mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
synced 2024-07-21 18:24:49 +00:00
ea8546b622
The only contributors to this code are Red Hat employees who agree
with this license change.
$ git log --pretty=format:'%Cred%h%Creset - %Cgreen(%ai)%Creset [%C(yellow)%an%Creset] %s%C(yellow)%d%Creset' --no-merges -- 'libnm-core/nm-json.?' 'libnm-core/nm-jansson.?'
...
$ git shortlog -s --no-merges -- 'libnm-core/nm-json.?' 'libnm-core/nm-jansson.?'
1 Beniamino Galvani
1 Lubomir Rintel
8 Thomas Haller
Signed-off-by: Beniamino Galvani <bgalvani@redhat.com>
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Thomas Haller <thaller@redhat.com>
111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
// SPDX-License-Identifier: LGPL-2.1+
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/*
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* Copyright (C) 2017, 2018 Red Hat, Inc.
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*/
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#include "nm-default.h"
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#define NM_JANSSON_C
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#include "nm-json.h"
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#include <dlfcn.h>
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void *_nm_jansson_json_object_iter_value;
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void *_nm_jansson_json_object_key_to_iter;
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void *_nm_jansson_json_integer;
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void *_nm_jansson_json_object_del;
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void *_nm_jansson_json_array_get;
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void *_nm_jansson_json_array_size;
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void *_nm_jansson_json_array_append_new;
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void *_nm_jansson_json_string;
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void *_nm_jansson_json_object_iter_next;
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void *_nm_jansson_json_loads;
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void *_nm_jansson_json_dumps;
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void *_nm_jansson_json_object_iter_key;
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void *_nm_jansson_json_object;
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void *_nm_jansson_json_object_get;
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void *_nm_jansson_json_array;
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void *_nm_jansson_json_false;
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void *_nm_jansson_json_delete;
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void *_nm_jansson_json_true;
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void *_nm_jansson_json_object_size;
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void *_nm_jansson_json_object_set_new;
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void *_nm_jansson_json_object_iter;
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void *_nm_jansson_json_integer_value;
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void *_nm_jansson_json_string_value;
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#define TRY_BIND_SYMBOL(symbol) \
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G_STMT_START { \
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void *sym = dlsym (handle, #symbol); \
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if (_nm_jansson_ ## symbol && sym != _nm_jansson_ ## symbol) \
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return FALSE; \
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_nm_jansson_ ## symbol = sym; \
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} G_STMT_END
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static gboolean
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bind_symbols (void *handle)
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{
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TRY_BIND_SYMBOL (json_object_iter_value);
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TRY_BIND_SYMBOL (json_object_key_to_iter);
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TRY_BIND_SYMBOL (json_integer);
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TRY_BIND_SYMBOL (json_object_del);
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TRY_BIND_SYMBOL (json_array_get);
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TRY_BIND_SYMBOL (json_array_size);
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TRY_BIND_SYMBOL (json_array_append_new);
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TRY_BIND_SYMBOL (json_string);
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TRY_BIND_SYMBOL (json_object_iter_next);
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TRY_BIND_SYMBOL (json_loads);
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TRY_BIND_SYMBOL (json_dumps);
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TRY_BIND_SYMBOL (json_object_iter_key);
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TRY_BIND_SYMBOL (json_object);
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TRY_BIND_SYMBOL (json_object_get);
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TRY_BIND_SYMBOL (json_array);
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TRY_BIND_SYMBOL (json_false);
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TRY_BIND_SYMBOL (json_delete);
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TRY_BIND_SYMBOL (json_true);
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TRY_BIND_SYMBOL (json_object_size);
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TRY_BIND_SYMBOL (json_object_set_new);
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TRY_BIND_SYMBOL (json_object_iter);
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TRY_BIND_SYMBOL (json_integer_value);
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TRY_BIND_SYMBOL (json_string_value);
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return TRUE;
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}
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gboolean
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nm_jansson_load (void)
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{
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static enum {
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UNKNOWN,
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AVAILABLE,
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MISSING,
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} state = UNKNOWN;
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void *handle;
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int mode;
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if (G_LIKELY (state != UNKNOWN))
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goto out;
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/* First just resolve the symbols to see if there's a conflict already. */
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if (!bind_symbols (RTLD_DEFAULT))
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goto out;
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mode = RTLD_LAZY | RTLD_LOCAL | RTLD_NODELETE | RTLD_DEEPBIND;
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#if defined (ASAN_BUILD)
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/* Address sanitizer is incompatible with RTLD_DEEPBIND. */
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mode &= ~RTLD_DEEPBIND;
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#endif
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handle = dlopen (JANSSON_SONAME, mode);
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if (!handle)
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goto out;
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/* Now do the actual binding. */
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if (!bind_symbols (handle))
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goto out;
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state = AVAILABLE;
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out:
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return state == AVAILABLE;
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}
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