Conversion to file coding style
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ksym_mod.c
94
ksym_mod.c
@ -2,6 +2,7 @@
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ksym_mod.c - functions for building symbol lookup tables for klogd
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Copyright (c) 1995, 1996 Dr. G.W. Wettstein <greg@wind.rmcc.com>
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Copyright (c) 1996 Enjellic Systems Development
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Copyright (c) 1998-2000, 2004,7 Martin Schulze <joey@infodrom.org>
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This file is part of the sysklogd package, a kernel and system log daemon.
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@ -150,7 +151,7 @@ struct Module
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};
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static int num_modules = 0;
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struct Module *sym_array_modules = NULL;
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struct Module *sym_array_modules = (struct Module *) 0;
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static int have_modules = 0;
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@ -193,52 +194,48 @@ extern int InitMsyms()
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auto char **mod_table,
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**p;
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char *modbuf = NULL,
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*newbuf;
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char *modbuf = NULL,
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*newbuf;
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int modsize = 32,
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result;
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int modsize = 32,
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result;
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/* Initialize the kernel module symbol table. */
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FreeModules();
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/*
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* New style symbol table parser. This uses the newer query_module
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* function rather than the old obsolete hack of stepping thru
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* /dev/kmem.
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*/
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/*
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* First, we query for the list of loaded modules. We may
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* have to grow our buffer in size.
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*/
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do {
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modsize+=modsize;
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newbuf=realloc(modbuf, modsize);
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modsize += modsize;
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newbuf = realloc(modbuf, modsize);
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if (newbuf==NULL) {
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/* Well, that sucks. */
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if ( newbuf == NULL )
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{
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Syslog(LOG_ERR, "Error loading kernel symbols " \
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"- %s\n", strerror(errno));
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if (modbuf!=NULL) free(modbuf);
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if ( modbuf != NULL )
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free(modbuf);
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return(0);
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}
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modbuf=newbuf;
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modbuf = newbuf;
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result=query_module(NULL, QM_MODULES, modbuf, modsize, &rtn);
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result = query_module(NULL, QM_MODULES, modbuf, modsize, &rtn);
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if (result<0 && errno!=ENOSPC) {
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if ( result < 0 && errno != ENOSPC )
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{
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Syslog(LOG_ERR, "Error querying loaded modules " \
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"- %s\n", strerror(errno));
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free(modbuf);
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return(0);
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}
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} while (result<0);
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} while ( result < 0 );
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if ( rtn <= 0 ) {
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/* No modules??? */
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if ( rtn <= 0 )
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{
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Syslog(LOG_INFO, "No module symbols loaded - "
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"modules disabled?\n");
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free(modbuf);
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@ -271,11 +268,11 @@ extern int InitMsyms()
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* Build a symbol table compatible with the other one used by
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* klogd.
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*/
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newbuf=modbuf;
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for (tmp=rtn-1; tmp>=0; tmp--)
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newbuf = modbuf;
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for (tmp=0; tmp < rtn; tmp++)
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{
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mod_table[tmp]=newbuf;
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newbuf+=(strlen(newbuf)+1);
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mod_table[tmp] = newbuf;
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newbuf += strlen(newbuf)+1;
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if ( !AddModule(mod_table[tmp]) )
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{
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Syslog(LOG_WARNING, "Error adding kernel module table "
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@ -289,7 +286,7 @@ extern int InitMsyms()
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have_modules = 1;
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/* Sort the symbol tables in each module. */
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for (rtn = tmp= 0; tmp < num_modules; ++tmp)
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for (rtn = tmp = 0; tmp < num_modules; ++tmp)
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{
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rtn += sym_array_modules[tmp].num_syms;
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if ( sym_array_modules[tmp].num_syms < 2 )
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@ -352,8 +349,9 @@ static void FreeModules()
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/* Check to see if the module symbol tables need to be cleared. */
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have_modules = 0;
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if (sym_array_modules != NULL) {
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for (nmods= 0; nmods < num_modules; ++nmods)
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if ( sym_array_modules != NULL )
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{
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for (nmods = 0; nmods < num_modules; ++nmods)
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{
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mp = &sym_array_modules[nmods];
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if ( mp->num_syms == 0 )
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@ -394,7 +392,7 @@ static int AddModule(symbol)
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size_t rtn;
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size_t i;
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const char *cbuf;
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int symsize=128;
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int symsize = 128;
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int result;
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struct module_symbol *symbuf=NULL,
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*newbuf;
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@ -409,8 +407,8 @@ static int AddModule(symbol)
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/* We already have space for the module. */
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mp = &sym_array_modules[num_modules];
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if (query_module(symbol, QM_INFO, &sym_array_modules[num_modules].module,
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sizeof(struct module), &rtn)<0)
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if ( query_module(symbol, QM_INFO, &sym_array_modules[num_modules].module,
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sizeof(struct module), &rtn) < 0 )
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{
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Syslog(LOG_WARNING, "Error reading module info for %s.\n",
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symbol);
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@ -431,40 +429,42 @@ static int AddModule(symbol)
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* have to grow our buffer in size.
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*/
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do {
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symsize+=symsize;
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newbuf=realloc(symbuf, symsize);
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symsize += symsize;
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newbuf = realloc(symbuf, symsize);
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if (newbuf==NULL) {
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/* Well, that sucks. */
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if ( newbuf == NULL )
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{
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Syslog(LOG_ERR, "Error loading kernel symbols " \
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"- %s\n", strerror(errno));
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if (symbuf!=NULL) free(symbuf);
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if ( symbuf != NULL )
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free(symbuf);
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return(0);
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}
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symbuf=newbuf;
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symbuf = newbuf;
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result=query_module(symbol, QM_SYMBOLS, symbuf, symsize, &rtn);
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result = query_module(symbol, QM_SYMBOLS, symbuf, symsize, &rtn);
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if (result<0 && errno!=ENOSPC) {
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if ( result < 0 && errno != ENOSPC )
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{
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Syslog(LOG_ERR, "Error querying symbol list for %s " \
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"- %s\n", symbol, strerror(errno));
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free(symbuf);
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return(0);
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}
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} while (result<0);
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} while ( result < 0 );
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if ( rtn < 0 ) {
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/* No symbols??? */
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if ( rtn < 0 )
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{
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Syslog(LOG_INFO, "No module symbols loaded - unknown error.\n");
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free(symbuf);
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return(0);
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}
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cbuf=(char *)symbuf;
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cbuf = (char *)symbuf;
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for (i=0; i<rtn; i++) {
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if (num_modules > 0)
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for (i=0; i < rtn; i++) {
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if ( num_modules > 0 )
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mp = &sym_array_modules[num_modules - 1];
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else
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mp = &sym_array_modules[0];
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@ -576,7 +576,7 @@ extern char * LookupModuleSymbol(value, sym)
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if ( num_modules == 0 )
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return((char *) 0);
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for(nmod= 0; nmod < num_modules; ++nmod)
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for (nmod = 0; nmod < num_modules; ++nmod)
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{
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mp = &sym_array_modules[nmod];
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