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Fix crash when --backup-dir is excessively long.

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This commit is contained in:
Wayne Davison
2010-12-16 22:15:04 -08:00
parent c463617443
commit efad2e85ea
1 changed files with 4 additions and 3 deletions
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7
options.c
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@@ -1491,17 +1491,18 @@ int parse_arguments(int *argc_p, const char ***argv_p)
return 0;
}
if (backup_dir) {
backup_dir_len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
if (backup_dir_remainder < 32) {
size_t len = strlcpy(backup_dir_buf, backup_dir, sizeof backup_dir_buf);
if (len > sizeof backup_dir_buf - 128) {
snprintf(err_buf, sizeof err_buf,
"the --backup-dir path is WAY too long.\n");
return 0;
}
backup_dir_len = (int)len;
if (backup_dir_buf[backup_dir_len - 1] != '/') {
backup_dir_buf[backup_dir_len++] = '/';
backup_dir_buf[backup_dir_len] = '\0';
}
backup_dir_remainder = sizeof backup_dir_buf - backup_dir_len;
if (verbose > 1 && !am_sender)
rprintf(FINFO, "backup_dir is %s\n", backup_dir_buf);
} else if (!backup_suffix_len && (!am_server || !am_sender)) {