+++ /dev/null
-/*
-** Copyright 2000-2004 Double Precision, Inc. See COPYING for
-** distribution information.
-*/
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <libpq-fe.h>
-#include <time.h>
-
-#include "authpgsql.h"
-#include "authpgsqlrc.h"
-#include "auth.h"
-#include "courierauthdebug.h"
-
-#define err courier_auth_err
-
-/* tom@minnesota.com */
-#define MAX_SUBSTITUTION_LEN 32
-#define SV_BEGIN_MARK "$("
-#define SV_END_MARK ")"
-#define SV_BEGIN_LEN ((sizeof(SV_BEGIN_MARK))-1)
-#define SV_END_LEN ((sizeof(SV_END_MARK))-1)
-
-static const char rcsid[]="$Id: authpgsqllib.c,v 1.18 2006/10/28 19:22:52 mrsam Exp $";
-
-/* tom@minnesota.com */
-struct var_data {
- const char *name;
- const char *value;
- const size_t size;
- size_t value_length;
- } ;
-
-/* tom@minnesota.com */
-typedef int (*parsefunc)(const char *, size_t, void *);
-
-static const char *read_env(const char *env)
-{
-static char *pgsqlauth=0;
-static size_t pgsqlauth_size=0;
-size_t i;
-char *p=0;
-int l=strlen(env);
-
- if (!pgsqlauth)
- {
- FILE *f=fopen(AUTHPGSQLRC, "r");
- struct stat buf;
-
- if (!f) return (0);
- if (fstat(fileno(f), &buf) ||
- (pgsqlauth=malloc(buf.st_size+2)) == 0)
- {
- fclose(f);
- return (0);
- }
- if (fread(pgsqlauth, buf.st_size, 1, f) != 1)
- {
- free(pgsqlauth);
- pgsqlauth=0;
- fclose(f);
- return (0);
- }
- pgsqlauth[pgsqlauth_size=buf.st_size]=0;
-
- for (i=0; i<pgsqlauth_size; i++)
- if (pgsqlauth[i] == '\n')
- { /* tom@minnesota.com */
- if (!i || pgsqlauth[i-1] != '\\')
- {
- pgsqlauth[i]='\0';
- }
- else
- {
- pgsqlauth[i]=pgsqlauth[i-1]= ' ';
- }
- }
- fclose(f);
- }
-
- for (i=0; i<pgsqlauth_size; )
- {
- p=pgsqlauth+i;
- if (memcmp(p, env, l) == 0 &&
- isspace((int)(unsigned char)p[l]))
- {
- p += l;
- while (*p && *p != '\n' &&
- isspace((int)(unsigned char)*p))
- ++p;
- break;
- }
-
- while (i < pgsqlauth_size)
- if (pgsqlauth[i++] == 0) break;
- }
-
- if (i < pgsqlauth_size)
- return (p);
- return (0);
-}
-
-static PGresult *pgresult=0;
-
-static PGconn *pgconn=0;
-
-/*
-static FILE *DEBUG=0;
-*/
-
-static int do_connect()
-{
-const char *server;
-const char *userid;
-const char *password;
-const char *database;
-const char *server_port=0;
-const char *server_opt=0;
-/*
- if (!DEBUG) {
- DEBUG=fopen("/tmp/courier.debug","a");
- }
- fprintf(DEBUG,"Apro il DB!\n");
- fflush(DEBUG);
-*/
-
-/*
-** Periodically detect dead connections.
-*/
- if (pgconn)
- {
- static time_t last_time=0;
- time_t t_check;
-
- time(&t_check);
-
- if (t_check < last_time)
- last_time=t_check; /* System clock changed */
-
- if (t_check < last_time + 60)
- return (0);
-
- last_time=t_check;
-
- if (PQstatus(pgconn) == CONNECTION_OK) return (0);
-
- DPRINTF("authpgsqllib: PQstatus failed, connection lost");
- PQfinish(pgconn);
- pgconn=0;
- }
-
- server=read_env("PGSQL_HOST");
- server_port=read_env("PGSQL_PORT");
- userid=read_env("PGSQL_USERNAME");
- password=read_env("PGSQL_PASSWORD");
- database=read_env("PGSQL_DATABASE");
- server_opt=read_env("PGSQL_OPT");
-
-/*
- fprintf(DEBUG,"Letti i parametri!\n");
- fflush(DEBUG);
-*/
-
- if (!userid)
- {
- err("authpgsql: PGSQL_USERNAME not set in "
- AUTHPGSQLRC ".");
- return (-1);
- }
-
- if (!database)
- {
- err("authpgsql: PGSQL_DATABASE not set in "
- AUTHPGSQLRC ".");
- return (-1);
- }
-
-/*
- fprintf(DEBUG,"Connecting to db:%s:%s\%s user=%s pass=%s\n",server,server_port,database,userid,password);
- fflush(DEBUG);
-*/
- pgconn = PQsetdbLogin(server, server_port, server_opt, NULL , database,userid,password);
-
- if (PQstatus(pgconn) == CONNECTION_BAD)
- {
- err("Connection to server '%s' userid '%s' database '%s' failed.",
- server ? server : "<null>",
- userid ? userid : "<null>",
- database);
- err("%s", PQerrorMessage(pgconn));
- pgconn=0;
- return -1;
- }
-/*
- fprintf(DEBUG,"Connected!\n");
- fflush(DEBUG);
-*/
-
- return 0;
-
-}
-
-void auth_pgsql_cleanup()
-{
- if (pgconn)
- {
- PQfinish(pgconn);
- pgconn=0;
- }
-}
-
-static struct authpgsqluserinfo ui={0, 0, 0, 0, 0, 0, 0, 0};
-
-static void append_username(char *p, const char *username,
- const char *defdomain)
-{
- for (strcpy(p, username); *p; p++)
- if (*p == '\'' || *p == '"' || *p == '\\' ||
- (int)(unsigned char)*p < ' ')
- *p=' '; /* No funny business */
- if (strchr(username, '@') == 0 && defdomain && *defdomain)
- strcat(strcpy(p, "@"), defdomain);
-}
-
-/* tom@minnesota.com */
-static struct var_data *get_variable (const char *begin, size_t len,
- struct var_data *vdt)
-{
-struct var_data *vdp;
-
- if (!begin || !vdt) /* should never happend */
- {
- err("authpgsql: critical error while "
- "parsing substitution variable");
- return NULL;
- }
- if (len < 1)
- {
- err("authpgsql: unknown empty substitution "
- "variable - aborting");
- return NULL;
- }
- if (len > MAX_SUBSTITUTION_LEN)
- {
- err("authpgsql: variable name too long "
- "while parsing substitution. "
- "name begins with "
- SV_BEGIN_MARK
- "%.*s...", MAX_SUBSTITUTION_LEN, begin);
- return NULL;
- }
-
- for (vdp=vdt; vdp->name; vdp++)
- if (vdp->size == len+1 &&
- !strncmp(begin, vdp->name, len))
- {
- if (!vdp->value)
- vdp->value = "";
- if (!vdp->value_length) /* length cache */
- vdp->value_length = strlen (vdp->value);
- return vdp;
- }
-
- err("authpgsql: unknown substitution variable "
- SV_BEGIN_MARK
- "%.*s"
- SV_END_MARK
- , (int)len, begin);
-
- return NULL;
-}
-
-/* tom@minnesota.com */
-static int ParsePlugin_counter (const char *p, size_t length, void *vp)
-{
- if (!p || !vp || length < 0)
- {
- err("authpgsql: bad arguments while counting "
- "query string");
- return -1;
- }
-
- *((size_t *)vp) += length;
-
- return 0;
-}
-
-/* tom@minnesota.com */
-static int ParsePlugin_builder (const char *p, size_t length, void *vp)
-{
-char **strptr = (char **) vp;
-
- if (!p || !vp || length < 0)
- {
- err("authpgsql: bad arguments while building "
- "query string");
- return -1;
- }
-
- if (!length) return 0;
- memcpy ((void *) *strptr, (void *) p, length);
- *strptr += length;
-
- return 0;
-}
-
-/* tom@minnesota.com */
-static int parse_core (const char *source, struct var_data *vdt,
- parsefunc outfn, void *result)
-{
-size_t v_size = 0,
- t_size = 0;
-const char *p, *q, *e,
- *v_begin, *v_end,
- *t_begin, *t_end;
-struct var_data *v_ptr;
-
- if (!source)
- source = "";
- if (!result)
- {
- err("authpgsql: no memory allocated for result "
- "while parser core was invoked");
- return -1;
- }
- if (!vdt)
- {
- err("authpgsql: no substitution table found "
- "while parser core was invoked");
- return -1;
- }
-
- q = source;
- while ( (p=strstr(q, SV_BEGIN_MARK)) )
- {
- e = strstr (p, SV_END_MARK);
- if (!e)
- {
- err("authpgsql: syntax error in "
- "substitution "
- "- no closing symbol found! "
- "bad variable begins with:"
- "%.*s...", MAX_SUBSTITUTION_LEN, p);
- return -1;
- }
-
- /*
- **
- ** __________sometext$(variable_name)_________
- ** | | | |
- ** t_begin' t_end' `v_begin `v_end
- **
- */
-
- v_begin = p+SV_BEGIN_LEN; /* variable field ptr */
- v_end = e-SV_END_LEN; /* variable field last character */
- v_size = v_end-v_begin+1;/* variable field length */
-
- t_begin = q; /* text field ptr */
- t_end = p-1; /* text field last character */
- t_size = t_end-t_begin+1;/* text field length */
-
- /* work on text */
- if ( (outfn (t_begin, t_size, result)) == -1 )
- return -1;
-
- /* work on variable */
- v_ptr = get_variable (v_begin, v_size, vdt);
- if (!v_ptr) return -1;
-
- if ( (outfn (v_ptr->value, v_ptr->value_length, result)) == -1 )
- return -1;
-
- q = e + 1;
- }
-
- /* work on last part of text if any */
- if (*q != '\0')
- if ( (outfn (q, strlen(q), result)) == -1 )
- return -1;
-
- return 0;
-}
-
-/* tom@minnesota.com */
-static char *parse_string (const char *source, struct var_data *vdt)
-{
-struct var_data *vdp = NULL;
-char *output_buf = NULL,
- *pass_buf = NULL;
-size_t buf_size = 2;
-
- if (source == NULL || *source == '\0' ||
- vdt == NULL || vdt[0].name == NULL)
- {
- err("authpgsql: source clause is empty "
- "- this is critical error");
- return NULL;
- }
-
- /* zero var_data length cache - important! */
- for (vdp=vdt; vdp->name; vdp++)
- vdp->value_length = 0;
-
-
- /* phase 1 - count and validate string */
- if ( (parse_core (source, vdt, &ParsePlugin_counter, &buf_size)) != 0)
- return NULL;
-
- /* phase 2 - allocate memory */
- output_buf = malloc (buf_size);
- if (!output_buf)
- {
- perror ("malloc");
- return NULL;
- }
- pass_buf = output_buf;
-
- /* phase 3 - build the output string */
- if ( (parse_core (source, vdt, &ParsePlugin_builder, &pass_buf)) != 0)
- {
- free (output_buf);
- return NULL;
- }
- *pass_buf = '\0';
-
- return output_buf;
-}
-
-/* tom@minnesota.com */
-static const char *get_localpart (const char *username)
-{
-size_t lbuf = 0;
-const char *l_end, *p;
-char *q;
-static char localpart_buf[130];
-
- if (!username || *username == '\0') return NULL;
-
- p = strchr(username,'@');
- if (p)
- {
- if ((p-username) > 128)
- return NULL;
- l_end = p;
- }
- else
- {
- if ((lbuf = strlen(username)) > 128)
- return NULL;
- l_end = username + lbuf;
- }
-
- p=username;
- q=localpart_buf;
-
- while (*p && p != l_end)
- if (*p == '\"' || *p == '\\' ||
- *p == '\'' || (int)(unsigned char)*p < ' ')
- p++;
- else
- *q++ = *p++;
-
- *q = '\0';
- return localpart_buf;
-}
-
-/* tom@minnesota.com */
-static const char *get_domain (const char *username, const char *defdomain)
-{
-static char domain_buf[260];
-const char *p;
-char *q;
-
- if (!username || *username == '\0') return NULL;
- p = strchr(username,'@');
-
- if (!p || *(p+1) == '\0')
- {
- if (defdomain && *defdomain)
- return defdomain;
- else
- return NULL;
- }
-
- p++;
- if ((strlen(p)) > 256)
- return NULL;
-
- q = domain_buf;
- while (*p)
- if (*p == '\"' || *p == '\\' ||
- *p == '\'' || (int)(unsigned char)*p < ' ')
- p++;
- else
- *q++ = *p++;
-
- *q = '\0';
- return domain_buf;
-}
-
-/* tom@minnesota.com */
-
-static const char *validate_password (const char *password)
-{
-static char pass_buf[2][540]; /* Use two buffers, see parse_chpass_clause */
-static int next_pass=0;
-const char *p;
-char *q, *endq;
-
- if (!password || *password == '\0' || (strlen(password)) > 256)
- return NULL;
-
- next_pass= 1-next_pass;
-
- p = password;
- q = pass_buf[next_pass];
- endq = q + sizeof pass_buf[next_pass];
-
- while (*p && q < endq)
- {
- if (*p == '\"' || *p == '\\' || *p == '\'')
- *q++ = '\\';
- *q++ = *p++;
- }
-
- if (q >= endq)
- return NULL;
-
- *q = '\0';
- return pass_buf[next_pass];
-}
-
-/* tom@minnesota.com */
-static char *parse_select_clause (const char *clause, const char *username,
- const char *defdomain,
- const char *service)
-{
-static struct var_data vd[]={
- {"local_part", NULL, sizeof("local_part"), 0},
- {"domain", NULL, sizeof("domain"), 0},
- {"service", NULL, sizeof("service"), 0},
- {NULL, NULL, 0, 0}};
-
- if (clause == NULL || *clause == '\0' ||
- !username || *username == '\0')
- return NULL;
-
- vd[0].value = get_localpart (username);
- vd[1].value = get_domain (username, defdomain);
- if (!vd[0].value || !vd[1].value)
- return NULL;
- vd[2].value = service;
-
- return (parse_string (clause, vd));
-}
-
-/* tom@minnesota.com */
-static char *parse_chpass_clause (const char *clause, const char *username,
- const char *defdomain, const char *newpass,
- const char *newpass_crypt)
-{
-static struct var_data vd[]={
- {"local_part", NULL, sizeof("local_part"), 0},
- {"domain", NULL, sizeof("domain"), 0},
- {"newpass", NULL, sizeof("newpass"), 0},
- {"newpass_crypt", NULL, sizeof("newpass_crypt"), 0},
- {NULL, NULL, 0, 0}};
-
- if (clause == NULL || *clause == '\0' ||
- !username || *username == '\0' ||
- !newpass || *newpass == '\0' ||
- !newpass_crypt || *newpass_crypt == '\0') return NULL;
-
- vd[0].value = get_localpart (username);
- vd[1].value = get_domain (username, defdomain);
- vd[2].value = validate_password (newpass);
- vd[3].value = validate_password (newpass_crypt);
-
- if (!vd[0].value || !vd[1].value ||
- !vd[2].value || !vd[3].value) return NULL;
-
- return (parse_string (clause, vd));
-}
-
-static void initui()
-{
-
- if (ui.username)
- free(ui.username);
- if (ui.cryptpw)
- free(ui.cryptpw);
- if (ui.clearpw)
- free(ui.clearpw);
- if (ui.home)
- free(ui.home);
- if (ui.maildir)
- free(ui.maildir);
- if (ui.quota)
- free(ui.quota);
- if (ui.fullname)
- free(ui.fullname);
- if (ui.options)
- free(ui.options);
- memset(&ui, 0, sizeof(ui));
-}
-
-struct authpgsqluserinfo *auth_pgsql_getuserinfo(const char *username,
- const char *service)
-{
-const char *defdomain, *select_clause;
-char *querybuf, *p;
-
-static const char query[]=
- "SELECT %s, %s, %s, %s, %s, %s, %s, %s, %s, %s FROM %s WHERE %s = '";
-
- if (do_connect()) return (0);
-
- initui();
-
-/*
- fprintf(DEBUG,"1Leggo parametri\n");
- fflush(DEBUG);
-*/
- select_clause=read_env("PGSQL_SELECT_CLAUSE");
- defdomain=read_env("DEFAULT_DOMAIN");
- if (!defdomain) defdomain="";
-
- if (!select_clause) /* tom@minnesota.com */
- {
- const char *user_table,
- *crypt_field,
- *clear_field,
- *name_field,
- *uid_field,
- *gid_field,
- *login_field,
- *home_field,
- *maildir_field,
- *quota_field,
- *options_field,
- *where_clause;
-
- user_table=read_env("PGSQL_USER_TABLE");
-
- if (!user_table)
- {
- err("authpgsql: PGSQL_USER_TABLE not set in "
- AUTHPGSQLRC ".");
- return (0);
- }
-
- crypt_field=read_env("PGSQL_CRYPT_PWFIELD");
- clear_field=read_env("PGSQL_CLEAR_PWFIELD");
- name_field=read_env("PGSQL_NAME_FIELD");
-
- if (!crypt_field && !clear_field)
- {
- err("authpgsql: PGSQL_CRYPT_PWFIELD and "
- "PGSQL_CLEAR_PWFIELD not set in " AUTHPGSQLRC ".");
- return (0);
- }
- if (!crypt_field) crypt_field="''";
- if (!clear_field) clear_field="''";
- if (!name_field) name_field="''";
-
- uid_field = read_env("PGSQL_UID_FIELD");
- if (!uid_field) uid_field = "uid";
-
- gid_field = read_env("PGSQL_GID_FIELD");
- if (!gid_field) gid_field = "gid";
-
- login_field = read_env("PGSQL_LOGIN_FIELD");
- if (!login_field) login_field = "id";
-
- home_field = read_env("PGSQL_HOME_FIELD");
- if (!home_field) home_field = "home";
-
- maildir_field=read_env(service && strcmp(service, "courier")==0
- ? "PGSQL_DEFAULTDELIVERY"
- : "PGSQL_MAILDIR_FIELD");
- if (!maildir_field) maildir_field="''";
-
- quota_field=read_env("PGSQL_QUOTA_FIELD");
- if (!quota_field) quota_field="''";
-
- options_field=read_env("PGSQL_AUXOPTIONS_FIELD");
- if (!options_field) options_field="''";
-
- where_clause=read_env("PGSQL_WHERE_CLAUSE");
- if (!where_clause) where_clause = "";
-
- querybuf=malloc(sizeof(query) + 100
- + 2 * strlen(login_field)
- + strlen(crypt_field)
- + strlen(clear_field)
- + strlen(uid_field) + strlen(gid_field)
- + strlen(home_field)
- + strlen(maildir_field)
- + strlen(quota_field)
- + strlen(name_field)
- + strlen(options_field)
- + strlen(user_table)
- + strlen(username)
- + strlen(defdomain)
- + strlen(where_clause));
-
- if (!querybuf)
- {
- perror("malloc");
- return (0);
- }
-
- sprintf(querybuf, query, login_field, crypt_field, clear_field,
- uid_field, gid_field, home_field, maildir_field,
- quota_field,
- name_field,
- options_field,
- user_table, login_field);
- p=querybuf+strlen(querybuf);
-
- append_username(p, username, defdomain);
- strcat(p, "'");
-
- if (strcmp(where_clause, "")) {
- strcat(p, " AND (");
- strcat(p, where_clause);
- strcat(p, ")");
- }
- }
- else
- {
- /* tom@minnesota.com */
- querybuf=parse_select_clause (select_clause, username,
- defdomain, service);
- if (!querybuf)
- {
- DPRINTF("authpgsql: parse_select_clause failed (DEFAULT_DOMAIN not defined?)");
- return 0;
- }
- }
-
- DPRINTF("SQL query: %s", querybuf);
- pgresult = PQexec(pgconn, querybuf);
- if (!pgresult || PQresultStatus(pgresult) != PGRES_TUPLES_OK)
- {
- DPRINTF("PQexec failed, reconnecting: %s", PQerrorMessage(pgconn));
- if (pgresult) PQclear(pgresult);
-
- /* <o.blasnik@nextra.de> */
-
- auth_pgsql_cleanup();
-
- if (do_connect())
- {
- free(querybuf);
- return (0);
- }
-
- pgresult = PQexec(pgconn, querybuf);
- if (!pgresult || PQresultStatus(pgresult) != PGRES_TUPLES_OK)
- {
- DPRINTF("PQexec failed second time, giving up: %s", PQerrorMessage(pgconn));
- if (pgresult) PQclear(pgresult);
- free(querybuf);
- auth_pgsql_cleanup();
- /* Server went down, that's OK,
- ** try again next time.
- */
- return (0);
- }
- }
- free(querybuf);
-
- if (PQntuples(pgresult)>0)
- {
- char *t, *endp;
- int num_fields = PQnfields(pgresult);
-
- if (num_fields < 6)
- {
- DPRINTF("incomplete row, only %d fields returned",
- num_fields);
- PQclear(pgresult);
- return 0;
- }
-
- t=PQgetvalue(pgresult,0,0);
- if (t && t[0]) ui.username=strdup(t);
- t=PQgetvalue(pgresult,0,1);
- if (t && t[0]) ui.cryptpw=strdup(t);
- t=PQgetvalue(pgresult,0,2);
- if (t && t[0]) ui.clearpw=strdup(t);
- t=PQgetvalue(pgresult,0,3);
- if (!t || !t[0] ||
- (ui.uid=strtol(t, &endp, 10), endp[0] != '\0'))
- {
- DPRINTF("invalid value for uid: '%s'",
- t ? t : "<null>");
- PQclear(pgresult);
- return 0;
- }
- t=PQgetvalue(pgresult,0,4);
- if (!t || !t[0] ||
- (ui.gid=strtol(t, &endp, 10), endp[0] != '\0'))
- {
- DPRINTF("invalid value for gid: '%s'",
- t ? t : "<null>");
- PQclear(pgresult);
- return 0;
- }
- t=PQgetvalue(pgresult,0,5);
- if (t && t[0])
- ui.home=strdup(t);
- else
- {
- DPRINTF("required value for 'home' (column 6) is missing");
- PQclear(pgresult);
- return 0;
- }
- t=num_fields > 6 ? PQgetvalue(pgresult,0,6) : 0;
- if (t && t[0]) ui.maildir=strdup(t);
- t=num_fields > 7 ? PQgetvalue(pgresult,0,7) : 0;
- if (t && t[0]) ui.quota=strdup(t);
- t=num_fields > 8 ? PQgetvalue(pgresult,0,8) : 0;
- if (t && t[0]) ui.fullname=strdup(t);
- t=num_fields > 9 ? PQgetvalue(pgresult,0,9) : 0;
- if (t && t[0]) ui.options=strdup(t);
- }
- else
- {
- DPRINTF("zero rows returned");
- PQclear(pgresult);
- return (&ui);
- }
- PQclear(pgresult);
-
- return (&ui);
-}
-
-int auth_pgsql_setpass(const char *user, const char *pass,
- const char *oldpass)
-{
- char *newpass_crypt;
- const char *p;
- int l;
- char *sql_buf;
- const char *comma;
- int rc=0;
-
- const char *clear_field=NULL;
- const char *crypt_field=NULL;
- const char *defdomain=NULL;
- const char *where_clause=NULL;
- const char *user_table=NULL;
- const char *login_field=NULL;
- const char *chpass_clause=NULL; /* tom@minnesota.com */
-
- if (!pgconn)
- return (-1);
-
-
- if (!(newpass_crypt=authcryptpasswd(pass, oldpass)))
- return (-1);
-
- for (l=0, p=pass; *p; p++)
- {
- if ((int)(unsigned char)*p < ' ')
- {
- free(newpass_crypt);
- return (-1);
- }
- if (*p == '"' || *p == '\\')
- ++l;
- ++l;
- }
-
- /* tom@minnesota.com */
- chpass_clause=read_env("PGSQL_CHPASS_CLAUSE");
- defdomain=read_env("DEFAULT_DOMAIN");
- user_table=read_env("PGSQL_USER_TABLE");
- if (!chpass_clause)
- {
- login_field = read_env("PGSQL_LOGIN_FIELD");
- if (!login_field) login_field = "id";
- crypt_field=read_env("PGSQL_CRYPT_PWFIELD");
- clear_field=read_env("PGSQL_CLEAR_PWFIELD");
- where_clause=read_env("PGSQL_WHERE_CLAUSE");
- sql_buf=malloc(strlen(crypt_field ? crypt_field:"")
- + strlen(clear_field ? clear_field:"")
- + strlen(defdomain ? defdomain:"")
- + strlen(login_field) + l + strlen(newpass_crypt)
- + strlen(user_table)
- + strlen(where_clause ? where_clause:"")
- + 200);
- }
- else
- {
- sql_buf=parse_chpass_clause(chpass_clause,
- user,
- defdomain,
- pass,
- newpass_crypt);
- }
-
- if (!sql_buf)
- {
- free(newpass_crypt);
- return (-1);
- }
-
- if (!chpass_clause) /* tom@minnesota.com */
- {
- sprintf(sql_buf, "UPDATE %s SET", user_table);
-
- comma="";
-
- if (clear_field && *clear_field)
- {
- char *q;
-
- strcat(strcat(strcat(sql_buf, " "), clear_field),
- "='");
-
- q=sql_buf+strlen(sql_buf);
- while (*pass)
- {
- if (*pass == '"' || *pass == '\\')
- *q++= '\\';
- *q++ = *pass++;
- }
- strcpy(q, "'");
- comma=", ";
- }
-
- if (crypt_field && *crypt_field)
- {
- strcat(strcat(strcat(strcat(strcat(strcat(sql_buf, comma),
- " "),
- crypt_field),
- "='"),
- newpass_crypt),
- "'");
- }
- free(newpass_crypt);
-
- strcat(strcat(strcat(sql_buf, " WHERE "),
- login_field),
- "='");
-
- append_username(sql_buf+strlen(sql_buf), user, defdomain);
-
- strcat(sql_buf, "'");
-
- if (where_clause && *where_clause)
- {
- strcat(sql_buf, " AND (");
- strcat(sql_buf, where_clause);
- strcat(sql_buf, ")");
- }
-
- } /* end of: if (!chpass_clause) */
-
- if (courier_authdebug_login_level >= 2)
- {
- DPRINTF("setpass SQL: %s", sql_buf);
- }
- pgresult=PQexec (pgconn, sql_buf);
- if (!pgresult || PQresultStatus(pgresult) != PGRES_COMMAND_OK)
- {
- DPRINTF("setpass SQL failed");
- rc= -1;
- auth_pgsql_cleanup();
- }
- PQclear(pgresult);
- free(sql_buf);
- return (rc);
-}
-
-void auth_pgsql_enumerate( void(*cb_func)(const char *name,
- uid_t uid,
- gid_t gid,
- const char *homedir,
- const char *maildir,
- const char *options,
- void *void_arg),
- void *void_arg)
-{
- const char *select_clause, *defdomain;
- char *querybuf, *p;
-
-static const char query[]=
- "SELECT %s, %s, %s, %s, %s, %s FROM %s WHERE 1=1";
-int i,n;
-
- if (do_connect()) return;
-
- initui();
-
- select_clause=read_env("PGSQL_ENUMERATE_CLAUSE");
- defdomain=read_env("DEFAULT_DOMAIN");
- if (!defdomain || !defdomain[0])
- defdomain="*"; /* otherwise parse_select_clause fails */
-
- if (!select_clause) /* tom@minnesota.com */
- {
- const char *user_table,
- *uid_field,
- *gid_field,
- *login_field,
- *home_field,
- *maildir_field,
- *options_field,
- *where_clause;
-
- user_table=read_env("PGSQL_USER_TABLE");
-
- if (!user_table)
- {
- err("authpgsql: PGSQL_USER_TABLE not set in "
- AUTHPGSQLRC ".");
- return;
- }
-
- uid_field = read_env("PGSQL_UID_FIELD");
- if (!uid_field) uid_field = "uid";
-
- gid_field = read_env("PGSQL_GID_FIELD");
- if (!gid_field) gid_field = "gid";
-
- login_field = read_env("PGSQL_LOGIN_FIELD");
- if (!login_field) login_field = "id";
-
- home_field = read_env("PGSQL_HOME_FIELD");
- if (!home_field) home_field = "home";
-
- maildir_field=read_env("PGSQL_MAILDIR_FIELD");
- if (!maildir_field) maildir_field="''";
-
- options_field=read_env("PGSQL_AUXOPTIONS_FIELD");
- if (!options_field) options_field="''";
-
- where_clause=read_env("PGSQL_WHERE_CLAUSE");
- if (!where_clause) where_clause = "";
-
- querybuf=malloc(sizeof(query) + 100
- + strlen(login_field)
- + strlen(uid_field) + strlen(gid_field)
- + strlen(home_field)
- + strlen(maildir_field)
- + strlen(options_field)
- + strlen(user_table)
- + strlen(where_clause));
-
- if (!querybuf)
- {
- perror("malloc");
- return;
- }
-
- sprintf(querybuf, query, login_field,
- uid_field, gid_field, home_field, maildir_field,
- options_field, user_table);
- p=querybuf+strlen(querybuf);
-
- if (strcmp(where_clause, "")) {
- strcat(p, " AND (");
- strcat(p, where_clause);
- strcat(p, ")");
- }
- }
- else
- {
- /* tom@minnesota.com */
- querybuf=parse_select_clause (select_clause, "*",
- defdomain, "enumerate");
- if (!querybuf)
- {
- DPRINTF("authpgsql: parse_select_clause failed");
- return;
- }
- }
- DPRINTF("authpgsql: enumerate query: %s", querybuf);
-
- if (PQsendQuery(pgconn, querybuf) == 0)
- {
- DPRINTF("PQsendQuery failed, reconnecting: %s",PQerrorMessage(pgconn));
-
- auth_pgsql_cleanup();
-
- if (do_connect())
- {
- free(querybuf);
- return;
- }
-
- if (PQsendQuery(pgconn, querybuf) == 0)
- {
- DPRINTF("PQsendQuery failed second time, giving up: %s",PQerrorMessage(pgconn));
- free(querybuf);
- auth_pgsql_cleanup();
- return;
- }
- }
- free(querybuf);
-
- while ((pgresult = PQgetResult(pgconn)) != NULL)
- {
- if (PQresultStatus(pgresult) != PGRES_TUPLES_OK)
- {
- DPRINTF("pgsql error during enumeration: %s",PQerrorMessage(pgconn));
- PQclear(pgresult);
- return;
- }
-
- for (n=PQntuples(pgresult), i=0; i<n; i++)
- {
- const char *username;
- uid_t uid;
- gid_t gid;
- const char *homedir;
- const char *maildir;
- const char *options;
-
- username=PQgetvalue(pgresult,i,0);
- uid=atol(PQgetvalue(pgresult,i,1));
- gid=atol(PQgetvalue(pgresult,i,2));
- homedir=PQgetvalue(pgresult,i,3);
- maildir=PQgetvalue(pgresult,i,4);
- options=PQgetvalue(pgresult,i,5);
-
- if (!username || !*username || !homedir || !*homedir)
- continue;
-
- if (maildir && !*maildir)
- maildir=NULL;
-
- (*cb_func)(username, uid, gid, homedir,
- maildir, options, void_arg);
-
- }
- PQclear(pgresult);
- }
- /* FIXME: is it possible that a NULL result from PQgetResult could
- indicate an error rather than EOF? The documentation is not clear */
- (*cb_func)(NULL, 0, 0, NULL, NULL, NULL, void_arg);
-}
HCoop / hcoop / debian / courier-authlib.git / blobdiff