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bring back compile-option checking when loading modules, only this time use a string-based storage and comparison mechanism because it is easier to support on other platforms

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@89461 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2007-11-20 19:12:52 +00:00
parent da4933e657
commit 337fb0c37f
3 changed files with 25 additions and 1 deletions
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12
build_tools/make_buildopts_h
View File

@@ -14,4 +14,16 @@ done
if ${GREP} AST_DEVMODE makeopts | ${GREP} -q yes
then
echo "#define AST_DEVMODE 1"
TMP="${TMP} AST_DEVMODE"
fi
case ${OSARCH} in # actually we should check build_os
*BSD|mingw|darwin*)
BUILDSUM=`echo ${TMP} | md5 | cut -c1-32`
;;
*)
BUILDSUM=`echo ${TMP} | md5sum | cut -c1-32`
;;
esac
echo "#define AST_BUILDOPT_SUM \"${BUILDSUM}\""

5
include/asterisk/module.h
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@@ -203,6 +203,7 @@ struct ast_module_info {
const char *key;
unsigned int flags;
const char buildopt_sum[33]; /* The value of AST_BUILDOPT_SUM when this module was compiled */
};
void ast_module_register(const struct ast_module_info *);
@@ -229,7 +230,8 @@ void ast_module_unref(struct ast_module *);
AST_MODULE, \
desc, \
keystr, \
flags_to_set \
flags_to_set, \
AST_BUILDOPT_SUM, \
}; \
static void __attribute__ ((constructor)) __reg_module(void) \
{ \
@@ -259,6 +261,7 @@ const static __attribute__((unused)) struct ast_module_info *ast_module_info;
.flags = flags_to_set, \
.description = desc, \
.key = keystr, \
.buildopt_sum = AST_BUILDOPT_SUM, \
fields \
}; \
static void __attribute__ ((constructor)) __reg_module(void) \

9
main/loader.c
View File

@@ -76,6 +76,8 @@ static unsigned char expected_key[] =
{ 0x87, 0x76, 0x79, 0x35, 0x23, 0xea, 0x3a, 0xd3,
0x25, 0x2a, 0xbb, 0x35, 0x87, 0xe4, 0x22, 0x24 };
static char buildopt_sum[33] = AST_BUILDOPT_SUM;
static unsigned int embedding = 1; /* we always start out by registering embedded modules,
since they are here before we dlopen() any
*/
@@ -613,6 +615,13 @@ static unsigned int inspect_module(const struct ast_module *mod)
return 1;
}
if (!ast_strlen_zero(mod->info->buildopt_sum) &&
strcmp(buildopt_sum, mod->info->buildopt_sum)) {
ast_log(LOG_WARNING, "Module '%s' was not compiled with the same compile-time options as this version of Asterisk.\n", mod->resource);
ast_log(LOG_WARNING, "Module '%s' will not be initialized as it may cause instability.\n", mod->resource);
return 1;
}
return 0;
}