Date: Mon, 29 Jun 2026 15:54:30 +0000 From: Dag-Erling=?utf-8?Q? Sm=C3=B8rg?=rav <des@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 208c43d6f57b - main - Revert "libc/resolv: Drop Solaris 2 compatibility" Message-ID: <6a429536.3b7a4.5bb5530a@gitrepo.freebsd.org>
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The branch main has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=208c43d6f57b036cfd207a54de54c4dd7b8123da commit 208c43d6f57b036cfd207a54de54c4dd7b8123da Author: Dag-Erling Smørgrav <des@FreeBSD.org> AuthorDate: 2026-06-29 15:54:01 +0000 Commit: Dag-Erling Smørgrav <des@FreeBSD.org> CommitDate: 2026-06-29 15:54:01 +0000 Revert "libc/resolv: Drop Solaris 2 compatibility" This reverts commit b27e21f304f260d539288756c5bb85421a549d44. --- lib/libc/nameser/ns_parse.c | 5 +++++ lib/libc/resolv/res_comp.c | 11 +++++++++++ lib/libc/resolv/res_init.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 58 insertions(+) diff --git a/lib/libc/nameser/ns_parse.c b/lib/libc/nameser/ns_parse.c index fa21127a5c7e..40f19d33c2bc 100644 --- a/lib/libc/nameser/ns_parse.c +++ b/lib/libc/nameser/ns_parse.c @@ -38,7 +38,12 @@ static void setsection(ns_msg *msg, ns_sect sect); /* Macros. */ +#if !defined(SOLARIS2) || defined(__COVERITY__) #define RETERR(err) do { errno = (err); return (-1); } while (0) +#else +#define RETERR(err) \ + do { errno = (err); if (errno == errno) return (-1); } while (0) +#endif #define PARSE_FMT_PRESO 0 /* Parse using presentation-format names */ #define PARSE_FMT_WIRE 1 /* Parse using network-format names */ diff --git a/lib/libc/resolv/res_comp.c b/lib/libc/resolv/res_comp.c index d9edcc9a4930..55b71266b4ae 100644 --- a/lib/libc/resolv/res_comp.c +++ b/lib/libc/resolv/res_comp.c @@ -240,6 +240,17 @@ res_dnok(const char *dn) { * Note that one _ comes from C and the others come from us. */ +#ifdef SOLARIS2 +#ifdef __putlong +#undef __putlong +#endif +#ifdef __putshort +#undef __putshort +#endif +#pragma weak putlong = __putlong +#pragma weak putshort = __putshort +#endif /* SOLARIS2 */ + void __putlong(u_int32_t src, u_char *dst) { ns_put32(src, dst); } void __putshort(u_int16_t src, u_char *dst) { ns_put16(src, dst); } #ifndef __ultrix__ diff --git a/lib/libc/resolv/res_init.c b/lib/libc/resolv/res_init.c index e9e982fe27bb..b21a3fa1670f 100644 --- a/lib/libc/resolv/res_init.c +++ b/lib/libc/resolv/res_init.c @@ -95,6 +95,10 @@ #include "res_private.h" +#ifdef SOLARIS2 +#include <sys/systeminfo.h> +#endif + static void res_setoptions(res_state, const char *, const char *); #ifdef RESOLVSORT @@ -215,6 +219,28 @@ __res_vinit(res_state statp, int preinit) { #endif res_setservers(statp, u, nitems(u)); +#ifdef SOLARIS2 + /* + * The old libresolv derived the defaultdomain from NIS/NIS+. + * We want to keep this behaviour + */ + { + char buf[sizeof(statp->defdname)], *cp; + int ret; + + if ((ret = sysinfo(SI_SRPC_DOMAIN, buf, sizeof(buf))) > 0 && + (unsigned int)ret <= sizeof(buf)) { + if (buf[0] == '+') + buf[0] = '.'; + cp = strchr(buf, '.'); + cp = (cp == NULL) ? buf : (cp + 1); + strncpy(statp->defdname, cp, + sizeof(statp->defdname) - 1); + statp->defdname[sizeof(statp->defdname) - 1] = '\0'; + } + } +#endif /* SOLARIS2 */ + /* Allow user to override the local domain definition */ if ((cp = secure_getenv("LOCALDOMAIN")) != NULL) { (void)strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1); @@ -554,6 +580,22 @@ res_setoptions(res_state statp, const char *options, const char *source) if (statp->options & RES_DEBUG) printf(";;\ttimeout=%d\n", statp->retrans); #endif +#ifdef SOLARIS2 + } else if (!strncmp(cp, "retrans:", sizeof("retrans:") - 1)) { + /* + * For backward compatibility, 'retrans' is + * supported as an alias for 'timeout', though + * without an imposed maximum. + */ + statp->retrans = atoi(cp + sizeof("retrans:") - 1); + } else if (!strncmp(cp, "retry:", sizeof("retry:") - 1)){ + /* + * For backward compatibility, 'retry' is + * supported as an alias for 'attempts', though + * without an imposed maximum. + */ + statp->retry = atoi(cp + sizeof("retry:") - 1); +#endif /* SOLARIS2 */ } else if (!strncmp(cp, "attempts:", sizeof("attempts:") - 1)){ i = atoi(cp + sizeof("attempts:") - 1); if (i <= RES_MAXRETRY)home | help
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