git: a20773c81081 - main - pfctl: support recursive printing of nat rules
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Date: Tue, 08 Mar 2022 10:52:35 UTC
The branch main has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=a20773c810814dd130ca1f0fbf08d27fea465555 commit a20773c810814dd130ca1f0fbf08d27fea465555 Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2022-03-05 16:55:48 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2022-03-08 09:51:09 +0000 pfctl: support recursive printing of nat rules PR: 252617 MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D34455 --- sbin/pfctl/pfctl.c | 41 ++++++++++++++++++++++++++++++++++------- 1 file changed, 34 insertions(+), 7 deletions(-) diff --git a/sbin/pfctl/pfctl.c b/sbin/pfctl/pfctl.c index 4ff1bd25e0eb..b1d6c6899716 100644 --- a/sbin/pfctl/pfctl.c +++ b/sbin/pfctl/pfctl.c @@ -101,7 +101,7 @@ void pfctl_print_eth_rule_counters(struct pfctl_eth_rule *, int); void pfctl_print_rule_counters(struct pfctl_rule *, int); int pfctl_show_eth_rules(int, char *, int, enum pfctl_show, char *, int); int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int); -int pfctl_show_nat(int, int, char *); +int pfctl_show_nat(int, char *, int, char *, int); int pfctl_show_src_nodes(int, int); int pfctl_show_states(int, const char *, int); int pfctl_show_status(int, int); @@ -1296,17 +1296,19 @@ pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format, } int -pfctl_show_nat(int dev, int opts, char *anchorname) +pfctl_show_nat(int dev, char *path, int opts, char *anchorname, int depth) { struct pfioc_rule pr; struct pfctl_rule rule; u_int32_t mnr, nr; static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT }; int i, dotitle = opts & PF_OPT_SHOWALL; + int brace; + char *p; - memset(&pr, 0, sizeof(pr)); - memcpy(pr.anchor, anchorname, sizeof(pr.anchor)); for (i = 0; i < 3; i++) { + memset(&pr, 0, sizeof(pr)); + memcpy(pr.anchor, anchorname, sizeof(pr.anchor)); pr.rule.action = nattype[i]; if (ioctl(dev, DIOCGETRULES, &pr)) { warn("DIOCGETRULES"); @@ -1314,6 +1316,9 @@ pfctl_show_nat(int dev, int opts, char *anchorname) } mnr = pr.nr; for (nr = 0; nr < mnr; ++nr) { + brace = 0; + INDENT(depth, !(opts & PF_OPT_VERBOSE)); + pr.nr = nr; if (pfctl_get_rule(dev, nr, pr.ticket, anchorname, nattype[i], &rule, pr.anchor_call)) { @@ -1323,15 +1328,37 @@ pfctl_show_nat(int dev, int opts, char *anchorname) if (pfctl_get_pool(dev, &rule.rpool, nr, pr.ticket, nattype[i], anchorname) != 0) return (-1); + + if (pr.anchor_call[0] && + ((((p = strrchr(pr.anchor_call, '_')) != NULL) && + (p == pr.anchor_call || + *(--p) == '/')) || (opts & PF_OPT_RECURSE))) { + brace++; + if ((p = strrchr(pr.anchor_call, '/')) != + NULL) + p++; + else + p = &pr.anchor_call[0]; + } else + p = &pr.anchor_call[0]; + if (dotitle) { pfctl_print_title("TRANSLATION RULES:"); dotitle = 0; } print_rule(&rule, pr.anchor_call, opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC); - printf("\n"); + if (brace) + printf(" {\n"); + else + printf("\n"); pfctl_print_rule_counters(&rule, opts); pfctl_clear_pool(&rule.rpool); + if (brace) { + pfctl_show_nat(dev, path, opts, p, depth + 1); + INDENT(depth, !(opts & PF_OPT_VERBOSE)); + printf("}\n"); + } } } return (0); @@ -2827,7 +2854,7 @@ main(int argc, char *argv[]) break; case 'n': pfctl_load_fingerprints(dev, opts); - pfctl_show_nat(dev, opts, anchorname); + pfctl_show_nat(dev, path, opts, anchorname, 0); break; case 'q': pfctl_show_altq(dev, ifaceopt, opts, @@ -2860,7 +2887,7 @@ main(int argc, char *argv[]) pfctl_show_eth_rules(dev, path, opts, 0, anchorname, 0); - pfctl_show_nat(dev, opts, anchorname); + pfctl_show_nat(dev, path, opts, anchorname, 0); pfctl_show_rules(dev, path, opts, 0, anchorname, 0); pfctl_show_altq(dev, ifaceopt, opts, 0); pfctl_show_states(dev, ifaceopt, opts);