diff options
Diffstat (limited to 'process.c')
| -rw-r--r-- | process.c | 82 |
1 files changed, 78 insertions, 4 deletions
@@ -26,7 +26,7 @@ other dealings in this Software without prior written authorization from The Open Group. */ -/* $XFree86: xc/programs/xauth/process.c,v 3.23 2003/11/25 03:15:04 dawes Exp $ */ +/* $XFree86: xc/programs/xauth/process.c,v 3.24 2004/01/21 23:49:40 herrb Exp $ */ /* * Author: Jim Fulton, MIT X Consortium @@ -1049,6 +1049,20 @@ extract_entry(char *inputfilename, int lineno, Xauth *auth, char *data) } +static int +eq_auth(Xauth *a, Xauth *b) +{ + return((a->family == b->family && + a->address_length == b->address_length && + a->number_length == b->number_length && + a->name_length == b->name_length && + a->data_length == b->data_length && + memcmp(a->address, b->address, a->address_length) == 0 && + memcmp(a->number, b->number, a->number_length) == 0 && + memcmp(a->name, b->name, a->name_length) == 0 && + memcmp(a->data, b->data, a->data_length) == 0) ? 1 : 0); +} + static int match_auth_dpy(register Xauth *a, register Xauth *b) { @@ -1134,6 +1148,62 @@ merge_entries(AuthList **firstp, AuthList *second, int *nnewp, int *nreplp) } +static Xauth * +copyAuth(Xauth *auth) +{ + Xauth *a; + + a = (Xauth *)malloc(sizeof(Xauth)); + if (a == NULL) { + return NULL; + } + memset(a, 0, sizeof(Xauth)); + a->family = auth->family; + if (auth->address_length != 0) { + a->address = malloc(auth->address_length); + if (a->address == NULL) { + free(a); + return NULL; + } + memcpy(a->address, auth->address, auth->address_length); + a->address_length = auth->address_length; + } + if (auth->number_length != 0) { + a->number = malloc(auth->number_length); + if (a->number == NULL) { + free(a->address); + free(a); + return NULL; + } + memcpy(a->number, auth->number, auth->number_length); + a->number_length = auth->number_length; + } + if (auth->name_length != 0) { + a->name = malloc(auth->name_length); + if (a->name == NULL) { + free(a->address); + free(a->number); + free(a); + return NULL; + } + memcpy(a->name, auth->name, auth->name_length); + a->name_length = auth->name_length; + } + if (auth->data_length != 0) { + a->data = malloc(auth->data_length); + if (a->data == NULL) { + free(a->address); + free(a->number); + free(a->name); + free(a); + return NULL; + } + memcpy(a->data, auth->data, auth->data_length); + a->data_length = auth->data_length; + } + return a; +} + typedef int (*YesNoFunc)(char *, int, Xauth *, char *); static int @@ -1144,6 +1214,7 @@ iterdpy (char *inputfilename, int lineno, int start, int i; int status; int errors = 0; + Xauth *tmp_auth; AuthList *proto_head, *proto; AuthList *l, *next; @@ -1162,17 +1233,20 @@ iterdpy (char *inputfilename, int lineno, int start, for (l = xauth_head; l; l = next) { Bool matched = False; + /* l may be freed by remove_entry below. so save its contents */ next = l->next; + tmp_auth = copyAuth(l->auth); for (proto = proto_head; proto; proto = proto->next) { - if (match_auth_dpy (proto->auth, l->auth)) { + if (match_auth_dpy (proto->auth, tmp_auth)) { matched = True; if (yfunc) { status = (*yfunc) (inputfilename, lineno, - l->auth, data); + tmp_auth, data); if (status < 0) break; } } } + XauDisposeAuth(tmp_auth); if (matched == False) { if (nfunc) { status = (*nfunc) (inputfilename, lineno, @@ -1208,7 +1282,7 @@ remove_entry(char *inputfilename, int lineno, Xauth *auth, char *data) /* * unlink the auth we were asked to */ - while ((list = *listp)->auth != auth) + while (!eq_auth((list = *listp)->auth, auth)) listp = &list->next; *listp = list->next; XauDisposeAuth (list->auth); /* free the auth */ |