X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fmain.c;h=a9417500b4c5538b8472c3e661d9e9aae82f8dc2;hb=895bb0f2ce317cee72a33004286eb66ffc253304;hp=113039489e782d9ebb55e67ad8866640ec3fd297;hpb=5a9c21cc2cbff2eb640008a88bb857ea3a888aee;p=routeros-api.git diff --git a/src/main.c b/src/main.c index 1130394..a941750 100644 --- a/src/main.c +++ b/src/main.c @@ -1,5 +1,5 @@ /** - * libmikrotik - src/main.c + * librouteros - src/main.c * Copyright (C) 2009 Florian octo Forster * * This program is free software; you can redistribute it and/or modify it @@ -45,9 +45,9 @@ #include "routeros_api.h" #if 1 -# define mt_debug(...) fprintf (stdout, __VA_ARGS__) +# define ros_debug(...) fprintf (stdout, __VA_ARGS__) #else -# define mt_debug(...) /**/ +# define ros_debug(...) /**/ #endif /* FIXME */ @@ -56,27 +56,27 @@ char *strdup (const char *); /* * Private structures */ -struct mt_connection_s +struct ros_connection_s { int fd; }; -struct mt_reply_s +struct ros_reply_s { unsigned int params_num; char *status; char **keys; char **values; - mt_reply_t *next; + ros_reply_t *next; }; -struct mt_login_data_s +struct ros_login_data_s { const char *username; const char *password; }; -typedef struct mt_login_data_s mt_login_data_t; +typedef struct ros_login_data_s ros_login_data_t; /* * Private functions @@ -118,9 +118,9 @@ static int read_exact (int fd, void *buffer, size_t buffer_size) /* {{{ */ return (0); } /* }}} int read_exact */ -static mt_reply_t *reply_alloc (void) /* {{{ */ +static ros_reply_t *reply_alloc (void) /* {{{ */ { - mt_reply_t *r; + ros_reply_t *r; r = malloc (sizeof (*r)); if (r == NULL) @@ -132,9 +132,9 @@ static mt_reply_t *reply_alloc (void) /* {{{ */ r->next = NULL; return (r); -} /* }}} mt_reply_s *reply_alloc */ +} /* }}} ros_reply_s *reply_alloc */ -static int reply_add_keyval (mt_reply_t *r, const char *key, /* {{{ */ +static int reply_add_keyval (ros_reply_t *r, const char *key, /* {{{ */ const char *val) { char **tmp; @@ -165,7 +165,7 @@ static int reply_add_keyval (mt_reply_t *r, const char *key, /* {{{ */ return (0); } /* }}} int reply_add_keyval */ -static void reply_dump (const mt_reply_t *r) /* {{{ */ +static void reply_dump (const ros_reply_t *r) /* {{{ */ { if (r == NULL) return; @@ -189,9 +189,9 @@ static void reply_dump (const mt_reply_t *r) /* {{{ */ reply_dump (r->next); } /* }}} void reply_dump */ -static void reply_free (mt_reply_t *r) /* {{{ */ +static void reply_free (ros_reply_t *r) /* {{{ */ { - mt_reply_t *next; + ros_reply_t *next; unsigned int i; if (r == NULL) @@ -327,7 +327,7 @@ static int buffer_end (char **ret_buffer, size_t *ret_buffer_size) /* {{{ */ return (0); } /* }}} int buffer_end */ -static int send_command (mt_connection_t *c, /* {{{ */ +static int send_command (ros_connection_t *c, /* {{{ */ const char *command, size_t args_num, const char * const *args) { @@ -348,6 +348,7 @@ static int send_command (mt_connection_t *c, /* {{{ */ if (status != 0) return (status); + ros_debug ("send_command: command = %s;\n", command); status = buffer_add (&buffer_ptr, &buffer_size, command); if (status != 0) return (status); @@ -357,6 +358,7 @@ static int send_command (mt_connection_t *c, /* {{{ */ if (args[i] == NULL) return (EINVAL); + ros_debug ("send_command: arg[%zu] = %s;\n", i, args[i]); status = buffer_add (&buffer_ptr, &buffer_size, args[i]); if (status != 0) return (status); @@ -390,7 +392,7 @@ static int send_command (mt_connection_t *c, /* {{{ */ return (0); } /* }}} int send_command */ -static int read_word (mt_connection_t *c, /* {{{ */ +static int read_word (ros_connection_t *c, /* {{{ */ char *buffer, size_t *buffer_size) { size_t req_size; @@ -406,48 +408,48 @@ static int read_word (mt_connection_t *c, /* {{{ */ return (status); /* Calculate `req_size' */ - if (((unsigned char) buffer[0]) == 0xF0) /* {{{ */ + if (((unsigned char) word_length[0]) == 0xF0) /* {{{ */ { status = read_exact (c->fd, &word_length[1], 4); if (status != 0) return (status); - req_size = (buffer[1] << 24) - | (buffer[2] << 16) - | (buffer[3] << 8) - | buffer[4]; + req_size = (word_length[1] << 24) + | (word_length[2] << 16) + | (word_length[3] << 8) + | word_length[4]; } - else if ((buffer[0] & 0xE0) == 0xE0) + else if ((word_length[0] & 0xE0) == 0xE0) { status = read_exact (c->fd, &word_length[1], 3); if (status != 0) return (status); - req_size = ((buffer[0] & 0x1F) << 24) - | (buffer[1] << 16) - | (buffer[2] << 8) - | buffer[3]; + req_size = ((word_length[0] & 0x1F) << 24) + | (word_length[1] << 16) + | (word_length[2] << 8) + | word_length[3]; } - else if ((buffer[0] & 0xC0) == 0xC0) + else if ((word_length[0] & 0xC0) == 0xC0) { status = read_exact (c->fd, &word_length[1], 2); if (status != 0) return (status); - req_size = ((buffer[0] & 0x3F) << 16) - | (buffer[1] << 8) - | buffer[2]; + req_size = ((word_length[0] & 0x3F) << 16) + | (word_length[1] << 8) + | word_length[2]; } - else if ((buffer[0] & 0x80) == 0x80) + else if ((word_length[0] & 0x80) == 0x80) { status = read_exact (c->fd, &word_length[1], 1); if (status != 0) return (status); - req_size = ((buffer[0] & 0x7F) << 8) - | buffer[1]; + req_size = ((word_length[0] & 0x7F) << 8) + | word_length[1]; } - else if ((buffer[0] & 0x80) == 0) + else if ((word_length[0] & 0x80) == 0) { req_size = (size_t) word_length[0]; } @@ -476,17 +478,17 @@ static int read_word (mt_connection_t *c, /* {{{ */ return (0); } /* }}} int buffer_decode_next */ -static mt_reply_t *receive_reply (mt_connection_t *c) /* {{{ */ +static ros_reply_t *receive_sentence (ros_connection_t *c) /* {{{ */ { char buffer[4096]; size_t buffer_size; int status; - mt_reply_t *head; - mt_reply_t *tail; + ros_reply_t *r; - head = NULL; - tail = NULL; + r = reply_alloc (); + if (r == NULL) + return (NULL); while (42) { @@ -503,33 +505,11 @@ static mt_reply_t *receive_reply (mt_connection_t *c) /* {{{ */ if (buffer[0] == '!') /* {{{ */ { - mt_reply_t *tmp; - - tmp = reply_alloc (); - if (tmp == NULL) - { - status = ENOMEM; + if (r->status != NULL) + free (r->status); + r->status = strdup (&buffer[1]); + if (r->status == NULL) break; - } - - tmp->status = strdup (&buffer[1]); - if (tmp->status == NULL) - { - reply_free (tmp); - status = ENOMEM; - break; - } - - if (tail == NULL) - { - head = tmp; - tail = tmp; - } - else - { - tail->next = tmp; - tail = tmp; - } } /* }}} if (buffer[0] == '!') */ else if (buffer[0] == '=') /* {{{ */ { @@ -546,22 +526,56 @@ static mt_reply_t *receive_reply (mt_connection_t *c) /* {{{ */ *val = 0; val++; - reply_add_keyval (tail, key, val); + reply_add_keyval (r, key, val); } /* }}} if (buffer[0] == '=') */ else { - printf ("Ignoring unknown word: %s\n", buffer); + ros_debug ("receive_sentence: Ignoring unknown word: %s\n", buffer); } } /* while (42) */ - if (status != 0) + if (r->status == NULL) { - reply_free (head); + reply_free (r); return (NULL); } + return (r); +} /* }}} ros_reply_t *receive_sentence */ + +static ros_reply_t *receive_reply (ros_connection_t *c) /* {{{ */ +{ + ros_reply_t *head; + ros_reply_t *tail; + + head = NULL; + tail = NULL; + + while (42) + { + ros_reply_t *tmp; + + tmp = receive_sentence (c); + if (tmp == NULL) + break; + + if (tail == NULL) + { + head = tmp; + tail = tmp; + } + else + { + tail->next = tmp; + tail = tmp; + } + + if (strcmp ("done", tmp->status) == 0) + break; + } /* while (42) */ + return (head); -} /* }}} mt_reply_t *receive_reply */ +} /* }}} ros_reply_t *receive_reply */ static int create_socket (const char *node, const char *service) /* {{{ */ { @@ -570,7 +584,7 @@ static int create_socket (const char *node, const char *service) /* {{{ */ struct addrinfo *ai_ptr; int status; - mt_debug ("create_socket (node = %s, service = %s);\n", + ros_debug ("create_socket (node = %s, service = %s);\n", node, service); memset (&ai_hint, 0, sizeof (ai_hint)); @@ -595,14 +609,14 @@ static int create_socket (const char *node, const char *service) /* {{{ */ ai_ptr->ai_protocol); if (fd < 0) { - mt_debug ("create_socket: socket(2) failed.\n"); + ros_debug ("create_socket: socket(2) failed.\n"); continue; } status = connect (fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen); if (status != 0) { - mt_debug ("create_socket: connect(2) failed.\n"); + ros_debug ("create_socket: connect(2) failed.\n"); close (fd); continue; } @@ -615,7 +629,7 @@ static int create_socket (const char *node, const char *service) /* {{{ */ return (-1); } /* }}} int create_socket */ -static int login2_handler (mt_connection_t *c, const mt_reply_t *r, /* {{{ */ +static int login2_handler (ros_connection_t *c, const ros_reply_t *r, /* {{{ */ void *user_data) { if (r == NULL) @@ -624,6 +638,18 @@ static int login2_handler (mt_connection_t *c, const mt_reply_t *r, /* {{{ */ printf ("login2_handler has been called.\n"); reply_dump (r); + if (strcmp (r->status, "trap") == 0) + { + ros_debug ("login2_handler: Logging in failed: %s.\n", + ros_reply_param_val_by_key (r, "message")); + return (EACCES); + } + else if (strcmp (r->status, "done") != 0) + { + ros_debug ("login2_handler: Unexpected status: %s.\n", r->status); + return (EPROTO); + } + return (0); } /* }}} int login2_handler */ @@ -680,13 +706,13 @@ static void make_password_hash (char response_hex[33], /* {{{ */ hash_binary_to_hex (response_hex, response_bin); } /* }}} void make_password_hash */ -static int login_handler (mt_connection_t *c, const mt_reply_t *r, /* {{{ */ +static int login_handler (ros_connection_t *c, const ros_reply_t *r, /* {{{ */ void *user_data) { const char *ret; char challenge_hex[33]; char response_hex[33]; - mt_login_data_t *login_data; + ros_login_data_t *login_data; const char *params[2]; char param_name[1024]; @@ -695,24 +721,37 @@ static int login_handler (mt_connection_t *c, const mt_reply_t *r, /* {{{ */ if (r == NULL) return (EINVAL); + /* The expected result looks like this: + * -- 8< -- + * !done + * =ret=ebddd18303a54111e2dea05a92ab46b4 + * -- >8 -- + */ + printf ("login_handler has been called.\n"); reply_dump (r); + if (strcmp (r->status, "done") != 0) + { + ros_debug ("login_handler: Unexpected status: %s.\n", r->status); + return (EPROTO); + } + login_data = user_data; if (login_data == NULL) return (EINVAL); - ret = mt_reply_param_val_by_key (r, "ret"); + ret = ros_reply_param_val_by_key (r, "ret"); if (ret == NULL) { - mt_debug ("login_handler: Reply does not have parameter \"ret\".\n"); + ros_debug ("login_handler: Reply does not have parameter \"ret\".\n"); return (EPROTO); } - mt_debug ("login_handler: ret = %s;\n", ret); + ros_debug ("login_handler: ret = %s;\n", ret); if (strlen (ret) != 32) { - mt_debug ("login_handler: Unexpected length of the \"ret\" argument.\n"); + ros_debug ("login_handler: Unexpected length of the \"ret\" argument.\n"); return (EPROTO); } strcpy (challenge_hex, ret); @@ -727,20 +766,20 @@ static int login_handler (mt_connection_t *c, const mt_reply_t *r, /* {{{ */ params[0] = param_name; params[1] = param_response; - return (mt_query (c, "/login", 2, params, login2_handler, + return (ros_query (c, "/login", 2, params, login2_handler, /* user data = */ NULL)); } /* }}} int login_handler */ /* * Public functions */ -mt_connection_t *mt_connect (const char *node, const char *service, /* {{{ */ +ros_connection_t *ros_connect (const char *node, const char *service, /* {{{ */ const char *username, const char *password) { int fd; - mt_connection_t *c; + ros_connection_t *c; int status; - mt_login_data_t user_data; + ros_login_data_t user_data; if ((node == NULL) || (username == NULL) || (password == NULL)) return (NULL); @@ -761,13 +800,20 @@ mt_connection_t *mt_connect (const char *node, const char *service, /* {{{ */ user_data.username = username; user_data.password = password; - status = mt_query (c, "/login", /* args num = */ 0, /* args = */ NULL, + status = ros_query (c, "/login", /* args num = */ 0, /* args = */ NULL, login_handler, &user_data); + if (status != 0) + { + ros_disconnect (c); + errno = status; + return (NULL); + } + return (c); -} /* }}} mt_connection_t *mt_connect */ +} /* }}} ros_connection_t *ros_connect */ -int mt_disconnect (mt_connection_t *c) /* {{{ */ +int ros_disconnect (ros_connection_t *c) /* {{{ */ { if (c == NULL) return (EINVAL); @@ -781,15 +827,15 @@ int mt_disconnect (mt_connection_t *c) /* {{{ */ free (c); return (0); -} /* }}} int mt_disconnect */ +} /* }}} int ros_disconnect */ -int mt_query (mt_connection_t *c, /* {{{ */ +int ros_query (ros_connection_t *c, /* {{{ */ const char *command, size_t args_num, const char * const *args, - mt_reply_handler_t handler, void *user_data) + ros_reply_handler_t handler, void *user_data) { int status; - mt_reply_t *r; + ros_reply_t *r; status = send_command (c, command, args_num, args); if (status != 0) @@ -807,36 +853,36 @@ int mt_query (mt_connection_t *c, /* {{{ */ /* ... and return. */ return (status); -} /* }}} int mt_query */ +} /* }}} int ros_query */ -const mt_reply_t *mt_reply_next (const mt_reply_t *r) /* {{{ */ +const ros_reply_t *ros_reply_next (const ros_reply_t *r) /* {{{ */ { if (r == NULL) return (NULL); return (r->next); -} /* }}} mt_reply_t *mt_reply_next */ +} /* }}} ros_reply_t *ros_reply_next */ -int mt_reply_num (const mt_reply_t *r) /* {{{ */ +int ros_reply_num (const ros_reply_t *r) /* {{{ */ { int ret; - const mt_reply_t *ptr; + const ros_reply_t *ptr; ret = 0; for (ptr = r; ptr != NULL; ptr = ptr->next) ret++; return (ret); -} /* }}} int mt_reply_num */ +} /* }}} int ros_reply_num */ -const char *mt_reply_status (const mt_reply_t *r) /* {{{ */ +const char *ros_reply_status (const ros_reply_t *r) /* {{{ */ { if (r == NULL) return (NULL); return (r->status); -} /* }}} char *mt_reply_status */ +} /* }}} char *ros_reply_status */ -const char *mt_reply_param_key_by_index (const mt_reply_t *r, /* {{{ */ +const char *ros_reply_param_key_by_index (const ros_reply_t *r, /* {{{ */ unsigned int index) { if (r == NULL) @@ -846,9 +892,9 @@ const char *mt_reply_param_key_by_index (const mt_reply_t *r, /* {{{ */ return (NULL); return (r->keys[index]); -} /* }}} char *mt_reply_param_key_by_index */ +} /* }}} char *ros_reply_param_key_by_index */ -const char *mt_reply_param_val_by_index (const mt_reply_t *r, /* {{{ */ +const char *ros_reply_param_val_by_index (const ros_reply_t *r, /* {{{ */ unsigned int index) { if (r == NULL) @@ -858,9 +904,9 @@ const char *mt_reply_param_val_by_index (const mt_reply_t *r, /* {{{ */ return (NULL); return (r->values[index]); -} /* }}} char *mt_reply_param_key_by_index */ +} /* }}} char *ros_reply_param_key_by_index */ -const char *mt_reply_param_val_by_key (const mt_reply_t *r, /* {{{ */ +const char *ros_reply_param_val_by_key (const ros_reply_t *r, /* {{{ */ const char *key) { unsigned int i; @@ -873,6 +919,16 @@ const char *mt_reply_param_val_by_key (const mt_reply_t *r, /* {{{ */ return (r->values[i]); return (NULL); -} /* }}} char *mt_reply_param_val_by_key */ +} /* }}} char *ros_reply_param_val_by_key */ + +int ros_version (void) /* {{{ */ +{ + return (ROS_VERSION); +} /* }}} int ros_version */ + +const char *ros_version_string (void) /* {{{ */ +{ + return (ROS_VERSION_STRING); +} /* }}} char *ros_version_string */ /* vim: set ts=2 sw=2 noet fdm=marker : */