update: add path section to MPTP packet

This commit is contained in:
ngn 2024-08-09 22:13:43 +03:00
parent f5d8514a27
commit 1404da3c6c
16 changed files with 382 additions and 221 deletions

View File

@ -39,7 +39,7 @@ int main(int argc, char *argv[]) {
printf("resolving package: %s (%s)...\n", pkg->data.name, pkg->data.version);
if ((list = lm_ctx_resolve(&ctx, pkg, NULL)) == NULL) {
if ((list = lm_ctx_resolve(&ctx, pkg, true, NULL)) == NULL) {
printf("failed to resolve package: %s (%d)\n", lm_strerror(), lm_error());
goto end;
}

View File

@ -152,6 +152,7 @@ typedef enum lm_error {
LM_ERR_MPTPListenFail = 150,
LM_ERR_PoolInfoBadName = 151,
LM_ERR_PoolInfoUnknown = 152,
LM_ERR_MPTPBadPath = 153,
} lm_error_t;
typedef struct lm_error_desc {

View File

@ -13,9 +13,12 @@
#####################################
# FLAGS #
#####################################
# HOST SIZE | DATA SIZE #
# HOST SIZE | PATH SIZE #
#####################################
# DATA SIZE #
#####################################
# HOST #
# PATH #
# DATA #
#...................................#
@ -82,7 +85,8 @@
#define MPTP_VERSION_SUPPORTED 0
#define MPTP_CODE_MAX 3
#define MPTP_DATA_MAX UINT8_MAX
#define MPTP_DATA_MAX 4096 // generally this is the page size on x86_64 linux
#define MPTP_PATH_MAX UINT8_MAX
#define MPTP_HOST_MAX UINT8_MAX
#define MPTP_TIMEOUT 10
@ -106,13 +110,13 @@ typedef enum lm_mptp_response {
typedef struct lm_mptp_header {
uint16_t flags;
uint8_t host_size;
uint8_t data_size;
uint8_t path_size;
uint16_t data_size;
} __attribute__((packed)) lm_mptp_header_t;
typedef struct lm_mptp {
lm_mptp_header_t header;
char host[MPTP_DATA_MAX];
char data[MPTP_DATA_MAX];
char *host, *path, *data;
} lm_mptp_t;
typedef bool (*lm_mptp_transfer_callback_t)(char *path, size_t current, size_t total, void *data);
@ -125,17 +129,26 @@ typedef bool (*lm_mptp_transfer_callback_t)(char *path, size_t current, size_t t
#define MPTP_IS_REQUEST(m) (MPTP_FLAGS_TYPE(m) == 0)
#define MPTP_IS_LAST(m) (MPTP_FLAGS_LAST(m) == 1)
bool lm_mptp_init(lm_mptp_t *packet, bool is_request, uint8_t code, bool is_last);
bool lm_mptp_set_data(lm_mptp_t *packet, char *data, size_t size);
bool lm_mptp_set_host(lm_mptp_t *packet, char *host);
bool lm_mptp_get_host(lm_mptp_t *packet, char *host);
bool lm_mptp_get_data(lm_mptp_t *packet, char *data);
void lm_mptp_init(lm_mptp_t *packet);
bool lm_mptp_new(lm_mptp_t *packet, bool is_request, uint8_t code, bool is_last);
void lm_mptp_free(lm_mptp_t *packet);
int lm_mptp_socket(char *addr, uint16_t port, struct sockaddr *saddr);
bool lm_mptp_socket_opts(int sock);
void lm_mptp_copy(lm_mptp_t *dst, lm_mptp_t *src);
bool lm_mptp_verify(lm_mptp_t *packet);
void lm_mptp_close(int sock);
bool lm_mptp_recv(int sock, lm_mptp_t *packet);
void lm_mptp_free(lm_mptp_t *packet);
bool lm_mptp_set_data(lm_mptp_t *packet, char *data, size_t size);
bool lm_mptp_get_data(lm_mptp_t *packet, char *data);
bool lm_mptp_set_host(lm_mptp_t *packet, char *host);
bool lm_mptp_get_host(lm_mptp_t *packet, char *host);
bool lm_mptp_set_path(lm_mptp_t *packet, char *path);
bool lm_mptp_get_path(lm_mptp_t *packet, char *path);
int lm_mptp_client_connect(char *addr, uint16_t port);
bool lm_mptp_client_verify(lm_mptp_t *packet);

View File

@ -30,6 +30,7 @@ bool exists(char *path, struct stat *st);
bool is_empty(char *p);
bool is_dir_empty(char *p);
bool rmrf(char *p);
int digits(int n);
bool package_parse(char *package, char *name, char *version);
bool package_version_valid(char *name);

View File

@ -8,7 +8,7 @@ msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2024-08-09 03:32+0300\n"
"POT-Creation-Date: 2024-08-09 22:12+0300\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
@ -121,534 +121,539 @@ msgid "MPTP host size is invalid"
msgstr "URL path is too large"
#: src/error.c:43
#, fuzzy
msgid "MPTP path size is invalid"
msgstr "URL path is too large"
#: src/error.c:44
msgid "failed to set MPTP socket options"
msgstr ""
#: src/error.c:44
#: src/error.c:45
msgid "MPTP connection timed out"
msgstr ""
#: src/error.c:45
#: src/error.c:46
#, c-format
msgid "failed to bind MPTP socket: %s"
msgstr ""
#: src/error.c:46
#: src/error.c:47
msgid "required argument is a NULL pointer or 0"
msgstr ""
#: src/error.c:47
#: src/error.c:48
msgid "not a MPTP request"
msgstr ""
#: src/error.c:48
#: src/error.c:49
msgid "not a MPTP response"
msgstr ""
#: src/error.c:49 src/error.c:50
#: src/error.c:50 src/error.c:51
msgid "MPTP request last flag is not set"
msgstr ""
#: src/error.c:51
#: src/error.c:52
msgid "host port not specified"
msgstr ""
#: src/error.c:52
#: src/error.c:53
msgid "pool info is badly formatted or is not complete"
msgstr ""
#: src/error.c:53
#: src/error.c:54
msgid "failed to write block from archive"
msgstr ""
#: src/error.c:54
#: src/error.c:55
msgid "failed to read block from archive"
msgstr ""
#: src/error.c:55
#: src/error.c:56
msgid "failed to open archive"
msgstr ""
#: src/error.c:56
#: src/error.c:57
msgid "failed to write archive header"
msgstr ""
#: src/error.c:57
#: src/error.c:58
msgid "failed to finish writing the archive entry"
msgstr ""
#: src/error.c:58
#: src/error.c:59
msgid "failed to create new archive reader/writer"
msgstr ""
#: src/error.c:59
#: src/error.c:60
msgid "failed to resolve full path for archive file"
msgstr ""
#: src/error.c:60
#: src/error.c:61
msgid "failed to read the next header of the archive"
msgstr ""
#: src/error.c:61
#: src/error.c:62
msgid "failed to obtain current working directory"
msgstr ""
#: src/error.c:62
#: src/error.c:63
msgid "failed to open extracted pool list directory"
msgstr ""
#: src/error.c:63
#: src/error.c:64
msgid "failed to read access the pool list file"
msgstr ""
#: src/error.c:64
#: src/error.c:65
msgid "failed to read access the pool info file"
msgstr ""
#: src/error.c:65
#: src/error.c:66
msgid "failed to parse package data"
msgstr ""
#: src/error.c:66
#: src/error.c:67
#, fuzzy
msgid "package name is invalid"
msgstr "URL hostname is too large"
#: src/error.c:67
#: src/error.c:68
msgid "data path is not set with in the ctx"
msgstr ""
#: src/error.c:68
#: src/error.c:69
msgid "temp path is not set with in the ctx"
msgstr ""
#: src/error.c:69
msgid "root path is not set with in the ctx"
msgstr ""
#: src/error.c:70
#, c-format
msgid "failed to set the ctx temp director to %s: %s"
msgid "root path is not set with in the ctx"
msgstr ""
#: src/error.c:71
#, c-format
msgid "failed to set the ctx root directory to %s: %s"
msgid "failed to set the ctx temp director to %s: %s"
msgstr ""
#: src/error.c:72
#, c-format
msgid "failed to set the ctx data directory to %s: %s"
msgid "failed to set the ctx root directory to %s: %s"
msgstr ""
#: src/error.c:73
msgid "pool did not respond ping with pong"
#, c-format
msgid "failed to set the ctx data directory to %s: %s"
msgstr ""
#: src/error.c:74
msgid "package file and directory paths are empty"
msgid "pool did not respond ping with pong"
msgstr ""
#: src/error.c:75
msgid "failed to to open target file for sending"
msgid "package file and directory paths are empty"
msgstr ""
#: src/error.c:76
msgid "failed to to delete target file for receiving"
msgid "failed to to open target file for sending"
msgstr ""
#: src/error.c:77
msgid "failed to to open target file for receiving"
msgid "failed to to delete target file for receiving"
msgstr ""
#: src/error.c:78
msgid "got a bad response code for receiving the target file"
msgid "failed to to open target file for receiving"
msgstr ""
#: src/error.c:79
msgid "failed to write to the target file for receiving"
msgid "got a bad response code for receiving the target file"
msgstr ""
#: src/error.c:80
msgid "failed to write to the target file for receiving"
msgstr ""
#: src/error.c:81
#, fuzzy
msgid "package not found"
msgstr "URL hostname is too large"
#: src/error.c:81
#: src/error.c:82
msgid "failed to access to the database file/directory"
msgstr ""
#: src/error.c:82
#: src/error.c:83
msgid "failed to open SQLite database"
msgstr ""
#: src/error.c:83
#: src/error.c:84
msgid "failed to create table in SQLite database"
msgstr ""
#: src/error.c:84
#: src/error.c:85
msgid "failed to prepare statement for SQLite database"
msgstr ""
#: src/error.c:85
#: src/error.c:86
msgid "failed to insert to the table in SQLite database"
msgstr ""
#: src/error.c:86
#: src/error.c:87
msgid "failed to select from the table in SQLite database"
msgstr ""
#: src/error.c:87
#: src/error.c:88
msgid "failed to delete from the table in SQLite database"
msgstr ""
#: src/error.c:88
#: src/error.c:89
msgid "failed to find entry in SQLite database"
msgstr ""
#: src/error.c:89
#: src/error.c:90
msgid "failed to init GPG for package verification"
msgstr ""
#: src/error.c:90
#: src/error.c:91
msgid "failed to import signature to GPG for package verification"
msgstr ""
#: src/error.c:91
#: src/error.c:92
msgid "failed to import archive to GPG for package verification"
msgstr ""
#: src/error.c:92
#: src/error.c:93
msgid "package signature verification failed with zero matches"
msgstr ""
#: src/error.c:93
#: src/error.c:94
msgid "package signature verification failed with zero results"
msgstr ""
#: src/error.c:94
#: src/error.c:95
msgid "pool file and directory paths are empty"
msgstr ""
#: src/error.c:95
#: src/error.c:96
msgid "pool is not avaliable for connection"
msgstr ""
#: src/error.c:96
#: src/error.c:97
msgid "pool URL is empty or invalid"
msgstr ""
#: src/error.c:97
#: src/error.c:98
msgid "pool directory path is not accessible"
msgstr ""
#: src/error.c:98
#: src/error.c:99
msgid "pool directory sub-paths are not accessible"
msgstr ""
#: src/error.c:99
#: src/error.c:100
msgid "package file list not found in the database"
msgstr ""
#: src/error.c:100
#: src/error.c:101
msgid "failed to open package file list in the database"
msgstr ""
#: src/error.c:101
#: src/error.c:102
msgid "failed to access package file list database directory"
msgstr ""
#: src/error.c:102
#: src/error.c:103
msgid "failed to remove package file list from the database"
msgstr ""
#: src/error.c:103
#: src/error.c:104
msgid "failed to write to the file list in the database"
msgstr ""
#: src/error.c:104
#: src/error.c:105
msgid "package keep list not found in the database"
msgstr ""
#: src/error.c:105
#: src/error.c:106
msgid "failed to open package keep list in the database"
msgstr ""
#: src/error.c:106
#: src/error.c:107
msgid "failed to access package keep list database directory"
msgstr ""
#: src/error.c:107
msgid "failed to remove package keep list from the database"
msgstr ""
#: src/error.c:108
#, c-format
msgid "failed to find %s (dependency of %s)"
msgid "failed to remove package keep list from the database"
msgstr ""
#: src/error.c:109
#, c-format
msgid "failed to download %s for installation: %s"
msgid "failed to find %s (dependency of %s)"
msgstr ""
#: src/error.c:110
#, c-format
msgid "failed to download %s for installation: %s"
msgstr ""
#: src/error.c:111
#, fuzzy
msgid "package is not downloaded"
msgstr "URL hostname is too large"
#: src/error.c:111 src/error.c:112
#: src/error.c:112 src/error.c:113
msgid "failed to remove downloaded package"
msgstr ""
#: src/error.c:113
#: src/error.c:114
msgid "failed to open the destination file"
msgstr ""
#: src/error.c:114
#: src/error.c:115
msgid "failed to open the source file"
msgstr ""
#: src/error.c:115 src/error.c:116
#: src/error.c:116 src/error.c:117
msgid "failed to write to the destination file"
msgstr ""
#: src/error.c:117
#: src/error.c:118
msgid "package does not have associated pool"
msgstr ""
#: src/error.c:118
#: src/error.c:119
msgid "failed to create specified temp directory"
msgstr ""
#: src/error.c:119
#: src/error.c:120
msgid "package archive does not contain required files"
msgstr ""
#: src/error.c:120
#: src/error.c:121
msgid "package data does not match with target package"
msgstr ""
#: src/error.c:121
#: src/error.c:122
#, c-format
msgid "failed to update changes file for package: %s"
msgstr ""
#: src/error.c:122
#: src/error.c:123
msgid "failed to access package hashes file"
msgstr ""
#: src/error.c:123
#: src/error.c:124
msgid "failed to remove package changes file from the database"
msgstr ""
#: src/error.c:124
#: src/error.c:125
msgid "failed to stat target file for sending"
msgstr ""
#: src/error.c:125
#: src/error.c:126
msgid "failed to format target file size for sending"
msgstr ""
#: src/error.c:126
#: src/error.c:127
msgid "failed to read target file size for sending"
msgstr ""
#: src/error.c:127
#: src/error.c:128
msgid "failed to parse target file size for receiving"
msgstr ""
#: src/error.c:128
#: src/error.c:129
msgid "target file is not fully received"
msgstr ""
#: src/error.c:129
msgid "failed to stat for target extract archive"
msgstr ""
#: src/error.c:130
#, c-format
msgid "failed to add package file (%s) to the database: %s"
msgid "failed to stat for target extract archive"
msgstr ""
#: src/error.c:131
#, c-format
msgid "failed to extract package files: %s"
msgid "failed to add package file (%s) to the database: %s"
msgstr ""
#: src/error.c:132
#, c-format
msgid "failed to add package to the database: %s"
msgid "failed to extract package files: %s"
msgstr ""
#: src/error.c:133
#, c-format
msgid "failed to add package to the database: %s"
msgstr ""
#: src/error.c:134
#, fuzzy
msgid "package is already installed"
msgstr "URL hostname is too large"
#: src/error.c:134
#: src/error.c:135
#, fuzzy
msgid "package is not installed"
msgstr "URL hostname is too large"
#: src/error.c:135
#: src/error.c:136
#, c-format
msgid "failed to remove package file (%s): %s"
msgstr ""
#: src/error.c:136
#: src/error.c:137
#, c-format
msgid "failed to remove package from the database: %s"
msgstr ""
#: src/error.c:137
#: src/error.c:138
#, c-format
msgid "failed to remove package files from the database: %s"
msgstr ""
#: src/error.c:138
#: src/error.c:139
#, c-format
msgid "failed to remove changes file for package: %s"
msgstr ""
#: src/error.c:139
#: src/error.c:140
msgid "failed to get current directory for running install"
msgstr ""
#: src/error.c:140
#: src/error.c:141
msgid "failed change directory to root for running install"
msgstr ""
#: src/error.c:141
#: src/error.c:142
msgid "failed run install spawn command"
msgstr ""
#: src/error.c:143
#: src/error.c:144
msgid "failed to change directory to old directory after running install"
msgstr ""
#: src/error.c:144
msgid "install script returned a bad status code"
msgstr ""
#: src/error.c:145
#, c-format
msgid "failed to run the package install script: %s"
msgid "install script returned a bad status code"
msgstr ""
#: src/error.c:146
#, c-format
msgid "failed to save the package install script: %s"
msgid "failed to run the package install script: %s"
msgstr ""
#: src/error.c:147
#, c-format
msgid "removing package breaks %s"
msgid "failed to save the package install script: %s"
msgstr ""
#: src/error.c:148
#, c-format
msgid "removing package breaks %s"
msgstr ""
#: src/error.c:149
#, fuzzy
msgid "package is already up-to-date"
msgstr "URL hostname is too large"
#: src/error.c:149
#: src/error.c:150
msgid "failed to open file for hashing"
msgstr ""
#: src/error.c:150
msgid "failed create digest for hashing"
msgstr ""
#: src/error.c:151
#, c-format
msgid "failed to get hash of %s: %s"
msgid "failed create digest for hashing"
msgstr ""
#: src/error.c:152
#, c-format
msgid "file hash does not match for %s"
msgid "failed to get hash of %s: %s"
msgstr ""
#: src/error.c:153
#, c-format
msgid "file hash does not match for %s"
msgstr ""
#: src/error.c:154
#, fuzzy
msgid "pool info is not loaded"
msgstr "URL hostname is too large"
#: src/error.c:154
#: src/error.c:155
msgid "pool list is empty"
msgstr ""
#: src/error.c:155
#: src/error.c:156
msgid "package changes file not found in the database"
msgstr ""
#: src/error.c:156
#: src/error.c:157
msgid "failed to change mod of the changes file"
msgstr ""
#: src/error.c:157
#: src/error.c:158
msgid "failed to create install script save directory"
msgstr ""
#: src/error.c:158
#: src/error.c:159
msgid "directory does not have write permissions"
msgstr ""
#: src/error.c:159
#: src/error.c:160
msgid "specified path is not a directory"
msgstr ""
#: src/error.c:160
#: src/error.c:161
msgid "failed to create the specified directory"
msgstr ""
#: src/error.c:161
msgid "specified list extraction directory is not accessible"
msgstr ""
#: src/error.c:162
#, c-format
msgid "file does not exist: %s"
msgid "specified list extraction directory is not accessible"
msgstr ""
#: src/error.c:163
#, c-format
msgid "file is a symbolic link: %s"
msgid "file does not exist: %s"
msgstr ""
#: src/error.c:164
msgid "failed to set the package archive"
#, c-format
msgid "file is a symbolic link: %s"
msgstr ""
#: src/error.c:165
msgid "failed to set the package archive"
msgstr ""
#: src/error.c:166
#, c-format
msgid "failed change directory: %s"
msgstr ""
#: src/error.c:166
#: src/error.c:167
msgid "failed to change directory to root during extraction"
msgstr ""
#: src/error.c:167
msgid "failed to change directory back from root during extraction"
msgstr ""
#: src/error.c:168
#, c-format
msgid "failed to accept the MPTP connection: %s"
msgid "failed to change directory back from root during extraction"
msgstr ""
#: src/error.c:169
#, c-format
msgid "failed to listen the MPTP socket: %s"
msgid "failed to accept the MPTP connection: %s"
msgstr ""
#: src/error.c:170
#, c-format
msgid "pool name (%s) doesn't match with: %s"
msgid "failed to listen the MPTP socket: %s"
msgstr ""
#: src/error.c:171
#, c-format
msgid "pool name (%s) doesn't match with: %s"
msgstr ""
#: src/error.c:172
#, c-format
msgid "unknown key in the configuration: %s"
msgstr ""

View File

@ -65,9 +65,9 @@ bool lm_ctx_download(lm_ctx_t *ctx, lm_pkg_t *pkg, lm_ctx_download_callback_t ca
if((sock = lm_mptp_client_connect(pool->url.host, pool->url.port)) < 0)
return false;
lm_mptp_init(&packet, true, MPTP_C2S_PULL, true);
lm_mptp_new(&packet, true, MPTP_C2S_PULL, true);
lm_mptp_set_host(&packet, pool->url.host);
lm_mptp_set_data(&packet, path, strlen(path));
lm_mptp_set_path(&packet, path);
if(!lm_mptp_client_send(sock, &packet))
goto end;
@ -83,6 +83,7 @@ bool lm_ctx_download(lm_ctx_t *ctx, lm_pkg_t *pkg, lm_ctx_download_callback_t ca
ret = true;
end:
lm_mptp_free(&packet);
lm_mptp_close(sock);
return ret;
}

View File

@ -28,6 +28,9 @@ void __lm_ctx_serve_thread(void *_arg) {
bool success = false;
lm_mptp_t packet;
lm_mptp_init(&packet);
lm_error_clear();
if(!lm_mptp_server_recv(arg->sock, &packet)){
pdebug(__func__, "%x: failed to receive packet (%s)", arg->addr, lm_strerror());
return lm_mptp_close(arg->sock);
@ -39,14 +42,14 @@ void __lm_ctx_serve_thread(void *_arg) {
}
char hostname[packet.header.host_size + 1]; // +1 for NULL terminator
char path[packet.header.data_size + 1], *ppath = path;
char path[packet.header.path_size + 1], *ppath = path;
if (!lm_mptp_get_host(&packet, hostname)) {
pdebug(__func__, "%x: closing connection, failed to get hostname (%s)", arg->addr, lm_strerror());
goto end;
}
if (!lm_mptp_get_data(&packet, path)) {
if (!lm_mptp_get_path(&packet, path)) {
pdebug(__func__, "%x: closing connection, failed to get path (%s)", arg->addr, lm_strerror());
goto end;
}
@ -60,21 +63,21 @@ void __lm_ctx_serve_thread(void *_arg) {
if (NULL == pool) {
pdebug(__func__, "%x: unknown pool (%s), closing connection", arg->addr, hostname);
lm_mptp_init(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_new(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_server_send(arg->sock, &packet);
goto end;
}
if(lm_pool_path_is_empty(pool)){
pdebug(__func__, "%x: requested pool (%s) have empty paths, closing connection", arg->addr, pool->name);
lm_mptp_init(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_new(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_server_send(arg->sock, &packet);
goto end;
}
if(!pool->loaded){
pdebug(__func__, "%x: requested pool (%s) is not loaded, closing connection", arg->addr, pool->name);
lm_mptp_init(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_new(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_server_send(arg->sock, &packet);
goto end;
}
@ -85,7 +88,7 @@ void __lm_ctx_serve_thread(void *_arg) {
// response PING with PONG
case MPTP_C2S_PING:
pdebug(__func__, "PING %s: returning PONG", pool->name);
lm_mptp_init(&packet, false, MPTP_S2C_PONG, true);
lm_mptp_new(&packet, false, MPTP_S2C_PONG, true);
lm_mptp_server_send(arg->sock, &packet);
break;
@ -106,16 +109,16 @@ void __lm_ctx_serve_thread(void *_arg) {
case MPTP_C2S_PULL:
// PULL request should contain package path,
// if path (stored in the data field) is empty it's an invalid request
if(packet.header.data_size <= 0){
lm_mptp_init(&packet, false, MPTP_S2C_WHAT, true);
if(packet.header.path_size <= 0){
lm_mptp_new(&packet, false, MPTP_S2C_WHAT, true);
lm_mptp_server_send(arg->sock, &packet);
break;
}
pdebug(__func__, "PULL %s: attempting to send package archive and signature", pool->name);
char path[packet.header.data_size + 1], *package = path;
char path[packet.header.path_size + 1], *package = path;
if(!lm_mptp_get_data(&packet, path)){
if(!lm_mptp_get_path(&packet, path)){
// we should never be able to get here, if we do theres definetly a bug
pdebug(__func__, "PULL %s: skipping, failed to get path (%s)", pool->name, lm_strerror());
break;
@ -123,7 +126,7 @@ void __lm_ctx_serve_thread(void *_arg) {
// if we can't get the package name, then theres something wrong with the request
if((package = basename(path)) == NULL){
lm_mptp_init(&packet, false, MPTP_S2C_WHAT, true);
lm_mptp_new(&packet, false, MPTP_S2C_WHAT, true);
lm_mptp_server_send(arg->sock, &packet);
break;
}
@ -134,14 +137,14 @@ void __lm_ctx_serve_thread(void *_arg) {
// if we can't parse the package name, request is invalid
if(!package_parse(package, name, version)){
lm_mptp_init(&packet, false, MPTP_S2C_WHAT, true);
lm_mptp_new(&packet, false, MPTP_S2C_WHAT, true);
lm_mptp_server_send(arg->sock, &packet);
break;
}
// if the package is not found in the pool, tell the client
if((pkg = lm_pool_package_find(pool, name, version)) == NULL){
lm_mptp_init(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_new(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_server_send(arg->sock, &packet);
break;
}

View File

@ -40,6 +40,7 @@ void lm_error_set(lm_error_t code, ...) {
{.code = LM_ERR_MPTPSendFail, .desc = _("failed send MPTP data to host") },
{.code = LM_ERR_MPTPBadData, .desc = _("MPTP data size is invalid") },
{.code = LM_ERR_MPTPBadHost, .desc = _("MPTP host size is invalid") },
{.code = LM_ERR_MPTPBadPath, .desc = _("MPTP path size is invalid") },
{.code = LM_ERR_MPTPSetsockopt, .desc = _("failed to set MPTP socket options") },
{.code = LM_ERR_MPTPTimeout, .desc = _("MPTP connection timed out") },
{.code = LM_ERR_MPTPBindFail, .desc = _("failed to bind MPTP socket: %s") },

View File

@ -28,15 +28,19 @@ int lm_mptp_client_connect(char *addr, uint16_t port) {
}
bool lm_mptp_client_verify(lm_mptp_t *packet) {
if (!lm_mptp_verify(packet))
if (!lm_mptp_verify(packet)){
pdebug(__func__, "failed to verify the packet: %s", lm_strerror());
return false;
}
if (MPTP_IS_REQUEST(packet)) {
pdebug(__func__, "MPTP packet is a request");
lm_error_set(LM_ERR_MPTPNotResponse);
return false;
}
if (packet->header.host_size != 0) {
pdebug(__func__, "MPTP response has host section");
lm_error_set(LM_ERR_MPTPBadHost);
return false;
}
@ -47,42 +51,59 @@ bool lm_mptp_client_verify(lm_mptp_t *packet) {
bool lm_mptp_client_send(int sock, lm_mptp_t *packet) {
if (NULL == packet) {
lm_error_set(LM_ERR_ArgNULL);
lm_mptp_free(packet);
return false;
}
if (MPTP_FLAGS_VERSION(packet) != MPTP_VERSION_SUPPORTED) {
lm_error_set(LM_ERR_MPTPBadVersion);
lm_mptp_free(packet);
return false;
}
if (packet->header.data_size > MPTP_DATA_MAX) {
lm_error_set(LM_ERR_MPTPBadData);
lm_mptp_free(packet);
return false;
}
if (packet->header.host_size > MPTP_HOST_MAX || packet->header.host_size <= 0) {
lm_error_set(LM_ERR_MPTPBadHost);
lm_mptp_free(packet);
return false;
}
char buffer[sizeof(packet->header) + packet->header.host_size + packet->header.data_size];
char buffer[
sizeof(packet->header) +
packet->header.host_size +
packet->header.path_size +
packet->header.data_size
];
ssize_t total = sizeof(buffer), used = 0, buflen = total;
packet->header.flags = htons(packet->header.flags);
bool ret = false;
copy_to_buffer(buffer, &packet->header, sizeof(packet->header), &total, &used);
copy_to_buffer(buffer, packet->host, packet->header.host_size, &total, &used);
copy_to_buffer(buffer, packet->path, packet->header.path_size, &total, &used);
copy_to_buffer(buffer, packet->data, packet->header.data_size, &total, &used);
packet->header.flags = htons(packet->header.flags);
//packet->header.host_size = htons(packet->header.host_size);
//packet->header.path_size = htons(packet->header.path_size);
packet->header.data_size = htons(packet->header.data_size);
if (send(sock, buffer, sizeof(buffer), MSG_MORE) < 0) {
lm_error_set(LM_ERR_MPTPSendFail);
return false;
goto end;
}
pdebug(__func__, "printing the packet dump (%lu bytes)", buflen);
pdebug_binary(buffer, buflen);
ret = true;
return true;
end:
lm_mptp_free(packet);
return ret;
}
bool lm_mptp_client_recv(int sock, lm_mptp_t *packet) {
@ -91,7 +112,7 @@ bool lm_mptp_client_recv(int sock, lm_mptp_t *packet) {
return false;
}
bzero(packet, sizeof(lm_mptp_t));
lm_mptp_free(packet);
if(!lm_mptp_recv(sock, packet)){
pdebug(__func__, "failed to receive the packet: %s", lm_strerror());

View File

@ -5,13 +5,17 @@
#include <errno.h>
#include <netinet/tcp.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
bool lm_mptp_init(lm_mptp_t *packet, bool is_request, uint8_t code, bool is_last) {
bzero(&packet->header, sizeof(packet->header));
bzero(packet->data, MPTP_DATA_MAX);
bzero(packet->host, MPTP_HOST_MAX);
void lm_mptp_init(lm_mptp_t *packet){
bzero(packet, sizeof(lm_mptp_t));
}
bool lm_mptp_new(lm_mptp_t *packet, bool is_request, uint8_t code, bool is_last) {
lm_mptp_init(packet);
if (code > MPTP_CODE_MAX) {
lm_error_set(LM_ERR_MPTPBadCode);
@ -35,6 +39,17 @@ bool lm_mptp_init(lm_mptp_t *packet, bool is_request, uint8_t code, bool is_last
return true;
}
void lm_mptp_free(lm_mptp_t *packet) {
if(NULL == packet)
return;
free(packet->host);
free(packet->path);
free(packet->data);
lm_mptp_init(packet);
}
bool lm_mptp_verify(lm_mptp_t *packet) {
if (NULL == packet) {
lm_error_set(LM_ERR_ArgNULL);
@ -46,6 +61,16 @@ bool lm_mptp_verify(lm_mptp_t *packet) {
return false;
}
if (packet->header.host_size > MPTP_HOST_MAX || packet->header.host_size < 0) {
lm_error_set(LM_ERR_MPTPBadHost);
return false;
}
if (packet->header.path_size > MPTP_PATH_MAX || packet->header.path_size < 0) {
lm_error_set(LM_ERR_MPTPBadPath);
return false;
}
if (packet->header.data_size > MPTP_DATA_MAX || packet->header.data_size < 0) {
lm_error_set(LM_ERR_MPTPBadData);
return false;
@ -161,9 +186,13 @@ bool lm_mptp_set_host(lm_mptp_t *packet, char *host) {
return false;
}
free(packet->host);
packet->host = malloc(size);
// do NOT copy the NULL terminator
packet->header.host_size = size;
memcpy(packet->host, host, size);
return true;
}
@ -179,14 +208,49 @@ bool lm_mptp_get_host(lm_mptp_t *packet, char *host) {
return true;
}
bool lm_mptp_set_path(lm_mptp_t *packet, char *path) {
size_t size = strlen(path);
if (size > MPTP_PATH_MAX || size < 0) {
lm_error_set(LM_ERR_MPTPBadHost);
return false;
}
free(packet->path);
packet->path = malloc(size);
// do NOT copy the NULL terminator
packet->header.path_size = size;
memcpy(packet->path, path, size);
return true;
}
bool lm_mptp_get_path(lm_mptp_t *packet, char *path) {
if (packet->header.path_size > MPTP_PATH_MAX || packet->header.path_size < 0) {
path = NULL;
lm_error_set(LM_ERR_BadHost);
return false;
}
memcpy(path, packet->path, packet->header.path_size);
path[packet->header.path_size] = 0;
return true;
}
bool lm_mptp_set_data(lm_mptp_t *packet, char *data, size_t size) {
if (size > MPTP_DATA_MAX || size < 0) {
lm_error_set(LM_ERR_MPTPBadData);
return false;
}
packet->header.data_size = size;
mempcpy(packet->data, data, size);
free(packet->data);
packet->data = malloc(size);
if(NULL != data){
packet->header.data_size = size;
mempcpy(packet->data, data, size);
}
return true;
}
@ -202,12 +266,6 @@ bool lm_mptp_get_data(lm_mptp_t *packet, char *data) {
return true;
}
void lm_mptp_copy(lm_mptp_t *dst, lm_mptp_t *src) {
memcpy(&dst->header, &src->header, sizeof(dst->header));
memcpy(&dst->host, &src->data, sizeof(src->host));
memcpy(&dst->data, &src->data, sizeof(src->data));
}
bool lm_mptp_recv(int sock, lm_mptp_t *packet) {
if (recv(sock, &packet->header, sizeof(packet->header), MSG_WAITALL) <= 0) {
if (ETIMEDOUT == errno || EAGAIN == errno) {
@ -218,11 +276,13 @@ bool lm_mptp_recv(int sock, lm_mptp_t *packet) {
return false;
}
packet->header.flags = ntohs(packet->header.flags);
// packet->header.host_size = ntohs(packet->header.host_size);
// packet->header.data_size = ntohs(packet->header.data_size);
/*packet->header.flags = ntohs(packet->header.flags);
packet->header.host_size = ntohs(packet->header.host_size);
packet->header.path_size = ntohs(packet->header.path_size);
packet->header.data_size = ntohs(packet->header.data_size);*/
if (packet->header.host_size <= MPTP_HOST_MAX && packet->header.host_size != 0){
packet->host = malloc(packet->header.host_size);
if(recv(sock, packet->host, packet->header.host_size, MSG_WAITALL) <= 0){
if (ETIMEDOUT == errno || EAGAIN == errno) {
lm_error_set(LM_ERR_MPTPTimeout);
@ -233,7 +293,20 @@ bool lm_mptp_recv(int sock, lm_mptp_t *packet) {
}
}
if (packet->header.path_size <= MPTP_PATH_MAX && packet->header.path_size != 0){
packet->path = malloc(packet->header.path_size);
if(recv(sock, packet->path, packet->header.path_size, MSG_WAITALL) <= 0){
if (ETIMEDOUT == errno || EAGAIN == errno) {
lm_error_set(LM_ERR_MPTPTimeout);
return false;
}
lm_error_set(LM_ERR_MPTPRecvFail, strerror(errno));
return false;
}
}
if (packet->header.data_size <= MPTP_DATA_MAX && packet->header.data_size != 0){
packet->data = malloc(packet->header.data_size);
if(recv(sock, packet->data, packet->header.data_size, MSG_WAITALL) <= 0){
if (ETIMEDOUT == errno || EAGAIN == errno) {
lm_error_set(LM_ERR_MPTPTimeout);

View File

@ -53,20 +53,19 @@ void lm_mptp_server_close(int sock){
}
bool lm_mptp_server_verify(lm_mptp_t *packet) {
if (!lm_mptp_verify(packet))
if (!lm_mptp_verify(packet)){
pdebug(__func__, "failed to verify the packet: %s", lm_strerror());
return false;
}
if (!MPTP_IS_REQUEST(packet)) {
pdebug(__func__, "MPTP packet is not request");
lm_error_set(LM_ERR_MPTPNotRequest);
return false;
}
if (packet->header.host_size > MPTP_HOST_MAX || packet->header.host_size <= 0) {
lm_error_set(LM_ERR_MPTPBadHost);
return false;
}
if (!MPTP_IS_LAST(packet)) {
pdebug(__func__, "MPTP packet is not the last");
lm_error_set(LM_ERR_MPTPNotLast);
return false;
}
@ -80,7 +79,7 @@ bool lm_mptp_server_recv(int sock, lm_mptp_t *packet) {
return false;
}
bzero(packet, sizeof(lm_mptp_t));
lm_mptp_free(packet);
if(!lm_mptp_recv(sock, packet)){
pdebug(__func__, "failed to receive the packet: %s", lm_strerror());
@ -93,40 +92,57 @@ bool lm_mptp_server_recv(int sock, lm_mptp_t *packet) {
bool lm_mptp_server_send(int sock, lm_mptp_t *packet) {
if (NULL == packet) {
lm_error_set(LM_ERR_ArgNULL);
lm_mptp_free(packet);
return false;
}
if (MPTP_FLAGS_VERSION(packet) != MPTP_VERSION_SUPPORTED) {
lm_error_set(LM_ERR_MPTPBadVersion);
lm_mptp_free(packet);
return false;
}
if (packet->header.data_size > MPTP_DATA_MAX) {
lm_error_set(LM_ERR_MPTPBadData);
lm_mptp_free(packet);
return false;
}
if (packet->header.host_size != 0) {
lm_error_set(LM_ERR_MPTPBadHost);
lm_mptp_free(packet);
return false;
}
char buffer[sizeof(packet->header) + packet->header.host_size + packet->header.data_size];
char buffer[
sizeof(packet->header) +
packet->header.host_size +
packet->header.path_size +
packet->header.data_size
];
ssize_t total = sizeof(buffer), used = 0, buflen = total;
packet->header.flags = htons(packet->header.flags);
bool ret = false;
copy_to_buffer(buffer, &packet->header, sizeof(packet->header), &total, &used);
copy_to_buffer(buffer, packet->host, packet->header.host_size, &total, &used);
copy_to_buffer(buffer, packet->path, packet->header.path_size, &total, &used);
copy_to_buffer(buffer, packet->data, packet->header.data_size, &total, &used);
packet->header.flags = htons(packet->header.flags);
//packet->header.host_size = htons(packet->header.host_size);
//packet->header.path_size = htons(packet->header.path_size);
packet->header.data_size = htons(packet->header.data_size);
if (send(sock, buffer, buflen, MSG_MORE) < 0) {
lm_error_set(LM_ERR_MPTPSendFail);
return false;
goto end;
}
pdebug(__func__, "printing the packet dump (%lu bytes)", buflen);
pdebug_binary(buffer, buflen);
ret = true;
return true;
end:
lm_mptp_free(packet);
return ret;
}

View File

@ -24,6 +24,8 @@ bool lm_mptp_sendfile(int sock, char *path, lm_mptp_transfer_callback_t callback
struct stat st;
int size = -1;
lm_mptp_init(&packet);
if(NULL == file){
pdebug(__func__, "failed to open file: %s", path);
lm_error_set(LM_ERR_SendOpenFail);
@ -38,7 +40,9 @@ bool lm_mptp_sendfile(int sock, char *path, lm_mptp_transfer_callback_t callback
total = st.st_size;
lm_mptp_init(&packet, false, MPTP_S2C_COOL, false);
lm_mptp_new(&packet, false, MPTP_S2C_COOL, false);
lm_mptp_set_data(&packet, NULL, digits(st.st_size));
if((size = snprintf(packet.data, MPTP_DATA_MAX, "%lu", st.st_size)) <= 0){
pdebug(__func__, "snprintf for stat size failed: %s", path);
lm_error_set(LM_ERR_SendSnprintfFail);
@ -52,7 +56,8 @@ bool lm_mptp_sendfile(int sock, char *path, lm_mptp_transfer_callback_t callback
goto end_1;
// clear the packet
lm_mptp_init(&packet, false, MPTP_S2C_COOL, false);
lm_mptp_new(&packet, false, MPTP_S2C_COOL, false);
lm_mptp_set_data(&packet, NULL, MPTP_DATA_MAX);
while ((read = fread(packet.data, 1, MPTP_DATA_MAX, file)) > 0) {
packet.header.data_size = read;
@ -68,7 +73,8 @@ bool lm_mptp_sendfile(int sock, char *path, lm_mptp_transfer_callback_t callback
if(NULL != callback && !callback(path, current, st.st_size, data))
goto end_1;
lm_mptp_init(&packet, false, MPTP_S2C_COOL, false);
lm_mptp_free(&packet);
lm_mptp_new(&packet, false, MPTP_S2C_COOL, false);
}
if(current != total){
@ -78,14 +84,16 @@ bool lm_mptp_sendfile(int sock, char *path, lm_mptp_transfer_callback_t callback
}
pdebug(__func__, "completed sending %s, sending last packet", path);
lm_mptp_init(&packet, false, MPTP_S2C_COOL, true);
lm_mptp_new(&packet, false, MPTP_S2C_COOL, true);
lm_mptp_server_send(sock, &packet);
ret = true;
goto end_2;
end_1:
lm_mptp_init(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_free(&packet);
lm_mptp_new(&packet, false, MPTP_S2C_BRUH, true);
lm_mptp_server_send(sock, &packet);
lm_mptp_free(&packet);
end_2:
if(NULL != file)
fclose(file);
@ -108,6 +116,8 @@ bool lm_mptp_recvfile(int sock, char *path, lm_mptp_transfer_callback_t callback
bool ret = false;
lm_mptp_t packet;
lm_mptp_init(&packet);
if(NULL == file){
pdebug(__func__, "failed to open file: %s", path);
lm_error_set(LM_ERR_RecvOpenFail);
@ -176,6 +186,7 @@ bool lm_mptp_recvfile(int sock, char *path, lm_mptp_transfer_callback_t callback
ret = true;
end:
lm_mptp_free(&packet);
if(NULL != file)
fclose(file);
return ret;

View File

@ -106,9 +106,9 @@ bool lm_pool_info_download(lm_pool_t *pool, lm_mptp_transfer_callback_t callback
if((sock = lm_mptp_client_connect(pool->url.host, pool->url.port)) < 0)
return false;
lm_mptp_init(&packet, true, MPTP_C2S_INFO, true);
lm_mptp_new(&packet, true, MPTP_C2S_INFO, true);
lm_mptp_set_host(&packet, pool->url.host);
lm_mptp_set_data(&packet, pool->url.path, strlen(pool->url.path));
lm_mptp_set_path(&packet, pool->url.path);
if(!lm_mptp_client_send(sock, &packet)){
pdebug(__func__, "info file request failed for %s: %s", pool->name, lm_strerror());
@ -122,6 +122,7 @@ bool lm_pool_info_download(lm_pool_t *pool, lm_mptp_transfer_callback_t callback
ret = true;
end:
lm_mptp_free(&packet);
lm_mptp_close(sock);
if(ret)
ret = lm_pool_info_load(pool);

View File

@ -119,9 +119,9 @@ bool lm_pool_list_download(lm_pool_t *pool, char *dir, lm_mptp_transfer_callback
if((sock = lm_mptp_client_connect(pool->url.host, pool->url.port)) < 0)
return false;
lm_mptp_init(&packet, true, MPTP_C2S_LIST, true);
lm_mptp_new(&packet, true, MPTP_C2S_LIST, true);
lm_mptp_set_host(&packet, pool->url.host);
lm_mptp_set_data(&packet, pool->url.path, strlen(pool->url.path));
lm_mptp_set_path(&packet, pool->url.path);
if(!lm_mptp_client_send(sock, &packet)){
pdebug(__func__, "list file request failed for %s: %s", pool->name, lm_strerror());
@ -135,6 +135,7 @@ bool lm_pool_list_download(lm_pool_t *pool, char *dir, lm_mptp_transfer_callback
ret = true;
end:
lm_mptp_free(&packet);
lm_mptp_close(sock);
if(ret)
ret = lm_pool_list_load(pool, dir);

View File

@ -30,10 +30,10 @@ lm_pool_t *lm_pool_new(char *name, char *url) {
void lm_pool_test(lm_pool_t *pool) {
lm_mptp_t packet;
lm_mptp_init(&packet, true, MPTP_C2S_PING, true);
lm_mptp_new(&packet, true, MPTP_C2S_PING, true);
lm_mptp_set_host(&packet, pool->url.host);
lm_mptp_set_data(&packet, pool->url.path, strlen(pool->url.path));
lm_mptp_set_path(&packet, pool->url.path);
int sock = lm_mptp_client_connect(pool->url.host, pool->url.port);
if (sock == -1) {
@ -60,6 +60,7 @@ void lm_pool_test(lm_pool_t *pool) {
if(!pool->available)
lm_error_set(LM_ERR_PoolTestNotPong);
end:
lm_mptp_free(&packet);
lm_mptp_close(sock);
return;
}

View File

@ -108,7 +108,9 @@ bool copy_to_buffer(void *buffer, void *src, size_t size, ssize_t *total, ssize_
if (*used == 0)
bzero(buffer, *total);
memcpy(buffer + *used, src, size);
if (NULL != buffer && NULL != src && size > 0)
memcpy(buffer + *used, src, size);
*used += size;
return true;
}
@ -120,7 +122,9 @@ bool copy_from_buffer(void *dst, void *buffer, size_t size, ssize_t *total, ssiz
if (*used == 0)
bzero(dst, size);
memcpy(dst, buffer + *used, size);
if (NULL != buffer && NULL != dst && size > 0)
memcpy(dst, buffer + *used, size);
*used += size;
return true;
}
@ -582,3 +586,11 @@ bool is_dir_empty(char *p) {
closedir(fd);
return empty;
}
int digits(int n) {
if (n < 0)
return digits((n == INT_MIN) ? INT_MAX : -n);
if (n < 10)
return 1;
return 1 + digits(n / 10);
}