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TLS1.2 and command execution

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This commit is contained in:
Lorenzo Torres 2024-08-20 04:57:58 +02:00
parent bc96196ffd
commit 33bb5b8775
10 changed files with 459 additions and 19 deletions
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36
imap.h
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@ -31,11 +31,22 @@
#include <stdint.h>
#include <stddef.h>
#include <netinet/in.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#define BACKLOG 4
#define IMAP_SUCCESS 0x0
#define IMAP_FAIL 0x1
#define IMAP_LOGOUT 0x2
#define IMAP_STARTTLS 0x3
#define IMAP_STATE_NO_AUTH 0x0
#define IMAP_STATE_AUTH 0x1
#define IMAP_STATE_SELECTED 0x2
typedef struct _client_list {
int32_t socket;
int32_t socket, fd;
SSL *ssl;
struct _client_list *next;
struct _client_list *prev;
} client_list;
@ -45,8 +56,17 @@ typedef struct imap {
int32_t socket;
client_list *clients;
struct sockaddr_in addr;
uint8_t state, ssl;
SSL_CTX *ssl_ctx;
} imap_t;
typedef struct {
char tag[4];
uint8_t id;
size_t p_count;
char **params;
} imap_cmd;
/* Create a new imap_t instance and initialize the server. */
uint8_t imap_init(uint8_t daemon, imap_t *instance);
/* Start the IMAP server. */
@ -54,11 +74,19 @@ void imap_start(imap_t *instance);
/* Close all connections and free the allocated memory. */
void imap_close(imap_t *instance);
/* Add client to client list */
client_list *imap_add_client(client_list *list, int sock);
client_list *imap_add_client(imap_t *instance, client_list *list, int sock);
/* Close connection with client */
client_list *imap_remove_client(client_list *list, client_list *node);
client_list *imap_remove_sock(client_list *list, int sock);
client_list *imap_remove_client(imap_t *instance, client_list *list, client_list *node);
client_list *imap_remove_sock(imap_t *instance, client_list *list, int sock);
/* Get the higher file descriptor in the client list */
int imap_get_max_fd(client_list *list, int master);
imap_cmd imap_parse_cmd(char *s);
uint8_t imap_match_cmd(char *cmd, size_t len);
void imap_create_ssl_ctx(imap_t *imap);
void imap_starttls(imap_t *imap, client_list *list);
int imap_read(client_list *node, char *buf, size_t len, uint8_t ssl);
void imap_write(client_list *node, uint8_t ssl, char *fmt, ...);
void imap_flush(client_list *node, uint8_t ssl);
uint8_t imap_cmd_exec(imap_cmd cmd, client_list *node, uint8_t ssl, uint8_t state);
#endif /* ifndef IMAP_H */