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authorStef Walter <stef@memberwebs.com>2004-08-27 23:18:28 +0000
committerStef Walter <stef@memberwebs.com>2004-08-27 23:18:28 +0000
commit80bf46c1397a1e6599697688abd6c7ed1c27961d (patch)
treef36d5a4d392692de6f9454ab6c34d2da3ca7c598 /common
parent4a895bd777c7aeb48ea713ca660a4a6b11f6bccc (diff)
Don't allocate context on the stack.
Diffstat (limited to 'common')
-rw-r--r--common/smtppass.c63
-rw-r--r--common/spio.c1
2 files changed, 40 insertions, 24 deletions
diff --git a/common/smtppass.c b/common/smtppass.c
index be9c4ce..e94b9b3 100644
--- a/common/smtppass.c
+++ b/common/smtppass.c
@@ -564,41 +564,55 @@ static void* thread_main(void* arg)
struct sockaddr_any* outaddr;
const char* outname;
char buf[MAXPATHLEN];
- clamsmtp_context_t ctx;
+ clamsmtp_context_t* ctx = NULL;
int processing = 0;
int ret = 0;
+ int fd;
ASSERT(thread);
siginterrupt(SIGINT, 1);
siginterrupt(SIGTERM, 1);
- memset(&ctx, 0, sizeof(ctx));
+ plock();
+ /* Get the client socket */
+ fd = thread->fd;
+ punlock();
- clio_init(&(ctx.server), "SERVER");
- clio_init(&(ctx.client), "CLIENT");
- clio_init(&(ctx.clam), "CLAM ");
+ ctx = (clamsmtp_context_t*)calloc(1, sizeof(clamsmtp_context_t));
+ if(!ctx)
+ {
+ /* Special case. We don't have a context so clean up descriptor */
+ close(fd);
+
+ messagex(NULL, LOG_CRIT, "out of memory");
+ RETURN(-1);
+ }
+
+ memset(ctx, 0, sizeof(*ctx));
+
+ clio_init(&(ctx->server), "SERVER");
+ clio_init(&(ctx->client), "CLIENT");
+ clio_init(&(ctx->clam), "CLAM ");
plock();
/* Assign a unique id to the connection */
- ctx.id = g_unique_id++;
-
- /* Get the client socket */
- ctx.client.fd = thread->fd;
+ ctx->id = g_unique_id++;
punlock();
- ASSERT(ctx.client.fd != -1);
- messagex(&ctx, LOG_DEBUG, "processing %d on thread %x", ctx.client.fd, (int)pthread_self());
+ ctx->client.fd = fd;
+ ASSERT(ctx->client.fd != -1);
+ messagex(ctx, LOG_DEBUG, "processing %d on thread %x", ctx->client.fd, (int)pthread_self());
memset(&addr, 0, sizeof(addr));
SANY_LEN(addr) = sizeof(addr);
/* Get the peer name */
- if(getpeername(ctx.client.fd, &SANY_ADDR(addr), &SANY_LEN(addr)) == -1 ||
+ if(getpeername(ctx->client.fd, &SANY_ADDR(addr), &SANY_LEN(addr)) == -1 ||
sock_any_ntop(&addr, buf, MAXPATHLEN, SANY_OPT_NOPORT) == -1)
- message(&ctx, LOG_WARNING, "couldn't get peer address");
+ message(ctx, LOG_WARNING, "couldn't get peer address");
else
- messagex(&ctx, LOG_INFO, "accepted connection from: %s", buf);
+ messagex(ctx, LOG_INFO, "accepted connection from: %s", buf);
/* Create the server connection address */
@@ -621,28 +635,31 @@ static void* thread_main(void* arg)
/* Connect to the server */
- if(clio_connect(&ctx, &(ctx.server), outaddr, outname) == -1)
+ if(clio_connect(ctx, &(ctx->server), outaddr, outname) == -1)
RETURN(-1);
/* ... and to the AV daemon */
- if(connect_clam(&ctx) == -1)
+ if(connect_clam(ctx) == -1)
RETURN(-1);
/* call the processor */
processing = 1;
- ret = smtp_passthru(&ctx);
+ ret = smtp_passthru(ctx);
cleanup:
- disconnect_clam(&ctx);
+ if(ctx)
+ {
+ disconnect_clam(ctx);
- /* Let the client know about fatal errors */
- if(!processing && ret == -1 && clio_valid(&(ctx.client)))
- clio_write_data(&ctx, &(ctx.client), SMTP_STARTFAILED);
+ /* Let the client know about fatal errors */
+ if(!processing && ret == -1 && clio_valid(&(ctx->client)))
+ clio_write_data(ctx, &(ctx->client), SMTP_STARTFAILED);
- clio_disconnect(&ctx, &(ctx.client));
- clio_disconnect(&ctx, &(ctx.server));
+ clio_disconnect(ctx, &(ctx->client));
+ clio_disconnect(ctx, &(ctx->server));
+ }
/* mark this as done */
plock();
diff --git a/common/spio.c b/common/spio.c
index f2d53cd..cfd4fa7 100644
--- a/common/spio.c
+++ b/common/spio.c
@@ -175,7 +175,6 @@ int clio_select(clamsmtp_context_t* ctx, clio_t** io)
int clio_read_line(clamsmtp_context_t* ctx, clio_t* io, int opts)
{
int l, x;
- int bufused;
char* t;
unsigned char* p;