1228753Smm/*- 2228753Smm * Copyright (c) 2003-2007 Tim Kientzle 3228753Smm * Copyright (c) 2008 Joerg Sonnenberger 4228753Smm * All rights reserved. 5228753Smm * 6228753Smm * Redistribution and use in source and binary forms, with or without 7228753Smm * modification, are permitted provided that the following conditions 8228753Smm * are met: 9228753Smm * 1. Redistributions of source code must retain the above copyright 10228753Smm * notice, this list of conditions and the following disclaimer. 11228753Smm * 2. Redistributions in binary form must reproduce the above copyright 12228753Smm * notice, this list of conditions and the following disclaimer in the 13228753Smm * documentation and/or other materials provided with the distribution. 14228753Smm * 15228753Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 16228753Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17228753Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18228753Smm * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 19228753Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20228753Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21228753Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22228753Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23228753Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24228753Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25228753Smm */ 26228753Smm 27228753Smm#include "archive_platform.h" 28229592Smm__FBSDID("$FreeBSD$"); 29228753Smm 30228753Smm#ifdef HAVE_ERRNO_H 31228753Smm#include <errno.h> 32228753Smm#endif 33228753Smm#include <stdio.h> 34228753Smm#ifdef HAVE_STDLIB_H 35228753Smm#include <stdlib.h> 36228753Smm#endif 37228753Smm#ifdef HAVE_STRING_H 38228753Smm#include <string.h> 39228753Smm#endif 40228753Smm 41228753Smm#include "archive.h" 42228753Smm#include "archive_entry.h" 43228753Smm#include "archive_private.h" 44228753Smm#include "archive_write_private.h" 45228753Smm 46228753Smmstruct shar { 47228753Smm int dump; 48228753Smm int end_of_line; 49228753Smm struct archive_entry *entry; 50228753Smm int has_data; 51228753Smm char *last_dir; 52228753Smm 53228753Smm /* Line buffer for uuencoded dump format */ 54228753Smm char outbuff[45]; 55228753Smm size_t outpos; 56228753Smm 57228753Smm int wrote_header; 58228753Smm struct archive_string work; 59228753Smm struct archive_string quoted_name; 60228753Smm}; 61228753Smm 62228753Smmstatic int archive_write_shar_finish(struct archive_write *); 63228753Smmstatic int archive_write_shar_destroy(struct archive_write *); 64228753Smmstatic int archive_write_shar_header(struct archive_write *, 65228753Smm struct archive_entry *); 66228753Smmstatic ssize_t archive_write_shar_data_sed(struct archive_write *, 67228753Smm const void * buff, size_t); 68228753Smmstatic ssize_t archive_write_shar_data_uuencode(struct archive_write *, 69228753Smm const void * buff, size_t); 70228753Smmstatic int archive_write_shar_finish_entry(struct archive_write *); 71228753Smm 72228753Smm/* 73228753Smm * Copy the given string to the buffer, quoting all shell meta characters 74228753Smm * found. 75228753Smm */ 76228753Smmstatic void 77228753Smmshar_quote(struct archive_string *buf, const char *str, int in_shell) 78228753Smm{ 79228753Smm static const char meta[] = "\n \t'`\";&<>()|*?{}[]\\$!#^~"; 80228753Smm size_t len; 81228753Smm 82228753Smm while (*str != '\0') { 83228753Smm if ((len = strcspn(str, meta)) != 0) { 84228753Smm archive_strncat(buf, str, len); 85228753Smm str += len; 86228753Smm } else if (*str == '\n') { 87228753Smm if (in_shell) 88228753Smm archive_strcat(buf, "\"\n\""); 89228753Smm else 90228753Smm archive_strcat(buf, "\\n"); 91228753Smm ++str; 92228753Smm } else { 93228753Smm archive_strappend_char(buf, '\\'); 94228753Smm archive_strappend_char(buf, *str); 95228753Smm ++str; 96228753Smm } 97228753Smm } 98228753Smm} 99228753Smm 100228753Smm/* 101228753Smm * Set output format to 'shar' format. 102228753Smm */ 103228753Smmint 104228753Smmarchive_write_set_format_shar(struct archive *_a) 105228753Smm{ 106228753Smm struct archive_write *a = (struct archive_write *)_a; 107228753Smm struct shar *shar; 108228753Smm 109228753Smm /* If someone else was already registered, unregister them. */ 110228753Smm if (a->format_destroy != NULL) 111228753Smm (a->format_destroy)(a); 112228753Smm 113228753Smm shar = (struct shar *)malloc(sizeof(*shar)); 114228753Smm if (shar == NULL) { 115228753Smm archive_set_error(&a->archive, ENOMEM, "Can't allocate shar data"); 116228753Smm return (ARCHIVE_FATAL); 117228753Smm } 118228753Smm memset(shar, 0, sizeof(*shar)); 119228753Smm archive_string_init(&shar->work); 120228753Smm archive_string_init(&shar->quoted_name); 121228753Smm a->format_data = shar; 122228753Smm 123228753Smm a->pad_uncompressed = 0; 124228753Smm a->format_name = "shar"; 125228753Smm a->format_write_header = archive_write_shar_header; 126228753Smm a->format_finish = archive_write_shar_finish; 127228753Smm a->format_destroy = archive_write_shar_destroy; 128228753Smm a->format_write_data = archive_write_shar_data_sed; 129228753Smm a->format_finish_entry = archive_write_shar_finish_entry; 130228753Smm a->archive.archive_format = ARCHIVE_FORMAT_SHAR_BASE; 131228753Smm a->archive.archive_format_name = "shar"; 132228753Smm return (ARCHIVE_OK); 133228753Smm} 134228753Smm 135228753Smm/* 136228753Smm * An alternate 'shar' that uses uudecode instead of 'sed' to encode 137228753Smm * file contents and can therefore be used to archive binary files. 138228753Smm * In addition, this variant also attempts to restore ownership, file modes, 139228753Smm * and other extended file information. 140228753Smm */ 141228753Smmint 142228753Smmarchive_write_set_format_shar_dump(struct archive *_a) 143228753Smm{ 144228753Smm struct archive_write *a = (struct archive_write *)_a; 145228753Smm struct shar *shar; 146228753Smm 147228753Smm archive_write_set_format_shar(&a->archive); 148228753Smm shar = (struct shar *)a->format_data; 149228753Smm shar->dump = 1; 150228753Smm a->format_write_data = archive_write_shar_data_uuencode; 151228753Smm a->archive.archive_format = ARCHIVE_FORMAT_SHAR_DUMP; 152228753Smm a->archive.archive_format_name = "shar dump"; 153228753Smm return (ARCHIVE_OK); 154228753Smm} 155228753Smm 156228753Smmstatic int 157228753Smmarchive_write_shar_header(struct archive_write *a, struct archive_entry *entry) 158228753Smm{ 159228753Smm const char *linkname; 160228753Smm const char *name; 161228753Smm char *p, *pp; 162228753Smm struct shar *shar; 163228753Smm 164228753Smm shar = (struct shar *)a->format_data; 165228753Smm if (!shar->wrote_header) { 166228753Smm archive_strcat(&shar->work, "#!/bin/sh\n"); 167228753Smm archive_strcat(&shar->work, "# This is a shell archive\n"); 168228753Smm shar->wrote_header = 1; 169228753Smm } 170228753Smm 171228753Smm /* Save the entry for the closing. */ 172228753Smm if (shar->entry) 173228753Smm archive_entry_free(shar->entry); 174228753Smm shar->entry = archive_entry_clone(entry); 175228753Smm name = archive_entry_pathname(entry); 176228753Smm 177228753Smm /* Handle some preparatory issues. */ 178228753Smm switch(archive_entry_filetype(entry)) { 179228753Smm case AE_IFREG: 180228753Smm /* Only regular files have non-zero size. */ 181228753Smm break; 182228753Smm case AE_IFDIR: 183228753Smm archive_entry_set_size(entry, 0); 184228753Smm /* Don't bother trying to recreate '.' */ 185228753Smm if (strcmp(name, ".") == 0 || strcmp(name, "./") == 0) 186228753Smm return (ARCHIVE_OK); 187228753Smm break; 188228753Smm case AE_IFIFO: 189228753Smm case AE_IFCHR: 190228753Smm case AE_IFBLK: 191228753Smm /* All other file types have zero size in the archive. */ 192228753Smm archive_entry_set_size(entry, 0); 193228753Smm break; 194228753Smm default: 195228753Smm archive_entry_set_size(entry, 0); 196228753Smm if (archive_entry_hardlink(entry) == NULL && 197228753Smm archive_entry_symlink(entry) == NULL) { 198228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 199228753Smm "shar format cannot archive this"); 200228753Smm return (ARCHIVE_WARN); 201228753Smm } 202228753Smm } 203228753Smm 204228753Smm archive_string_empty(&shar->quoted_name); 205228753Smm shar_quote(&shar->quoted_name, name, 1); 206228753Smm 207228753Smm /* Stock preparation for all file types. */ 208228753Smm archive_string_sprintf(&shar->work, "echo x %s\n", shar->quoted_name.s); 209228753Smm 210228753Smm if (archive_entry_filetype(entry) != AE_IFDIR) { 211228753Smm /* Try to create the dir. */ 212228753Smm p = strdup(name); 213228753Smm pp = strrchr(p, '/'); 214228753Smm /* If there is a / character, try to create the dir. */ 215228753Smm if (pp != NULL) { 216228753Smm *pp = '\0'; 217228753Smm 218228753Smm /* Try to avoid a lot of redundant mkdir commands. */ 219228753Smm if (strcmp(p, ".") == 0) { 220228753Smm /* Don't try to "mkdir ." */ 221228753Smm free(p); 222228753Smm } else if (shar->last_dir == NULL) { 223228753Smm archive_strcat(&shar->work, "mkdir -p "); 224228753Smm shar_quote(&shar->work, p, 1); 225228753Smm archive_strcat(&shar->work, 226228753Smm " > /dev/null 2>&1\n"); 227228753Smm shar->last_dir = p; 228228753Smm } else if (strcmp(p, shar->last_dir) == 0) { 229228753Smm /* We've already created this exact dir. */ 230228753Smm free(p); 231228753Smm } else if (strlen(p) < strlen(shar->last_dir) && 232228753Smm strncmp(p, shar->last_dir, strlen(p)) == 0) { 233228753Smm /* We've already created a subdir. */ 234228753Smm free(p); 235228753Smm } else { 236228753Smm archive_strcat(&shar->work, "mkdir -p "); 237228753Smm shar_quote(&shar->work, p, 1); 238228753Smm archive_strcat(&shar->work, 239228753Smm " > /dev/null 2>&1\n"); 240228753Smm shar->last_dir = p; 241228753Smm } 242228753Smm } else { 243228753Smm free(p); 244228753Smm } 245228753Smm } 246228753Smm 247228753Smm /* Handle file-type specific issues. */ 248228753Smm shar->has_data = 0; 249228753Smm if ((linkname = archive_entry_hardlink(entry)) != NULL) { 250228753Smm archive_strcat(&shar->work, "ln -f "); 251228753Smm shar_quote(&shar->work, linkname, 1); 252228753Smm archive_string_sprintf(&shar->work, " %s\n", 253228753Smm shar->quoted_name.s); 254228753Smm } else if ((linkname = archive_entry_symlink(entry)) != NULL) { 255228753Smm archive_strcat(&shar->work, "ln -fs "); 256228753Smm shar_quote(&shar->work, linkname, 1); 257228753Smm archive_string_sprintf(&shar->work, " %s\n", 258228753Smm shar->quoted_name.s); 259228753Smm } else { 260228753Smm switch(archive_entry_filetype(entry)) { 261228753Smm case AE_IFREG: 262228753Smm if (archive_entry_size(entry) == 0) { 263228753Smm /* More portable than "touch." */ 264228753Smm archive_string_sprintf(&shar->work, 265228753Smm "test -e \"%s\" || :> \"%s\"\n", 266228753Smm shar->quoted_name.s, shar->quoted_name.s); 267228753Smm } else { 268228753Smm if (shar->dump) { 269228753Smm archive_string_sprintf(&shar->work, 270228753Smm "uudecode -p > %s << 'SHAR_END'\n", 271228753Smm shar->quoted_name.s); 272228753Smm archive_string_sprintf(&shar->work, 273228753Smm "begin %o ", 274228753Smm archive_entry_mode(entry) & 0777); 275228753Smm shar_quote(&shar->work, name, 0); 276228753Smm archive_strcat(&shar->work, "\n"); 277228753Smm } else { 278228753Smm archive_string_sprintf(&shar->work, 279228753Smm "sed 's/^X//' > %s << 'SHAR_END'\n", 280228753Smm shar->quoted_name.s); 281228753Smm } 282228753Smm shar->has_data = 1; 283228753Smm shar->end_of_line = 1; 284228753Smm shar->outpos = 0; 285228753Smm } 286228753Smm break; 287228753Smm case AE_IFDIR: 288228753Smm archive_string_sprintf(&shar->work, 289228753Smm "mkdir -p %s > /dev/null 2>&1\n", 290228753Smm shar->quoted_name.s); 291228753Smm /* Record that we just created this directory. */ 292228753Smm if (shar->last_dir != NULL) 293228753Smm free(shar->last_dir); 294228753Smm 295228753Smm shar->last_dir = strdup(name); 296228753Smm /* Trim a trailing '/'. */ 297228753Smm pp = strrchr(shar->last_dir, '/'); 298228753Smm if (pp != NULL && pp[1] == '\0') 299228753Smm *pp = '\0'; 300228753Smm /* 301228753Smm * TODO: Put dir name/mode on a list to be fixed 302228753Smm * up at end of archive. 303228753Smm */ 304228753Smm break; 305228753Smm case AE_IFIFO: 306228753Smm archive_string_sprintf(&shar->work, 307228753Smm "mkfifo %s\n", shar->quoted_name.s); 308228753Smm break; 309228753Smm case AE_IFCHR: 310228753Smm archive_string_sprintf(&shar->work, 311228753Smm "mknod %s c %d %d\n", shar->quoted_name.s, 312228753Smm archive_entry_rdevmajor(entry), 313228753Smm archive_entry_rdevminor(entry)); 314228753Smm break; 315228753Smm case AE_IFBLK: 316228753Smm archive_string_sprintf(&shar->work, 317228753Smm "mknod %s b %d %d\n", shar->quoted_name.s, 318228753Smm archive_entry_rdevmajor(entry), 319228753Smm archive_entry_rdevminor(entry)); 320228753Smm break; 321228753Smm default: 322228753Smm return (ARCHIVE_WARN); 323228753Smm } 324228753Smm } 325228753Smm 326228753Smm return (ARCHIVE_OK); 327228753Smm} 328228753Smm 329228753Smmstatic ssize_t 330228753Smmarchive_write_shar_data_sed(struct archive_write *a, const void *buff, size_t n) 331228753Smm{ 332228753Smm static const size_t ensured = 65533; 333228753Smm struct shar *shar; 334228753Smm const char *src; 335228753Smm char *buf, *buf_end; 336228753Smm int ret; 337228753Smm size_t written = n; 338228753Smm 339228753Smm shar = (struct shar *)a->format_data; 340228753Smm if (!shar->has_data || n == 0) 341228753Smm return (0); 342228753Smm 343228753Smm src = (const char *)buff; 344228753Smm 345228753Smm /* 346228753Smm * ensure is the number of bytes in buffer before expanding the 347228753Smm * current character. Each operation writes the current character 348228753Smm * and optionally the start-of-new-line marker. This can happen 349228753Smm * twice before entering the loop, so make sure three additional 350228753Smm * bytes can be written. 351228753Smm */ 352228753Smm if (archive_string_ensure(&shar->work, ensured + 3) == NULL) 353228753Smm __archive_errx(1, "Out of memory"); 354228753Smm 355228753Smm if (shar->work.length > ensured) { 356228753Smm ret = (*a->compressor.write)(a, shar->work.s, 357228753Smm shar->work.length); 358228753Smm if (ret != ARCHIVE_OK) 359228753Smm return (ARCHIVE_FATAL); 360228753Smm archive_string_empty(&shar->work); 361228753Smm } 362228753Smm buf = shar->work.s + shar->work.length; 363228753Smm buf_end = shar->work.s + ensured; 364228753Smm 365228753Smm if (shar->end_of_line) { 366228753Smm *buf++ = 'X'; 367228753Smm shar->end_of_line = 0; 368228753Smm } 369228753Smm 370228753Smm while (n-- != 0) { 371228753Smm if ((*buf++ = *src++) == '\n') { 372228753Smm if (n == 0) 373228753Smm shar->end_of_line = 1; 374228753Smm else 375228753Smm *buf++ = 'X'; 376228753Smm } 377228753Smm 378228753Smm if (buf >= buf_end) { 379228753Smm shar->work.length = buf - shar->work.s; 380228753Smm ret = (*a->compressor.write)(a, shar->work.s, 381228753Smm shar->work.length); 382228753Smm if (ret != ARCHIVE_OK) 383228753Smm return (ARCHIVE_FATAL); 384228753Smm archive_string_empty(&shar->work); 385228753Smm buf = shar->work.s; 386228753Smm } 387228753Smm } 388228753Smm 389228753Smm shar->work.length = buf - shar->work.s; 390228753Smm 391228753Smm return (written); 392228753Smm} 393228753Smm 394228753Smm#define UUENC(c) (((c)!=0) ? ((c) & 077) + ' ': '`') 395228753Smm 396228753Smmstatic void 397228753Smmuuencode_group(const char _in[3], char out[4]) 398228753Smm{ 399228753Smm const unsigned char *in = (const unsigned char *)_in; 400228753Smm int t; 401228753Smm 402228753Smm t = (in[0] << 16) | (in[1] << 8) | in[2]; 403228753Smm out[0] = UUENC( 0x3f & (t >> 18) ); 404228753Smm out[1] = UUENC( 0x3f & (t >> 12) ); 405228753Smm out[2] = UUENC( 0x3f & (t >> 6) ); 406228753Smm out[3] = UUENC( 0x3f & t ); 407228753Smm} 408228753Smm 409228753Smmstatic void 410228753Smmuuencode_line(struct shar *shar, const char *inbuf, size_t len) 411228753Smm{ 412228753Smm char tmp_buf[3], *buf; 413228753Smm size_t alloc_len; 414228753Smm 415228753Smm /* len <= 45 -> expanded to 60 + len byte + new line */ 416228753Smm alloc_len = shar->work.length + 62; 417228753Smm if (archive_string_ensure(&shar->work, alloc_len) == NULL) 418228753Smm __archive_errx(1, "Out of memory"); 419228753Smm 420228753Smm buf = shar->work.s + shar->work.length; 421228753Smm *buf++ = UUENC(len); 422228753Smm while (len >= 3) { 423228753Smm uuencode_group(inbuf, buf); 424228753Smm len -= 3; 425228753Smm inbuf += 3; 426228753Smm buf += 4; 427228753Smm } 428228753Smm if (len != 0) { 429228753Smm tmp_buf[0] = inbuf[0]; 430228753Smm if (len == 1) 431228753Smm tmp_buf[1] = '\0'; 432228753Smm else 433228753Smm tmp_buf[1] = inbuf[1]; 434228753Smm tmp_buf[2] = '\0'; 435228753Smm uuencode_group(inbuf, buf); 436228753Smm buf += 4; 437228753Smm } 438228753Smm *buf++ = '\n'; 439228753Smm if ((buf - shar->work.s) > (ptrdiff_t)(shar->work.length + 62)) 440228753Smm __archive_errx(1, "Buffer overflow"); 441228753Smm shar->work.length = buf - shar->work.s; 442228753Smm} 443228753Smm 444228753Smmstatic ssize_t 445228753Smmarchive_write_shar_data_uuencode(struct archive_write *a, const void *buff, 446228753Smm size_t length) 447228753Smm{ 448228753Smm struct shar *shar; 449228753Smm const char *src; 450228753Smm size_t n; 451228753Smm int ret; 452228753Smm 453228753Smm shar = (struct shar *)a->format_data; 454228753Smm if (!shar->has_data) 455228753Smm return (ARCHIVE_OK); 456228753Smm src = (const char *)buff; 457228753Smm 458228753Smm if (shar->outpos != 0) { 459228753Smm n = 45 - shar->outpos; 460228753Smm if (n > length) 461228753Smm n = length; 462228753Smm memcpy(shar->outbuff + shar->outpos, src, n); 463228753Smm if (shar->outpos + n < 45) { 464228753Smm shar->outpos += n; 465228753Smm return length; 466228753Smm } 467228753Smm uuencode_line(shar, shar->outbuff, 45); 468228753Smm src += n; 469228753Smm n = length - n; 470228753Smm } else { 471228753Smm n = length; 472228753Smm } 473228753Smm 474228753Smm while (n >= 45) { 475228753Smm uuencode_line(shar, src, 45); 476228753Smm src += 45; 477228753Smm n -= 45; 478228753Smm 479228753Smm if (shar->work.length < 65536) 480228753Smm continue; 481228753Smm ret = (*a->compressor.write)(a, shar->work.s, 482228753Smm shar->work.length); 483228753Smm if (ret != ARCHIVE_OK) 484228753Smm return (ARCHIVE_FATAL); 485228753Smm archive_string_empty(&shar->work); 486228753Smm } 487228753Smm if (n != 0) { 488228753Smm memcpy(shar->outbuff, src, n); 489228753Smm shar->outpos = n; 490228753Smm } 491228753Smm return (length); 492228753Smm} 493228753Smm 494228753Smmstatic int 495228753Smmarchive_write_shar_finish_entry(struct archive_write *a) 496228753Smm{ 497228753Smm const char *g, *p, *u; 498228753Smm struct shar *shar; 499228753Smm int ret; 500228753Smm 501228753Smm shar = (struct shar *)a->format_data; 502228753Smm if (shar->entry == NULL) 503228753Smm return (0); 504228753Smm 505228753Smm if (shar->dump) { 506228753Smm /* Finish uuencoded data. */ 507228753Smm if (shar->has_data) { 508228753Smm if (shar->outpos > 0) 509228753Smm uuencode_line(shar, shar->outbuff, 510228753Smm shar->outpos); 511228753Smm archive_strcat(&shar->work, "`\nend\n"); 512228753Smm archive_strcat(&shar->work, "SHAR_END\n"); 513228753Smm } 514228753Smm /* Restore file mode, owner, flags. */ 515228753Smm /* 516228753Smm * TODO: Don't immediately restore mode for 517228753Smm * directories; defer that to end of script. 518228753Smm */ 519228753Smm archive_string_sprintf(&shar->work, "chmod %o ", 520228753Smm archive_entry_mode(shar->entry) & 07777); 521228753Smm shar_quote(&shar->work, archive_entry_pathname(shar->entry), 1); 522228753Smm archive_strcat(&shar->work, "\n"); 523228753Smm 524228753Smm u = archive_entry_uname(shar->entry); 525228753Smm g = archive_entry_gname(shar->entry); 526228753Smm if (u != NULL || g != NULL) { 527228753Smm archive_strcat(&shar->work, "chown "); 528228753Smm if (u != NULL) 529228753Smm shar_quote(&shar->work, u, 1); 530228753Smm if (g != NULL) { 531228753Smm archive_strcat(&shar->work, ":"); 532228753Smm shar_quote(&shar->work, g, 1); 533228753Smm } 534228753Smm shar_quote(&shar->work, 535228753Smm archive_entry_pathname(shar->entry), 1); 536228753Smm archive_strcat(&shar->work, "\n"); 537228753Smm } 538228753Smm 539228753Smm if ((p = archive_entry_fflags_text(shar->entry)) != NULL) { 540228753Smm archive_string_sprintf(&shar->work, "chflags %s ", p); 541228753Smm shar_quote(&shar->work, 542228753Smm archive_entry_pathname(shar->entry), 1); 543228753Smm archive_strcat(&shar->work, "\n"); 544228753Smm } 545228753Smm 546228753Smm /* TODO: restore ACLs */ 547228753Smm 548228753Smm } else { 549228753Smm if (shar->has_data) { 550228753Smm /* Finish sed-encoded data: ensure last line ends. */ 551228753Smm if (!shar->end_of_line) 552228753Smm archive_strappend_char(&shar->work, '\n'); 553228753Smm archive_strcat(&shar->work, "SHAR_END\n"); 554228753Smm } 555228753Smm } 556228753Smm 557228753Smm archive_entry_free(shar->entry); 558228753Smm shar->entry = NULL; 559228753Smm 560228753Smm if (shar->work.length < 65536) 561228753Smm return (ARCHIVE_OK); 562228753Smm 563228753Smm ret = (*a->compressor.write)(a, shar->work.s, shar->work.length); 564228753Smm if (ret != ARCHIVE_OK) 565228753Smm return (ARCHIVE_FATAL); 566228753Smm archive_string_empty(&shar->work); 567228753Smm 568228753Smm return (ARCHIVE_OK); 569228753Smm} 570228753Smm 571228753Smmstatic int 572228753Smmarchive_write_shar_finish(struct archive_write *a) 573228753Smm{ 574228753Smm struct shar *shar; 575228753Smm int ret; 576228753Smm 577228753Smm /* 578228753Smm * TODO: Accumulate list of directory names/modes and 579228753Smm * fix them all up at end-of-archive. 580228753Smm */ 581228753Smm 582228753Smm shar = (struct shar *)a->format_data; 583228753Smm 584228753Smm /* 585228753Smm * Only write the end-of-archive markers if the archive was 586228753Smm * actually started. This avoids problems if someone sets 587228753Smm * shar format, then sets another format (which would invoke 588228753Smm * shar_finish to free the format-specific data). 589228753Smm */ 590228753Smm if (shar->wrote_header == 0) 591228753Smm return (ARCHIVE_OK); 592228753Smm 593228753Smm archive_strcat(&shar->work, "exit\n"); 594228753Smm 595228753Smm ret = (*a->compressor.write)(a, shar->work.s, shar->work.length); 596228753Smm if (ret != ARCHIVE_OK) 597228753Smm return (ARCHIVE_FATAL); 598228753Smm 599228753Smm /* Shar output is never padded. */ 600228753Smm archive_write_set_bytes_in_last_block(&a->archive, 1); 601228753Smm /* 602228753Smm * TODO: shar should also suppress padding of 603228753Smm * uncompressed data within gzip/bzip2 streams. 604228753Smm */ 605228753Smm 606228753Smm return (ARCHIVE_OK); 607228753Smm} 608228753Smm 609228753Smmstatic int 610228753Smmarchive_write_shar_destroy(struct archive_write *a) 611228753Smm{ 612228753Smm struct shar *shar; 613228753Smm 614228753Smm shar = (struct shar *)a->format_data; 615228753Smm if (shar == NULL) 616228753Smm return (ARCHIVE_OK); 617228753Smm 618228753Smm archive_entry_free(shar->entry); 619228753Smm free(shar->last_dir); 620228753Smm archive_string_free(&(shar->work)); 621228753Smm archive_string_free(&(shar->quoted_name)); 622228753Smm free(shar); 623228753Smm a->format_data = NULL; 624228753Smm return (ARCHIVE_OK); 625228753Smm} 626