdrewery /* Trim out 'repos'. */ 694259266Sbdrewery if ((n = strlen(ent->d_name)) <= 5) 695259266Sbdrewery continue; 696259266Sbdrewery p = &ent->d_name[n - 5]; 697259266Sbdrewery if (strcmp(p, ".conf") == 0) { 698259266Sbdrewery snprintf(path, sizeof(path), "%s%s%s", 699259266Sbdrewery repodir, 700259266Sbdrewery repodir[strlen(repodir) - 1] == '/' ? "" : "/", 701259266Sbdrewery ent->d_name); 702259266Sbdrewery if (access(path, F_OK) == 0 && 703259266Sbdrewery read_conf_file(path, CONFFILE_REPO)) { 704259266Sbdrewery ret = 1; 705259266Sbdrewery goto cleanup; 706259266Sbdrewery } 707259266Sbdrewery } 708259266Sbdrewery } 709259266Sbdrewery 710259266Sbdrewerycleanup: 711259266Sbdrewery closedir(d); 712259266Sbdrewery 713259266Sbdrewery return (ret); 714259266Sbdrewery} 715259266Sbdrewery 716257145Sbdreweryint 717257145Sbdreweryconfig_init(void) 718257145Sbdrewery{ 719259266Sbdrewery char *val; 720257145Sbdrewery int i; 721257145Sbdrewery const char *localbase; 722259266Sbdrewery char *env_list_item; 723257145Sbdrewery char confpath[MAXPATHLEN]; 724259266Sbdrewery struct config_value *cv; 725257145Sbdrewery char abi[BUFSIZ]; 726257145Sbdrewery 727257145Sbdrewery for (i = 0; i < CONFIG_SIZE; i++) { 728257145Sbdrewery val = getenv(c[i].key); 729257145Sbdrewery if (val != NULL) { 730257145Sbdrewery c[i].envset = true; 731259266Sbdrewery switch (c[i].type) { 732259266Sbdrewery case PKG_CONFIG_LIST: 733259266Sbdrewery /* Split up comma-separated items from env. */ 734259266Sbdrewery c[i].list = malloc(sizeof(*c[i].list)); 735259266Sbdrewery STAILQ_INIT(c[i].list); 736259266Sbdrewery for (env_list_item = strtok(val, ","); 737259266Sbdrewery env_list_item != NULL; 738259266Sbdrewery env_list_item = strtok(NULL, ",")) { 739259266Sbdrewery cv = 740259266Sbdrewery malloc(sizeof(struct config_value)); 741259266Sbdrewery cv->value = 742259266Sbdrewery strdup(env_list_item); 743259266Sbdrewery STAILQ_INSERT_TAIL(c[i].list, cv, 744259266Sbdrewery next); 745259266Sbdrewery } 746259266Sbdrewery break; 747259266Sbdrewery default: 748259266Sbdrewery c[i].val = val; 749259266Sbdrewery break; 750259266Sbdrewery } 751257145Sbdrewery } 752257145Sbdrewery } 753257145Sbdrewery 754259266Sbdrewery /* Read LOCALBASE/etc/pkg.conf first. */ 755257145Sbdrewery localbase = getenv("LOCALBASE") ? getenv("LOCALBASE") : _LOCALBASE; 756257145Sbdrewery snprintf(confpath, sizeof(confpath), "%s/etc/pkg.conf", 757257145Sbdrewery localbase); 758257145Sbdrewery 759257145Sbdrewery if (access(confpath, F_OK) == 0 && read_conf_file(confpath, 760257145Sbdrewery CONFFILE_PKG)) 761257145Sbdrewery goto finalize; 762257145Sbdrewery 763259266Sbdrewery /* Then read in all repos from REPOS_DIR list of directories. */ 764259266Sbdrewery if (c[REPOS_DIR].list == NULL) { 765259266Sbdrewery c[REPOS_DIR].list = malloc(sizeof(*c[REPOS_DIR].list)); 766259266Sbdrewery STAILQ_INIT(c[REPOS_DIR].list); 767259266Sbdrewery cv = malloc(sizeof(struct config_value)); 768259266Sbdrewery cv->value = strdup("/etc/pkg"); 769259266Sbdrewery STAILQ_INSERT_TAIL(c[REPOS_DIR].list, cv, next); 770259266Sbdrewery cv = malloc(sizeof(struct config_value)); 771259266Sbdrewery if (asprintf(&cv->value, "%s/etc/pkg/repos", localbase) < 0) 772259266Sbdrewery goto finalize; 773259266Sbdrewery STAILQ_INSERT_TAIL(c[REPOS_DIR].list, cv, next); 774259266Sbdrewery } 775257145Sbdrewery 776259266Sbdrewery STAILQ_FOREACH(cv, c[REPOS_DIR].list, next) 777259266Sbdrewery if (load_repositories(cv->value)) 778259266Sbdrewery goto finalize; 779259266Sbdrewery 780247841Sbaptfinalize: 781247841Sbapt if (c[ABI].val == NULL && c[ABI].value == NULL) { 782247841Sbapt if (pkg_get_myabi(abi, BUFSIZ) != 0) 783257142Sbdrewery errx(EXIT_FAILURE, "Failed to determine the system " 784257142Sbdrewery "ABI"); 785247841Sbapt c[ABI].val = abi; 786247841Sbapt } 787247841Sbapt 788247843Sbapt subst_packagesite(c[ABI].value != NULL ? c[ABI].value : c[ABI].val); 789247841Sbapt 790247841Sbapt return (0); 791247841Sbapt} 792247841Sbapt 793247841Sbaptint 794247841Sbaptconfig_string(pkg_config_key k, const char **val) 795247841Sbapt{ 796247841Sbapt if (c[k].type != PKG_CONFIG_STRING) 797247841Sbapt return (-1); 798247841Sbapt 799247841Sbapt if (c[k].value != NULL) 800247841Sbapt *val = c[k].value; 801247841Sbapt else 802247841Sbapt *val = c[k].val; 803247841Sbapt 804247841Sbapt return (0); 805247841Sbapt} 806247841Sbapt 807247841Sbaptint 808247841Sbaptconfig_bool(pkg_config_key k, bool *val) 809247841Sbapt{ 810247841Sbapt const char *value; 811247841Sbapt 812247841Sbapt if (c[k].type != PKG_CONFIG_BOOL) 813247841Sbapt return (-1); 814247841Sbapt 815247841Sbapt *val = false; 816247841Sbapt 817247841Sbapt if (c[k].value != NULL) 818247841Sbapt value = c[k].value; 819247841Sbapt else 820247841Sbapt value = c[k].val; 821247841Sbapt 822259266Sbdrewery if (boolstr_to_bool(value)) 823247841Sbapt *val = true; 824247841Sbapt 825247841Sbapt return (0); 826247841Sbapt} 827247841Sbapt 828247841Sbaptvoid 829247841Sbaptconfig_finish(void) { 830247841Sbapt int i; 831247841Sbapt 832247841Sbapt for (i = 0; i < CONFIG_SIZE; i++) 833247841Sbapt free(c[i].value); 834247841Sbapt} 835