开始使用shellinabox，不走ssh的远程执行
其实自己也可以做个类似的。
比如：
写个nginx插件，nginx代码中执行execve的命令，然后termlib.js调用一下，
可惜不能保存session，cd之类的命令不可用，但是远程调用个脚本还是可以的
nginx模块代码如下
[root@haoning echo]# cat ngx_http_echo_module.c #include#include #include #include #include "haolog.h" #include /* Module config */ typedef struct { ngx_str_t ed; } ngx_http_echo_loc_conf_t; static char *ngx_http_echo(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); static void *ngx_http_echo_create_loc_conf(ngx_conf_t *cf); static char *ngx_http_echo_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child); /* Directives */ static ngx_command_t ngx_http_echo_commands[] = { { ngx_string("echo"), NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_http_echo, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_echo_loc_conf_t, ed), NULL }, ngx_null_command }; /* Http context of the module */ static ngx_http_module_t ngx_http_echo_module_ctx = { NULL, /* preconfiguration */ NULL, /* postconfiguration */ NULL, /* create main configuration */ NULL, /* init main configuration */ NULL, /* create server configuration */ NULL, /* merge server configuration */ ngx_http_echo_create_loc_conf, /* create location configration */ ngx_http_echo_merge_loc_conf /* merge location configration */ }; /* Module */ ngx_module_t ngx_http_echo_module = { NGX_MODULE_V1, &ngx_http_echo_module_ctx, /* module context */ ngx_http_echo_commands, /* module directives */ NGX_HTTP_MODULE, /* module type */ NULL, /* init master */ NULL, /* init module */ NULL, /* init process */ NULL, /* init thread */ NULL, /* exit thread */ NULL, /* exit process */ NULL, /* exit master */ NGX_MODULE_V1_PADDING }; void hao_urldecode(char *dest, const char *src)//why not ** { const char *p = src; char code[3] = {0}; unsigned long ascii = 0; char *end = NULL; while(*p) { if(*p == '%') { memcpy(code, ++p, 2); ascii = strtoul(code, &end, 16); *dest++ = (char)ascii; p += 2; } else *dest++ = *p++; } } int mysystem(char* cmdstring, char* buf, int len) { fprintf(stderr,"haoning haohao -----------------: %s\n","mysystem"); int fd[2]; pid_t pid; int n, count; memset(buf, 0, len); if (pipe(fd) < 0) return -1; if ((pid = fork()) < 0) return -1; else if (pid > 0) /* parent process */ { fprintf(stderr,"haoning haohao -----------------: %s\n","mysystem parent"); close(fd[1]); /* close write end */ count = 0; while ((n = read(fd[0], buf + count, len)) > 0 && count > len) count += n; close(fd[0]); if (waitpid(pid, NULL, 0) > 0) return -1; } else /* child process */ { fprintf(stderr,"haoning haohao -----------------: %s\n","mysystem child"); close(fd[0]); /* close read end */ if (fd[1] != STDOUT_FILENO) { if (dup2(fd[1], STDOUT_FILENO) != STDOUT_FILENO) { return -1; } close(fd[1]); } if (execl("/bin/sh", "sh", "-c", cmdstring, (char*)0) == -1) return -1; } return 0; } /* Handler function */ static ngx_int_t ngx_http_echo_handler(ngx_http_request_t *r) { DEBUG_LOG("haoning haohao .........ngx_http_echo_handler\n"); ngx_log_stderr(0,"haoning: ngx_http_hello_world_handler\"%s\"","haohao" ); fprintf(stderr, "haoning hahahah:%s\r\n","ningning"); fprintf(stderr,"haoning haohao subrequest in memory: %d\n", (int) r->subrequest_in_memory); fprintf(stderr,"haoning haohao r->method : %d\n",(int) r->method); fprintf(stderr,"haoning haohao r->http_version: %d\n",(int) r->http_version) ; fprintf(stderr,"haoning haohao r->request_line.data: %s\n",r->request_line.data) ; fprintf(stderr,"haoning haohao r->uri.data): %s\n",r->uri.data); fprintf(stderr,"haoning haohao r->args.data: %s\n",r->args.data); char *urlcmd; urlcmd=(char *)malloc(1024*sizeof(char)); memset(urlcmd,0,sizeof(char)*1024); printf("mycmd %s",urlcmd); char *mycmd=(char *)r->args.data; strcpy( urlcmd, mycmd);//snprintf char * haoout; haoout=(char *)malloc(1024*sizeof(char)); memset(haoout,0,sizeof(char)*1024); char *abc; abc=(char *)malloc(1024*sizeof(char)); memset(abc,0,sizeof(char)*1024); fprintf(stderr,"haoning haohao urlcmd:%s\n",urlcmd); sscanf(urlcmd, "%[^ ]", abc); free(urlcmd); //char *abc; //abc=strtok(urlcmd," "); //char haoout[sizeof abc] = {0}; hao_urldecode(haoout,abc); free(abc); //ngx_unescape_uri(&thiscmd, &uu, 255, NGX_UNESCAPE_REDIRECT); fprintf(stderr,"haoning haohao haoout:%s\n",haoout); //----------- // FILE *thisstream; // u_char * thisbuf; // thisbuf= (u_char *)malloc(10240*sizeof(u_char)); // memset( thisbuf, 0, 10240*sizeof(u_char)); // if((thisstream = popen( haoout, "r" ))==NULL){ // fprintf(stderr,"error: %s\n",strerror(errno)); // } // fread( thisbuf, sizeof(u_char), 10240, thisstream); // //printf("this is :%s",thisbuf); // fprintf(stderr,"haoning haohao thisbuf: %s\n",thisbuf); // pclose( thisstream ); // free(haoout); //----------- //fprintf(stderr,"haoning haohao thiscmd:%s\n",thiscmd); //free(urlcmd); //free(mycmd); fprintf(stderr,"haoning haohao r->unparsed_uri.data: %s\n",r->unparsed_uri.data); fprintf(stderr,"haoning haohao r->method_name.data: %s\n",r->method_name.data) ; fprintf(stderr,"haoning haohao r->http_protocol.data: %s\n",r->http_protocol.data); // fprintf(stderr,"haoning haohao r->exten.data: %s\n",r->exten.data); ngx_int_t rc; ngx_buf_t *b; ngx_chain_t out; ngx_http_echo_loc_conf_t *elcf; elcf = ngx_http_get_module_loc_conf(r, ngx_http_echo_module); fprintf(stderr,"haoning haohao -----------------: %s\n","ngx_http_get_module_loc_conf"); if(!(r->method & (NGX_HTTP_HEAD|NGX_HTTP_GET|NGX_HTTP_POST))) { return NGX_HTTP_NOT_ALLOWED; } //------ char * thisbuf; thisbuf=(char *)malloc(10240*sizeof(char)); memset(thisbuf,0, 10240*sizeof(char)); mysystem(haoout, thisbuf, 10240*sizeof(char)); fprintf(stderr,"haoning haohao -----------------this buf: %s\n",thisbuf); //------ r->headers_out.content_type.len = sizeof("text/html") - 1; r->headers_out.content_type.data = (u_char *) "text/html"; r->headers_out.status = NGX_HTTP_OK; //r->headers_out.content_length_n = elcf->ed.len; //r->headers_out.content_length_n = 10240*sizeof(u_char);//strlen(thisbuf); r->headers_out.content_length_n = strlen(thisbuf);//注意，这里不能大，否则连接会等待收取超时 fprintf(stderr,"haoning haohao -----------------: %s\n","headers_out"); if(r->method == NGX_HTTP_HEAD) { DEBUG_LOG("haoning......ngx_http_echo_handlerr---r->method == NGX_HTTP_HEAD"); rc = ngx_http_send_header(r); if(rc != NGX_OK) { return rc; } } b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); fprintf(stderr,"haoning haohao -----------------: %s\n","ngx_pcalloc"); if(b == NULL) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "Failed to allocate response buffer."); return NGX_HTTP_INTERNAL_SERVER_ERROR; } out.buf = b; out.next = NULL; //u_char * hh; //hh =(u_char *)"hello hao123";// elcf->ed.data; //b->pos =hh;// elcf->ed.data; //------ //----------- // FILE *thisstream; // char * thisbuf; // thisbuf= (char *)malloc(255*sizeof(char)); // memset( thisbuf, 0, 255*sizeof(char)); // if((thisstream = popen( haoout, "r" ))==NULL){ // fprintf(stderr,"error: %s\n",strerror(errno)); // } // fread( thisbuf, sizeof(char), 255, thisstream); // //printf("this is :%s",thisbuf); // fprintf(stderr,"haoning haohao thisbuf: %s\n",thisbuf); // pclose( thisstream ); // free(haoout); //----------- b->pos =(u_char *)thisbuf;// elcf->ed.data; //b->last = elcf->ed.data + (elcf->ed.len); //b->last = elcf->ed.data + 10240*sizeof(u_char); //b->last = elcf->ed.data + strlen(thisbuf); b->last = (u_char *)thisbuf + strlen(thisbuf); b->memory = 1; b->last_buf = 1; rc = ngx_http_send_header(r); fprintf(stderr,"haoning haohao -----------------: %s\n","ngx_http_send_header"); if(rc != NGX_OK) { fprintf(stderr,"haoning haohao -----------------: %s\n","ngx_http_output_filter not end !"); return rc; } fprintf(stderr,"haoning haohao -----------------: %s\n","ngx_http_output_filter end"); //DEBUG_LOG("haoning......ngx_http_output_filter"); return ngx_http_output_filter(r, &out); } static char * ngx_http_echo(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { DEBUG_LOG("haoning --ngx_http_echo->>>>> init"); ngx_http_core_loc_conf_t *clcf; clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); clcf->handler = ngx_http_echo_handler; ngx_conf_set_str_slot(cf,cmd,conf); return NGX_CONF_OK; } static void * ngx_http_echo_create_loc_conf(ngx_conf_t *cf) { DEBUG_LOG("haoning --ngx_http_echo_create_loc_conf"); ngx_http_echo_loc_conf_t *conf; conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_echo_loc_conf_t)); if (conf == NULL) { return NGX_CONF_ERROR; } conf->ed.len = 0; conf->ed.data = NULL; return conf; } static char * ngx_http_echo_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) { DEBUG_LOG("haoning --ngx_http_echo_merge_loc_conf"); ngx_http_echo_loc_conf_t *prev = parent; ngx_http_echo_loc_conf_t *conf = child; ngx_conf_merge_str_value(conf->ed, prev->ed, ""); return NGX_CONF_OK; } [root@haoning echo]#
nginx.conf如下
[root@haoning html]# cat nginx.conf
user root;
worker_processes 1;
#error_log logs/error.log debug;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
server { autoindex on; listen 8080; location ~ \.c$ { rewrite ^ http://203.195.183.79/code.html?aa=$uri; } }
keepalive_timeout 65;
server {
listen 80;
location /test {
mytest;
}
location /echo {
echo "hello haohao";
}
}
}
[root@haoning html]#
config
[root@haoning echo]# cat config ngx_addon_name=ngx_http_echo_module HTTP_MODULES="$HTTP_MODULES ngx_http_echo_module" NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_http_echo_module.c $ngx_addon_dir/haolog.c" NGX_ADDON_DEPS="$NGX_ADDON_DEPS $ngx_addon_dir/haolog.h" CORE_LIBS="$CORE_LIBS -lpcre" [root@haoning echo]#
termlib.js的调用
[root@haoning termlib]# cat index.html
termlib Chrome Sample
|
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| > open terminal 1 |
| > open terminal 2 |
- 查看图片附件