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- Add svn diff from upstream (r67-r74)

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- Add patch for GNA bug #16239
    (Segfaults on reset connection due to double-freed memory)

Reported by:	Anton Yuzhaninov <citrin@citrin.ru>
This commit is contained in:
Martin Matuska 2010-11-29 15:46:11 +00:00
parent 6643223069
commit 7be8397b18
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=265393
3 changed files with 627 additions and 0 deletions
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1
net-im/mu-conference/Makefile
View file

@ -6,6 +6,7 @@
PORTNAME= mu-conference
PORTVERSION= 0.8
PORTREVISION= 1
CATEGORIES= net-im
MASTER_SITES= http://download.gna.org/mu-conference/
DISTNAME= ${PORTNAME}_${PORTVERSION}

152
net-im/mu-conference/files/patch-bug-16239 Normal file
View file

@ -0,0 +1,152 @@
--- src/jcomp/jcr_main_stream_error.c.orig 2010-11-25 19:20:57.000000000 +0300
+++ src/jcomp/jcr_main_stream_error.c 2010-11-25 19:22:05.000000000 +0300
@@ -60,7 +60,6 @@ void jcr_main_close_stream(void) {
g_source_remove(jcr->gmain_watch_source);
g_io_channel_shutdown(jcr->gio, TRUE, NULL);
g_io_channel_unref(jcr->gio);
- g_io_channel_unref(jcr->gio);
close(jcr->fd);
--- src/jcomp/jcr_deliver.c.orig 2010-11-26 16:16:52.000000000 +0300
+++ src/jcomp/jcr_deliver.c 2010-11-26 16:21:34.000000000 +0300
@@ -33,7 +33,7 @@ void deliver(dpacket d, void *a) {
sleep(1);
}
- log_debug(JDBG, "queued %d bytes : >>> %s <<<", strlen(xmlnode2str(d->x)), xmlnode2str(d->x));
+ log_debug(JDBG, "queued %lu bytes : >>> %s <<<", strlen(xmlnode2str(d->x)), xmlnode2str(d->x));
g_async_queue_push(jcr->dqueue, d);
}
@@ -90,7 +90,7 @@ void jcr_queue_deliver(void *a) {
log_warn(JDBG, "Send packet failed, dropping packet");
}
- log_debug(JDBG, "wrote %d packets of %d bytes", pkts, bytes);
+ log_debug(JDBG, "wrote %d packets of %lu bytes", pkts, bytes);
// fprintf(stderr, "wrote %d packets of %d bytes\n", pkts, bytes);
if (left==0){
//queue is empty, flushing the socket
@@ -99,7 +99,7 @@ void jcr_queue_deliver(void *a) {
}
}
log_warn(JDBG, "packet delivery thread exiting.");
- log_warn(JDBG, " Last DvryQ Buffer='%.*s'", buffer->len, buffer->str);
+ log_warn(JDBG, " Last DvryQ Buffer='%.*s'", (int)buffer->len, buffer->str);
g_string_free(buffer, TRUE);
}
--- src/jcomp/jcr_log.c.orig 2010-11-26 14:40:12.000000000 +0300
+++ src/jcomp/jcr_log.c 2010-11-26 14:41:46.000000000 +0300
@@ -79,8 +79,8 @@ void log_alert(char *zone, const char *f
g_static_mutex_lock(&_jcr_log_lock);
va_start(ap, fmt);
vsnprintf(logmsg, 512, fmt, ap);
- g_log(G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, "%s: %s", zone, logmsg);
va_end(ap);
+ g_log(G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, "%s: %s", zone, logmsg);
g_static_mutex_unlock(&_jcr_log_lock);
}
@@ -92,8 +92,8 @@ void log_error(char *zone, const char *f
g_static_mutex_lock(&_jcr_log_lock);
va_start(ap, fmt);
vsnprintf(logmsg, 512, fmt, ap);
- g_log(G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, "%s: %s", zone, logmsg);
va_end(ap);
+ g_log(G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, "%s: %s", zone, logmsg);
g_static_mutex_unlock(&_jcr_log_lock);
}
@@ -105,8 +105,8 @@ void log_notice(char *zone, const char *
g_static_mutex_lock(&_jcr_log_lock);
va_start(ap, fmt);
vsnprintf(logmsg, 512, fmt, ap);
- g_log(G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, "%s: %s", zone, logmsg);
va_end(ap);
+ g_log(G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, "%s: %s", zone, logmsg);
g_static_mutex_unlock(&_jcr_log_lock);
}
@@ -118,8 +118,8 @@ void log_warn(char *zone, const char *fm
g_static_mutex_lock(&_jcr_log_lock);
va_start(ap, fmt);
vsnprintf(logmsg, 512, fmt, ap);
- g_log(G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, "%s: %s", zone, logmsg);
va_end(ap);
+ g_log(G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, "%s: %s", zone, logmsg);
g_static_mutex_unlock(&_jcr_log_lock);
}
@@ -131,7 +131,7 @@ void log_debug(char *zone, const char *f
g_static_mutex_lock(&_jcr_log_lock);
va_start(ap, fmt);
vsnprintf(logmsg, 512, fmt, ap);
- g_log(G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "%s: %s", zone, logmsg);
va_end(ap);
+ g_log(G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "%s: %s", zone, logmsg);
g_static_mutex_unlock(&_jcr_log_lock);
}
--- src/jcomp/jcr_elements.c.orig 2007-11-10 13:37:38.000000000 +0300
+++ src/jcomp/jcr_elements.c 2010-11-26 16:25:23.000000000 +0300
@@ -172,7 +172,7 @@ gboolean jcr_read_data(GIOChannel *src,
if (rc != G_IO_STATUS_NORMAL) {
if (gerr != NULL) {
log_warn(JDBG, "Main Channel Error: rc=%d, %d '%s' '%s'", rc,
- gerr->code, gerr->domain, gerr->message);
+ gerr->code, g_quark_to_string(gerr->domain), gerr->message);
g_error_free(gerr);
} else {
log_warn(JDBG, "Main Channel Error: rc=%d", rc);
@@ -186,7 +186,7 @@ gboolean jcr_read_data(GIOChannel *src,
if (XML_Parse(jcr->parser, jcr->recv_buffer, bytes_read, 0) == 0) {
log_warn(JDBG, "XML Parsing Error: '%s'", (char *)XML_ErrorString(XML_GetErrorCode(jcr->parser)));
- log_warn(JDBG, " Last Rcvd Buffer='%.*s'", bytes_read, jcr->recv_buffer);
+ log_warn(JDBG, " Last Rcvd Buffer='%.*s'", (int)bytes_read, jcr->recv_buffer);
jcr_main_close_stream();
return FALSE;
}
--- ./src/jcomp/jcr_base_connect.c.orig 2010-11-26 16:40:01.000000000 +0300
+++ ./src/jcomp/jcr_base_connect.c 2010-11-26 16:40:15.000000000 +0300
@@ -84,7 +84,7 @@ void jcr_send_start_stream(void) {
if (rc != G_IO_STATUS_NORMAL) {
log_warn(JDBG, "Opening XML stream failed, rc=%d", rc);
} else {
- log_debug(JDBG, "Opening XML stream: sent %d bytes", bytes);
+ log_debug(JDBG, "Opening XML stream: sent %lu bytes", bytes);
}
}
--- ./src/conference.c.orig 2010-11-26 16:41:33.000000000 +0300
+++ ./src/conference.c 2010-11-26 16:42:53.000000000 +0300
@@ -1079,7 +1079,7 @@ void conference(instance i, xmlnode x)
tp = pool_new();
/* Allocate space for cni struct and link to instance */
- log_debug(NAME, "[%s] Malloc: _cni=%d", FZONE, sizeof(_cni));
+ log_debug(NAME, "[%s] Malloc: _cni=%lu", FZONE, sizeof(_cni));
master = pmalloco(i->p, sizeof(_cni));
master->i = i;
--- ./src/conference_room.c.orig 2010-11-26 16:44:18.000000000 +0300
+++ ./src/conference_room.c 2010-11-26 16:44:37.000000000 +0300
@@ -1426,7 +1426,7 @@ cnr con_room_new(cni master, jid roomid,
/* Create pool for room struct */
p = pool_new();
room = pmalloco(p, sizeof(_cnr));
- log_debug(NAME, "[%s] Malloc: _cnr = %d", FZONE, sizeof(_cnr));
+ log_debug(NAME, "[%s] Malloc: _cnr = %lu", FZONE, sizeof(_cnr));
room->p = p;
room->master = master;
@@ -1448,7 +1448,7 @@ cnr con_room_new(cni master, jid roomid,
/* Initialise room history */
room->history = pmalloco(p, sizeof(_cnh) * master->history); /* make array of xmlnodes */
- log_debug(NAME, "[%s] Malloc: history = %d", FZONE, sizeof(_cnh) * master->history);
+ log_debug(NAME, "[%s] Malloc: history = %lu", FZONE, sizeof(_cnh) * master->history);
/* Room time */
room->start = now;

474
net-im/mu-conference/files/patch-svn-67-74 Normal file
View file

@ -0,0 +1,474 @@
Index: include/lib.h
===================================================================
--- include/lib.h (revision 67)
+++ include/lib.h (working copy)
@@ -1,6 +1,7 @@
#include <string.h>
#include <stdlib.h>
+#include <stdint.h>
#include <sys/types.h>
#include <stdio.h>
#include <setjmp.h>
@@ -101,6 +102,7 @@
char *j_strdup(const char *str); /* provides NULL safe strdup wrapper */
char *j_strcat(char *dest, char *txt); /* strcpy() clone */
int j_strcmp(const char *a, const char *b); /* provides NULL safe strcmp wrapper */
+int j_strcasecmp(const char *a, const char *b); /* provides NULL safe strcasecmp wrapper */
int j_strncmp(const char *a, const char *b, int i); /* provides NULL safe strncmp wrapper */
int j_strncasecmp(const char *a, const char *b, int i); /* provides NULL safe strncasecmp wrapper */
int j_strlen(const char *a); /* provides NULL safe strlen wrapper */
@@ -299,10 +301,10 @@
typedef struct {
- unsigned long H[5];
- unsigned long W[80];
+ uint32_t H[5];
+ uint32_t W[80];
int lenW;
- unsigned long sizeHi,sizeLo;
+ uint32_t sizeHi,sizeLo;
} j_SHA_CTX;
Index: include/conference.h
===================================================================
--- include/conference.h (revision 67)
+++ include/conference.h (working copy)
@@ -258,6 +258,7 @@
/* Adds extended presence info to a presence packet */
void add_status_code(xmlnode presence, char *status); /* add a muc status code to a presence stanza */
void add_room_status_codes(xmlnode presence, cnr room); /* add room specific status codes (logging, anonymous, ...) */
+int check_affiliation(GHashTable * ght, jid user, char * affiliation_name); /* Check if user as a particular affiliation */
int is_sadmin(cni master, jid user); /* Check if user is server admin */
int is_owner(cnr room, jid user); /* Check if user is room owner */
int is_admin(cnr room, jid user); /* Check if user is room admin */
Index: src/utils.c
===================================================================
--- src/utils.c (revision 67)
+++ src/utils.c (working copy)
@@ -136,6 +136,45 @@
}
}
+/* Generic function to check if an user as a particular affiliation */
+int check_affiliation(GHashTable * ght, jid user, char * affiliation_name)
+{
+ char ujid[3072];
+
+ snprintf(ujid, sizeof(ujid), "%s@%s", user->user, user->server);
+
+ if(g_hash_table_lookup(ght, ujid) != NULL )
+ {
+ log_debug(NAME, "[%s] Is %s? >%s< - Yes (case 1)", FZONE, affiliation_name, jid_full(user));
+ return 1;
+ }
+
+ if(g_hash_table_lookup(ght, user->server) != NULL )
+ {
+ log_debug(NAME, "[%s] Is %s? >%s< - Yes (case 2)", FZONE, affiliation_name, jid_full(user));
+ return 1;
+ }
+
+ snprintf(ujid, sizeof(ujid), "%s@%s/%s", user->user, user->server, user->resource);
+
+ if(g_hash_table_lookup(ght, ujid) != NULL )
+ {
+ log_debug(NAME, "[%s] Is %s? >%s< - Yes (case 3)", FZONE, affiliation_name, jid_full(user));
+ return 1;
+ }
+
+ snprintf(ujid, sizeof(ujid), "%s/%s", user->server, user->resource);
+
+ if(g_hash_table_lookup(ght, ujid) != NULL )
+ {
+ log_debug(NAME, "[%s] Is %s? >%s< - Yes (case 4)", FZONE, affiliation_name, jid_full(user));
+ return 1;
+ }
+
+ log_debug(NAME, "[%s] Is %s? >%s< - No", FZONE, affiliation_name, jid_full(user));
+ return 0;
+}
+
/* Is the user a Service Admin? */
int is_sadmin(cni master, jid user)
{
@@ -159,62 +198,46 @@
/* Is the user an owner for that room */
int is_owner(cnr room, jid user)
{
- char ujid[2048];
- char cjid[2048];
-
if(room == NULL || user == NULL)
{
log_warn(NAME, "[%s] ERR: Missing variable in is_owner", FZONE);
return 0;
}
- snprintf(ujid, sizeof(ujid), "%s@%s", user->user, user->server);
- if(room->creator)
- {
- snprintf(cjid, sizeof(cjid), "%s@%s", room->creator->user, room->creator->server);
- }
- else
- {
- snprintf(cjid, sizeof(cjid), "@");
- }
-
log_debug(NAME, "[%s] Is Owner? >%s<", FZONE, jid_full(user));
/* Server admin can override */
if(is_sadmin(room->master, user))
+ {
+ log_debug(NAME, "[%s] Is Owner? >%s< - Yes (service admin)", FZONE, jid_full(user));
return 2;
- else if(j_strcmp(cjid, ujid) == 0)
+ }
+
+ if(room->creator && j_strcmp(user->user, room->creator->user) == 0 && j_strcmp(user->server, room->creator->server) == 0)
+ {
+ log_debug(NAME, "[%s] Is Owner? >%s< - Yes (creator)", FZONE, jid_full(user));
return 1;
- else if(g_hash_table_lookup(room->owner, ujid) != NULL )
- return 1;
- else
- return 0;
+ }
+ return check_affiliation(room->owner, user, "Owner");
}
/* Is the user in the admin affiliation list for that room */
int is_admin(cnr room, jid user)
{
- char ujid[2048];
-
if(room == NULL || user == NULL)
{
log_warn(NAME, "[%s] ERR: Missing variable in is_admin", FZONE);
return 0;
}
- snprintf(ujid, sizeof(ujid), "%s@%s", user->user, user->server);
- log_debug(NAME, "[%s] Is Admin? >%s<", FZONE, jid_full(user));
-
if(is_owner(room, user))
+ {
+ log_debug(NAME, "[%s] Is Admin? >%s< - Yes (owner)", FZONE, jid_full(user));
return 2;
+ }
- if(g_hash_table_lookup(room->admin, ujid) != NULL )
- return 1;
- else if(g_hash_table_lookup(room->admin, user->server) != NULL )
- return 1;
- else
- return 0;
+ return check_affiliation(room->admin, user, "Admin");
}
/* Is the user in the moderator role list for that room */
@@ -271,16 +294,12 @@
/* Is the user in the member affiliation list for that room */
int is_member(cnr room, jid user)
{
- char ujid[2048];
-
if(room == NULL || user == NULL)
{
log_warn(NAME, "[%s] ERR: Missing variable in is_member", FZONE);
return 0;
}
- snprintf(ujid, sizeof(ujid), "%s@%s", user->user, user->server);
-
/* Owner is automatically a member */
if(is_owner(room, user))
{
@@ -295,42 +314,19 @@
return 1;
}
- if(g_hash_table_lookup(room->member, ujid) != NULL )
- {
- log_debug(NAME, "[%s] Is Member? >%s< - Yes (case 1)", FZONE, jid_full(user));
- return 1;
- }
- else if(g_hash_table_lookup(room->member, user->server) != NULL )
- {
- log_debug(NAME, "[%s] Is Member? >%s< - Yes (case 2)", FZONE, jid_full(user));
- return 1;
- }
- else
- {
- log_debug(NAME, "[%s] Is Member? >%s< - No", FZONE, jid_full(user));
- return 0;
- }
+ return check_affiliation(room->member, user, "Member");
}
/* Is the user in the outcast affiliation list for that room */
int is_outcast(cnr room, jid user)
{
- char ujid[2048];
-
if(room == NULL || user == NULL)
{
log_warn(NAME, "[%s] ERR: Missing variable in is_outcast", FZONE);
return 0;
}
- snprintf(ujid, sizeof(ujid), "%s@%s", user->user, user->server);
-
- if(g_hash_table_lookup(room->outcast, ujid) != NULL )
- return 1;
- else if(g_hash_table_lookup(room->outcast, user->server) != NULL )
- return 1;
- else
- return 0;
+ return check_affiliation(room->outcast, user, "Outcast");
}
/* Only return 1 if visitor */
Index: src/conference_room.c
===================================================================
--- src/conference_room.c (revision 67)
+++ src/conference_room.c (working copy)
@@ -1018,7 +1018,7 @@
if( nick == NULL)
{
- log_debug(NAME, "[%s] No receipient, returning error", FZONE);
+ log_debug(NAME, "[%s] No recipient, returning error", FZONE);
jutil_error(jp->x,TERROR_BAD);
deliver(dpacket_new(jp->x),NULL);
@@ -1031,6 +1031,15 @@
{
id = jid_new(xmlnode_pool(item), nick);
+ if (id == NULL)
+ {
+ log_debug(NAME, "[%s] Bad recipient, returning error", FZONE);
+ jutil_error(jp->x,TERROR_BAD);
+ deliver(dpacket_new(jp->x),NULL);
+
+ xmlnode_free(item);
+ return;
+ }
key = j_strdup(jid_full(jid_user(jid_fix(id))));
g_hash_table_insert(room->member, key, (void*)item);
}
@@ -1498,7 +1507,7 @@
room->creator = jid_new(room->p, jid_full(jid_user(admin->realid)));
- add_affiliate(room->owner, admin->realid, NULL);
+ add_affiliate(room->owner, jid_user(admin->realid), NULL);
log_debug(NAME, "[%s] Added new admin: %s to room %s", FZONE, jid_full(jid_fix(owner)), jid_full(room->id));
}
Index: src/roles.c
===================================================================
--- src/roles.c (revision 67)
+++ src/roles.c (working copy)
@@ -73,14 +73,37 @@
xmlnode old;
xmlnode store;
xmlnode node;
- char ujid[2048];
+ char ujid[3072];
if(userid == NULL)
{
return -1;
}
- snprintf(ujid, sizeof(ujid), "%s@%s", userid->user, userid->server);
+
+ if(userid->user == NULL)
+ {
+ if(userid->resource == NULL)
+ {
+ snprintf(ujid, sizeof(ujid), "%s", userid->server);
+ }
+ else
+ {
+ snprintf(ujid, sizeof(ujid), "%s/%s", userid->server, userid->resource);
+ }
+ }
+ else
+ {
+ if(userid->resource == NULL)
+ {
+ snprintf(ujid, sizeof(ujid), "%s@%s", userid->user, userid->server);
+ }
+ else
+ {
+ snprintf(ujid, sizeof(ujid), "%s@%s/%s", userid->user, userid->server, userid->resource);
+
+ }
+ }
old = g_hash_table_lookup(hash, ujid);
/* User not previously registered. Set up */
@@ -121,18 +144,42 @@
xmlnode old;
xmlnode store;
xmlnode node;
- char ujid[2048];
+ char ujid[3072];
if(userid == NULL)
{
return -1;
}
- snprintf(ujid, sizeof(ujid), "%s@%s", userid->user, userid->server);
+ if(userid->user == NULL)
+ {
+ if(userid->resource == NULL)
+ {
+ snprintf(ujid, sizeof(ujid), "%s", userid->server);
+ }
+ else
+ {
+ snprintf(ujid, sizeof(ujid), "%s/%s", userid->server, userid->resource);
+ }
+ }
+ else
+ {
+ if(userid->resource == NULL)
+ {
+ snprintf(ujid, sizeof(ujid), "%s@%s", userid->user, userid->server);
+ }
+ else
+ {
+ snprintf(ujid, sizeof(ujid), "%s@%s/%s", userid->user, userid->server, userid->resource);
+
+ }
+ }
old = g_hash_table_lookup(hash, ujid);
if(old == NULL)
+ {
return 1;
+ }
store = xmlnode_dup(old);
@@ -158,14 +205,36 @@
xmlnode store;
xmlnode current;
char *userjid;
- char ujid[2048];
+ char ujid[3072];
if(userid == NULL)
{
return;
}
- snprintf(ujid, sizeof(ujid), "%s@%s", userid->user, userid->server);
+ if(userid->user == NULL)
+ {
+ if(userid->resource == NULL)
+ {
+ snprintf(ujid, sizeof(ujid), "%s", userid->server);
+ }
+ else
+ {
+ snprintf(ujid, sizeof(ujid), "%s/%s", userid->server, userid->resource);
+ }
+ }
+ else
+ {
+ if(userid->resource == NULL)
+ {
+ snprintf(ujid, sizeof(ujid), "%s@%s", userid->user, userid->server);
+ }
+ else
+ {
+ snprintf(ujid, sizeof(ujid), "%s@%s/%s", userid->user, userid->server, userid->resource);
+
+ }
+ }
store = g_hash_table_lookup(hash, ujid);
if(store == NULL)
Index: src/conference.c
===================================================================
--- src/conference.c (revision 67)
+++ src/conference.c (working copy)
@@ -538,6 +538,15 @@
xmlnode_hide_attrib(jp->x, "type");
}
+ // clean the packet from any x muc#user tag
+ for( node = xmlnode_get_firstchild(jp->x); node != NULL; node = xmlnode_get_nextsibling(node)) {
+ if (xmlnode_get_name(node)==NULL || strcmp("x",xmlnode_get_name(node))!=0) continue; // check if the node is a "x" node
+ if(NSCHECK(node, NS_MUC_USER))
+ {
+ xmlnode_hide(node);
+ }
+ }
+
priority = jutil_priority(jp->x);
}
@@ -578,7 +587,7 @@
}
/* Don't allow user if locknicks is set and resource != JID user */
- if ( ((master->locknicks || room->locknicks) && (j_strcmp(jp->to->resource, jp->from->user) != 0)) && !is_sadmin(master, jp->from) ) {
+ if ( ((master->locknicks || room->locknicks) && (j_strcasecmp(jp->to->resource, jp->from->user) != 0)) && !is_sadmin(master, jp->from) ) {
log_debug(NAME, "[%s] Nicknames locked - Requested nick %s doesn't match required username %s",
FZONE, jp->to->resource, jp->from->user);
Index: src/jabberd/str.c
===================================================================
--- src/jabberd/str.c (revision 67)
+++ src/jabberd/str.c (working copy)
@@ -65,11 +65,15 @@
if(a == NULL || b == NULL)
return -1;
- while(*a == *b && *a != '\0' && *b != '\0'){ a++; b++; }
+ return strcmp(a, b);
+}
- if(*a == *b) return 0;
+int j_strcasecmp(const char *a, const char *b)
+{
+ if(a == NULL || b == NULL)
+ return -1;
- return -1;
+ return strcasecmp(a, b);
}
int j_strncmp(const char *a, const char *b, int i)
Index: src/jabberd/sha.c
===================================================================
--- src/jabberd/sha.c (revision 67)
+++ src/jabberd/sha.c (working copy)
@@ -50,7 +50,7 @@
*/
for (i = 0; i < len; i++) {
ctx->W[ctx->lenW / 4] <<= 8;
- ctx->W[ctx->lenW / 4] |= (unsigned long)dataIn[i];
+ ctx->W[ctx->lenW / 4] |= (uint32_t)dataIn[i];
if ((++ctx->lenW) % 64 == 0) {
shaHashBlock(ctx);
ctx->lenW = 0;
@@ -109,7 +109,7 @@
static void shaHashBlock(j_SHA_CTX *ctx) {
int t;
- unsigned long A,B,C,D,E,TEMP;
+ uint32_t A,B,C,D,E,TEMP;
for (t = 16; t <= 79; t++)
ctx->W[t] =