1 | /* |
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2 | * |
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3 | * Author : Gérald FENOY |
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4 | * |
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5 | * Copyright 2017 GeoLabs SARL. All rights reserved. |
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6 | * |
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7 | * This work was supported by public funds received in the framework of GEOSUD, |
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8 | * a project (ANR-10-EQPX-20) of the program "Investissements d'Avenir" managed |
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9 | * by the French National Research Agency |
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10 | * |
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11 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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12 | * of this software and associated documentation files (the "Software"), to deal |
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13 | * in the Software without restriction, including without limitation the rights |
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14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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15 | * copies of the Software, and to permit persons to whom the Software is |
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16 | * furnished to do so, subject to the following conditions: |
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17 | * |
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18 | * The above copyright notice and this permission notice shall be included in |
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19 | * all copies or substantial portions of the Software. |
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20 | * |
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21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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27 | * THE SOFTWARE. |
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28 | */ |
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29 | |
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30 | #include "sshapi.h" |
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31 | #include "service_internal.h" |
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32 | |
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33 | SSHCON *sessions[MAX_PARALLEL_SSH_CON]; |
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34 | |
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35 | /** |
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36 | * Wait until one or more file descriptor has been changed for the socket for a |
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37 | * time defined by timeout |
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38 | * @param socket_fd int defining the sockket file descriptor |
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39 | * @param session an exeisting LIBSSH2_SESSION |
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40 | */ |
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41 | int waitsocket(int socket_fd, LIBSSH2_SESSION *session) |
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42 | { |
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43 | struct timeval timeout; |
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44 | int rc; |
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45 | fd_set fd; |
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46 | fd_set *writefd = NULL; |
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47 | fd_set *readfd = NULL; |
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48 | int dir; |
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49 | |
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50 | timeout.tv_sec = 10; |
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51 | timeout.tv_usec = 0; |
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52 | |
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53 | FD_ZERO(&fd); |
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54 | |
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55 | FD_SET(socket_fd, &fd); |
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56 | |
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57 | /* now make sure we wait in the correct direction */ |
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58 | dir = libssh2_session_block_directions(session); |
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59 | |
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60 | |
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61 | if(dir & LIBSSH2_SESSION_BLOCK_INBOUND) |
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62 | readfd = &fd; |
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63 | |
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64 | if(dir & LIBSSH2_SESSION_BLOCK_OUTBOUND) |
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65 | writefd = &fd; |
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66 | |
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67 | rc = select(socket_fd + 1, readfd, writefd, NULL, &timeout); |
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68 | |
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69 | return rc; |
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70 | } |
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71 | |
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72 | /** |
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73 | * Connect to a remote host using SSH protocol |
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74 | * @param conf maps The main configuration maps |
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75 | * @return the libssh2 sessions pointer or NULL in case any failure occured. |
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76 | */ |
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77 | SSHCON *ssh_connect(maps* conf){ |
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78 | unsigned long hostaddr; |
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79 | int i, use_pw = 1; |
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80 | struct sockaddr_in sin; |
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81 | const char *fingerprint; |
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82 | SSHCON *result=(SSHCON*)malloc((2*sizeof(int))+sizeof(LIBSSH2_SESSION*)+sizeof(LIBSSH2_SFTP*)); |
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83 | result->sock_id=NULL; |
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84 | result->index=NULL; |
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85 | result->session=NULL; |
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86 | result->sftp_session=NULL; |
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87 | const char *user; |
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88 | const char *password=NULL; |
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89 | const char *public_key; |
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90 | char *private_key; |
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91 | int rc; |
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92 | FILE *local; |
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93 | char mem[1024 * 1000]; |
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94 | char error[1024]; |
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95 | int port=22; |
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96 | |
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97 | map* hpc_config=getMapFromMaps(conf,"lenv","configId"); |
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98 | map* hpc_host=getMapFromMaps(conf,hpc_config->value,"ssh_host"); |
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99 | map* hpc_port=getMapFromMaps(conf,hpc_config->value,"ssh_port"); |
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100 | map* hpc_user=getMapFromMaps(conf,hpc_config->value,"ssh_user"); |
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101 | map* hpc_password=getMapFromMaps(conf,hpc_config->value,"ssh_password"); |
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102 | map* hpc_public_key=getMapFromMaps(conf,hpc_config->value,"ssh_key"); |
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103 | |
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104 | char ip[100]; |
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105 | struct hostent *my_hostent; |
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106 | struct in_addr **addrs; |
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107 | |
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108 | if (hpc_host != NULL) { |
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109 | // Fetch ip address for the hostname |
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110 | if ( (my_hostent = gethostbyname( hpc_host->value ) ) == NULL){ |
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111 | herror("gethostbyname"); |
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112 | setMapInMaps(conf,"lenv","message",_("Issue when invoking gethostbyname!")); |
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113 | return NULL; |
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114 | } |
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115 | |
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116 | addrs = (struct in_addr **) my_hostent->h_addr_list; |
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117 | |
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118 | for(i = 0; addrs[i] != NULL; i++) { |
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119 | strcpy(ip , inet_ntoa(*addrs[i]) ); |
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120 | break; |
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121 | } |
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122 | } |
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123 | |
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124 | #ifdef WIN32 |
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125 | WSADATA wsadata; |
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126 | int err; |
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127 | err = WSAStartup(MAKEWORD(2,0), &wsadata); |
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128 | if (err != 0) { |
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129 | sprintf(error, "WSAStartup failed with error: %d\n", err); |
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130 | setMapInMaps(conf,"lenv","message",error); |
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131 | return NULL; |
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132 | } |
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133 | #endif |
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134 | |
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135 | if (hpc_host != NULL) { |
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136 | hostaddr = inet_addr(ip); |
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137 | } else { |
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138 | setMapInMaps(conf,"lenv","message","No host parameter found in your main.cfg file!\n"); |
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139 | return NULL; |
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140 | } |
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141 | |
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142 | // Default port is 22 |
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143 | if(hpc_port!=NULL){ |
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144 | port=atoi(hpc_port->value); |
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145 | } |
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146 | |
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147 | // In case there is no HPC > user the it must failed |
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148 | if (hpc_user != NULL) { |
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149 | user = hpc_user->value; |
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150 | }else{ |
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151 | setMapInMaps(conf,"lenv","message","No user parameter found in your main.cfg file!"); |
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152 | return NULL; |
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153 | } |
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154 | |
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155 | // TODO: in case password is available but there is also the public key |
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156 | // defined, then we can consider this password as the pass phrase. |
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157 | if (hpc_password != NULL) { |
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158 | password = hpc_password->value; |
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159 | }else{ |
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160 | use_pw=-1; |
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161 | if (hpc_public_key != NULL) { |
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162 | public_key = hpc_public_key->value; |
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163 | private_key = strdup(hpc_public_key->value); |
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164 | private_key[strlen(public_key)-4]=0; |
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165 | }else{ |
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166 | setMapInMaps(conf,"lenv","message","No method found to authenticate!"); |
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167 | return NULL; |
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168 | } |
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169 | } |
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170 | |
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171 | rc = libssh2_init (0); |
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172 | if (rc != 0) { |
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173 | sprintf (error, "libssh2 initialization failed (%d)\n", rc); |
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174 | setMapInMaps(conf,"lenv","message",error); |
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175 | return NULL; |
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176 | } |
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177 | |
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178 | result->sock_id = socket(AF_INET, SOCK_STREAM, 0); |
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179 | sin.sin_family = AF_INET; |
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180 | sin.sin_port = htons(port); |
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181 | sin.sin_addr.s_addr = hostaddr; |
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182 | if (connect(result->sock_id, (struct sockaddr*)(&sin),sizeof(struct sockaddr_in)) != 0) { |
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183 | setMapInMaps(conf,"lenv","message","Failed to connect to remote host!"); |
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184 | return NULL; |
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185 | } |
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186 | |
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187 | result->session = libssh2_session_init(); |
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188 | result->sftp_session = NULL; |
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189 | map* tmp=getMapFromMaps(conf,"lenv","nb_sessions"); |
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190 | if(tmp!=NULL){ |
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191 | char nb_sessions[10]; |
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192 | int nb_sess=atoi(tmp->value); |
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193 | sprintf(nb_sessions,"%d",nb_sess+1); |
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194 | setMapInMaps(conf,"lenv","nb_sessions",nb_sessions); |
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195 | result->index=nb_sess+1; |
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196 | sessions[nb_sess+1]=result; |
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197 | }else{ |
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198 | setMapInMaps(conf,"lenv","nb_sessions","0"); |
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199 | sessions[0]=result; |
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200 | result->index=0; |
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201 | } |
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202 | |
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203 | if (!result->session) |
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204 | return NULL; |
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205 | |
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206 | libssh2_session_set_blocking(result->session, 1); |
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207 | |
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208 | while ((rc = libssh2_session_handshake(result->session, result->sock_id)) |
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209 | == LIBSSH2_ERROR_EAGAIN); |
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210 | |
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211 | if (rc) { |
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212 | sprintf(error, "Failure establishing SSH session: %d\n", rc); |
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213 | setMapInMaps(conf,"lenv","message",error); |
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214 | return NULL; |
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215 | } |
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216 | |
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217 | fingerprint = libssh2_hostkey_hash(result->session, LIBSSH2_HOSTKEY_HASH_SHA1); |
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218 | |
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219 | if (use_pw>0) { |
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220 | while ((rc = libssh2_userauth_password(result->session, user, password)) == |
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221 | LIBSSH2_ERROR_EAGAIN); |
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222 | if (rc) { |
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223 | setMapInMaps(conf,"lenv","message","Authentication by password failed."); |
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224 | ssh_close(conf); |
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225 | return NULL; |
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226 | } |
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227 | } else { |
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228 | while ((rc = libssh2_userauth_publickey_fromfile(result->session, user, |
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229 | public_key, |
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230 | private_key, |
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231 | password)) == |
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232 | LIBSSH2_ERROR_EAGAIN); |
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233 | if (rc) { |
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234 | setMapInMaps(conf,"lenv","message","Authentication by public key failed"); |
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235 | ssh_close(conf); |
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236 | return NULL; |
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237 | } |
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238 | free(private_key); |
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239 | } |
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240 | |
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241 | return result; |
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242 | |
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243 | } |
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244 | |
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245 | /** |
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246 | * Get the number of opened SSH connections |
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247 | * @param conf maps pointer to the main configuration maps |
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248 | * @return the number of opened SSH connections |
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249 | */ |
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250 | int ssh_get_cnt(maps* conf){ |
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251 | int result=0; |
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252 | map* myMap=getMapFromMaps(conf,"lenv","nb_sessions"); |
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253 | if(myMap!=NULL){ |
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254 | result=atoi(myMap->value); |
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255 | } |
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256 | return result; |
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257 | } |
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258 | |
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259 | /** |
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260 | * Verify if a file exists on the remote host |
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261 | * @param conf maps pointer to the main configuration maps |
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262 | * @param targetPath const char* defining the path for storing the file on the |
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263 | * remote host |
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264 | * @return true in case of success, false if failure occured |
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265 | */ |
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266 | size_t ssh_file_exists(maps* conf,const char* targetPath,int cnt){ |
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267 | size_t result=-1; |
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268 | if(cnt>0) |
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269 | cnt-=1; |
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270 | int rc; |
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271 | LIBSSH2_SFTP_ATTRIBUTES attrs; |
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272 | LIBSSH2_SFTP_HANDLE *sftp_handle; |
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273 | do{ |
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274 | sftp_handle = |
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275 | libssh2_sftp_open(sessions[cnt]->sftp_session, targetPath, LIBSSH2_FXF_READ, |
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276 | LIBSSH2_SFTP_S_IRUSR|LIBSSH2_SFTP_S_IWUSR| |
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277 | LIBSSH2_SFTP_S_IRGRP|LIBSSH2_SFTP_S_IROTH); |
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278 | if (!sftp_handle) { |
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279 | fprintf(stderr, "Unable to open file with SFTP: %d %ld\n",__LINE__, |
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280 | libssh2_sftp_last_error(sessions[cnt]->sftp_session)); |
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281 | return 0; |
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282 | } |
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283 | }while(!sftp_handle); |
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284 | #ifdef SSH_DEBUG |
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285 | fprintf(stderr, "libssh2_sftp_open() is done, get file information\n"); |
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286 | #endif |
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287 | do { |
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288 | rc = libssh2_sftp_stat_ex(sessions[cnt]->sftp_session, targetPath, strlen(targetPath), |
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289 | LIBSSH2_SFTP_LSTAT, &attrs ); |
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290 | if (rc<0 && |
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291 | (libssh2_session_last_errno(sessions[cnt]->session) != LIBSSH2_ERROR_EAGAIN)) |
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292 | { |
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293 | fprintf(stderr, "error trying to fstat_ex, returned %d\n", rc); |
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294 | break; |
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295 | } |
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296 | else |
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297 | { |
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298 | #ifdef SSH_DEBUG |
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299 | fprintf(stderr, "Stat Data: RetCode=%d\n", rc); |
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300 | fprintf(stderr, "Stat Data: Size=%llu\n", attrs.filesize); |
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301 | fprintf(stderr, "Stat Data: Perm=%lx\n", attrs.permissions); |
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302 | fprintf(stderr, "Stat Data: mtime=%lu\n", attrs.mtime); |
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303 | #endif |
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304 | if(rc==0) |
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305 | break; |
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306 | result=attrs.filesize; |
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307 | } |
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308 | } while (true); |
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309 | libssh2_sftp_close(sftp_handle); |
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310 | //libssh2_sftp_shutdown(sessions[cnt]->sftp_session); |
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311 | |
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312 | return result; |
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313 | } |
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314 | |
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315 | /** |
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316 | * Upload a file over an opened SSH connection |
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317 | * @param conf maps pointer to the main configuration maps |
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318 | * @param localPath const char* defining the local path for accessing the file |
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319 | * @param targetPath const char* defining the path for storing the file on the |
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320 | * remote host |
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321 | * @return true in case of success, false if failure occured |
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322 | */ |
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323 | bool ssh_copy(maps* conf,const char* localPath,const char* targetPath,int cnt){ |
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324 | char mem[1024 * 1000]; |
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325 | size_t nread; |
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326 | size_t memuse=0; |
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327 | time_t start; |
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328 | long total = 0; |
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329 | int duration; |
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330 | int rc; |
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331 | LIBSSH2_SFTP_HANDLE *sftp_handle; |
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332 | //map* myMap=getMapFromMaps(conf,"lenv","cnt_session"); |
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333 | if(getMapFromMaps(conf,"lenv","cnt_session")!=NULL){ |
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334 | char tmp[10]; |
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335 | sprintf(tmp,"%d",cnt+1); |
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336 | setMapInMaps(conf,"lenv","cnt_session",tmp); |
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337 | }else |
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338 | setMapInMaps(conf,"lenv","cnt_session","0"); |
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339 | FILE *local = fopen(localPath, "rb"); |
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340 | if (!local) { |
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341 | fprintf(stderr, "Can't open local file %s\n", localPath); |
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342 | return false; |
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343 | } |
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344 | |
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345 | do { |
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346 | sessions[cnt]->sftp_session = libssh2_sftp_init(sessions[cnt]->session); |
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347 | if (!sessions[cnt]->sftp_session && |
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348 | (libssh2_session_last_errno(sessions[cnt]->session) != LIBSSH2_ERROR_EAGAIN)) { |
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349 | |
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350 | fprintf(stderr, "Unable to init SFTP session\n"); |
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351 | return false; |
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352 | } |
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353 | if(!sessions[cnt]->sftp_session) |
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354 | zSleep(10); |
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355 | } while (!sessions[cnt]->sftp_session); |
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356 | |
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357 | do { |
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358 | sftp_handle = |
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359 | libssh2_sftp_open(sessions[cnt]->sftp_session, targetPath, |
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360 | LIBSSH2_FXF_WRITE|LIBSSH2_FXF_CREAT|LIBSSH2_FXF_TRUNC, |
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361 | LIBSSH2_SFTP_S_IRUSR|LIBSSH2_SFTP_S_IWUSR| |
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362 | LIBSSH2_SFTP_S_IRGRP|LIBSSH2_SFTP_S_IROTH); |
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363 | |
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364 | if (!sftp_handle && |
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365 | (libssh2_session_last_errno(sessions[cnt]->session) != LIBSSH2_ERROR_EAGAIN)) { |
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366 | |
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367 | fprintf(stderr, "Unable to open file with SFTP\n"); |
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368 | return false; |
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369 | } |
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370 | if(!sftp_handle) |
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371 | zSleep(10); |
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372 | } while (!sftp_handle); |
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373 | start = time(NULL); |
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374 | |
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375 | do { |
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376 | nread = fread(&mem[memuse], 1, sizeof(mem)-memuse, local); |
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377 | if (nread <= 0) { |
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378 | if (memuse > 0) |
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379 | nread = 0; |
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380 | else |
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381 | break; |
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382 | } |
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383 | memuse += nread; |
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384 | total += nread; |
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385 | |
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386 | while ((rc = libssh2_sftp_write(sftp_handle, mem, memuse)) == |
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387 | LIBSSH2_ERROR_EAGAIN) { |
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388 | waitsocket(sessions[cnt]->sock_id, sessions[cnt]->session); |
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389 | } |
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390 | if(rc < 0) |
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391 | break; |
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392 | |
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393 | if(memuse - rc) { |
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394 | memmove(&mem[0], &mem[rc], memuse - rc); |
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395 | memuse -= rc; |
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396 | } |
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397 | else |
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398 | memuse = 0; |
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399 | |
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400 | } while (rc > 0); |
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401 | |
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402 | duration = (int)(time(NULL)-start); |
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403 | fclose(local); |
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404 | libssh2_sftp_close_handle(sftp_handle); |
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405 | |
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406 | libssh2_sftp_shutdown(sessions[cnt]->sftp_session); |
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407 | return true; |
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408 | } |
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409 | |
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410 | /** |
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411 | * Download a file over an opened SSH connection |
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412 | * @param conf maps pointer to the main configuration maps |
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413 | * @param localPath const char* defining the local path for storing the file |
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414 | * @param targetPath const char* defining the path for accessing the file on the |
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415 | * remote host |
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416 | * @return 0 in case of success, -1 if failure occured |
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417 | */ |
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418 | int ssh_fetch(maps* conf,const char* localPath,const char* targetPath,int cnt){ |
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419 | size_t nread; |
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420 | size_t memuse=0; |
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421 | time_t start; |
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422 | long total = 0; |
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423 | int duration; |
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424 | int rc; |
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425 | LIBSSH2_SFTP_HANDLE *sftp_handle; |
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426 | FILE *local = fopen(localPath, "wb"); |
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427 | if (!local) { |
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428 | fprintf(stderr, "Can't open local file %s\n", localPath); |
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429 | return -1; |
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430 | } |
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431 | |
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432 | do { |
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433 | sessions[cnt]->sftp_session = libssh2_sftp_init(sessions[cnt]->session); |
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434 | if (!sessions[cnt]->sftp_session && |
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435 | (libssh2_session_last_errno(sessions[cnt]->session) != LIBSSH2_ERROR_EAGAIN)) { |
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436 | fprintf(stderr, "Unable to init SFTP session\n"); |
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437 | return -1; |
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438 | } |
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439 | if(!sessions[cnt]->sftp_session) |
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440 | zSleep(1); |
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441 | } while (!sessions[cnt]->sftp_session); |
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442 | do { |
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443 | sftp_handle = libssh2_sftp_open(sessions[cnt]->sftp_session, targetPath, |
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444 | LIBSSH2_FXF_READ, 0); |
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445 | if (!sftp_handle) { |
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446 | if (libssh2_session_last_errno(sessions[cnt]->session) != LIBSSH2_ERROR_EAGAIN) { |
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447 | fprintf(stderr, " ** Unable to open file with SFTP\n"); |
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448 | return -1; |
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449 | } |
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450 | else { |
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451 | waitsocket(sessions[cnt]->sock_id, sessions[cnt]->session); |
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452 | } |
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453 | } |
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454 | if(!sftp_handle) |
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455 | zSleep(1); |
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456 | } while (!sftp_handle); |
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457 | |
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458 | int result=0; |
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459 | do { |
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460 | do { |
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461 | char* mem=(char*)malloc(16*1024*1024); |
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462 | rc = libssh2_sftp_read(sftp_handle, mem,16*1024*1024); |
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463 | if(rc > 0) { |
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464 | fwrite(mem, rc, 1, local); |
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465 | } |
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466 | free(mem); |
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467 | } while (rc > 0); |
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468 | |
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469 | if(rc != LIBSSH2_ERROR_EAGAIN) { |
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470 | result=-1; |
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471 | break; |
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472 | } |
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473 | |
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474 | struct timeval timeout; |
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475 | fd_set fd; |
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476 | timeout.tv_sec = 10; |
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477 | timeout.tv_usec = 0; |
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478 | |
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479 | FD_ZERO(&fd); |
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480 | |
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481 | FD_SET(sessions[cnt]->sock_id, &fd); |
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482 | |
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483 | rc = select(sessions[cnt]->sock_id+1, &fd, &fd, NULL, &timeout); |
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484 | if(rc <= 0) { |
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485 | if(rc==0) |
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486 | fprintf(stderr, "SFTP download timed out: %d\n", rc); |
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487 | else |
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488 | fprintf(stderr, "SFTP download error: %d\n", rc); |
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489 | return -1; |
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490 | } |
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491 | |
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492 | } while (1); |
---|
493 | duration = (int)(time(NULL)-start); |
---|
494 | fclose(local); |
---|
495 | libssh2_sftp_close_handle(sftp_handle); |
---|
496 | libssh2_sftp_shutdown(sessions[cnt]->sftp_session); |
---|
497 | return 0; |
---|
498 | } |
---|
499 | |
---|
500 | /** |
---|
501 | * Execute a command over an opened SSH connection |
---|
502 | * @param conf maps pointer to the main configuration maps |
---|
503 | * @param command const char pointer to the command to be executed |
---|
504 | * @return bytecount resulting from the execution of the command |
---|
505 | */ |
---|
506 | int ssh_exec(maps* conf,const char* command,int cnt){ |
---|
507 | LIBSSH2_CHANNEL *channel; |
---|
508 | int rc; |
---|
509 | int bytecount = 0; |
---|
510 | int exitcode; |
---|
511 | char *exitsignal=(char *)"none"; |
---|
512 | while( (channel = libssh2_channel_open_session(sessions[cnt]->session)) == NULL && |
---|
513 | libssh2_session_last_error(sessions[cnt]->session,NULL,NULL,0) == LIBSSH2_ERROR_EAGAIN ) { |
---|
514 | waitsocket(sessions[cnt]->sock_id, sessions[cnt]->session); |
---|
515 | } |
---|
516 | if( channel == NULL ){ |
---|
517 | fprintf(stderr,"Error\n"); |
---|
518 | return -1; |
---|
519 | } |
---|
520 | while( (rc = libssh2_channel_exec(channel, command)) == LIBSSH2_ERROR_EAGAIN ) { |
---|
521 | waitsocket(sessions[cnt]->sock_id, sessions[cnt]->session); |
---|
522 | } |
---|
523 | if( rc != 0 ) { |
---|
524 | fprintf(stderr,"Error\n"); |
---|
525 | return -1; |
---|
526 | } |
---|
527 | |
---|
528 | map* tmpPath=getMapFromMaps(conf,"main","tmpPath"); |
---|
529 | map* uuid=getMapFromMaps(conf,"lenv","usid"); |
---|
530 | char *logPath=(char*)malloc((strlen(tmpPath->value)+strlen(uuid->value)+11)*sizeof(char)); |
---|
531 | sprintf(logPath,"%s/exec_out_%s",tmpPath->value,uuid->value); |
---|
532 | |
---|
533 | FILE* logFile=fopen(logPath,"wb"); |
---|
534 | free(logPath); |
---|
535 | while(true){ |
---|
536 | int rc; |
---|
537 | do { |
---|
538 | char buffer[0x4000]; |
---|
539 | rc = libssh2_channel_read( channel, buffer, sizeof(buffer) ); |
---|
540 | |
---|
541 | if( rc > 0 ){ |
---|
542 | int i; |
---|
543 | bytecount += rc; |
---|
544 | buffer[rc]=0; |
---|
545 | |
---|
546 | fprintf(logFile,"%s",buffer); |
---|
547 | fflush(logFile); |
---|
548 | } |
---|
549 | } |
---|
550 | while( rc > 0 ); |
---|
551 | |
---|
552 | if( rc == LIBSSH2_ERROR_EAGAIN ) { |
---|
553 | waitsocket(sessions[cnt]->sock_id, sessions[cnt]->session); |
---|
554 | } |
---|
555 | else |
---|
556 | break; |
---|
557 | } |
---|
558 | fclose(logFile); |
---|
559 | exitcode = 127; |
---|
560 | while( (rc = libssh2_channel_close(channel)) == LIBSSH2_ERROR_EAGAIN ) |
---|
561 | waitsocket(sessions[cnt]->sock_id, sessions[cnt]->session); |
---|
562 | |
---|
563 | if( rc == 0 ) { |
---|
564 | exitcode = libssh2_channel_get_exit_status( channel ); |
---|
565 | libssh2_channel_get_exit_signal(channel, &exitsignal, |
---|
566 | NULL, NULL, NULL, NULL, NULL); |
---|
567 | } |
---|
568 | |
---|
569 | if (exitsignal) |
---|
570 | fprintf(stderr, "\nGot signal: %s\n", exitsignal); |
---|
571 | else |
---|
572 | fprintf(stderr, "\nEXIT: %d bytecount: %d\n", exitcode, bytecount); |
---|
573 | |
---|
574 | libssh2_channel_free(channel); |
---|
575 | |
---|
576 | return bytecount; |
---|
577 | } |
---|
578 | |
---|
579 | /** |
---|
580 | * Close an opened SSH connection |
---|
581 | * @param conf maps pointer to the main configuration maps |
---|
582 | * @param con SSHCON pointer to the SSH connection |
---|
583 | * @return true in case of success, false if failure occured |
---|
584 | */ |
---|
585 | bool ssh_close_session(maps* conf,SSHCON* con){ |
---|
586 | if(con==NULL) |
---|
587 | return true; |
---|
588 | while (libssh2_session_disconnect(con->session, "Normal Shutdown, Thank you for using the ZOO-Project sshapi") |
---|
589 | == LIBSSH2_ERROR_EAGAIN); |
---|
590 | #ifdef WIN32 |
---|
591 | closesocket(con->sock_id); |
---|
592 | #else |
---|
593 | close(con->sock_id); |
---|
594 | #endif |
---|
595 | libssh2_session_free(con->session); |
---|
596 | con=NULL; |
---|
597 | return true; |
---|
598 | } |
---|
599 | |
---|
600 | /** |
---|
601 | * Close all the opened SSH connections |
---|
602 | * @param conf maps pointer to the main configuration maps |
---|
603 | * @return true in case of success, false if failure occured |
---|
604 | */ |
---|
605 | bool ssh_close(maps* conf){ |
---|
606 | int i,nb_sessions; |
---|
607 | map* tmp=getMapFromMaps(conf,"lenv","nb_sessions"); |
---|
608 | if(tmp!=NULL){ |
---|
609 | nb_sessions=atoi(tmp->value); |
---|
610 | for(i=0;i<nb_sessions;i++) |
---|
611 | ssh_close_session(conf,sessions[i]); |
---|
612 | } |
---|
613 | libssh2_exit(); |
---|
614 | return true; |
---|
615 | } |
---|
616 | |
---|
617 | bool addToUploadQueue(maps** conf,maps* input){ |
---|
618 | map* queueMap=getMapFromMaps(*conf,"uploadQueue","length"); |
---|
619 | if(queueMap==NULL){ |
---|
620 | maps* queueMaps=createMaps("uploadQueue"); |
---|
621 | queueMaps->content=createMap("length","0"); |
---|
622 | addMapsToMaps(conf,queueMaps); |
---|
623 | freeMaps(&queueMaps); |
---|
624 | free(queueMaps); |
---|
625 | queueMap=getMapFromMaps(*conf,"uploadQueue","length"); |
---|
626 | } |
---|
627 | maps* queueMaps=getMaps(*conf,"uploadQueue"); |
---|
628 | int queueIndex=atoi(queueMap->value); |
---|
629 | if(input!=NULL){ |
---|
630 | if(getMap(input->content,"cache_file")!=NULL){ |
---|
631 | map* length=getMap(input->content,"length"); |
---|
632 | if(length==NULL){ |
---|
633 | addToMap(input->content,"length","1"); |
---|
634 | length=getMap(input->content,"length"); |
---|
635 | } |
---|
636 | int len=atoi(length->value); |
---|
637 | int i=0; |
---|
638 | for(i=0;i<len;i++){ |
---|
639 | |
---|
640 | map* tmp[2]={getMapArray(input->content,"localPath",i), |
---|
641 | getMapArray(input->content,"targetPath",i)}; |
---|
642 | |
---|
643 | setMapArray(queueMaps->content,"input",queueIndex+i,input->name); |
---|
644 | setMapArray(queueMaps->content,"localPath",queueIndex+i,tmp[0]->value); |
---|
645 | setMapArray(queueMaps->content,"targetPath",queueIndex+i,tmp[1]->value); |
---|
646 | |
---|
647 | } |
---|
648 | } |
---|
649 | } |
---|
650 | return true; |
---|
651 | } |
---|
652 | |
---|
653 | int fileMd5Check(maps** conf,const char* localPath,const char* targetPath){ |
---|
654 | if(strstr(localPath,".zca")!=NULL){ |
---|
655 | char *logPath=NULL; |
---|
656 | char *command=(char*)malloc(((2*strlen(targetPath))+42)*sizeof(char)); |
---|
657 | sprintf(command,"(md5sum %s | awk {'print $1'}) && touch %s",targetPath,targetPath); |
---|
658 | if(ssh_exec(*conf,command,ssh_get_cnt(*conf))<=0){ |
---|
659 | return -1; |
---|
660 | }else{ |
---|
661 | struct stat f_status={}; |
---|
662 | map* usid=getMapFromMaps(*conf,"lenv","usid"); |
---|
663 | map* tmpMap=getMapFromMaps(*conf,"main","tmpPath"); |
---|
664 | char* tmpPath=zStrdup(localPath); |
---|
665 | tmpPath[strlen(tmpPath)-2]='m'; |
---|
666 | tmpPath[strlen(tmpPath)-1]='d'; |
---|
667 | free(command); |
---|
668 | logPath=(char*)malloc((strlen(tmpMap->value)+strlen(usid->value)+11)*sizeof(char)); |
---|
669 | sprintf(logPath,"%s/exec_out_%s",tmpMap->value,usid->value); |
---|
670 | int ts=stat(logPath, &f_status); |
---|
671 | if(ts==0) { |
---|
672 | char* fcontent=(char*)malloc(sizeof(char)*(f_status.st_size+1)); |
---|
673 | FILE* f=fopen(logPath,"rb"); |
---|
674 | fread(fcontent,f_status.st_size,1,f); |
---|
675 | fcontent[f_status.st_size-1]=0; |
---|
676 | fclose(f); |
---|
677 | free(logPath); |
---|
678 | struct stat f_status1={}; |
---|
679 | int ts1=stat(tmpPath, &f_status1); |
---|
680 | if(ts1==0) { |
---|
681 | char* fcontent1=(char*)malloc(sizeof(char)*(f_status.st_size+1)); |
---|
682 | FILE* f1=fopen(tmpPath,"rb"); |
---|
683 | fread(fcontent1,f_status1.st_size,1,f1); |
---|
684 | fcontent1[f_status1.st_size]=0; |
---|
685 | fclose(f1); |
---|
686 | free(tmpPath); |
---|
687 | if(strcmp(fcontent,fcontent1)==0){ |
---|
688 | free(fcontent); |
---|
689 | free(fcontent1); |
---|
690 | return 0; |
---|
691 | }else{ |
---|
692 | free(fcontent); |
---|
693 | free(fcontent1); |
---|
694 | return -1; |
---|
695 | } |
---|
696 | }else{ |
---|
697 | free(tmpPath); |
---|
698 | free(fcontent); |
---|
699 | return -1; |
---|
700 | } |
---|
701 | } |
---|
702 | free(logPath); |
---|
703 | free(tmpPath); |
---|
704 | } |
---|
705 | } |
---|
706 | return -1; |
---|
707 | } |
---|
708 | |
---|
709 | bool runUpload(maps** conf){ |
---|
710 | SSHCON *test=ssh_connect(*conf); |
---|
711 | if(test==NULL){ |
---|
712 | return false; |
---|
713 | } |
---|
714 | map* queueLengthMap=getMapFromMaps(*conf,"uploadQueue","length"); |
---|
715 | maps* queueMaps=getMaps(*conf,"uploadQueue"); |
---|
716 | if(queueLengthMap!=NULL){ |
---|
717 | int cnt=atoi(queueLengthMap->value); |
---|
718 | int i=0; |
---|
719 | for(i=0;i<cnt;i++){ |
---|
720 | map* argv[3]={ |
---|
721 | getMapArray(queueMaps->content,"input",i), |
---|
722 | getMapArray(queueMaps->content,"localPath",i), |
---|
723 | getMapArray(queueMaps->content,"targetPath",i) |
---|
724 | }; |
---|
725 | if(fileMd5Check(conf,argv[1]->value,argv[2]->value)<0){ |
---|
726 | /**/zooLock* lck; |
---|
727 | if((lck=lockFile(*conf,argv[1]->value,'w'))!=NULL){/**/ |
---|
728 | if(ssh_copy(*conf,argv[1]->value,argv[2]->value,ssh_get_cnt(*conf))!=true){ |
---|
729 | char* templateStr=_("Unable to copy over SSH the file requested for setting the value of %s."); |
---|
730 | char *tmpMessage=(char*)malloc((strlen(templateStr)+strlen(argv[0]->value)+1)*sizeof(char)); |
---|
731 | sprintf(tmpMessage,templateStr,argv[0]->value); |
---|
732 | setMapInMaps(*conf,"lenv","message",tmpMessage); |
---|
733 | free(tmpMessage); |
---|
734 | unlockFile(*conf,lck); |
---|
735 | return false; |
---|
736 | } |
---|
737 | /**/unlockFile(*conf,lck); |
---|
738 | }else{ |
---|
739 | setMapInMaps(*conf,"lenv","message",_("Unable to lock the file for upload!")); |
---|
740 | return false; |
---|
741 | }/**/ |
---|
742 | } |
---|
743 | } |
---|
744 | } |
---|
745 | while (libssh2_session_disconnect(test->session, "Normal Shutdown, Thank you for using the ZOO-Project sshapi") |
---|
746 | == LIBSSH2_ERROR_EAGAIN); |
---|
747 | #ifdef WIN32 |
---|
748 | closesocket(test->sock_id); |
---|
749 | #else |
---|
750 | close(test->sock_id); |
---|
751 | #endif |
---|
752 | libssh2_session_free(test->session); |
---|
753 | free(test); |
---|
754 | test=NULL; |
---|
755 | sessions[ssh_get_cnt(*conf)-1]=NULL; |
---|
756 | maps* tmp=getMaps(*conf,"lenv"); |
---|
757 | addIntToMap(tmp->content,"nb_sessions",ssh_get_cnt(*conf)-1); |
---|
758 | |
---|
759 | return true; |
---|
760 | } |
---|