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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 18:56:32 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 18:56:32 +0000 |
| commit | e2905c99ea172c2e54ea419699d8073d23fe7b22 (patch) | |
| tree | 89ef066e2d4428688b42ec1d2f23dd28d51253b2 /src/smtp | |
| parent | Adding upstream version 3.7.10. (diff) | |
| download | postfix-e2905c99ea172c2e54ea419699d8073d23fe7b22.tar.xz postfix-e2905c99ea172c2e54ea419699d8073d23fe7b22.zip | |
Adding upstream version 3.7.11.upstream/3.7.11upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/smtp')
| -rw-r--r-- | src/smtp/smtp_addr.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/smtp/smtp_addr.c b/src/smtp/smtp_addr.c index 2b5c126..fa0af4e 100644 --- a/src/smtp/smtp_addr.c +++ b/src/smtp/smtp_addr.c @@ -154,7 +154,7 @@ static DNS_RR *smtp_addr_one(DNS_RR *addr_list, const char *host, int res_opt, msg_fatal("host %s: conversion error for address family " "%d: %m", host, res0->ai_addr->sa_family); addr_list = dns_rr_append(addr_list, addr); - if (msg_verbose) + if (msg_verbose && !DNS_RR_IS_TRUNCATED(addr_list)) msg_info("%s: using numerical host %s", myname, host); freeaddrinfo(res0); return (addr_list); @@ -232,6 +232,8 @@ static DNS_RR *smtp_addr_one(DNS_RR *addr_list, const char *host, int res_opt, msg_fatal("host %s: conversion error for address family " "%d: %m", host, res0->ai_addr->sa_family); addr_list = dns_rr_append(addr_list, addr); + if (DNS_RR_IS_TRUNCATED(addr_list)) + break; if (msg_verbose) { MAI_HOSTADDR_STR hostaddr_str; @@ -297,6 +299,8 @@ static DNS_RR *smtp_addr_list(DNS_RR *mx_names, DSN_BUF *why) msg_panic("smtp_addr_list: bad resource type: %d", rr->type); addr_list = smtp_addr_one(addr_list, (char *) rr->data, res_opt, rr->pref, why); + if (addr_list && DNS_RR_IS_TRUNCATED(addr_list)) + break; } return (addr_list); } @@ -391,6 +395,13 @@ static DNS_RR *smtp_balance_inet_proto(DNS_RR *addr_list, int misc_flags, */ /* + * Ensure that dns_rr_append() won't interfere with the protocol + * balancing goals. + */ + if (addr_limit > var_dns_rr_list_limit) + addr_limit = var_dns_rr_list_limit; + + /* * Count the number of IPv6 and IPv4 addresses. */ for (v4_count = v6_count = 0, rr = addr_list; rr != 0; rr = rr->next) { |