examples/libsmbclient/testbrowse2.c

   1 /*
   2  * Alternate testbrowse utility provided by Mikhail Kshevetskiy.
   3  * This version tests use of multiple contexts.
   4  */
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <libsmbclient.h>
  10
  11 int     debuglevel      = 0;
  12 const char      *workgroup      = "NT";
  13 const char      *username       = "guest";
  14 const char      *password       = "";
  15
  16 typedef struct smbitem smbitem;
  17 typedef int(*qsort_cmp)(const void *, const void *);
  18
  19 struct smbitem{
  20     smbitem     *next;
  21     int         type;
  22     char        name[1];
  23 };
  24
  25 static void smbc_auth_fn(
  26                 const char      *server,
  27                 const char      *share,
  28                 char            *wrkgrp, int wrkgrplen,
  29                 char            *user,   int userlen,
  30                 char            *passwd, int passwdlen){
  31
  32     (void) server;
  33     (void) share;
  34     (void) wrkgrp;
  35     (void) wrkgrplen;
  36
  37     strncpy(wrkgrp, workgroup, wrkgrplen - 1); wrkgrp[wrkgrplen - 1] = 0;
  38     strncpy(user, username, userlen - 1); user[userlen - 1] = 0;
  39     strncpy(passwd, password, passwdlen - 1); passwd[passwdlen - 1] = 0;
  40 }
  41
  42 static SMBCCTX* create_smbctx(void){
  43     SMBCCTX     *ctx;
  44
  45     if ((ctx = smbc_new_context()) == NULL) return NULL;
  46
  47     smbc_setDebug(ctx, debuglevel);
  48     smbc_setFunctionAuthData(ctx, smbc_auth_fn);
  49
  50     if (smbc_init_context(ctx) == NULL){
  51         smbc_free_context(ctx, 1);
  52         return NULL;
  53     }
  54
  55     return ctx;
  56 }
  57
  58 static void delete_smbctx(SMBCCTX* ctx){
  59     smbc_getFunctionPurgeCachedServers(ctx)(ctx);
  60     smbc_free_context(ctx, 1);
  61 }
  62
  63 static smbitem* get_smbitem_list(SMBCCTX *ctx, char *smb_path){
  64     SMBCFILE            *fd;
  65     struct smbc_dirent  *dirent;
  66     smbitem             *list = NULL, *item;
  67
  68     if ((fd = smbc_getFunctionOpendir(ctx)(ctx, smb_path)) == NULL)
  69         return NULL;
  70     while((dirent = smbc_getFunctionReaddir(ctx)(ctx, fd)) != NULL){
  71         size_t slen;
  72         if (strcmp(dirent->name, "") == 0) continue;
  73         if (strcmp(dirent->name, ".") == 0) continue;
  74         if (strcmp(dirent->name, "..") == 0) continue;
  75
  76         slen = strlen(dirent->name)+1;
  77         if ((item = malloc(sizeof(smbitem) + slen)) == NULL)
  78             continue;
  79
  80         item->next = list;
  81         item->type = dirent->smbc_type;
  82         memcpy(item->name, dirent->name, slen);
  83         list = item;
  84     }
  85     smbc_getFunctionClose(ctx)(ctx, fd);
  86     return /* smbitem_list_sort */ (list);
  87
  88 }
  89
  90 static void print_smb_path(const char *group, const char *path){
  91     if ((strlen(group) == 0) && (strlen(path) == 0)) printf("/\n");
  92     else if (strlen(path) == 0) printf("/%s\n", group);
  93     else{
  94         if (strlen(group) == 0) group = "(unknown_group)";
  95         printf("/%s/%s\n", group, path);
  96     }
  97 }
  98
  99 static void recurse(SMBCCTX *ctx, const char *smb_group, char *smb_path, int maxlen){
 100     int         len;
 101     smbitem     *list, *item;
 102     SMBCCTX     *ctx1;
 103
 104     len = strlen(smb_path);
 105
 106     list = get_smbitem_list(ctx, smb_path);
 107     while(list != NULL){
 108         switch(list->type){
 109             case SMBC_WORKGROUP:
 110             case SMBC_SERVER:
 111                 if (list->type == SMBC_WORKGROUP){
 112                     print_smb_path(list->name, "");
 113                     smb_group = list->name;
 114                 }
 115                 else print_smb_path(smb_group, list->name);
 116
 117                 if (maxlen < 7 + strlen(list->name)) break;
 118                 strncpy(smb_path + 6, list->name, maxlen - 6);
 119                 smb_path[maxlen-1] = '\0';
 120                 if ((ctx1 = create_smbctx()) != NULL){
 121                     recurse(ctx1, smb_group, smb_path, maxlen);
 122                     delete_smbctx(ctx1);
 123                 }else{
 124                     recurse(ctx, smb_group, smb_path, maxlen);
 125                     smbc_getFunctionPurgeCachedServers(ctx)(ctx);
 126                 }
 127                 break;
 128             case SMBC_FILE_SHARE:
 129             case SMBC_DIR:
 130             case SMBC_FILE:
 131                 if (maxlen < len + strlen(list->name) + 2) break;
 132
 133                 smb_path[len] = '/';
 134                 strncpy(smb_path + len + 1, list->name, maxlen - len - 1);
 135                 smb_path[maxlen-1] = '\0';
 136                 print_smb_path(smb_group, smb_path + 6);
 137                 if (list->type != SMBC_FILE){
 138                     recurse(ctx, smb_group, smb_path, maxlen);
 139                     if (list->type == SMBC_FILE_SHARE)
 140                         smbc_getFunctionPurgeCachedServers(ctx)(ctx);
 141                 }
 142                 break;
 143         }
 144         item = list;
 145         list = list->next;
 146         free(item);
 147     }
 148     smb_path[len] = '\0';
 149 }
 150
 151 int main(int argc, char *argv[]){
 152     int         i;
 153     SMBCCTX     *ctx;
 154     char        smb_path[32768] = "smb://";
 155
 156     if ((ctx = create_smbctx()) == NULL){
 157         perror("Cant create samba context.");
 158         return 1;
 159     }
 160
 161     if (argc == 1) recurse(ctx, "", smb_path, sizeof(smb_path));
 162     else for(i = 1; i < argc; i++){
 163         strncpy(smb_path + 6, argv[i], sizeof(smb_path) - 7);
 164         smb_path[sizeof(smb_path) - 1] = '\0';
 165         recurse(ctx, "", smb_path, sizeof(smb_path));
 166     }
 167
 168     delete_smbctx(ctx);
 169     return 0;
 170 }