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Commit 5ce6aad2 5ce6aad23c343e366b8c86df23c57ee6d3af45ac by Sergey Poznyakoff
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Use configurable queries instead of hardcoded ones.

1 parent 60819415
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Showing 2 changed files with 93 additions and 24 deletions
...@@ -17,6 +17,74 @@ ...@@ -17,6 +17,74 @@
17 17
18 extern void *xmalloc (size_t); 18 extern void *xmalloc (size_t);
19 19
20 static char *
21 sql_expand_query (const char *query, const char *username)
22 {
23 char *p, *q, *res;
24 int len;
25
26 if (!query)
27 return NULL;
28
29 /* Compute resulting query length */
30 for (len = 0, p = query; *p; )
31 {
32 if (*p == '%')
33 {
34 if (p[1] == 'u')
35 {
36 len += strlen (username);
37 p += 2;
38 }
39 else if (p[1] == '%')
40 {
41 len++;
42 p += 2;
43 }
44 else
45 {
46 len++;
47 p++;
48 }
49 }
50 else
51 {
52 len++;
53 p++;
54 }
55 }
56
57 res = malloc (len + 1);
58 if (!res)
59 return res;
60
61 for (p = query, q = res; *p; )
62 {
63 if (*p == '%')
64 {
65 switch (*++p)
66 {
67 case 'u':
68 strcpy (q, username);
69 q += strlen (q);
70 p++;
71 break;
72
73 case '%':
74 *q++ = *p++;
75 break;
76
77 default:
78 *q++ = *p++;
79 }
80 }
81 else
82 *q++ = *p++;
83 }
84 *q = 0;
85 return res;
86 }
87
20 struct passwd * 88 struct passwd *
21 getMpwnam (const char *username) 89 getMpwnam (const char *username)
22 { 90 {
...@@ -40,18 +108,15 @@ getMpwnam (const char *username) ...@@ -40,18 +108,15 @@ getMpwnam (const char *username)
40 if (!m) 108 if (!m)
41 return NULL; 109 return NULL;
42 110
43 if (!mysql_real_connect (m, MHOST, MUSER, MPASS, MDB, MPORT, 111 if (!mysql_real_connect (m, sql_host, sql_user, sql_passwd, sql_db, sql_port,
44 MSOCKET, MFLAGS)) 112 sql_socket, MFLAGS))
45 { 113 {
46 mu_error ("MySQL: connect failed: %s", mysql_error (m)); 114 mu_error ("MySQL: connect failed: %s", mysql_error (m));
47 mysql_close (m); 115 mysql_close (m);
48 return NULL; 116 return NULL;
49 } 117 }
50 118
51 asprintf (&QueryStr, 119 QueryStr = sql_expand_query (sql_getpwnam_query, username);
52 "select %s,%s,%s,%s,%s from %s where %s = '%s'",
53 Mpassword, Muid, Mgid, Mhomedir, Mshell, Mtable,
54 Musername, username);
55 120
56 if (!QueryStr) 121 if (!QueryStr)
57 { 122 {
...@@ -127,17 +192,21 @@ getMspnam (const char *username) ...@@ -127,17 +192,21 @@ getMspnam (const char *username)
127 if (!m) 192 if (!m)
128 return NULL; 193 return NULL;
129 194
130 if (!mysql_real_connect (m, MHOST, MUSER, MPASS, MDB, MPORT, 195 if (!mysql_real_connect (m, sql_host, sql_user, sql_passwd, sql_db, sql_port,
131 MSOCKET, MFLAGS)) 196 sql_socket, MFLAGS))
132 { 197 {
133 mu_error ("MySQL: connect failed: %s", mysql_error (m)); 198 mu_error ("MySQL: connect failed: %s", mysql_error (m));
134 mysql_close (m); 199 mysql_close (m);
135 return NULL; 200 return NULL;
136 } 201 }
137 202
138 asprintf (&QueryStr, 203 QueryStr = sql_expand_query (sql_getpass_query, username);
139 "select %s from %s where %s = '%s'", 204
140 Mpassword, Mtable, Musername, username); 205 if (!QueryStr)
206 {
207 mysql_close (m);
208 return NULL;
209 }
141 210
142 if (mysql_query (m, QueryStr) != 0) 211 if (mysql_query (m, QueryStr) != 0)
143 { 212 {
......
1 #include <config.h> 1 #include <config.h>
2 2
3 #ifdef HAVE_MYSQL 3 #ifdef HAVE_MYSQL
4 extern char *sql_getpwnam_query;
5 extern char *sql_getpass_query;
6 extern char *sql_host;
7 extern char *sql_user;
8 extern char *sql_passwd;
9 extern char *sql_db;
10 extern char *sql_socket;
11 extern int sql_port;
12
13 struct passwd *getMpwnam (const char *username);
14 struct spwd *getMspnam (const char *username);
4 15
5 #define MHOST NULL /* Hostname to connect to. NULL for UNIX 16 #define MHOST NULL /* Hostname to connect to. NULL for UNIX
6 socket connection */ 17 socket connection */
7 #define MPORT 0 /* Port number to connect to. 0 means default 18 #define MPORT 0 /* Port number to connect to. 0 means default
8 MySQL port (3300) */ 19 MySQL port (3300) */
9 #define MSOCKET NULL /* Socket name to use. Valid only if connecting 20 #define MSOCKET NULL /* Socket name to use. Valid only if
10 via UNIX sockets */ 21 connecting via UNIX sockets */
11 #define MFLAGS 0 /* Special user flags. It is safe to leave 22 #define MFLAGS 0 /* Special user flags. It is safe to leave
12 this untouched */ 23 this untouched */
13 #define MUSER "accounts" /* Username for mysql access */ 24 #define MUSER "accounts" /* Username for mysql access */
14 #define MPASS "yurpass" /* Password for mysql access */ 25 #define MPASS "yurpass" /* Password for mysql access */
15 #define MDB "accounts" /* Database Name */ 26 #define MDB "accounts" /* Database Name */
16 #define Mtable "users" /* Table Name */
17 #define Musername "username" /* username field */
18 #define Muid "uid" /* uid field */
19 #define Mgid "gid" /* gid field */
20 #define Mpassword "password" /* password field */
21 #define Mhomedir "homedir" /* homedir field */
22 #define Mshell "shell" /* shell field */
23 #define Mcomment "comment" /* comment field */
24
25 struct passwd *getMpwnam (const char *username);
26 struct spwd *getMspnam (const char *username);
27 27
28 28
29 #endif /* HAVE_MYSQL */ 29 #endif /* HAVE_MYSQL */
......