diff options
Diffstat (limited to 'dirmngr/dns-stuff.c')
| -rw-r--r-- | dirmngr/dns-stuff.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/dirmngr/dns-stuff.c b/dirmngr/dns-stuff.c index 028b065ab..a8713eb44 100644 --- a/dirmngr/dns-stuff.c +++ b/dirmngr/dns-stuff.c @@ -1740,17 +1740,37 @@ getsrv_standard (const char *name, } -/* Note that we do not return NONAME but simply store 0 at R_COUNT. */ +/* Query a SRV record for SERVICE and PROTO for NAME. If SERVICE is + * NULL, NAME is expected to contain the full query name. Note that + * we do not return NONAME but simply store 0 at R_COUNT. On error an + * error code is returned and 0 stored at R_COUNT. */ gpg_error_t -get_dns_srv (const char *name, struct srventry **list, unsigned int *r_count) +get_dns_srv (const char *name, const char *service, const char *proto, + struct srventry **list, unsigned int *r_count) { gpg_error_t err; + char *namebuffer = NULL; unsigned int srvcount; int i; *list = NULL; *r_count = 0; srvcount = 0; + + /* If SERVICE is given construct the query from it and PROTO. */ + if (service) + { + namebuffer = xtryasprintf ("_%s._%s.%s", + service, proto? proto:"tcp", name); + if (!namebuffer) + { + err = gpg_error_from_syserror (); + goto leave; + } + name = namebuffer; + } + + #ifdef USE_LIBDNS if (!standard_resolver) { @@ -1852,6 +1872,7 @@ get_dns_srv (const char *name, struct srventry **list, unsigned int *r_count) } if (!err) *r_count = srvcount; + xfree (namebuffer); return err; } |