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author | Beniamino Galvani <bgalvani@redhat.com> | 2019-10-18 06:34:54 +0200 |
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committer | Beniamino Galvani <bgalvani@redhat.com> | 2019-10-18 06:34:54 +0200 |
commit | a5f22dbc5d026104485c8098a0499135ba779589 (patch) | |
tree | 75ed92ccb77169e1d043c5f5bf760d18bb28e4a9 | |
parent | c0f4c2f2e67a3afd62c3a154887c11f412647ed9 (diff) | |
parent | 2da4d54ac3e58b94a915d1fd0c488610b855c6fa (diff) | |
download | NetworkManager-a5f22dbc5d026104485c8098a0499135ba779589.tar.gz |
dhcp: merge branch 'bg/dhcp-invalid-hostname'
https://bugzilla.redhat.com/show_bug.cgi?id=1744427
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/merge_requests/310
-rw-r--r-- | shared/systemd/nm-sd-utils-shared.c | 17 | ||||
-rw-r--r-- | shared/systemd/nm-sd-utils-shared.h | 3 | ||||
-rw-r--r-- | src/dhcp/nm-dhcp-manager.c | 12 |
3 files changed, 29 insertions, 3 deletions
diff --git a/shared/systemd/nm-sd-utils-shared.c b/shared/systemd/nm-sd-utils-shared.c index 3fd0c05089..85fd6a353e 100644 --- a/shared/systemd/nm-sd-utils-shared.c +++ b/shared/systemd/nm-sd-utils-shared.c @@ -9,9 +9,10 @@ #include "nm-sd-adapt-shared.h" -#include "path-util.h" -#include "hexdecoct.h" #include "dns-domain.h" +#include "hexdecoct.h" +#include "hostname-util.h" +#include "path-util.h" /*****************************************************************************/ @@ -39,7 +40,7 @@ nm_sd_utils_path_startswith (const char *path, const char *prefix) /*****************************************************************************/ -gboolean +int nm_sd_utils_unbase64char (char ch, gboolean accept_padding_equal) { if ( ch == '=' @@ -83,3 +84,13 @@ int nm_sd_dns_name_to_wire_format (const char *domain, { return dns_name_to_wire_format (domain, buffer, len, canonical); } + +int nm_sd_dns_name_is_valid (const char *s) +{ + return dns_name_is_valid (s); +} + +gboolean nm_sd_hostname_is_valid (const char *s, bool allow_trailing_dot) +{ + return hostname_is_valid (s, allow_trailing_dot); +} diff --git a/shared/systemd/nm-sd-utils-shared.h b/shared/systemd/nm-sd-utils-shared.h index 42ddc3e4f8..3495a31d19 100644 --- a/shared/systemd/nm-sd-utils-shared.h +++ b/shared/systemd/nm-sd-utils-shared.h @@ -31,4 +31,7 @@ int nm_sd_dns_name_to_wire_format (const char *domain, size_t len, gboolean canonical); +int nm_sd_dns_name_is_valid (const char *s); +gboolean nm_sd_hostname_is_valid(const char *s, bool allow_trailing_dot); + #endif /* __NM_SD_UTILS_SHARED_H__ */ diff --git a/src/dhcp/nm-dhcp-manager.c b/src/dhcp/nm-dhcp-manager.c index a27f5572bb..2458f6c616 100644 --- a/src/dhcp/nm-dhcp-manager.c +++ b/src/dhcp/nm-dhcp-manager.c @@ -17,6 +17,7 @@ #include <stdio.h> #include "nm-glib-aux/nm-dedup-multi.h" +#include "systemd/nm-sd-utils-shared.h" #include "nm-config.h" #include "NetworkManagerUtils.h" @@ -252,6 +253,17 @@ client_start (NMDhcpManager *self, g_return_val_if_reached (NULL) ; } + if (hostname) { + if ( (hostname_use_fqdn && !nm_sd_dns_name_is_valid (hostname)) + || (!hostname_use_fqdn && !nm_sd_hostname_is_valid (hostname, FALSE))) { + nm_log_warn (LOGD_DHCP , "dhcp%c: %s '%s' is invalid, will be ignored", + nm_utils_addr_family_to_char (addr_family), + hostname_use_fqdn ? "FQDN" : "hostname", + hostname); + hostname = NULL; + } + } + nm_assert (g_bytes_get_size (hwaddr) == g_bytes_get_size (bcast_hwaddr)); priv = NM_DHCP_MANAGER_GET_PRIVATE (self); |