From d31645adefb3462d168b44bb950f92654c395021 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 6 May 2016 21:20:59 +0200 Subject: tree-wide: port more code to use ifname_valid() --- src/core/load-fragment.c | 26 ++++++++----- src/libsystemd-network/network-internal.c | 64 +++++++------------------------ src/libsystemd-network/network-internal.h | 4 -- src/network/networkd-address.c | 27 +++++-------- src/nspawn/nspawn-gperf.gperf | 2 +- src/shared/conf-parser.c | 38 ++++++++++++++++++ src/shared/conf-parser.h | 1 + src/shared/firewall-util.c | 6 +-- 8 files changed, 83 insertions(+), 85 deletions(-) (limited to 'src') diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index 1a8c03904c..a12dd38c60 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -732,16 +732,17 @@ int config_parse_exec( DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type"); DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier"); -int config_parse_socket_bindtodevice(const char* unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +int config_parse_socket_bindtodevice( + const char* unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { Socket *s = data; char *n; @@ -752,6 +753,11 @@ int config_parse_socket_bindtodevice(const char* unit, assert(data); if (rvalue[0] && !streq(rvalue, "*")) { + if (!ifname_valid(rvalue)) { + log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is invalid, ignoring: %s", rvalue); + return 0; + } + n = strdup(rvalue); if (!n) return log_oom(); diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c index 182d08c50d..929f066fa0 100644 --- a/src/libsystemd-network/network-internal.c +++ b/src/libsystemd-network/network-internal.c @@ -32,6 +32,7 @@ #include "network-internal.h" #include "parse-util.h" #include "siphash24.h" +#include "socket-util.h" #include "string-util.h" #include "strv.h" #include "utf8.h" @@ -175,54 +176,17 @@ int config_parse_net_condition(const char *unit, return 0; } -int config_parse_ifname(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - char **s = data; - _cleanup_free_ char *n = NULL; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - n = strdup(rvalue); - if (!n) - return log_oom(); - - if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue); - return 0; - } - - free(*s); - if (*n) { - *s = n; - n = NULL; - } else - *s = NULL; - - return 0; -} - -int config_parse_ifnames(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +int config_parse_ifnames( + const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { char ***sv = data; int r; @@ -241,8 +205,8 @@ int config_parse_ifnames(const char *unit, if (r == 0) break; - if (!ascii_is_valid(word) || strlen(word) >= IFNAMSIZ) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue); + if (!ifname_valid(word)) { + log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not valid or too long, ignoring assignment: %s", rvalue); return 0; } diff --git a/src/libsystemd-network/network-internal.h b/src/libsystemd-network/network-internal.h index 72432774d7..5bcd577167 100644 --- a/src/libsystemd-network/network-internal.h +++ b/src/libsystemd-network/network-internal.h @@ -50,10 +50,6 @@ int config_parse_hwaddr(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -int config_parse_ifname(const char *unit, const char *filename, unsigned line, - const char *section, unsigned section_line, const char *lvalue, - int ltype, const char *rvalue, void *data, void *userdata); - int config_parse_ifnames(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c index 8b52a1f742..4eb0d927a6 100644 --- a/src/network/networkd-address.c +++ b/src/network/networkd-address.c @@ -27,6 +27,7 @@ #include "networkd.h" #include "parse-util.h" #include "set.h" +#include "socket-util.h" #include "string-util.h" #include "utf8.h" #include "util.h" @@ -726,7 +727,8 @@ int config_parse_address(const char *unit, return 0; } -int config_parse_label(const char *unit, +int config_parse_label( + const char *unit, const char *filename, unsigned line, const char *section, @@ -736,9 +738,9 @@ int config_parse_label(const char *unit, const char *rvalue, void *data, void *userdata) { - Network *network = userdata; + _cleanup_address_free_ Address *n = NULL; - char *label; + Network *network = userdata; int r; assert(filename); @@ -751,23 +753,14 @@ int config_parse_label(const char *unit, if (r < 0) return r; - label = strdup(rvalue); - if (!label) - return log_oom(); - - if (!ascii_is_valid(label) || strlen(label) >= IFNAMSIZ) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Interface label is not ASCII clean or is too long, ignoring assignment: %s", rvalue); - free(label); + if (!ifname_valid(rvalue)) { + log_syntax(unit, LOG_ERR, filename, line, 0, "Interface label is not valid or too long, ignoring assignment: %s", rvalue); return 0; } - free(n->label); - if (*label) - n->label = label; - else { - free(label); - n->label = NULL; - } + r = free_and_strdup(&n->label, rvalue); + if (r < 0) + return log_oom(); n = NULL; diff --git a/src/nspawn/nspawn-gperf.gperf b/src/nspawn/nspawn-gperf.gperf index 1d3f0b40bf..2b5d452662 100644 --- a/src/nspawn/nspawn-gperf.gperf +++ b/src/nspawn/nspawn-gperf.gperf @@ -39,6 +39,6 @@ Network.MACVLAN, config_parse_strv, 0, offsetof(Settings, Network.IPVLAN, config_parse_strv, 0, offsetof(Settings, network_ipvlan) Network.VirtualEthernet, config_parse_tristate, 0, offsetof(Settings, network_veth) Network.VirtualEthernetExtra, config_parse_veth_extra, 0, 0 -Network.Bridge, config_parse_string, 0, offsetof(Settings, network_bridge) +Network.Bridge, config_parse_ifname, 0, offsetof(Settings, network_bridge) Network.Zone, config_parse_network_zone, 0, 0 Network.Port, config_parse_expose_port, 0, 0 diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c index 1141f9964f..83be79a4f5 100644 --- a/src/shared/conf-parser.c +++ b/src/shared/conf-parser.c @@ -37,6 +37,7 @@ #include "path-util.h" #include "process-util.h" #include "signal-util.h" +#include "socket-util.h" #include "string-util.h" #include "strv.h" #include "syslog-util.h" @@ -873,3 +874,40 @@ int config_parse_personality( *personality = p; return 0; } + +int config_parse_ifname( + const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + char **s = data; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + if (isempty(rvalue)) { + *s = mfree(*s); + return 0; + } + + if (!ifname_valid(rvalue)) { + log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not valid or too long, ignoring assignment: %s", rvalue); + return 0; + } + + r = free_and_strdup(s, rvalue); + if (r < 0) + return log_oom(); + + return 0; +} diff --git a/src/shared/conf-parser.h b/src/shared/conf-parser.h index 73fb132413..f6964e3fd4 100644 --- a/src/shared/conf-parser.h +++ b/src/shared/conf-parser.h @@ -125,6 +125,7 @@ int config_parse_log_facility(const char *unit, const char *filename, unsigned l int config_parse_log_level(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_signal(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_personality(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); +int config_parse_ifname(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); #define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \ int function(const char *unit, \ diff --git a/src/shared/firewall-util.c b/src/shared/firewall-util.c index ade2de7727..97865eac4a 100644 --- a/src/shared/firewall-util.c +++ b/src/shared/firewall-util.c @@ -44,6 +44,7 @@ #include "firewall-util.h" #include "in-addr-util.h" #include "macro.h" +#include "socket-util.h" DEFINE_TRIVIAL_CLEANUP_FUNC(struct xtc_handle*, iptc_free); @@ -59,10 +60,9 @@ static int entry_fill_basics( assert(entry); - if (out_interface && strlen(out_interface) >= IFNAMSIZ) + if (out_interface && !ifname_valid(out_interface)) return -EINVAL; - - if (in_interface && strlen(in_interface) >= IFNAMSIZ) + if (in_interface && !ifname_valid(in_interface)) return -EINVAL; entry->ip.proto = protocol; -- cgit v1.2.3-54-g00ecf