Annotation of src/usr.bin/rsync/fargs.c, Revision 1.18
1.18 ! claudio 1: /* $Id: fargs.c,v 1.17 2019/05/08 20:00:25 benno Exp $ */
1.1 benno 2: /*
3: * Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #include <sys/stat.h>
18:
19: #include <assert.h>
1.18 ! claudio 20: #include <err.h>
1.1 benno 21: #include <stdint.h>
22: #include <stdlib.h>
1.9 deraadt 23: #include <string.h>
1.1 benno 24:
25: #include "extern.h"
26:
1.2 benno 27: #define RSYNC_PATH "rsync"
1.1 benno 28:
29: char **
1.14 naddy 30: fargs_cmdline(struct sess *sess, const struct fargs *f, size_t *skip)
1.1 benno 31: {
1.15 deraadt 32: arglist args;
33: size_t j;
34: char *rsync_path, *ap, *arg;
35:
36: memset(&args, 0, sizeof args);
1.1 benno 37:
1.3 deraadt 38: assert(f != NULL);
1.1 benno 39: assert(f->sourcesz > 0);
40:
1.3 deraadt 41: if ((rsync_path = sess->opts->rsync_path) == NULL)
1.1 benno 42: rsync_path = RSYNC_PATH;
43:
1.3 deraadt 44: if (f->host != NULL) {
1.11 florian 45: /*
46: * Splice arguments from -e "foo bar baz" into array
47: * elements required for execve(2).
48: * This doesn't do anything fancy: it splits along
49: * whitespace into the array.
50: */
51:
1.9 deraadt 52: if (sess->opts->ssh_prog) {
1.11 florian 53: ap = strdup(sess->opts->ssh_prog);
1.9 deraadt 54: if (ap == NULL)
1.18 ! claudio 55: err(ERR_NOMEM, NULL);
1.11 florian 56:
1.15 deraadt 57: while ((arg = strsep(&ap, " \t")) != NULL) {
58: if (arg[0] == '\0') {
1.9 deraadt 59: ap++; /* skip seperators */
60: continue;
61: }
62:
1.15 deraadt 63: addargs(&args, "%s", arg);
1.9 deraadt 64: }
65: } else
1.15 deraadt 66: addargs(&args, "ssh");
1.11 florian 67:
1.15 deraadt 68: addargs(&args, "%s", f->host);
69: addargs(&args, "%s", rsync_path);
1.14 naddy 70: if (skip)
1.15 deraadt 71: *skip = args.num;
72: addargs(&args, "--server");
1.3 deraadt 73: if (f->mode == FARGS_RECEIVER)
1.15 deraadt 74: addargs(&args, "--sender");
1.1 benno 75: } else {
1.15 deraadt 76: addargs(&args, "%s", rsync_path);
77: addargs(&args, "--server");
1.1 benno 78: }
79:
80: /* Shared arguments. */
81:
1.7 benno 82: if (sess->opts->del)
1.15 deraadt 83: addargs(&args, "--delete");
1.13 benno 84: if (sess->opts->numeric_ids)
1.15 deraadt 85: addargs(&args, "--numeric-ids");
1.7 benno 86: if (sess->opts->preserve_gids)
1.15 deraadt 87: addargs(&args, "-g");
1.7 benno 88: if (sess->opts->preserve_links)
1.15 deraadt 89: addargs(&args, "-l");
1.7 benno 90: if (sess->opts->dry_run)
1.15 deraadt 91: addargs(&args, "-n");
1.10 florian 92: if (sess->opts->preserve_uids)
1.15 deraadt 93: addargs(&args, "-o");
1.7 benno 94: if (sess->opts->preserve_perms)
1.15 deraadt 95: addargs(&args, "-p");
1.12 florian 96: if (sess->opts->devices)
1.15 deraadt 97: addargs(&args, "-D");
1.7 benno 98: if (sess->opts->recursive)
1.15 deraadt 99: addargs(&args, "-r");
1.7 benno 100: if (sess->opts->preserve_times)
1.15 deraadt 101: addargs(&args, "-t");
1.17 benno 102: if (verbose > 3)
1.15 deraadt 103: addargs(&args, "-v");
1.17 benno 104: if (verbose > 2)
1.15 deraadt 105: addargs(&args, "-v");
1.17 benno 106: if (verbose > 1)
1.15 deraadt 107: addargs(&args, "-v");
1.17 benno 108: if (verbose > 0)
1.15 deraadt 109: addargs(&args, "-v");
1.16 bket 110: if (sess->opts->one_file_system > 1)
111: addargs(&args, "-x");
112: if (sess->opts->one_file_system > 0)
113: addargs(&args, "-x");
1.12 florian 114: if (sess->opts->specials && !sess->opts->devices)
1.15 deraadt 115: addargs(&args, "--specials");
1.12 florian 116: if (!sess->opts->specials && sess->opts->devices)
117: /* --devices is sent as -D --no-specials */
1.15 deraadt 118: addargs(&args, "--no-specials");
1.1 benno 119:
120: /* Terminate with a full-stop for reasons unknown. */
121:
1.15 deraadt 122: addargs(&args, ".");
1.1 benno 123:
1.3 deraadt 124: if (f->mode == FARGS_RECEIVER) {
1.1 benno 125: for (j = 0; j < f->sourcesz; j++)
1.15 deraadt 126: addargs(&args, "%s", f->sources[j]);
1.1 benno 127: } else
1.15 deraadt 128: addargs(&args, "%s", f->sink);
1.1 benno 129:
1.15 deraadt 130: return args.list;
1.1 benno 131: }
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