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ITS#8770 Fix dsaschema memory leaks

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Stopping short of a full rewrite which would be needed to get rid of
static variables, etc.
This commit is contained in:
Ondřej Kuzník 2021-04-08 12:03:24 +01:00 committed by Quanah Gibson-Mount
parent aba73bdb89
commit 0886121233
1 changed files with 31 additions and 31 deletions
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62
contrib/slapd-modules/dsaschema/dsaschema.c
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@ -74,15 +74,12 @@ static int dsaschema_parse_cr(const char *fname, int lineno, char *line, char **
static int dsaschema_read_config(const char *fname, int depth)
{
FILE *fp;
char *line, *savefname, *saveline;
char *line, *savefname, *saveline = NULL;
int savelineno, lineno;
int rc;
if (depth == 0) {
cargv = calloc(ARGS_STEP + 1, sizeof(*cargv));
if (cargv == NULL) {
return 1;
}
cargv = ch_calloc(ARGS_STEP + 1, sizeof(*cargv));
cargv_size = ARGS_STEP + 1;
}
@ -102,13 +99,11 @@ static int dsaschema_read_config(const char *fname, int depth)
continue;
}
saveline = strdup(line);
if (saveline == NULL) {
return 1;
}
saveline = ch_strdup(line);
if (fp_parse_line(lineno, line) != 0) {
return 1;
rc = 1;
break;
}
if (cargc < 1) {
@ -120,7 +115,8 @@ static int dsaschema_read_config(const char *fname, int depth)
if (cargc < 2) {
fprintf(stderr, "%s: line %d: illegal attribute type format\n",
fname, lineno);
return 1;
rc = 1;
break;
} else if (*cargv[1] == '(' /*')'*/) {
char *p;
@ -130,7 +126,7 @@ static int dsaschema_read_config(const char *fname, int depth)
Debug( LDAP_DEBUG_ANY, "dsaschema_read_config: "
"attribute definition invalid at %s:%d\n",
fname, lineno );
return rc;
break;
}
} else {
fprintf(stderr, "%s: line %d: old attribute type format not supported\n",
@ -141,12 +137,13 @@ static int dsaschema_read_config(const char *fname, int depth)
p = strchr(saveline, '(' /*')'*/);
rc = dsaschema_parse_cr(fname, lineno, p, cargv);
if (rc != 0)
return rc;
break;
} else if (strcasecmp(cargv[0], "objectclass") == 0) {
if (cargc < 2) {
fprintf(stderr, "%s: line %d: illegal objectclass format\n",
fname, lineno);
return 1;
rc = 1;
break;
} else if (*cargv[1] == '(' /*')'*/) {
char *p;
@ -156,7 +153,7 @@ static int dsaschema_read_config(const char *fname, int depth)
Debug( LDAP_DEBUG_ANY, "dsaschema_read_config: "
"objectclass definition invalid at %s:%d\n",
fname, lineno );
return rc;
break;
}
} else {
fprintf(stderr, "%s: line %d: object class format not supported\n",
@ -166,30 +163,36 @@ static int dsaschema_read_config(const char *fname, int depth)
if (cargc < 2) {
fprintf(stderr, "%s: line %d: missing file name in \"include <filename>\" line",
fname, lineno);
return 1;
rc = 1;
break;
}
savelineno = lineno;
savefname = strdup(cargv[1]);
if (savefname == NULL) {
return 1;
}
if (dsaschema_read_config(savefname, depth + 1) != 0) {
return 1;
}
free(savefname);
savefname = ch_strdup(cargv[1]);
rc = dsaschema_read_config(savefname, depth + 1);
ch_free(savefname);
lineno = savelineno - 1;
if (rc != 0) {
break;
}
} else {
fprintf(stderr, "%s: line %d: unknown directive \"%s\" (ignored)\n",
fname, lineno, cargv[0]);
}
ch_free(saveline);
saveline = NULL;
}
fclose(fp);
if (depth == 0)
free(cargv);
ch_free(cargv);
return 0;
if (saveline != NULL)
ch_free(saveline);
return rc;
}
int init_module(int argc, char *argv[])
@ -230,11 +233,8 @@ fp_parse_line(
for ( ; token != NULL; token = strtok_quote( NULL, " \t" ) ) {
if ( cargc == cargv_size - 1 ) {
char **tmp;
tmp = realloc( cargv, (cargv_size + ARGS_STEP) *
tmp = ch_realloc( cargv, (cargv_size + ARGS_STEP) *
sizeof(*cargv) );
if ( tmp == NULL ) {
return -1;
}
cargv = tmp;
cargv_size += ARGS_STEP;
}
@ -308,7 +308,7 @@ static size_t lmax, lcur;
size_t len = strlen( buf ); \
while ( lcur + len + 1 > lmax ) { \
lmax += BUFSIZ; \
line = (char *) realloc( line, lmax ); \
line = (char *) ch_realloc( line, lmax ); \
} \
strcpy( line + lcur, buf ); \
lcur += len; \