From 0a191ee5047b2c81c7adb0554c39ec43d8690230 Mon Sep 17 00:00:00 2001 From: Luke Leighton Date: Sun, 19 Oct 1997 17:01:06 +0000 Subject: creating NetShareEnum parsing / reply creation. compiles, but untested. --- source/include/smb.h | 9 +-- source/pipesrvsvc.c | 169 ++++++++++++++++++++++++++++++++++++++++++++++----- source/srvparse.c | 10 +-- 3 files changed, 163 insertions(+), 25 deletions(-) diff --git a/source/include/smb.h b/source/include/smb.h index d847c6f3420..7fa19eaa19a 100644 --- a/source/include/smb.h +++ b/source/include/smb.h @@ -156,10 +156,11 @@ implemented */ #define DENY_FCB 7 /* share types */ -#define STYPE_DISKTREE 0 /* Disk drive */ -#define STYPE_PRINTQ 1 /* Spooler queue */ -#define STYPE_DEVICE 2 /* Serial device */ -#define STYPE_IPC 3 /* Interprocess communication (IPC) */ +#define STYPE_DISKTREE 0 /* Disk drive */ +#define STYPE_PRINTQ 1 /* Spooler queue */ +#define STYPE_DEVICE 2 /* Serial device */ +#define STYPE_IPC 3 /* Interprocess communication (IPC) */ +#define STYPE_HIDDEN 0x80000000 /* share is a hidden one (ends with $) */ /* SMB X/Open error codes for the ERRdos error class */ #define ERRbadfunc 1 /* Invalid function (or system call) */ diff --git a/source/pipesrvsvc.c b/source/pipesrvsvc.c index a3941e318c6..10c8d97e757 100644 --- a/source/pipesrvsvc.c +++ b/source/pipesrvsvc.c @@ -29,6 +29,153 @@ extern int DEBUGLEVEL; +/******************************************************************* +********************************************************************/ +static void make_srv_share_info1_str(SH_INFO_1_STR *sh1, char *net_name, char *remark) +{ + if (sh1 == NULL) return; + + DEBUG(5,("make_srv_share_info1_str: %s %s\n", net_name, remark)); + + make_unistr2(&(sh1->uni_netname), net_name, strlen(net_name)); + make_unistr2(&(sh1->uni_remark ), remark , strlen(remark )); +} + +/******************************************************************* +********************************************************************/ +static void make_srv_share_info1(SH_INFO_1 *sh1, char *net_name, uint32 type, char *remark) +{ + if (sh1 == NULL) return; + + DEBUG(5,("make_srv_share_info1_str: %s %8x %s\n", net_name, type, remark)); + + sh1->ptr_netname = net_name != NULL ? 1 : 0; + sh1->type = type; + sh1->ptr_remark = remark != NULL ? 1 : 0; +} + +/******************************************************************* +fill in a share info level 1 structure. + +this function breaks the rule that i'd like to be in place, namely +it doesn't receive its data as arguments: it has to call lp_xxxx() +functions itself. yuck. + +this function is identical to api_RNetShareEnum(). maybe it even +generates the same output! (too much to hope for, really...) + +********************************************************************/ +static void make_srv_share_1_ctr(SHARE_INFO_1_CTR *ctr) +{ + int snum; + int num_entries = 0; + int svcs = lp_numservices(); + + if (ctr == NULL) return; + + DEBUG(5,("make_srv_share_1_ctr\n")); + + for (snum = 0; snum < svcs && num_entries < MAX_SHARE_ENTRIES; num_entries++, snum++) + { + int len_net_name; + pstring net_name; + pstring remark; + uint32 type; + + if (lp_browseable(snum) && lp_snum_ok(snum)) + { + /* see ipc.c:fill_share_info() */ + + pstrcpy(net_name, lp_servicename(snum)); + pstrcpy(remark , lp_comment (snum)); + len_net_name = strlen(net_name); + + /* work out the share type */ + type = STYPE_DISKTREE; + + if (lp_print_ok(snum)) type = STYPE_PRINTQ; + if (strequal("IPC$", net_name)) type = STYPE_IPC; + if (net_name[len_net_name] == '$') type |= STYPE_HIDDEN; + + make_srv_share_info1 (&(ctr->info_1 [num_entries]), net_name, type, remark); + make_srv_share_info1_str(&(ctr->info_1_str[num_entries]), net_name, remark); + } + } + + ctr->num_entries_read = num_entries; + ctr->ptr_share_info = num_entries > 0 ? 1 : 0; + ctr->num_entries_read2 = num_entries; +} + +/******************************************************************* +********************************************************************/ +static void make_srv_net_share_enum(SRV_R_NET_SHARE_ENUM *r_n, + int share_level, int switch_value, int status) +{ + DEBUG(5,("make_srv_net_share_enum: %d\n", __LINE__)); + + r_n->share_level = share_level; + r_n->switch_value = switch_value; + r_n->status = status; + + switch (switch_value) + { + case 1: + { + make_srv_share_1_ctr(&(r_n->share.info1)); + r_n->ptr_share_info = r_n->share.info1.num_entries_read > 0 ? 1 : 0; + break; + } + default: + { + DEBUG(5,("make_srv_net_share_enum: unsupported switch value %d\n", + switch_value)); + r_n->ptr_share_info = 0; + break; + } + } +} + +/******************************************************************* +********************************************************************/ +static int srv_reply_net_share_enum(SRV_Q_NET_SHARE_ENUM *q_n, + char *q, char *base, + int status) +{ + SRV_R_NET_SHARE_ENUM r_n; + + DEBUG(5,("srv_net_share_enum: %d\n", __LINE__)); + + /* set up the */ + make_srv_net_share_enum(&r_n, q_n->share_level, q_n->switch_value, status); + + /* store the response in the SMB stream */ + q = srv_io_r_net_share_enum(False, &r_n, q, base, 4, 0); + + DEBUG(5,("srv_srv_pwset: %d\n", __LINE__)); + + /* return length of SMB data stored */ + return PTR_DIFF(q, base); +} + +/******************************************************************* +********************************************************************/ +static void api_srv_net_share_info( char *param, char *data, + char **rdata, int *rdata_len ) +{ + SRV_Q_NET_SHARE_ENUM q_n; + + /* grab the net share enum */ + srv_io_q_net_share_enum(True, &q_n, data + 0x18, data, 4, 0); + + /* construct reply. always indicate success */ + *rdata_len = srv_reply_net_share_enum(&q_n, *rdata + 0x18, *rdata, 0x0); +} + + +/******************************************************************* +receives a srvsvc pipe and responds. +********************************************************************/ BOOL api_srvsvcTNP(int cnum,int uid, char *param,char *data, int mdrcnt,int mprcnt, char **rdata,char **rparam, @@ -38,8 +185,6 @@ BOOL api_srvsvcTNP(int cnum,int uid, char *param,char *data, char *q; int pkttype; extern pstring myname; - char *servername; - uint32 level; opnum = SVAL(data,22); @@ -59,24 +204,16 @@ BOOL api_srvsvcTNP(int cnum,int uid, char *param,char *data, switch (opnum) { case NETSHAREENUM: - q = data + 0x18; - servername = q + 16; - q = skip_unicode_string(servername,1); - if (strlen(unistr(servername)) % 2 == 0) - q += 2; - level = IVAL(q, 0); q += 4; - /* ignore the rest for the moment */ - q = *rdata + 0x18; - SIVAL(q, 0, level); q += 4; - SIVAL(q, 0, 1); q += 4; /* switch value */ - SIVAL(q, 0, 2); q += 4; - SIVAL(q, 0, 2); q += 4; /* number of entries */ - SIVAL(q, 0, 2); q += 4; - endrpcreply(data, *rdata, q-*rdata, 0, rdata_len); + { + api_srv_net_share_info( param, data, rdata, rdata_len); + make_rpc_reply(data, *rdata, *rdata_len); break; + } case NETSERVERGETINFO: { + char *servername; + uint32 level; UNISTR2 uni_str; q = data + 0x18; servername = q + 16; diff --git a/source/srvparse.c b/source/srvparse.c index c06ff40ceb8..a94efff1384 100644 --- a/source/srvparse.c +++ b/source/srvparse.c @@ -79,18 +79,18 @@ char* srv_io_share_1_ctr(BOOL io, SHARE_INFO_1_CTR *ctr, char *q, char *base, in if (ctr->ptr_share_info != 0) { int i; - int max_entries = ctr->num_entries_read; - if (max_entries > MAX_SHARE_ENTRIES) + int num_entries = ctr->num_entries_read; + if (num_entries > MAX_SHARE_ENTRIES) { - max_entries = MAX_SHARE_ENTRIES; /* report this! */ + num_entries = MAX_SHARE_ENTRIES; /* report this! */ } - for (i = 0; i < max_entries; i++) + for (i = 0; i < num_entries; i++) { q = srv_io_share_info1(io, &(ctr->info_1[i]), q, base, align, depth); } - for (i = 0; i < max_entries; i++) + for (i = 0; i < num_entries; i++) { q = srv_io_share_info1_str(io, &(ctr->info_1_str[i]), q, base, align, depth); } -- cgit v1.2.1