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2373941bd7
The IPv4 address parser in the getaddrinfo function is changed so that it does not ignore trailing whitespace and all characters after it. For backwards compatibility, the getaddrinfo function still recognizes legacy name syntax, such as 192.000.002.010 interpreted as 192.0.2.8 (octal). This commit does not change the behavior of inet_addr and inet_aton. gethostbyname already had additional sanity checks (but is switched over to the new __inet_aton_exact function for completeness as well). To avoid sending the problematic query names over DNS, commit6ca53a2453("resolv: Do not send queries for non-host-names in nss_dns [BZ #24112]") is needed. (cherry picked from commit108bc4049f)
109 lines
2.8 KiB
Plaintext
109 lines
2.8 KiB
Plaintext
libc {
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GLIBC_2.0 {
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_res;
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# helper functions
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__h_errno_location;
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# functions used in other libraries
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__res_randomid;
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# variables in normal name space
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h_errlist; h_nerr;
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# h*
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herror; hstrerror;
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# r*
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res_init;
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}
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GLIBC_2.2 {
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# r*
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__res_state; __res_init; __res_nclose; __res_ninit; _res_hconf;
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}
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GLIBC_PRIVATE {
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__gai_sigqueue;
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__h_errno; __resp;
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__res_iclose;
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__inet_aton_exact;
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__inet_pton_length;
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__resolv_context_get;
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__resolv_context_get_preinit;
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__resolv_context_get_override;
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__resolv_context_put;
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}
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}
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libresolv {
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GLIBC_2.0 {
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_gethtbyaddr; _gethtbyname; _gethtbyname2; _gethtent; _getlong;
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_getshort; _res_opcodes; _res_resultcodes; _sethtent; dn_expand;
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inet_net_ntop; inet_net_pton; inet_neta; res_gethostbyaddr;
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res_gethostbyname; res_gethostbyname2; res_mkquery; res_query;
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res_querydomain; res_search; res_send_setqhook; res_send_setrhook;
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# Variables
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__p_class_syms; __p_type_syms;
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# Private routines shared between libc/net, named, nslookup and others.
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__b64_ntop; __b64_pton;
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__dn_comp; __dn_count_labels; __dn_skipname;
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__fp_nquery; __fp_query; __fp_resstat; __hostalias;
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__loc_aton; __loc_ntoa;
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__p_cdname; __p_cdnname; __p_class; __p_fqname; __p_fqnname; __p_option;
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__p_query; __p_rr; __p_secstodate; __p_time; __p_type;
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__putlong; __putshort;
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__res_close; __res_dnok; __res_hnok; __res_isourserver; __res_mailok;
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__res_nameinquery; __res_ownok; __res_queriesmatch;
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__res_send;
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__sym_ntop; __sym_ntos; __sym_ston;
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}
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GLIBC_2.2 {
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__dn_expand;
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__res_hostalias; __res_mkquery; __res_nmkquery; __res_nquery;
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__res_nquerydomain; __res_nsearch; __res_nsend; __res_query;
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__res_querydomain; __res_search;
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}
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GLIBC_2.3.2 {
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__p_rcode;
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}
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GLIBC_2.9 {
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ns_msg_getflag;
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ns_get16; ns_get32; ns_put16; ns_put32;
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ns_initparse; ns_skiprr; ns_parserr;
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ns_sprintrr; ns_sprintrrf;
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ns_format_ttl; ns_parse_ttl;
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ns_datetosecs;
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ns_name_ntol; ns_name_ntop; ns_name_pton;
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ns_name_unpack; ns_name_pack;
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ns_name_uncompress; ns_name_compress;
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ns_name_skip; ns_name_rollback;
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ns_samedomain; ns_subdomain; ns_makecanon; ns_samename;
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}
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GLIBC_PRIVATE {
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# Needed in libnss_dns.
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__ns_name_unpack; __ns_name_ntop;
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__ns_get16; __ns_get32;
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__res_context_query;
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__res_context_search;
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__res_context_hostalias;
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}
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}
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libnss_dns {
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GLIBC_PRIVATE {
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_nss_dns_gethostbyaddr_r; _nss_dns_gethostbyname2_r;
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_nss_dns_gethostbyname3_r;
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_nss_dns_gethostbyname_r; _nss_dns_getnetbyaddr_r;
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_nss_dns_getnetbyname_r; _nss_dns_getcanonname_r;
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_nss_dns_gethostbyaddr2_r;
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_nss_dns_gethostbyname4_r;
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}
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}
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libanl {
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GLIBC_2.2.3 {
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gai_cancel; gai_error; gai_suspend; getaddrinfo_a;
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}
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}
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